| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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.openoffice.xmerge.converter.xml.sxw.aportisdoc; |
| |
| import org.w3c.dom.Document; |
| |
| import org.openoffice.xmerge.DocumentMerger; |
| import org.openoffice.xmerge.MergeException; |
| import org.openoffice.xmerge.ConverterCapabilities; |
| import org.openoffice.xmerge.converter.xml.sxw.SxwDocument; |
| import org.openoffice.xmerge.merger.DiffAlgorithm; |
| import org.openoffice.xmerge.merger.Difference; |
| import org.openoffice.xmerge.merger.NodeMergeAlgorithm; |
| import org.openoffice.xmerge.merger.Iterator; |
| import org.openoffice.xmerge.merger.diff.ParaNodeIterator; |
| import org.openoffice.xmerge.merger.diff.IteratorLCSAlgorithm; |
| import org.openoffice.xmerge.merger.merge.DocumentMerge; |
| import org.openoffice.xmerge.merger.merge.CharacterBaseParagraphMerge; |
| import org.openoffice.xmerge.util.Debug; |
| |
| |
| /** |
| * AportisDoc implementation of <code>DocumentMerger</code> |
| * for the {@link |
| * org.openoffice.xmerge.converter.xml.sxw.aportisdoc.PluginFactoryImpl |
| * PluginFactoryImpl}.</p> |
| */ |
| public class DocumentMergerImpl implements DocumentMerger { |
| |
| private ConverterCapabilities cc_; |
| private org.openoffice.xmerge.Document orig = null; |
| |
| public DocumentMergerImpl(org.openoffice.xmerge.Document doc, ConverterCapabilities cc) { |
| cc_ = cc; |
| this.orig = doc; |
| } |
| |
| public void merge(org.openoffice.xmerge.Document modifiedDoc) throws MergeException { |
| |
| SxwDocument wdoc1 = (SxwDocument) orig; |
| SxwDocument wdoc2 = (SxwDocument) modifiedDoc; |
| |
| Document doc1 = wdoc1.getContentDOM(); |
| Document doc2 = wdoc2.getContentDOM(); |
| |
| Iterator i1 = new ParaNodeIterator(cc_, doc1.getDocumentElement()); |
| Iterator i2 = new ParaNodeIterator(cc_, doc2.getDocumentElement()); |
| |
| DiffAlgorithm diffAlgo = new IteratorLCSAlgorithm(); |
| |
| // find out the paragrah level diffs |
| Difference[] diffTable = diffAlgo.computeDiffs(i1, i2); |
| |
| if (Debug.isFlagSet(Debug.INFO)) { |
| Debug.log(Debug.INFO, "Diff Result: "); |
| |
| for (int i = 0; i < diffTable.length; i++) { |
| Debug.log(Debug.INFO, diffTable[i].debug()); |
| } |
| } |
| |
| // merge the paragraphs |
| NodeMergeAlgorithm charMerge = new CharacterBaseParagraphMerge(); |
| DocumentMerge docMerge = new DocumentMerge(cc_, charMerge); |
| |
| Iterator result = null; |
| |
| docMerge.applyDifference(i1, i2, diffTable); |
| } |
| } |
| |
| |