mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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2b251c922b
- Additions to the Alfresco JavaScript data-model . JUnit test for each entry point into Rhino and the ScriptService - tests for various API calls on the Scriptable Node object . More javadoc clean-up in templating and script services git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2726 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
866 lines
26 KiB
Java
866 lines
26 KiB
Java
/*
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* Copyright (C) 2005 Alfresco, Inc.
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*
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* Licensed under the Mozilla Public License version 1.1
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* with a permitted attribution clause. You may obtain a
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* copy of the License at
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*
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* http://www.alfresco.org/legal/license.txt
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific
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* language governing permissions and limitations under the
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* License.
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*/
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package org.alfresco.repo.jscript;
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import java.io.Serializable;
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import java.io.UnsupportedEncodingException;
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import java.net.URLEncoder;
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import java.text.MessageFormat;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.StringTokenizer;
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import org.alfresco.error.AlfrescoRuntimeException;
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import org.alfresco.model.ContentModel;
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import org.alfresco.repo.security.permissions.AccessDeniedException;
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import org.alfresco.service.ServiceRegistry;
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import org.alfresco.service.cmr.dictionary.DictionaryService;
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import org.alfresco.service.cmr.lock.LockStatus;
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import org.alfresco.service.cmr.repository.AssociationRef;
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import org.alfresco.service.cmr.repository.ChildAssociationRef;
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import org.alfresco.service.cmr.repository.ContentData;
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import org.alfresco.service.cmr.repository.ContentReader;
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import org.alfresco.service.cmr.repository.ContentService;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.repository.TemplateImageResolver;
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import org.alfresco.service.cmr.repository.TemplateNode;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.service.namespace.RegexQNamePattern;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.util.StringUtils;
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/**
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* Node class implementation specific for use by ScriptService as part of the object model.
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* <p>
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* <p>
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* The class exposes Node properties, children and assocs as dynamically populated maps and lists.
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* The various collection classes are mirrored as JavaScript properties. So can be accessed using
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* standard JavaScript syntax, such as <code>node.children[0].properties.name</code>.
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* <p>
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* Various helper methods are provided to access common and useful node variables such
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* as the content url and type information.
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*
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* @author Kevin Roast
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*/
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public final class Node implements Serializable
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{
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private static Log logger = LogFactory.getLog(Node.class);
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private final static String NAMESPACE_BEGIN = "" + QName.NAMESPACE_BEGIN;
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private final static String CONTENT_DEFAULT_URL = "/download/direct/{0}/{1}/{2}/{3}";
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private final static String CONTENT_PROP_URL = "/download/direct/{0}/{1}/{2}/{3}?property={4}";
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private final static String FOLDER_BROWSE_URL = "/navigate/browse/{0}/{1}/{2}";
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/** The children of this node */
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private Node[] children = null;
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/** The associations from this node */
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private ScriptableQNameMap<String, Node[]> assocs = null;
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/** Cached values */
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private NodeRef nodeRef;
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private String name;
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private QName type;
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private String path;
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private String id;
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private Set<QName> aspects = null;
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private ScriptableQNameMap<String, Object> properties;
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private boolean propsRetrieved = false;
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private ServiceRegistry services = null;
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private Boolean isDocument = null;
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private Boolean isContainer = null;
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private String displayPath = null;
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private String mimetype = null;
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private Long size = null;
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private TemplateImageResolver imageResolver = null;
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private Node parent = null;
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private ChildAssociationRef primaryParentAssoc = null;
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/**
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* Constructor
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*
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* @param nodeRef The NodeRef this Node wrapper represents
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* @param services The ServiceRegistry the Node can use to access services
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* @param resolver Image resolver to use to retrieve icons
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*/
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public Node(NodeRef nodeRef, ServiceRegistry services, TemplateImageResolver resolver)
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{
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if (nodeRef == null)
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{
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throw new IllegalArgumentException("NodeRef must be supplied.");
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}
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if (services == null)
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{
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throw new IllegalArgumentException("The ServiceRegistry must be supplied.");
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}
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this.nodeRef = nodeRef;
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this.id = nodeRef.getId();
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this.services = services;
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this.imageResolver = resolver;
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}
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/**
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* @return The GUID for the node
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*/
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public String getId()
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{
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return this.id;
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}
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public String jsGet_id()
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{
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return getId();
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}
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/**
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* @return Returns the NodeRef this Node object represents
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*/
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public NodeRef getNodeRef()
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{
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return this.nodeRef;
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}
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public NodeRef jsGet_nodeRef()
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{
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return getNodeRef();
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}
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/**
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* @return Returns the type.
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*/
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public QName getType()
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{
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if (this.type == null)
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{
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this.type = this.services.getNodeService().getType(this.nodeRef);
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}
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return type;
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}
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public QName jsGet_type()
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{
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return getType();
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}
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/**
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* @return The display name for the node
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*/
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public String getName()
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{
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if (this.name == null)
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{
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// try and get the name from the properties first
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this.name = (String)getProperties().get("cm:name");
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// if we didn't find it as a property get the name from the association name
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if (this.name == null)
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{
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ChildAssociationRef parentRef = this.services.getNodeService().getPrimaryParent(this.nodeRef);
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if (parentRef != null && parentRef.getQName() != null)
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{
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this.name = parentRef.getQName().getLocalName();
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}
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else
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{
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this.name = "";
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}
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}
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}
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return this.name;
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}
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public String jsGet_name()
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{
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return getName();
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}
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public void jsSet_name(String name)
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{
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this.getProperties().put(ContentModel.PROP_NAME.toString(), name);
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}
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/**
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* @return The children of this Node as Node wrappers
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*/
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public Node[] getChildren()
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{
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if (this.children == null)
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{
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List<ChildAssociationRef> childRefs = this.services.getNodeService().getChildAssocs(this.nodeRef);
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this.children = new Node[childRefs.size()];
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for (int i=0; i<childRefs.size(); i++)
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{
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// create our Node representation from the NodeRef
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Node child = new Node(childRefs.get(i).getChildRef(), this.services, this.imageResolver);
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this.children[i] = child;
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}
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}
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return this.children;
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}
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public Node[] jsGet_children()
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{
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return getChildren();
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}
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/**
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* @return Returns the Node at the specified 'cm:name' based Path walking the children of this Node.
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* So a valid call might be <code>mynode.childByNamePath("/QA/Testing/Docs");</code>
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*/
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public Node childByNamePath(String path)
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{
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// convert the name based path to a valid XPath query
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StringBuilder xpath = new StringBuilder(path.length() << 1);
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for (StringTokenizer t = new StringTokenizer(path, "/"); t.hasMoreTokens(); /**/)
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{
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if (xpath.length() != 0)
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{
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xpath.append('/');
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}
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xpath.append("*[@cm:name='")
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.append(t.nextToken()) // TODO: use QueryParameterDefinition see FileFolderService.search()
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.append("']");
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}
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Node[] nodes = getChildrenByXPath(xpath.toString(), true);
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return (nodes.length != 0) ? nodes[0] : null;
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}
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// TODO: find out why this doesn't work - the function defs do not seem to get found
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//public Node jsFunction_childByNamePath(String path)
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//{
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// return getChildByNamePath(path);
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//}
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/**
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* @return Returns the Nodes at the specified XPath walking the children of this Node.
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* So a valid call might be <code>mynode.childrenByXPath("/*[@cm:name='Testing']/*");</code>
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*/
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public Node[] childrenByXPath(String xpath)
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{
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return getChildrenByXPath(xpath, false);
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}
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// TODO: find out why this doesn't work - the function defs do not seem to get found
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//public Node[] jsFunction_childrenByXPath(String xpath)
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//{
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// return childrenByXPath(xpath);
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//}
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/**
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* @return A map capable of returning a List of Node objects from an NodeRef to a Saved Search
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* object. The Saved Search is executed and the resulting nodes supplied as a sequence.
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*/
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//public Map getChildrenBySavedSearch()
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//{
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// return new SavedSearchResultsMap(this, this.services);
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//}
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/**
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* @return A map capable of returning a List of Node objects from an NodeRef to a Lucene search
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* string. The Saved Search is executed and the resulting nodes supplied as a sequence.
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*/
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//public Map getChildrenByLuceneSearch()
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//{
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// return new LuceneSearchResultsMap(this, this.services);
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//}
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/**
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* Return the associations for this Node. As a Map of assoc name to an Array of Nodes.
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*
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* The Map returned implements the Scriptable interface to allow access to the assoc arrays via
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* JavaScript associative array access. This means associations of this node can be access thus:
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* <code>node.getAssocs()["translations"][0]</code>
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*
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* @return associations as a Map of assoc name to an Array of Nodes.
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*/
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public Map<String, Node[]> getAssocs()
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{
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if (this.assocs == null)
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{
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// this Map implements the Scriptable interface for native JS syntax property access
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this.assocs = new ScriptableQNameMap<String, Node[]>(this.services.getNamespaceService());
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List<AssociationRef> refs = this.services.getNodeService().getTargetAssocs(this.nodeRef, RegexQNamePattern.MATCH_ALL);
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for (AssociationRef ref : refs)
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{
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String qname = ref.getTypeQName().toString();
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Node[] nodes = (Node[])assocs.get(qname);
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if (nodes == null)
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{
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// first access for the list for this qname
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nodes = new Node[1];
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}
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else
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{
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Node[] newNodes = new Node[nodes.length + 1];
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System.arraycopy(nodes, 0, newNodes, 0, nodes.length);
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nodes = newNodes;
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}
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nodes[nodes.length] = new Node(ref.getTargetRef(), this.services, this.imageResolver);
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this.assocs.put(ref.getTypeQName().toString(), nodes);
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}
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}
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return this.assocs;
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}
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public Map<String, Node[]> jsGet_assocs()
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{
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return getAssocs();
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}
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/**
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* Return all the properties known about this node.
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*
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* The Map returned implements the Scriptable interface to allow access to the properties via
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* JavaScript associative array access. This means properties of a node can be access thus:
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* <code>node.getProperties()["name"]</code>
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*
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* @return Map of properties for this Node.
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*/
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public Map<String, Object> getProperties()
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{
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if (this.propsRetrieved == false)
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{
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// this Map implements the Scriptable interface for native JS syntax property access
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this.properties = new ScriptableQNameMap<String, Object>(this.services.getNamespaceService());
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Map<QName, Serializable> props = this.services.getNodeService().getProperties(this.nodeRef);
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for (QName qname : props.keySet())
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{
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Serializable propValue = props.get(qname);
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if (propValue instanceof NodeRef)
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{
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// NodeRef object properties are converted to new Node objects
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// so they can be used as objects within a template
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propValue = new Node(((NodeRef)propValue), this.services, this.imageResolver);
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}
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else if (propValue instanceof ContentData)
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{
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// ContentData object properties are converted to ScriptContentData objects
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// so the content and other properties of those objects can be accessed
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propValue = new ScriptContentData((ContentData)propValue, qname);
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}
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this.properties.put(qname.toString(), propValue);
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}
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this.propsRetrieved = true;
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}
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return this.properties;
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}
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public Map<String, Object> jsGet_properties()
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{
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return getProperties();
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}
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/**
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* @return true if this Node is a container (i.e. a folder)
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*/
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public boolean isContainer()
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{
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if (isContainer == null)
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{
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DictionaryService dd = this.services.getDictionaryService();
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isContainer = Boolean.valueOf( (dd.isSubClass(getType(), ContentModel.TYPE_FOLDER) == true &&
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dd.isSubClass(getType(), ContentModel.TYPE_SYSTEM_FOLDER) == false) );
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}
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return isContainer.booleanValue();
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}
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public boolean jsGet_isContainer()
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{
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return isContainer();
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}
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/**
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* @return true if this Node is a Document (i.e. with content)
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*/
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public boolean isDocument()
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{
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if (isDocument == null)
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{
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DictionaryService dd = this.services.getDictionaryService();
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isDocument = Boolean.valueOf(dd.isSubClass(getType(), ContentModel.TYPE_CONTENT));
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}
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return isDocument.booleanValue();
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}
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public boolean jsGet_isDocument()
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{
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return isDocument();
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}
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/**
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* @return The list of aspects applied to this node
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*/
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public Set<QName> getAspects()
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{
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if (this.aspects == null)
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{
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this.aspects = this.services.getNodeService().getAspects(this.nodeRef);
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}
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return this.aspects;
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}
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public QName[] jsGet_aspects()
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{
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return getAspects().toArray(new QName[getAspects().size()]);
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}
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/**
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* @param aspect The aspect name to test for
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*
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* @return true if the node has the aspect false otherwise
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*/
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public boolean hasAspect(String aspect)
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{
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if (this.aspects == null)
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{
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this.aspects = this.services.getNodeService().getAspects(this.nodeRef);
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}
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if (aspect.startsWith(NAMESPACE_BEGIN))
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{
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return aspects.contains((QName.createQName(aspect)));
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}
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else
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{
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boolean found = false;
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for (QName qname : this.aspects)
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{
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if (qname.toPrefixString(this.services.getNamespaceService()).equals(aspect))
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{
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found = true;
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break;
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}
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}
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return found;
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}
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}
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/**
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* @return Display path to this node
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*/
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public String getDisplayPath()
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{
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if (displayPath == null)
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{
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try
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{
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displayPath = this.services.getNodeService().getPath(this.nodeRef).toDisplayPath(this.services.getNodeService());
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}
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catch (AccessDeniedException err)
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{
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displayPath = "";
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}
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}
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return displayPath;
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}
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public String jsGet_displayPath()
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{
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return getDisplayPath();
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}
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/**
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* @return the small icon image for this node
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*/
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public String getIcon16()
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{
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if (this.imageResolver != null)
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{
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if (isDocument())
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{
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return this.imageResolver.resolveImagePathForName(getName(), true);
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}
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else
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{
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return "/images/icons/space_small.gif";
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}
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}
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else
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{
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return "/images/filetypes/_default.gif";
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}
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}
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public String jsGet_icon16()
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{
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return getIcon16();
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}
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/**
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* @return the large icon image for this node
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*/
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public String getIcon32()
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{
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if (this.imageResolver != null)
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{
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if (isDocument())
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{
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return this.imageResolver.resolveImagePathForName(getName(), false);
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}
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else
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{
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String icon = (String)getProperties().get("app:icon");
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if (icon != null)
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{
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return "/images/icons/" + icon + ".gif";
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}
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else
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{
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return "/images/icons/space-icon-default.gif";
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}
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}
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}
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else
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{
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return "/images/filetypes32/_default.gif";
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}
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}
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public String jsGet_icon32()
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{
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return getIcon32();
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}
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/**
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* @return true if the node is currently locked
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*/
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public boolean isLocked()
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{
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|
boolean locked = false;
|
|
|
|
if (getAspects().contains(ContentModel.ASPECT_LOCKABLE))
|
|
{
|
|
LockStatus lockStatus = this.services.getLockService().getLockStatus(this.nodeRef);
|
|
if (lockStatus == LockStatus.LOCKED || lockStatus == LockStatus.LOCK_OWNER)
|
|
{
|
|
locked = true;
|
|
}
|
|
}
|
|
|
|
return locked;
|
|
}
|
|
|
|
public boolean jsGet_isLocked()
|
|
{
|
|
return isLocked();
|
|
}
|
|
|
|
/**
|
|
* @return the parent node
|
|
*/
|
|
public Node getParent()
|
|
{
|
|
if (parent == null)
|
|
{
|
|
NodeRef parentRef = this.services.getNodeService().getPrimaryParent(nodeRef).getParentRef();
|
|
// handle root node (no parent!)
|
|
if (parentRef != null)
|
|
{
|
|
parent = new Node(parentRef, this.services, this.imageResolver);
|
|
}
|
|
}
|
|
|
|
return parent;
|
|
}
|
|
|
|
public Node jsGet_parent()
|
|
{
|
|
return getParent();
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @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.services.getNodeService().getPrimaryParent(nodeRef);
|
|
}
|
|
return primaryParentAssoc;
|
|
}
|
|
|
|
public ChildAssociationRef jsGet_primaryParentAssoc()
|
|
{
|
|
return getPrimaryParentAssoc();
|
|
}
|
|
|
|
/**
|
|
* @return the content String for this node from the default content property
|
|
* (@see ContentModel.PROP_CONTENT)
|
|
*/
|
|
public String getContent()
|
|
{
|
|
ContentService contentService = this.services.getContentService();
|
|
ContentReader reader = contentService.getReader(this.nodeRef, ContentModel.PROP_CONTENT);
|
|
return (reader != null && reader.exists()) ? reader.getContentString() : "";
|
|
}
|
|
|
|
public String jsGet_content()
|
|
{
|
|
return getContent();
|
|
}
|
|
|
|
/**
|
|
* @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 (isDocument() == true)
|
|
{
|
|
try
|
|
{
|
|
return MessageFormat.format(CONTENT_DEFAULT_URL, new Object[] {
|
|
nodeRef.getStoreRef().getProtocol(),
|
|
nodeRef.getStoreRef().getIdentifier(),
|
|
nodeRef.getId(),
|
|
StringUtils.replace(URLEncoder.encode(getName(), "UTF-8"), "+", "%20") } );
|
|
}
|
|
catch (UnsupportedEncodingException err)
|
|
{
|
|
throw new AlfrescoRuntimeException("Failed to encode content URL for node: " + nodeRef, err);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return MessageFormat.format(FOLDER_BROWSE_URL, new Object[] {
|
|
nodeRef.getStoreRef().getProtocol(),
|
|
nodeRef.getStoreRef().getIdentifier(),
|
|
nodeRef.getId() } );
|
|
}
|
|
}
|
|
|
|
public String jsGet_url()
|
|
{
|
|
return getUrl();
|
|
}
|
|
|
|
/**
|
|
* @return The mimetype encoding for content attached to the node from the default content property
|
|
* (@see ContentModel.PROP_CONTENT)
|
|
*/
|
|
public String getMimetype()
|
|
{
|
|
if (mimetype == null)
|
|
{
|
|
ScriptContentData content = (ScriptContentData)this.getProperties().get(ContentModel.PROP_CONTENT);
|
|
if (content != null)
|
|
{
|
|
mimetype = content.getMimetype();
|
|
}
|
|
}
|
|
|
|
return mimetype;
|
|
}
|
|
|
|
public String jsGet_mimetype()
|
|
{
|
|
return getMimetype();
|
|
}
|
|
|
|
/**
|
|
* @return The size in bytes of the content attached to the node from the default content property
|
|
* (@see ContentModel.PROP_CONTENT)
|
|
*/
|
|
public long getSize()
|
|
{
|
|
if (size == null)
|
|
{
|
|
ScriptContentData content = (ScriptContentData)this.getProperties().get(ContentModel.PROP_CONTENT);
|
|
if (content != null)
|
|
{
|
|
size = content.getSize();
|
|
}
|
|
}
|
|
|
|
return size != null ? size.longValue() : 0L;
|
|
}
|
|
|
|
public long jsGet_size()
|
|
{
|
|
return getSize();
|
|
}
|
|
|
|
/**
|
|
* @return the image resolver instance used by this node
|
|
*/
|
|
public TemplateImageResolver getImageResolver()
|
|
{
|
|
return this.imageResolver;
|
|
}
|
|
|
|
/**
|
|
* Override Object.toString() to provide useful debug output
|
|
*/
|
|
public String toString()
|
|
{
|
|
if (this.services.getNodeService().exists(nodeRef))
|
|
{
|
|
return "Node Type: " + getType() +
|
|
"\nNode Properties: " + this.getProperties().toString() +
|
|
"\nNode Aspects: " + this.getAspects().toString();
|
|
}
|
|
else
|
|
{
|
|
return "Node no longer exists: " + nodeRef;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 Node[] can be empty but never null
|
|
*/
|
|
private Node[] getChildrenByXPath(String xpath, boolean firstOnly)
|
|
{
|
|
Node[] result = null;
|
|
|
|
if (xpath.length() != 0)
|
|
{
|
|
if (logger.isDebugEnabled())
|
|
logger.debug("Executing xpath: " + xpath);
|
|
|
|
NodeRef contextRef;
|
|
if (getParent() != null)
|
|
{
|
|
contextRef = getParent().getNodeRef();
|
|
}
|
|
else
|
|
{
|
|
contextRef = this.services.getNodeService().getRootNode(nodeRef.getStoreRef());
|
|
}
|
|
List<NodeRef> nodes = this.services.getSearchService().selectNodes(
|
|
contextRef,
|
|
xpath,
|
|
null,
|
|
this.services.getNamespaceService(),
|
|
false);
|
|
|
|
// see if we only want the first result
|
|
if (firstOnly == true)
|
|
{
|
|
if (nodes.size() != 0)
|
|
{
|
|
result = new Node[1];
|
|
result[0] = new Node(nodes.get(0), this.services, this.imageResolver);
|
|
}
|
|
}
|
|
// or all the results
|
|
else
|
|
{
|
|
result = new Node[nodes.size()];
|
|
for (int i=0; i<nodes.size(); i++)
|
|
{
|
|
NodeRef ref = nodes.get(i);
|
|
result[i] = new Node(ref, this.services, this.imageResolver);
|
|
}
|
|
}
|
|
}
|
|
|
|
return result != null ? result : new Node[0];
|
|
}
|
|
|
|
|
|
/**
|
|
* Inner class wrapping and providing access to a ContentData property
|
|
*/
|
|
public class ScriptContentData implements Serializable
|
|
{
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* @return the content stream
|
|
*/
|
|
public String getContent()
|
|
{
|
|
ContentService contentService = services.getContentService();
|
|
ContentReader reader = contentService.getReader(nodeRef, property);
|
|
|
|
return (reader != null && reader.exists()) ? reader.getContentString() : "";
|
|
}
|
|
|
|
/**
|
|
* @return
|
|
*/
|
|
public String getUrl()
|
|
{
|
|
try
|
|
{
|
|
return MessageFormat.format(CONTENT_PROP_URL, new Object[] {
|
|
nodeRef.getStoreRef().getProtocol(),
|
|
nodeRef.getStoreRef().getIdentifier(),
|
|
nodeRef.getId(),
|
|
StringUtils.replace(URLEncoder.encode(getName(), "UTF-8"), "+", "%20"),
|
|
StringUtils.replace(URLEncoder.encode(property.toString(), "UTF-8"), "+", "%20") } );
|
|
}
|
|
catch (UnsupportedEncodingException err)
|
|
{
|
|
throw new AlfrescoRuntimeException("Failed to encode content URL for node: " + nodeRef, err);
|
|
}
|
|
}
|
|
|
|
public long getSize()
|
|
{
|
|
return contentData.getSize();
|
|
}
|
|
|
|
public String getMimetype()
|
|
{
|
|
return contentData.getMimetype();
|
|
}
|
|
|
|
private ContentData contentData;
|
|
private QName property;
|
|
}
|
|
} |