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alfresco-community-repo/source/java/org/alfresco/repo/jscript/ScriptNode.java

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/*
* Copyright (C) 2005-2007 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing"
*/
package org.alfresco.repo.jscript;
import java.io.InputStream;
import java.io.Serializable;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.StringTokenizer;
import org.alfresco.error.AlfrescoRuntimeException;
import org.alfresco.model.ApplicationModel;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.action.executer.TransformActionExecuter;
import org.alfresco.repo.content.transform.magick.ImageTransformationOptions;
import org.alfresco.repo.search.QueryParameterDefImpl;
import org.alfresco.repo.version.VersionModel;
import org.alfresco.service.ServiceRegistry;
import org.alfresco.service.cmr.dictionary.DataTypeDefinition;
import org.alfresco.service.cmr.dictionary.DictionaryService;
import org.alfresco.service.cmr.lock.LockStatus;
import org.alfresco.service.cmr.model.FileExistsException;
import org.alfresco.service.cmr.model.FileInfo;
import org.alfresco.service.cmr.model.FileNotFoundException;
import org.alfresco.service.cmr.repository.AssociationRef;
import org.alfresco.service.cmr.repository.ChildAssociationRef;
import org.alfresco.service.cmr.repository.ContentData;
import org.alfresco.service.cmr.repository.ContentReader;
import org.alfresco.service.cmr.repository.ContentService;
import org.alfresco.service.cmr.repository.ContentWriter;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.cmr.repository.StoreRef;
import org.alfresco.service.cmr.repository.TemplateImageResolver;
import org.alfresco.service.cmr.search.QueryParameterDefinition;
import org.alfresco.service.cmr.security.AccessPermission;
import org.alfresco.service.cmr.security.AccessStatus;
import org.alfresco.service.cmr.security.PermissionService;
import org.alfresco.service.cmr.version.Version;
import org.alfresco.service.cmr.version.VersionType;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;
import org.alfresco.service.namespace.RegexQNamePattern;
import org.alfresco.util.Content;
import org.alfresco.util.GUID;
import org.alfresco.util.ParameterCheck;
import org.alfresco.util.URLEncoder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.ScriptableObject;
import org.mozilla.javascript.UniqueTag;
import org.mozilla.javascript.Wrapper;
/**
* Node class implementation, specific for use by ScriptService as part of the object model.
* <p>
* The class exposes Node properties, children and assocs as dynamically populated maps and lists. The various collection classes are mirrored as JavaScript properties. So can be
* accessed using standard JavaScript property syntax, such as <code>node.children[0].properties.name</code>.
* <p>
* Various helper methods are provided to access common and useful node variables such as the content url and type information.
*
* @author Kevin Roast
*/
public class ScriptNode implements Serializable, Scopeable
{
private static final long serialVersionUID = -3378946227712939600L;
private static Log logger = LogFactory.getLog(ScriptNode.class);
private final static String NAMESPACE_BEGIN = "" + QName.NAMESPACE_BEGIN;
private final static String CONTENT_DEFAULT_URL = "/d/d/{0}/{1}/{2}/{3}";
private final static String CONTENT_DOWNLOAD_URL = "/d/a/{0}/{1}/{2}/{3}";
private final static String CONTENT_PROP_URL = "/d/d/{0}/{1}/{2}/{3}?property={4}";
private final static String CONTENT_DOWNLOAD_PROP_URL = "/d/a/{0}/{1}/{2}/{3}?property={4}";
private final static String FOLDER_BROWSE_URL = "/n/browse/{0}/{1}/{2}";
/** Root scope for this object */
protected Scriptable scope;
/** Node Value Converter */
protected NodeValueConverter converter = null;
/** Cached values */
protected NodeRef nodeRef;
private String name;
private QName type;
protected String id;
/** The aspects applied to this node */
protected Set<QName> aspects = null;
/** The target associations from this node */
private ScriptableQNameMap<String, Object> targetAssocs = null;
/** The source assoications to this node */
private ScriptableQNameMap<String, Object> sourceAssocs = null;
/** The child associations for this node */
private ScriptableQNameMap<String, Object> childAssocs = null;
/** The children of this node */
private Scriptable children = null;
/** The properties of this node */
private ScriptableQNameMap<String, Serializable> properties = null;
protected ServiceRegistry services = null;
private NodeService nodeService = null;
private Boolean isDocument = null;
private Boolean isContainer = null;
private Boolean isLinkToDocument = null;
private Boolean isLinkToContainer = null;
private String displayPath = null;
protected TemplateImageResolver imageResolver = null;
protected ScriptNode parent = null;
private ChildAssociationRef primaryParentAssoc = null;
// NOTE: see the reset() method when adding new cached members!
// ------------------------------------------------------------------------------
// Construction
/**
* Constructor
*
* @param nodeRef The NodeRef this Node wrapper represents
* @param services The ServiceRegistry the Node can use to access services
* @param resolver Image resolver to use to retrieve icons
*/
public ScriptNode(NodeRef nodeRef, ServiceRegistry services)
{
this(nodeRef, services, null);
}
/**
* Constructor
*
* @param nodeRef The NodeRef this Node wrapper represents
* @param services The ServiceRegistry the Node can use to access services
* @param resolver Image resolver to use to retrieve icons
* @param scope Root scope for this Node
*/
public ScriptNode(NodeRef nodeRef, ServiceRegistry services, Scriptable scope)
{
if (nodeRef == null)
{
throw new IllegalArgumentException("NodeRef must be supplied.");
}
if (services == null)
{
throw new IllegalArgumentException("The ServiceRegistry must be supplied.");
}
this.nodeRef = nodeRef;
this.id = nodeRef.getId();
this.services = services;
this.nodeService = services.getNodeService();
this.scope = scope;
}
@Override
public int hashCode()
{
final int PRIME = 31;
int result = 1;
result = PRIME * result + ((nodeRef == null) ? 0 : nodeRef.hashCode());
return result;
}
@Override
public boolean equals(Object obj)
{
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
if (!nodeRef.equals(((ScriptNode)obj).nodeRef)) return false;
return true;
}
/**
* Factory method
*/
public ScriptNode newInstance(NodeRef nodeRef, ServiceRegistry services, Scriptable scope)
{
return new ScriptNode(nodeRef, services, scope);
}
/**
* @see org.alfresco.repo.jscript.Scopeable#setScope(org.mozilla.javascript.Scriptable)
*/
public void setScope(Scriptable scope)
{
this.scope = scope;
}
// ------------------------------------------------------------------------------
// Node Wrapper API
/**
* @return The GUID for the node
*/
public String getId()
{
return this.id;
}
/**
* @return Returns the NodeRef this Node object represents
*/
public NodeRef getNodeRef()
{
return this.nodeRef;
}
/**
* @return Returns the QName type.
*/
public QName getQNameType()
{
if (this.type == null)
{
this.type = this.nodeService.getType(this.nodeRef);
}
return type;
}
/**
* @return Returns the type.
*/
public String getType()
{
return getQNameType().toString();
}
/**
* @return Helper to return the 'name' property for the node
*/
public String getName()
{
if (this.name == null)
{
// try and get the name from the properties first
this.name = (String) getProperties().get("cm:name");
// if we didn't find it as a property get the name from the association name
if (this.name == null)
{
ChildAssociationRef parentRef = this.nodeService.getPrimaryParent(this.nodeRef);
if (parentRef != null && parentRef.getQName() != null)
{
this.name = parentRef.getQName().getLocalName();
}
else
{
this.name = "";
}
}
}
return this.name;
}
/**
* Helper to set the 'name' property for the node.
*
* @param name Name to set
*/
public void setName(String name)
{
if (name != null)
{
QName typeQName = getQNameType();
if ((services.getDictionaryService().isSubClass(typeQName, ContentModel.TYPE_FOLDER) &&
!services.getDictionaryService().isSubClass(typeQName, ContentModel.TYPE_SYSTEM_FOLDER)) ||
services.getDictionaryService().isSubClass(typeQName, ContentModel.TYPE_CONTENT))
{
try
{
this.services.getFileFolderService().rename(this.nodeRef, name);
}
catch (FileExistsException e)
{
throw new AlfrescoRuntimeException("Failed to rename node " + nodeRef + " to " + name, e);
}
catch (FileNotFoundException e)
{
throw new AlfrescoRuntimeException("Failed to rename node " + nodeRef + " to " + name, e);
}
}
this.getProperties().put(ContentModel.PROP_NAME.toString(), name.toString());
}
}
/**
* @return The children of this Node as JavaScript array of Node object wrappers
*/
public Scriptable getChildren()
{
if (this.children == null)
{
List<ChildAssociationRef> childRefs = this.nodeService.getChildAssocs(this.nodeRef);
Object[] children = new Object[childRefs.size()];
for (int i = 0; i < childRefs.size(); i++)
{
// create our Node representation from the NodeRef
children[i] = newInstance(childRefs.get(i).getChildRef(), this.services, this.scope);
}
this.children = Context.getCurrentContext().newArray(this.scope, children);
}
return this.children;
}
/**
* @return Returns the Node at the specified 'cm:name' based Path walking the children of this Node.
* So a valid call might be:
* <code>mynode.childByNamePath("/QA/Testing/Docs");</code>
*/
public ScriptNode childByNamePath(String path)
{
// convert the name based path to a valid XPath query
StringBuilder xpath = new StringBuilder(path.length() << 1);
StringTokenizer t = new StringTokenizer(path, "/");
int count = 0;
QueryParameterDefinition[] params = new QueryParameterDefinition[t.countTokens()];
DataTypeDefinition ddText =
this.services.getDictionaryService().getDataType(DataTypeDefinition.TEXT);
NamespaceService ns = this.services.getNamespaceService();
while (t.hasMoreTokens())
{
if (xpath.length() != 0)
{
xpath.append('/');
}
String strCount = Integer.toString(count);
xpath.append("*[@cm:name=$cm:name")
.append(strCount)
.append(']');
params[count++] = new QueryParameterDefImpl(
QName.createQName(NamespaceService.CONTENT_MODEL_PREFIX, "name" + strCount, ns),
ddText,
true,
t.nextToken());
}
Object[] nodes = getChildrenByXPath(xpath.toString(), params, true);
return (nodes.length != 0) ? (ScriptNode)nodes[0] : null;
}
/**
* @return Returns a JavaScript array of Nodes at the specified XPath starting at this Node.
* So a valid call might be <code>mynode.childrenByXPath("*[@cm:name='Testing']/*");</code>
*/
public Scriptable childrenByXPath(String xpath)
{
return Context.getCurrentContext().newArray(this.scope, getChildrenByXPath(xpath, null, false));
}
/**
* Return the target associations from this Node. As a Map of assoc name to a JavaScript array of Nodes.
* The Map returned implements the Scriptable interface to allow access to the assoc arrays via JavaScript
* associative array access. This means associations of this node can be access thus:
* <code>node.assocs["translations"][0]</code>
*
* @return target associations as a Map of assoc name to a JavaScript array of Nodes.
*/
@SuppressWarnings("unchecked")
public Map<String, Object> getAssocs()
{
if (this.targetAssocs == null)
{
// this Map implements the Scriptable interface for native JS syntax property access
this.targetAssocs = new ScriptableQNameMap<String, Object>(this.services.getNamespaceService());
// get the list of target nodes for each association type
List<AssociationRef> refs = this.nodeService.getTargetAssocs(this.nodeRef, RegexQNamePattern.MATCH_ALL);
for (AssociationRef ref : refs)
{
String qname = ref.getTypeQName().toString();
List<ScriptNode> nodes = (List<ScriptNode>)this.targetAssocs.get(qname);
if (nodes == null)
{
// first access of the list for this qname
nodes = new ArrayList<ScriptNode>(4);
this.targetAssocs.put(ref.getTypeQName().toString(), nodes);
}
nodes.add(newInstance(ref.getTargetRef(), this.services, this.scope));
}
// convert each Node list into a JavaScript array object
for (String qname : this.targetAssocs.keySet())
{
List<ScriptNode> nodes = (List<ScriptNode>)this.targetAssocs.get(qname);
Object[] objs = nodes.toArray(new Object[nodes.size()]);
this.targetAssocs.put(qname, Context.getCurrentContext().newArray(this.scope, objs));
}
}
return this.targetAssocs;
}
public Map<String, Object> getAssociations()
{
return getAssocs();
}
/**
* Return the source associations to this Node. As a Map of assoc name to a JavaScript array of Nodes.
* The Map returned implements the Scriptable interface to allow access to the assoc arrays via JavaScript
* associative array access. This means source associations to this node can be access thus:
* <code>node.sourceAssocs["translations"][0]</code>
*
* @return source associations as a Map of assoc name to a JavaScript array of Nodes.
*/
@SuppressWarnings("unchecked")
public Map<String, Object> getSourceAssocs()
{
if (this.sourceAssocs == null)
{
// this Map implements the Scriptable interface for native JS syntax property access
this.sourceAssocs = new ScriptableQNameMap<String, Object>(this.services.getNamespaceService());
// get the list of source nodes for each association type
List<AssociationRef> refs = this.nodeService.getSourceAssocs(this.nodeRef, RegexQNamePattern.MATCH_ALL);
for (AssociationRef ref : refs)
{
String qname = ref.getTypeQName().toString();
List<ScriptNode> nodes = (List<ScriptNode>)this.sourceAssocs.get(qname);
if (nodes == null)
{
// first access of the list for this qname
nodes = new ArrayList<ScriptNode>(4);
this.sourceAssocs.put(ref.getTypeQName().toString(), nodes);
}
nodes.add(newInstance(ref.getSourceRef(), this.services, this.scope));
}
// convert each Node list into a JavaScript array object
for (String qname : this.sourceAssocs.keySet())
{
List<ScriptNode> nodes = (List<ScriptNode>)this.sourceAssocs.get(qname);
Object[] objs = nodes.toArray(new Object[nodes.size()]);
this.sourceAssocs.put(qname, Context.getCurrentContext().newArray(this.scope, objs));
}
}
return this.sourceAssocs;
}
public Map<String, Object> getSourceAssociations()
{
return getSourceAssocs();
}
/**
* Return the child associations from this Node. As a Map of assoc name to a JavaScript array of Nodes.
* The Map returned implements the Scriptable interface to allow access to the assoc arrays via JavaScript
* associative array access. This means associations of this node can be access thus:
* <code>node.childAssocs["contains"][0]</code>
*
* @return child associations as a Map of assoc name to a JavaScript array of Nodes.
*/
@SuppressWarnings("unchecked")
public Map<String, Object> getChildAssocs()
{
if (this.childAssocs == null)
{
// this Map implements the Scriptable interface for native JS syntax property access
this.childAssocs = new ScriptableQNameMap<String, Object>(this.services.getNamespaceService());
// get the list of child assoc nodes for each association type
List<ChildAssociationRef> refs = this.nodeService.getChildAssocs(nodeRef);
for (ChildAssociationRef ref : refs)
{
String qname = ref.getTypeQName().toString();
List<ScriptNode> nodes = (List<ScriptNode>)this.childAssocs.get(qname);
if (nodes == null)
{
// first access of the list for this qname
nodes = new ArrayList<ScriptNode>(4);
this.childAssocs.put(ref.getTypeQName().toString(), nodes);
}
nodes.add(newInstance(ref.getChildRef(), this.services, this.scope));
}
// convert each Node list into a JavaScript array object
for (String qname : this.childAssocs.keySet())
{
List<ScriptNode> nodes = (List<ScriptNode>)this.childAssocs.get(qname);
Object[] objs = nodes.toArray(new Object[nodes.size()]);
this.childAssocs.put(qname, Context.getCurrentContext().newArray(this.scope, objs));
}
}
return this.childAssocs;
}
public Map<String, Object> getChildAssociations()
{
return getChildAssocs();
}
/**
* Return all the properties known about this node. The Map returned implements the Scriptable interface to
* allow access to the properties via JavaScript associative array access. This means properties of a node can
* be access thus: <code>node.properties["name"]</code>
*
* @return Map of properties for this Node.
*/
@SuppressWarnings("unchecked")
public Map<String, Object> getProperties()
{
if (this.properties == null)
{
// this Map implements the Scriptable interface for native JS syntax property access
// this impl of the QNameMap is capable of creating ScriptContentData on demand for 'cm:content'
// properties that have not been initialised - see AR-1673.
this.properties = new ContentAwareScriptableQNameMap<String, Serializable>(this, this.services);
Map<QName, Serializable> props = this.nodeService.getProperties(this.nodeRef);
for (QName qname : props.keySet())
{
Serializable propValue = props.get(qname);
// perform the conversion to a script safe value and store
this.properties.put(qname.toString(), getValueConverter().convertValueForScript(qname, propValue));
}
}
return this.properties;
}
/**
* @return true if this Node is a container (i.e. a folder)
*/
public boolean getIsContainer()
{
if (isContainer == null)
{
DictionaryService dd = this.services.getDictionaryService();
isContainer = Boolean.valueOf((dd.isSubClass(getQNameType(), ContentModel.TYPE_FOLDER) == true &&
dd.isSubClass(getQNameType(), ContentModel.TYPE_SYSTEM_FOLDER) == false));
}
return isContainer.booleanValue();
}
/**
* @return true if this Node is a Document (i.e. with content)
*/
public boolean getIsDocument()
{
if (isDocument == null)
{
DictionaryService dd = this.services.getDictionaryService();
isDocument = Boolean.valueOf(dd.isSubClass(getQNameType(), ContentModel.TYPE_CONTENT));
}
return isDocument.booleanValue();
}
/**
* @return true if this Node is a Link to a Container (i.e. a folderlink)
*/
public boolean getIsLinkToContainer()
{
if (isLinkToContainer == null)
{
DictionaryService dd = this.services.getDictionaryService();
isLinkToContainer = Boolean.valueOf(dd.isSubClass(getQNameType(), ApplicationModel.TYPE_FOLDERLINK));
}
return isLinkToContainer.booleanValue();
}
/**
* @return true if this Node is a Link to a Document (i.e. a filelink)
*/
public boolean getIsLinkToDocument()
{
if (isLinkToDocument == null)
{
DictionaryService dd = this.services.getDictionaryService();
isLinkToDocument = Boolean.valueOf(dd.isSubClass(getQNameType(), ApplicationModel.TYPE_FILELINK));
}
return isLinkToDocument.booleanValue();
}
/**
* @return true if the Node is a Category
*/
public boolean getIsCategory()
{
// this valid is overriden by the CategoryNode sub-class
return false;
}
/**
* @return The list of aspects applied to this node
*/
public Set<QName> getAspectsSet()
{
if (this.aspects == null)
{
this.aspects = this.nodeService.getAspects(this.nodeRef);
}
return this.aspects;
}
/**
* @return The array of aspects applied to this node
*/
public Scriptable getAspects()
{
Set<QName> aspects = getAspectsSet();
String[] result = new String[aspects.size()];
int count = 0;
for (QName qname : aspects)
{
result[count++] = qname.toString();
}
return Context.getCurrentContext().newArray(this.scope, result);
}
/**
* @param aspect The aspect name to test for (full qualified or short-name form)
* @return true if the node has the aspect false otherwise
*/
public boolean hasAspect(String aspect)
{
return getAspectsSet().contains(createQName(aspect));
}
/**
* @return QName path to this node. This can be used for Lucene PATH: style queries
*/
public String getQnamePath()
{
return this.services.getNodeService().getPath(getNodeRef()).toPrefixString(this.services.getNamespaceService());
}
/**
* @return Display path to this node
*/
public String getDisplayPath()
{
if (displayPath == null)
{
displayPath = this.nodeService.getPath(this.nodeRef).toDisplayPath(
this.nodeService, this.services.getPermissionService());
}
return displayPath;
}
/**
* @return the small icon image for this node
*/
public String getIcon16()
{
return "/images/filetypes/_default.gif";
}
/**
* @return the large icon image for this node
*/
public String getIcon32()
{
return "/images/filetypes32/_default.gif";
}
/**
* @return true if the node is currently locked
*/
public boolean getIsLocked()
{
boolean locked = false;
if (getAspectsSet().contains(ContentModel.ASPECT_LOCKABLE))
{
LockStatus lockStatus = this.services.getLockService().getLockStatus(this.nodeRef);
if (lockStatus == LockStatus.LOCKED || lockStatus == LockStatus.LOCK_OWNER)
{
locked = true;
}
}
return locked;
}
/**
* @return the parent node
*/
public ScriptNode getParent()
{
if (parent == null)
{
NodeRef parentRef = getPrimaryParentAssoc().getParentRef();
// handle root node (no parent!)
if (parentRef != null)
{
parent = newInstance(parentRef, this.services, this.scope);
}
}
return parent;
}
/**
* @return the primary parent association so we can get at the association QName and the association type QName.
*/
public ChildAssociationRef getPrimaryParentAssoc()
{
if (primaryParentAssoc == null)
{
primaryParentAssoc = this.nodeService.getPrimaryParent(nodeRef);
}
return primaryParentAssoc;
}
// ------------------------------------------------------------------------------
// Content API
/**
* @return the content String for this node from the default content property (@see ContentModel.PROP_CONTENT)
*/
public String getContent()
{
String content = "";
ScriptContentData contentData = (ScriptContentData)getProperties().get(ContentModel.PROP_CONTENT);
if (contentData != null)
{
content = contentData.getContent();
}
return content;
}
/**
* Set the content for this node
*
* @param content Content string to set
*/
public void setContent(String content)
{
ScriptContentData contentData = (ScriptContentData)getProperties().get(ContentModel.PROP_CONTENT);
if (contentData != null)
{
contentData.setContent(content);
}
}
/**
* @return For a content document, this method returns the URL to the content stream for the default content
* property (@see ContentModel.PROP_CONTENT)
* <p>
* For a container node, this method return the URL to browse to the folder in the web-client
*/
public String getUrl()
{
if (getIsDocument() == true)
{
return MessageFormat.format(CONTENT_DEFAULT_URL, new Object[] { nodeRef.getStoreRef().getProtocol(),
nodeRef.getStoreRef().getIdentifier(), nodeRef.getId(),
URLEncoder.encode(getName())});
}
else
{
return MessageFormat.format(FOLDER_BROWSE_URL, new Object[] { nodeRef.getStoreRef().getProtocol(),
nodeRef.getStoreRef().getIdentifier(), nodeRef.getId() });
}
}
/**
* @return For a content document, this method returns the download URL to the content for
* the default content property (@see ContentModel.PROP_CONTENT)
* <p>
* For a container node, this method returns an empty string
*/
public String getDownloadUrl()
{
if (getIsDocument() == true)
{
return MessageFormat.format(CONTENT_DOWNLOAD_URL, new Object[] {
nodeRef.getStoreRef().getProtocol(),
nodeRef.getStoreRef().getIdentifier(),
nodeRef.getId(),
URLEncoder.encode(getName()) });
}
else
{
return "";
}
}
public String jsGet_downloadUrl()
{
return getDownloadUrl();
}
/**
* @return The WebDav cm:name based path to the content for the default content property
* (@see ContentModel.PROP_CONTENT)
*/
public String getWebdavUrl()
{
try
{
List<FileInfo> paths = this.services.getFileFolderService().getNamePath(null, getNodeRef());
// build up the webdav url
StringBuilder path = new StringBuilder(128);
path.append("/webdav");
// build up the path skipping the first path as it is the root folder
for (int i=1; i<paths.size(); i++)
{
path.append("/")
.append(URLEncoder.encode(paths.get(i).getName()));
}
return path.toString();
}
catch (FileNotFoundException nodeErr)
{
// cannot build path if file no longer exists
return "";
}
}
/**
* @return The mimetype encoding for content attached to the node from the default content property
* (@see ContentModel.PROP_CONTENT)
*/
public String getMimetype()
{
String mimetype = null;
ScriptContentData content = (ScriptContentData) this.getProperties().get(ContentModel.PROP_CONTENT);
if (content != null)
{
mimetype = content.getMimetype();
}
return mimetype;
}
/**
* Set the mimetype encoding for the content attached to the node from the default content property
* (@see ContentModel.PROP_CONTENT)
*
* @param mimetype Mimetype to set
*/
public void setMimetype(String mimetype)
{
ScriptContentData content = (ScriptContentData) this.getProperties().get(ContentModel.PROP_CONTENT);
if (content != null)
{
content.setMimetype(mimetype);
}
}
/**
* @return The size in bytes of the content attached to the node from the default content property
* (@see ContentModel.PROP_CONTENT)
*/
public long getSize()
{
long size = 0;
ScriptContentData content = (ScriptContentData) this.getProperties().get(ContentModel.PROP_CONTENT);
if (content != null)
{
size = content.getSize();
}
return size;
}
// ------------------------------------------------------------------------------
// Security API
/**
* Return true if the user has the specified permission on the node.
* <p>
* The default permissions are found in <code>org.alfresco.service.cmr.security.PermissionService</code>.
* Most commonly used are "Write", "Delete" and "AddChildren".
*
* @param permission as found in <code>org.alfresco.service.cmr.security.PermissionService</code>
* @return true if the user has the specified permission on the node.
*/
public boolean hasPermission(String permission)
{
ParameterCheck.mandatory("Permission Name", permission);
boolean allowed = false;
if (permission != null && permission.length() != 0)
{
AccessStatus status = this.services.getPermissionService().hasPermission(this.nodeRef, permission);
allowed = (AccessStatus.ALLOWED == status);
}
return allowed;
}
/**
* @return Array of permissions applied to this Node.
* Strings returned are of the format [ALLOWED|DENIED];[USERNAME|GROUPNAME];PERMISSION for example
* ALLOWED;kevinr;Consumer so can be easily tokenized on the ';' character.
*/
public Scriptable getPermissions()
{
String userName = this.services.getAuthenticationService().getCurrentUserName();
Set<AccessPermission> acls = this.services.getPermissionService().getAllSetPermissions(getNodeRef());
Object[] permissions = new Object[acls.size()];
int count = 0;
for (AccessPermission permission : acls)
{
StringBuilder buf = new StringBuilder(64);
buf.append(permission.getAccessStatus())
.append(';')
.append(permission.getAuthority())
.append(';')
.append(permission.getPermission());
permissions[count++] = buf.toString();
}
return Context.getCurrentContext().newArray(this.scope, permissions);
}
/**
* @return true if the node inherits permissions from the parent node, false otherwise
*/
public boolean inheritsPermissions()
{
return this.services.getPermissionService().getInheritParentPermissions(this.nodeRef);
}
/**
* Set whether this node should inherit permissions from the parent node.
*
* @param inherit True to inherit parent permissions, false otherwise.
*/
public void setInheritsPermissions(boolean inherit)
{
this.services.getPermissionService().setInheritParentPermissions(this.nodeRef, inherit);
}
/**
* Apply a permission for ALL users to the node.
*
* @param permission Permission to apply
* @see org.alfresco.service.cmr.security.PermissionService
*/
public void setPermission(String permission)
{
ParameterCheck.mandatoryString("Permission Name", permission);
this.services.getPermissionService().setPermission(
this.nodeRef, PermissionService.ALL_AUTHORITIES, permission, true);
}
/**
* Apply a permission for the specified authority (e.g. username or group) to the node.
*
* @param permission Permission to apply @see org.alfresco.service.cmr.security.PermissionService
* @param authority Authority (generally a username or group name) to apply the permission for
*/
public void setPermission(String permission, String authority)
{
ParameterCheck.mandatoryString("Permission Name", permission);
ParameterCheck.mandatoryString("Authority", authority);
this.services.getPermissionService().setPermission(
this.nodeRef, authority, permission, true);
}
/**
* Remove a permission for ALL user from the node.
*
* @param permission Permission to remove @see org.alfresco.service.cmr.security.PermissionService
*/
public void removePermission(String permission)
{
ParameterCheck.mandatoryString("Permission Name", permission);
this.services.getPermissionService().deletePermission(
this.nodeRef, PermissionService.ALL_AUTHORITIES, permission);
}
/**
* Remove a permission for the specified authority (e.g. username or group) from the node.
*
* @param permission Permission to remove @see org.alfresco.service.cmr.security.PermissionService
* @param authority Authority (generally a username or group name) to apply the permission for
*/
public void removePermission(String permission, String authority)
{
ParameterCheck.mandatoryString("Permission Name", permission);
ParameterCheck.mandatoryString("Authority", authority);
this.services.getPermissionService().deletePermission(
this.nodeRef, authority, permission);
}
// ------------------------------------------------------------------------------
// Ownership API
/**
* Set the owner of the node
*/
public void setOwner(String userId)
{
this.services.getOwnableService().setOwner(this.nodeRef, userId);
}
/**
* Take ownership of the node.
*/
public void takeOwnership()
{
this.services.getOwnableService().takeOwnership(this.nodeRef);
}
/**
* Get the owner of the node.
*
* @return
*/
public String getOwner()
{
return this.services.getOwnableService().getOwner(this.nodeRef);
}
// ------------------------------------------------------------------------------
// Create and Modify API
/**
* Persist the modified properties of this Node.
*/
public void save()
{
// persist properties back to the node in the DB
Map<QName, Serializable> props = new HashMap<QName, Serializable>(getProperties().size());
for (String key : this.properties.keySet())
{
Serializable value = (Serializable) this.properties.get(key);
// perform the conversion from script wrapper object to repo serializable values
value = getValueConverter().convertValueForRepo(value);
props.put(createQName(key), value);
}
this.nodeService.setProperties(this.nodeRef, props);
}
/**
* Re-sets the type of the node. Can be called in order specialise a node to a sub-type. This should be used
* with caution since calling it changes the type of the node and thus* implies a different set of aspects,
* properties and associations. It is the responsibility of the caller to ensure that the node is in a
* approriate state after changing the type.
*
* @param type Type to specialize the node
*
* @return true if successful, false otherwise
*/
public boolean specializeType(String type)
{
ParameterCheck.mandatoryString("Type", type);
QName qnameType = createQName(type);
// Ensure that we are performing a specialise
if (getQNameType().equals(qnameType) == false &&
this.services.getDictionaryService().isSubClass(qnameType, getQNameType()) == true)
{
// Specialise the type of the node
this.nodeService.setType(this.nodeRef, qnameType);
this.type = qnameType;
return true;
}
return false;
}
/**
* Create a new File (cm:content) node as a child of this node.
* <p>
* Once created the file should have content set using the <code>content</code> property.
*
* @param name Name of the file to create
*
* @return Newly created Node or null if failed to create.
*/
public ScriptNode createFile(String name)
{
ParameterCheck.mandatoryString("Node Name", name);
FileInfo fileInfo = this.services.getFileFolderService().create(
this.nodeRef, name, ContentModel.TYPE_CONTENT);
reset();
ScriptNode file = newInstance(fileInfo.getNodeRef(), this.services, this.scope);
file.setMimetype(this.services.getMimetypeService().guessMimetype(name));
return file;
}
/**
* Create a new folder (cm:folder) node as a child of this node.
*
* @param name Name of the folder to create
*
* @return Newly created Node or null if failed to create.
*/
public ScriptNode createFolder(String name)
{
ParameterCheck.mandatoryString("Node Name", name);
FileInfo fileInfo = this.services.getFileFolderService().create(
this.nodeRef, name, ContentModel.TYPE_FOLDER);
reset();
return newInstance(fileInfo.getNodeRef(), this.services, this.scope);
}
/**
* Create a new Node of the specified type as a child of this node.
*
* @param name Name of the node to create (can be null for a node without a 'cm:name' property)
* @param type QName type (fully qualified or short form such as 'cm:content')
*
* @return Newly created Node or null if failed to create.
*/
public ScriptNode createNode(String name, String type)
{
return createNode(name, type, null, ContentModel.ASSOC_CONTAINS.toString());
}
/**
* Create a new Node of the specified type as a child of this node.
*
* @param name Name of the node to create (can be null for a node without a 'cm:name' property)
* @param type QName type (fully qualified or short form such as 'cm:content')
* @param assocName QName of the child association (fully qualified or short form e.g. 'cm:contains')
*
* @return Newly created Node or null if failed to create.
*/
public ScriptNode createNode(String name, String type, String assocName)
{
return createNode(name, type, null, assocName);
}
/**
* Create a new Node of the specified type as a child of this node.
*
* @param name Name of the node to create (can be null for a node without a 'cm:name' property)
* @param type QName type (fully qualified or short form such as 'cm:content')
* @param properties Associative array of the default properties for the node.
*
* @return Newly created Node or null if failed to create.
*/
public ScriptNode createNode(String name, String type, Object properties)
{
return createNode(name, type, properties, ContentModel.ASSOC_CONTAINS.toString());
}
/**
* Create a new Node of the specified type as a child of this node.
*
* @param name Name of the node to create (can be null for a node without a 'cm:name' property)
* @param type QName type (fully qualified or short form such as 'cm:content')
* @param properties Associative array of the default properties for the node.
* @param assocName QName of the child association (fully qualified or short form e.g. 'cm:contains')
*
* @return Newly created Node or null if failed to create.
*/
public ScriptNode createNode(String name, String type, Object properties, String assocName)
{
ParameterCheck.mandatoryString("Node Type", type);
ParameterCheck.mandatoryString("Association Name", assocName);
Map<QName, Serializable> props = null;
if (properties instanceof ScriptableObject)
{
props = new HashMap<QName, Serializable>(4, 1.0f);
extractScriptableProperties((ScriptableObject)properties, props);
}
if (name != null)
{
if (props == null) props = new HashMap<QName, Serializable>(1, 1.0f);
props.put(ContentModel.PROP_NAME, name);
}
else
{
// set name for the assoc local name
name = GUID.generate();
}
ChildAssociationRef childAssocRef = this.nodeService.createNode(
this.nodeRef, createQName(assocName),
QName.createQName(NamespaceService.CONTENT_MODEL_1_0_URI, QName.createValidLocalName(name)),
createQName(type), props);
reset();
return newInstance(childAssocRef.getChildRef(), this.services, this.scope);
}
/**
* Add an existing node as a child of this node.
*
* @param node node to add as a child of this node
*/
public void addNode(ScriptNode node)
{
ParameterCheck.mandatory("node", node);
nodeService.addChild(this.nodeRef, node.nodeRef, ContentModel.ASSOC_CONTAINS, ContentModel.ASSOC_CONTAINS);
reset();
}
/**
* Remove an existing child node of this node.
*
* Severs all parent-child relationships between two nodes.
* <p>
* The child node will be cascade deleted if one of the associations was the
* primary association, i.e. the one with which the child node was created.
*
* @param node child node to remove
*/
public void removeNode(ScriptNode node)
{
ParameterCheck.mandatory("node", node);
nodeService.removeChild(this.nodeRef, node.nodeRef);
reset();
}
/**
* Create an association between this node and the specified target node.
*
* @param target Destination node for the association
* @param assocType Association type qname (short form or fully qualified)
*/
public void createAssociation(ScriptNode target, String assocType)
{
ParameterCheck.mandatory("Target", target);
ParameterCheck.mandatoryString("Association Type Name", assocType);
this.nodeService.createAssociation(this.nodeRef, target.nodeRef, createQName(assocType));
reset();
}
/**
* Remove an association between this node and the specified target node.
*
* @param target Destination node on the end of the association
* @param assocType Association type qname (short form or fully qualified)
*/
public void removeAssociation(ScriptNode target, String assocType)
{
ParameterCheck.mandatory("Target", target);
ParameterCheck.mandatoryString("Association Type Name", assocType);
this.nodeService.removeAssociation(this.nodeRef, target.nodeRef, createQName(assocType));
reset();
}
/**
* Remove this node. Any references to this Node or its NodeRef should be discarded!
*/
public boolean remove()
{
boolean success = false;
if (nodeService.exists(this.nodeRef))
{
this.nodeService.deleteNode(this.nodeRef);
success = true;
}
reset();
return success;
}
/**
* Copy this Node to a new parent destination. Note that children of the source Node are not copied.
*
* @param destination Node
*
* @return The newly copied Node instance or null if failed to copy.
*/
public ScriptNode copy(ScriptNode destination)
{
return copy(destination, false);
}
/**
* Copy this Node and potentially all child nodes to a new parent destination.
*
* @param destination Node
* @param deepCopy True for a deep copy, false otherwise.
*
* @return The newly copied Node instance or null if failed to copy.
*/
public ScriptNode copy(ScriptNode destination, boolean deepCopy)
{
ParameterCheck.mandatory("Destination Node", destination);
ScriptNode copy = null;
if (destination.getNodeRef().getStoreRef().getProtocol().equals(StoreRef.PROTOCOL_WORKSPACE))
{
NodeRef copyRef = this.services.getCopyService().copyAndRename(this.nodeRef, destination.getNodeRef(),
ContentModel.ASSOC_CONTAINS, getPrimaryParentAssoc().getQName(), deepCopy);
copy = newInstance(copyRef, this.services, this.scope);
}
else
{
// NOTE: the deepCopy flag is not respected for this copy mechanism
copy = getCrossRepositoryCopyHelper().copy(this, destination, getName());
}
return copy;
}
/**
* Move this Node to a new parent destination.
*
* @param destination Node
*
* @return true on successful move, false on failure to move.
*/
public boolean move(ScriptNode destination)
{
ParameterCheck.mandatory("Destination Node", destination);
this.primaryParentAssoc = this.nodeService.moveNode(this.nodeRef, destination.getNodeRef(),
ContentModel.ASSOC_CONTAINS, getPrimaryParentAssoc().getQName());
// reset cached values
reset();
return true;
}
/**
* Add an aspect to the Node. As no properties are provided in this call, it can only be used to add aspects that do not require any mandatory properties.
*
* @param type Type name of the aspect to add
*
* @return true if the aspect was added successfully, false if an error occured.
*/
public boolean addAspect(String type)
{
return addAspect(type, null);
}
/**
* Add an aspect to the Node.
*
* @param type Type name of the aspect to add
* @param props ScriptableObject (generally an assocative array) providing the named properties for the aspect
* - any mandatory properties for the aspect must be provided!
*
* @return true if the aspect was added successfully, false if an error occured.
*/
public boolean addAspect(String type, Object props)
{
ParameterCheck.mandatoryString("Aspect Type", type);
Map<QName, Serializable> aspectProps = null;
if (props instanceof ScriptableObject)
{
aspectProps = new HashMap<QName, Serializable>(4, 1.0f);
extractScriptableProperties((ScriptableObject)props, aspectProps);
}
QName aspectQName = createQName(type);
this.nodeService.addAspect(this.nodeRef, aspectQName, aspectProps);
// reset the relevant cached node members
reset();
return true;
}
/**
* Extract a map of properties from a scriptable object (generally an associative array)
*
* @param scriptable The scriptable object to extract name/value pairs from.
* @param map The map to add the converted name/value pairs to.
*/
private void extractScriptableProperties(ScriptableObject scriptable, Map<QName, Serializable> map)
{
// we need to get all the keys to the properties provided
// and convert them to a Map of QName to Serializable objects
Object[] propIds = scriptable.getIds();
for (int i = 0; i < propIds.length; i++)
{
// work on each key in turn
Object propId = propIds[i];
// we are only interested in keys that are formed of Strings i.e. QName.toString()
if (propId instanceof String)
{
// get the value out for the specified key - it must be Serializable
String key = (String)propId;
Object value = scriptable.get(key, scriptable);
if (value instanceof Serializable)
{
value = getValueConverter().convertValueForRepo((Serializable)value);
map.put(createQName(key), (Serializable)value);
}
}
}
}
/**
* Remove aspect from the node.
*
* @param type the aspect type
*
* @return true if successful, false otherwise
*/
public boolean removeAspect(String type)
{
ParameterCheck.mandatoryString("Aspect Type", type);
QName aspectQName = createQName(type);
this.nodeService.removeAspect(this.nodeRef, aspectQName);
// reset the relevant cached node members
reset();
return true;
}
// ------------------------------------------------------------------------------
// Checkout/Checkin Services
/**
* Perform a check-out of this document into the current parent space.
*
* @return the working copy Node for the checked out document
*/
public ScriptNode checkout()
{
NodeRef workingCopyRef = this.services.getCheckOutCheckInService().checkout(this.nodeRef);
ScriptNode workingCopy = newInstance(workingCopyRef, this.services, this.scope);
// reset the aspect and properties as checking out a document causes changes
this.properties = null;
this.aspects = null;
return workingCopy;
}
/**
* Perform a check-out of this document into the specified destination space.
*
* @param destination
* Destination for the checked out document working copy Node.
* @return the working copy Node for the checked out document
*/
public ScriptNode checkout(ScriptNode destination)
{
ParameterCheck.mandatory("Destination Node", destination);
ChildAssociationRef childAssocRef = this.nodeService.getPrimaryParent(destination.getNodeRef());
NodeRef workingCopyRef = this.services.getCheckOutCheckInService().checkout(this.nodeRef,
destination.getNodeRef(), ContentModel.ASSOC_CONTAINS, childAssocRef.getQName());
ScriptNode workingCopy = newInstance(workingCopyRef, this.services, this.scope);
// reset the aspect and properties as checking out a document causes changes
this.properties = null;
this.aspects = null;
return workingCopy;
}
/**
* Check-in a working copy document. The current state of the working copy is copied to the original node,
* this will include any content updated in the working node. Note that this method can only be called on a
* working copy Node.
*
* @return the original Node that was checked out.
*/
public ScriptNode checkin()
{
return checkin("", false);
}
/**
* Check-in a working copy document. The current state of the working copy is copied to the original node,
* this will include any content updated in the working node. Note that this method can only be called on a
* working copy Node.
*
* @param history Version history note
*
* @return the original Node that was checked out.
*/
public ScriptNode checkin(String history)
{
return checkin(history, false);
}
/**
* Check-in a working copy document. The current state of the working copy is copied to the original node,
* this will include any content updated in the working node. Note that this method can only be called on a
* working copy Node.
*
* @param history Version history note
* @param majorVersion True to save as a major version increment, false for minor version.
*
* @return the original Node that was checked out.
*/
public ScriptNode checkin(String history, boolean majorVersion)
{
Map<String, Serializable> props = new HashMap<String, Serializable>(2, 1.0f);
props.put(Version.PROP_DESCRIPTION, history);
props.put(VersionModel.PROP_VERSION_TYPE, majorVersion ? VersionType.MAJOR : VersionType.MINOR);
NodeRef original = this.services.getCheckOutCheckInService().checkin(this.nodeRef, props);
return newInstance(original, this.services, this.scope);
}
/**
* Cancel the check-out of a working copy document. The working copy will be deleted and any changes made to it
* are lost. Note that this method can only be called on a working copy Node. The reference to this working copy
* Node should be discarded.
*
* @return the original Node that was checked out.
*/
public ScriptNode cancelCheckout()
{
NodeRef original = this.services.getCheckOutCheckInService().cancelCheckout(this.nodeRef);
return newInstance(original, this.services, this.scope);
}
// ------------------------------------------------------------------------------
// Transformation and Rendering API
/**
* Transform a document to a new document mimetype format. A copy of the document is made and the extension
* changed to match the new mimetype, then the transformation isapplied.
*
* @param mimetype Mimetype destination for the transformation
*
* @return Node representing the newly transformed document.
*/
public ScriptNode transformDocument(String mimetype)
{
return transformDocument(mimetype, getPrimaryParentAssoc().getParentRef());
}
/**
* Transform a document to a new document mimetype format. A copy of the document is made in the specified
* destination folder and the extension changed to match the new mimetype, then then transformation is applied.
*
* @param mimetype Mimetype destination for the transformation
* @param destination Destination folder location
*
* @return Node representing the newly transformed document.
*/
public ScriptNode transformDocument(String mimetype, ScriptNode destination)
{
return transformDocument(mimetype, destination.getNodeRef());
}
private ScriptNode transformDocument(String mimetype, NodeRef destination)
{
ParameterCheck.mandatoryString("Mimetype", mimetype);
ParameterCheck.mandatory("Destination Node", destination);
// the delegate definition for transforming a document
Transformer transformer = new Transformer()
{
public ScriptNode transform(ContentService contentService, NodeRef nodeRef, ContentReader reader,
ContentWriter writer)
{
ScriptNode transformedNode = null;
if (contentService.isTransformable(reader, writer))
{
contentService.transform(reader, writer);
transformedNode = newInstance(nodeRef, services, scope);
}
return transformedNode;
}
};
return transformNode(transformer, mimetype, destination);
}
/**
* Generic method to transform Node content from one mimetype to another.
*
* @param transformer The Transformer delegate supplying the transformation logic
* @param mimetype Mimetype of the destination content
* @param destination Destination folder location for the resulting document
*
* @return Node representing the transformed content - or null if the transform failed
*/
private ScriptNode transformNode(Transformer transformer, String mimetype, NodeRef destination)
{
ScriptNode transformedNode = null;
// get the content reader
ContentService contentService = this.services.getContentService();
ContentReader reader = contentService.getReader(this.nodeRef, ContentModel.PROP_CONTENT);
// only perform the transformation if some content is available
if (reader != null)
{
// Copy the content node to a new node
String copyName = TransformActionExecuter.transformName(this.services.getMimetypeService(), getName(),
mimetype, true);
NodeRef copyNodeRef = this.services.getCopyService().copy(this.nodeRef, destination,
ContentModel.ASSOC_CONTAINS,
QName.createQName(ContentModel.PROP_CONTENT.getNamespaceURI(), QName.createValidLocalName(copyName)),
false);
// modify the name of the copy to reflect the new mimetype
this.nodeService.setProperty(copyNodeRef, ContentModel.PROP_NAME, copyName);
// get the writer and set it up
ContentWriter writer = contentService.getWriter(copyNodeRef, ContentModel.PROP_CONTENT, true);
writer.setMimetype(mimetype); // new mimetype
writer.setEncoding(reader.getEncoding()); // original encoding
// Try and transform the content using the supplied delegate
transformedNode = transformer.transform(contentService, copyNodeRef, reader, writer);
}
return transformedNode;
}
/**
* Transform an image to a new image format. A copy of the image document is made and the extension changed to
* match the new mimetype, then the transformation is applied.
*
* @param mimetype Mimetype destination for the transformation
*
* @return Node representing the newly transformed image.
*/
public ScriptNode transformImage(String mimetype)
{
return transformImage(mimetype, null, getPrimaryParentAssoc().getParentRef());
}
/**
* Transform an image to a new image format. A copy of the image document is made and the extension changed to
* match the new mimetype, then the transformation is applied.
*
* @param mimetype Mimetype destination for the transformation
* @param options Image convert command options
*
* @return Node representing the newly transformed image.
*/
public ScriptNode transformImage(String mimetype, String options)
{
return transformImage(mimetype, options, getPrimaryParentAssoc().getParentRef());
}
/**
* Transform an image to a new image mimetype format. A copy of the image document is made in the specified
* destination folder and the extension changed to match the newmimetype, then then transformation is applied.
*
* @param mimetype Mimetype destination for the transformation
* @param destination Destination folder location
*
* @return Node representing the newly transformed image.
*/
public ScriptNode transformImage(String mimetype, ScriptNode destination)
{
ParameterCheck.mandatory("Destination Node", destination);
return transformImage(mimetype, null, destination.getNodeRef());
}
/**
* Transform an image to a new image mimetype format. A copy of the image document is made in the specified
* destination folder and the extension changed to match the new
* mimetype, then then transformation is applied.
*
* @param mimetype Mimetype destination for the transformation
* @param options Image convert command options
* @param destination Destination folder location
*
* @return Node representing the newly transformed image.
*/
public ScriptNode transformImage(String mimetype, String options, ScriptNode destination)
{
ParameterCheck.mandatory("Destination Node", destination);
return transformImage(mimetype, options, destination.getNodeRef());
}
private ScriptNode transformImage(String mimetype, final String options, NodeRef destination)
{
ParameterCheck.mandatoryString("Mimetype", mimetype);
// the delegate definition for transforming an image
Transformer transformer = new Transformer()
{
public ScriptNode transform(ContentService contentService, NodeRef nodeRef, ContentReader reader,
ContentWriter writer)
{
ImageTransformationOptions imageOptions = new ImageTransformationOptions();
if (options != null)
{
imageOptions.setCommandOptions(options);
}
contentService.getImageTransformer().transform(reader, writer, imageOptions);
return newInstance(nodeRef, services, scope);
}
};
return transformNode(transformer, mimetype, destination);
}
/**
* Process a FreeMarker Template against the current node.
*
* @param template Node of the template to execute
*
* @return output of the template execution
*/
public String processTemplate(ScriptNode template)
{
ParameterCheck.mandatory("Template Node", template);
return processTemplate(template.getContent(), null, null);
}
/**
* Process a FreeMarker Template against the current node.
*
* @param template Node of the template to execute
* @param args Scriptable object (generally an associative array) containing the name/value pairs of
* arguments to be passed to the template
*
* @return output of the template execution
*/
public String processTemplate(ScriptNode template, Object args)
{
ParameterCheck.mandatory("Template Node", template);
return processTemplate(template.getContent(), null, (ScriptableObject)args);
}
/**
* Process a FreeMarker Template against the current node.
*
* @param template The template to execute
*
* @return output of the template execution
*/
public String processTemplate(String template)
{
ParameterCheck.mandatoryString("Template", template);
return processTemplate(template, null, null);
}
/**
* Process a FreeMarker Template against the current node.
*
* @param template The template to execute
* @param args Scriptable object (generally an associative array) containing the name/value pairs of
* arguments to be passed to the template
*
* @return output of the template execution
*/
public String processTemplate(String template, Object args)
{
ParameterCheck.mandatoryString("Template", template);
return processTemplate(template, null, (ScriptableObject)args);
}
private String processTemplate(String template, NodeRef templateRef, ScriptableObject args)
{
Object person = (Object)scope.get("person", scope);
Object companyhome = (Object)scope.get("companyhome", scope);
Object userhome = (Object)scope.get("userhome", scope);
// build default model for the template processing
Map<String, Object> model = this.services.getTemplateService().buildDefaultModel(
(person.equals(UniqueTag.NOT_FOUND)) ? null : ((ScriptNode)((Wrapper)person).unwrap()).getNodeRef(),
(companyhome.equals(UniqueTag.NOT_FOUND)) ? null : ((ScriptNode)((Wrapper)companyhome).unwrap()).getNodeRef(),
(userhome.equals(UniqueTag.NOT_FOUND)) ? null : ((ScriptNode)((Wrapper)userhome).unwrap()).getNodeRef(),
templateRef,
null);
// add the current node as either the document/space as appropriate
if (this.getIsDocument())
{
model.put("document", this.nodeRef);
model.put("space", getPrimaryParentAssoc().getParentRef());
}
else
{
model.put("space", this.nodeRef);
}
// add the supplied args to the 'args' root object
if (args != null)
{
// we need to get all the keys to the properties provided
// and convert them to a Map of QName to Serializable objects
Object[] propIds = args.getIds();
Map<String, String> templateArgs = new HashMap<String, String>(propIds.length);
for (int i = 0; i < propIds.length; i++)
{
// work on each key in turn
Object propId = propIds[i];
// we are only interested in keys that are formed of Strings i.e. QName.toString()
if (propId instanceof String)
{
// get the value out for the specified key - make sure it is Serializable
Object value = args.get((String) propId, args);
value = getValueConverter().convertValueForRepo((Serializable)value);
if (value != null)
{
templateArgs.put((String) propId, value.toString());
}
}
}
// add the args to the model as the 'args' root object
model.put("args", templateArgs);
}
// execute template!
// TODO: check that script modified nodes are reflected...
return this.services.getTemplateService().processTemplateString(null, template, model);
}
// ------------------------------------------------------------------------------
// Helper methods
/**
* Override Object.toString() to provide useful debug output
*/
public String toString()
{
if (this.nodeService.exists(nodeRef))
{
if (this.services.getPermissionService().hasPermission(nodeRef, PermissionService.READ_PROPERTIES) == AccessStatus.ALLOWED)
{
// TODO: DC: Allow debug output of property values - for now it's disabled as this could potentially
// follow a large network of nodes. Unfortunately, JBPM issues unprotected debug statements
// where node.toString is used - will request this is fixed in next release of JBPM.
return "Node Type: " + getType() + ", Node Aspects: " + getAspectsSet().toString();
}
else
{
return "Access denied to node " + nodeRef;
}
}
else
{
return "Node no longer exists: " + nodeRef;
}
}
/**
* Helper to create a QName from either a fully qualified or short-name QName string
*
* @param s Fully qualified or short-name QName string
*
* @return QName
*/
private QName createQName(String s)
{
QName qname;
if (s.indexOf(NAMESPACE_BEGIN) != -1)
{
qname = QName.createQName(s);
}
else
{
qname = QName.createQName(s, this.services.getNamespaceService());
}
return qname;
}
/**
* Reset the Node cached state
*/
public void reset()
{
this.name = null;
this.type = null;
this.properties = null;
this.aspects = null;
this.targetAssocs = null;
this.sourceAssocs = null;
this.childAssocs = null;
this.children = null;
this.displayPath = null;
this.isDocument = null;
this.isContainer = null;
this.parent = null;
this.primaryParentAssoc = null;
}
/**
* @return helper object to perform cross repository copy of JavaScript Node objects
*/
protected CrossRepositoryCopy getCrossRepositoryCopyHelper()
{
return (CrossRepositoryCopy)this.services.getService(
QName.createQName("", CrossRepositoryCopy.BEAN_NAME));
}
/**
* Return a list or a single Node from executing an xpath against the parent Node.
*
* @param xpath XPath to execute
* @param firstOnly True to return the first result only
*
* @return Object[] can be empty but never null
*/
private Object[] getChildrenByXPath(String xpath, QueryParameterDefinition[] params, boolean firstOnly)
{
Object[] result = null;
if (xpath.length() != 0)
{
if (logger.isDebugEnabled())
{
logger.debug("Executing xpath: " + xpath);
if (params != null)
{
for (int i=0; i<params.length; i++)
{
logger.debug(" [" + params[i].getQName() + "]=" + params[i].getDefault());
}
}
}
List<NodeRef> nodes = this.services.getSearchService().selectNodes(this.nodeRef, xpath, params,
this.services.getNamespaceService(), false);
// see if we only want the first result
if (firstOnly == true)
{
if (nodes.size() != 0)
{
result = new Object[1];
result[0] = newInstance(nodes.get(0), this.services, this.scope);
}
}
// or all the results
else
{
result = new Object[nodes.size()];
for (int i = 0; i < nodes.size(); i++)
{
NodeRef ref = nodes.get(i);
result[i] = newInstance(ref, this.services, this.scope);
}
}
}
return result != null ? result : new Object[0];
}
// ------------------------------------------------------------------------------
// Value Conversion
/**
* Gets the node value converter
*
* @return the node value converter
*/
protected NodeValueConverter getValueConverter()
{
if (converter == null)
{
converter = createValueConverter();
}
return converter;
}
/**
* Constructs the node value converter
*
* @return the node value converter
*/
protected NodeValueConverter createValueConverter()
{
return new NodeValueConverter();
}
// Set support
/**
* Value converter with knowledge of Node specific value types
*/
public class NodeValueConverter extends ValueConverter
{
/**
* Convert an object from any repository serialized value to a valid script object. This includes converting
* Collection multi-value properties into JavaScript Array objects.
*
* @param qname QName of the property value for conversion
* @param value Property value
*
* @return Value safe for scripting usage
*/
public Serializable convertValueForScript(QName qname, Serializable value)
{
return convertValueForScript(services, scope, qname, value);
}
/*
* (non-Javadoc)
*
* @see org.alfresco.repo.jscript.ValueConverter#convertValueForScript(org.alfresco.service.ServiceRegistry,
* org.mozilla.javascript.Scriptable, org.alfresco.service.namespace.QName, java.io.Serializable)
*/
@Override
public Serializable convertValueForScript(ServiceRegistry services, Scriptable scope, QName qname,
Serializable value)
{
if (value instanceof ContentData)
{
// ContentData object properties are converted to ScriptContentData objects
// so the content and other properties of those objects can be accessed
value = new ScriptContentData((ContentData) value, qname);
}
else
{
value = super.convertValueForScript(services, scope, qname, value);
}
return value;
}
/*
* (non-Javadoc)
*
* @see org.alfresco.repo.jscript.ValueConverter#convertValueForRepo(java.io.Serializable)
*/
@Override
public Serializable convertValueForRepo(Serializable value)
{
if (value instanceof ScriptContentData)
{
// convert back to ContentData
value = ((ScriptContentData) value).contentData;
}
else
{
value = super.convertValueForRepo(value);
}
return value;
}
}
// ------------------------------------------------------------------------------
// Inner Classes
/**
* Inner class wrapping and providing access to a ContentData property
*/
public class ScriptContentData implements Content, Serializable
{
private static final long serialVersionUID = -7819328543933312278L;
/**
* Constructor
*
* @param contentData The ContentData object this object wraps
* @param property The property the ContentData is attached too
*/
public ScriptContentData(ContentData contentData, QName property)
{
this.contentData = contentData;
this.property = property;
}
/* (non-Javadoc)
* @see org.alfresco.repo.jscript.ScriptNode.ScriptContent#getContent()
*/
public String getContent()
{
ContentService contentService = services.getContentService();
ContentReader reader = contentService.getReader(nodeRef, property);
return (reader != null && reader.exists()) ? reader.getContentString() : "";
}
public InputStream getInputStream()
{
ContentService contentService = services.getContentService();
ContentReader reader = contentService.getReader(nodeRef, property);
return (reader != null && reader.exists()) ? reader.getContentInputStream() : null;
}
/**
* Set the content stream
*
* @param content Content string to set
*/
public void setContent(String content)
{
ContentService contentService = services.getContentService();
ContentWriter writer = contentService.getWriter(nodeRef, this.property, true);
writer.setMimetype(getMimetype()); // use existing mimetype value
writer.putContent(content);
// update cached variables after putContent()
this.contentData = (ContentData) services.getNodeService().getProperty(nodeRef, this.property);
}
/**
* Set the content stream from another content object
*
* @param content ScriptContent to set
*/
public void write(Content content)
{
ContentService contentService = services.getContentService();
ContentWriter writer = contentService.getWriter(nodeRef, this.property, true);
writer.setMimetype(content.getMimetype());
writer.setEncoding(content.getEncoding());
writer.putContent(content.getInputStream());
// update cached variables after putContent()
this.contentData = (ContentData) services.getNodeService().getProperty(nodeRef, this.property);
}
/**
* @return download URL to the content
*/
public String getUrl()
{
return MessageFormat.format(CONTENT_PROP_URL, new Object[] { nodeRef.getStoreRef().getProtocol(),
nodeRef.getStoreRef().getIdentifier(), nodeRef.getId(),
URLEncoder.encode(getName()),
URLEncoder.encode(property.toString()) });
}
/**
* @return download URL to the content for a document item only
*/
public String getDownloadUrl()
{
if (getIsDocument() == true)
{
return MessageFormat.format(CONTENT_DOWNLOAD_PROP_URL, new Object[] {
nodeRef.getStoreRef().getProtocol(),
nodeRef.getStoreRef().getIdentifier(),
nodeRef.getId(),
URLEncoder.encode(getName()),
URLEncoder.encode(property.toString()) });
}
else
{
return "";
}
}
public long getSize()
{
return contentData.getSize();
}
public String getMimetype()
{
return contentData.getMimetype();
}
public String getEncoding()
{
return contentData.getEncoding();
}
public void setEncoding(String encoding)
{
this.contentData = ContentData.setEncoding(this.contentData, encoding);
services.getNodeService().setProperty(nodeRef, this.property, this.contentData);
// update cached variables after putContent()
this.contentData = (ContentData) services.getNodeService().getProperty(nodeRef, this.property);
}
public void setMimetype(String mimetype)
{
this.contentData = ContentData.setMimetype(this.contentData, mimetype);
services.getNodeService().setProperty(nodeRef, this.property, this.contentData);
// update cached variables after putContent()
this.contentData = (ContentData) services.getNodeService().getProperty(nodeRef, this.property);
}
private ContentData contentData;
private QName property;
}
/**
* Interface contract for simple anonymous classes that implement document transformations
*/
private interface Transformer
{
/**
* Transform the reader to the specified writer
*
* @param contentService ContentService
* @param noderef NodeRef of the destination for the transform
* @param reader Source reader
* @param writer Destination writer
*
* @return Node representing the transformed entity
*/
ScriptNode transform(ContentService contentService, NodeRef noderef, ContentReader reader, ContentWriter writer);
}
}
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