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SAIL-244: Added an XSLT Template Processor (hooked into the template service) along with an XSLT rendering engine that makes use of it.

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@19153 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Brian Remmington
2010-03-09 14:02:55 +00:00
parent 7073ab6f88
commit 91ba631a3b
16 changed files with 2838 additions and 171 deletions
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278
source/java/org/alfresco/repo/rendition/executer/XSLTFunctions.java Normal file
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/*
* Copyright (C) 2005-2010 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 received 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.rendition.executer;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import org.alfresco.model.ContentModel;
import org.alfresco.service.cmr.dictionary.DictionaryService;
import org.alfresco.service.cmr.model.FileFolderService;
import org.alfresco.service.cmr.model.FileInfo;
import org.alfresco.service.cmr.model.FileNotFoundException;
import org.alfresco.service.cmr.repository.ChildAssociationRef;
import org.alfresco.service.cmr.repository.ContentService;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;
import org.alfresco.util.XMLUtil;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
/**
* @author Brian Remmington
* @since 3.3
*
*/
public class XSLTFunctions
{
private static final Log log = LogFactory.getLog(XSLTFunctions.class);
private FileFolderService fileService;
private ContentService contentService;
private NodeService nodeService;
private NamespaceService namespaceService;
private DictionaryService dictionaryService;
public XSLTFunctions()
{
}
public Document parseXMLDocument(final NodeRef root, String repoPath) throws IOException, SAXException,
FileNotFoundException
{
String[] pathElements = breakDownPath(repoPath);
FileInfo file = fileService.resolveNamePath(root, Arrays.asList(pathElements));
return XMLUtil.parse(file.getNodeRef(), contentService);
}
public Map<String, Document> parseXMLDocuments(final String typeName, NodeRef rootNode, String repoPath)
throws IOException, SAXException
{
final Map<String, Document> result = new TreeMap<String, Document>();
String[] pathElements = breakDownPath(repoPath);
try
{
FileInfo file = fileService.resolveNamePath(rootNode, Arrays.asList(pathElements));
if (file.isFolder())
{
QName typeQName = QName.createQName(typeName, namespaceService);
Set<QName> types = new HashSet<QName>(dictionaryService.getSubTypes(typeQName, true));
types.add(typeQName);
List<ChildAssociationRef> children = nodeService.getChildAssocs(file.getNodeRef(), types);
for (ChildAssociationRef child : children)
{
String name = (String) nodeService.getProperty(child.getChildRef(), ContentModel.PROP_NAME);
Document doc = XMLUtil.parse(child.getChildRef(), contentService);
result.put(name, doc);
}
}
}
catch (Exception ex)
{
log.warn("Unexpected exception caught in call to parseXMLDocuments", ex);
}
return result;
}
/**
* @param repoPath
* @return
*/
private String[] breakDownPath(String repoPath)
{
if (repoPath.startsWith("/"))
{
repoPath = repoPath.substring(1);
}
String[] pathElements = repoPath.split("/");
return pathElements;
}
/**
* Encodes invalid HTML characters. (Fix for ETWOTWO-504 issue) This code was adopted from WebDAVHelper.encodeHTML()
* method with some restrictions.
*
* @see press-release.xsl for pattern.
*
* @param text
* to encode
* @return encoded text
* @throws IOException
* @throws SAXException
*/
public String encodeQuotes(String text) throws IOException, SAXException
{
if (text == null)
{
return "";
}
StringBuilder sb = null; // create on demand
String enc;
char c;
for (int i = 0; i < text.length(); i++)
{
enc = null;
c = text.charAt(i);
switch (c)
{
case '"':
enc = "&quot;";
break; // "
// case '&': enc = "&amp;"; break; //&
// case '<': enc = "&lt;"; break; //<
// case '>': enc = "&gt;"; break; //>
// german umlauts
case '\u00E4':
enc = "&auml;";
break;
case '\u00C4':
enc = "&Auml;";
break;
case '\u00F6':
enc = "&ouml;";
break;
case '\u00D6':
enc = "&Ouml;";
break;
case '\u00FC':
enc = "&uuml;";
break;
case '\u00DC':
enc = "&Uuml;";
break;
case '\u00DF':
enc = "&szlig;";
break;
// misc
// case 0x80: enc = "&euro;"; break; sometimes euro symbol is ascii 128, should we suport it?
case '\u20AC':
enc = "&euro;";
break;
case '\u00AB':
enc = "&laquo;";
break;
case '\u00BB':
enc = "&raquo;";
break;
case '\u00A0':
enc = "&nbsp;";
break;
// case '': enc = "&trade"; break;
default:
if (((int) c) >= 0x80)
{
// encode all non basic latin characters
enc = "&#" + ((int) c) + ";";
}
break;
}
if (enc != null)
{
if (sb == null)
{
String soFar = text.substring(0, i);
sb = new StringBuilder(i + 8);
sb.append(soFar);
}
sb.append(enc);
}
else
{
if (sb != null)
{
sb.append(c);
}
}
}
if (sb == null)
{
return text;
}
else
{
return sb.toString();
}
}
/**
* @param fileService the fileService to set
*/
public void setFileService(FileFolderService fileService)
{
this.fileService = fileService;
}
/**
* @param contentService the contentService to set
*/
public void setContentService(ContentService contentService)
{
this.contentService = contentService;
}
/**
* @param nodeService the nodeService to set
*/
public void setNodeService(NodeService nodeService)
{
this.nodeService = nodeService;
}
/**
* @param namespaceService the namespaceService to set
*/
public void setNamespaceService(NamespaceService namespaceService)
{
this.namespaceService = namespaceService;
}
/**
* @param dictionaryService the dictionaryService to set
*/
public void setDictionaryService(DictionaryService dictionaryService)
{
this.dictionaryService = dictionaryService;
}
}