- adding in the structure for an XSL FO rendering engine

- terminology cleanups to model and screens - extracting company-footer back into its own xsd; no reason to shove that feature in everyone's face. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@4227 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2025-08-07 17:49:17 +00:00 · 2006-10-26 04:16:16 +00:00
parent 0b3147e8c2
commit 07686ab8ce
13 changed files with 284 additions and 63 deletions
--- a/source/java/org/alfresco/web/forms/XSLFORenderingEngine.java
+++ b/source/java/org/alfresco/web/forms/XSLFORenderingEngine.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the
+ * License.
+ */
+package org.alfresco.web.forms;
+
+import java.io.*;
+import java.util.*;
+import javax.xml.transform.Result;
+import javax.xml.transform.Source;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.sax.SAXResult;
+import org.alfresco.service.cmr.repository.ContentService;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.repository.NodeService;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.w3c.dom.*;
+import org.xml.sax.SAXException;
+import org.apache.fop.apps.FOUserAgent;
+import org.apache.fop.apps.Fop;
+import org.apache.fop.apps.FOPException;
+import org.apache.fop.apps.FopFactory;
+import org.apache.fop.apps.FormattingResults;
+import org.apache.fop.apps.MimeConstants;
+import org.apache.fop.apps.PageSequenceResults;
+
+/**
+ * A rendering engine which uses xsl-fo templates to generate renditions of
+ * form instance data.
+ *
+ * @author Ariel Backenroth
+ */
+public class XSLFORenderingEngine
+   extends XSLTRenderingEngine
+{
+
+   private static final Log LOGGER = LogFactory.getLog(XSLFORenderingEngine.class);
+
+   public XSLFORenderingEngine(final NodeRef nodeRef,
+                               final NodeService nodeService,
+                               final ContentService contentService)
+   {
+      super(nodeRef, nodeService, contentService);
+   }
+
+   public void generate(final Document xmlContent,
+                        final Map<String, String> parameters,
+                        final OutputStream out)
+      throws IOException,
+      RenderingEngine.RenderingException
+   {
+      try
+      {
+         final FopFactory fopFactory = FopFactory.newInstance();
+         final FOUserAgent foUserAgent = fopFactory.newFOUserAgent();
+         final Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, foUserAgent, out);
+         
+         // Resulting SAX events (the generated FO) must be piped through to FOP
+         final Result result = new SAXResult(fop.getDefaultHandler());
+         
+         super.render(new DOMSource(xmlContent), parameters, result);
+         
+         // Result processing
+         FormattingResults foResults = fop.getResults();
+         java.util.List pageSequences = foResults.getPageSequences();
+         for (java.util.Iterator it = pageSequences.iterator(); it.hasNext();) 
+         {
+            PageSequenceResults pageSequenceResults = (PageSequenceResults)it.next();
+            System.out.println("PageSequence " 
+                               + (String.valueOf(pageSequenceResults.getID()).length() > 0 
+                                  ? pageSequenceResults.getID() : "<no id>") 
+                               + " generated " + pageSequenceResults.getPageCount() + " pages.");
+         }
+         System.out.println("Generated " + foResults.getPageCount() + " pages in total.");
+      }
+      catch (FOPException fope)
+      {
+      }
+   }
+}