/*
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* Copyright 2007-2008, Plutext Pty Ltd.
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*
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* This file is part of docx4j.
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docx4j is licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cn.flightfeather.supervision.docx4j.simpleDemo;
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import org.docx4j.dml.CTBlip;
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import org.docx4j.openpackaging.io.SaveToZipFile;
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import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
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import org.docx4j.openpackaging.parts.Part;
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import org.docx4j.openpackaging.parts.WordprocessingML.BinaryPart;
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import org.docx4j.openpackaging.parts.WordprocessingML.MainDocumentPart;
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import org.docx4j.openpackaging.parts.relationships.Namespaces;
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import org.docx4j.openpackaging.parts.relationships.RelationshipsPart;
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import org.docx4j.relationships.Relationship;
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import org.docx4j.relationships.Relationships;
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import org.docx4j.utils.SingleTraversalUtilVisitorCallback;
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import org.docx4j.utils.TraversalUtilVisitor;
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import org.docx4j.wml.Body;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.util.List;
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/**
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* Takes existing images internal to the package,
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* and points at them with TargetMode="External",
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* and r:link (instead of r:embed).
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*
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* Optionally saves the target part as a file.
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*
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* @author jharrop
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*
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*/
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public class ImageConvertEmbeddedToLinked {
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/**
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* @param args
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*/
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public static void main(String[] args) throws Exception {
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String BASE_DIR = System.getProperty("user.dir");
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String inputfilepath = BASE_DIR + "/sample-docs/word/sample-docx.docx";
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boolean saveImages = true;
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boolean saveResultingDoc = true;
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String outputfilepath = BASE_DIR + "/OUT_ConvertEmbeddedImageToLinked.docx";
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// Open a document from the file system
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// Load the Package
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WordprocessingMLPackage wordMLPackage = WordprocessingMLPackage.load(new File(inputfilepath));
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// Change the rels to TargetMode="External"
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// Fetch rels part
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MainDocumentPart documentPart = wordMLPackage.getMainDocumentPart();
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RelationshipsPart relsPart = documentPart.getRelationshipsPart();
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Relationships rels = relsPart.getRelationships();
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List<Relationship> relsList = rels.getRelationship();
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// For each image rel
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for (Relationship r : relsList) {
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System.out.println(r.getTargetMode());
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if ( r.getType().equals( Namespaces.IMAGE )
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&& (r.getTargetMode()==null
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|| r.getTargetMode().equalsIgnoreCase("internal"))) {
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String target = r.getTarget();
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System.out.println("target: " + target);
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if (saveImages) {
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// Save the image as a file in the specified location
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File f = new File(BASE_DIR + "/" + target);
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if (f.exists()) {
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System.out.println("Overwriting existing object: " + f.getPath() );
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} else if ( !f.getParentFile().exists() ) {
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System.out.println("creating " + f.getParentFile().getAbsolutePath() );
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f.getParentFile().mkdirs();
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//f = new File(BASE_DIR + "/" + target);
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}
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Part p = relsPart.getPart(r);
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FileOutputStream fos = new FileOutputStream( f );
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((BinaryPart)p).writeDataToOutputStream(fos);
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fos.close();
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}
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// .. externalise - after getPart!
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r.setTargetMode("External");
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}
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}
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// Change r:embed to r:link
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org.docx4j.wml.Document wmlDocumentEl = (org.docx4j.wml.Document)documentPart.getJaxbElement();
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Body body = wmlDocumentEl.getBody();
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SingleTraversalUtilVisitorCallback imageVisitor
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= new SingleTraversalUtilVisitorCallback(
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new TraversalUtilBlipVisitor());
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imageVisitor.walkJAXBElements(body);
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// Save it
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if (saveResultingDoc) {
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SaveToZipFile saver = new SaveToZipFile(wordMLPackage);
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saver.save(outputfilepath);
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}
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}
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/**
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* <w:drawing>
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<wp:inline distT="0" distB="0" distL="0" distR="0">
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<a:graphic xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main">
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<a:graphicData uri="http://schemas.openxmlformats.org/drawingml/2006/picture">
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<pic:pic xmlns:pic="http://schemas.openxmlformats.org/drawingml/2006/picture">
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<pic:blipFill>
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<a:blip r:embed="rId5" />
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*/
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public static class TraversalUtilBlipVisitor extends TraversalUtilVisitor<CTBlip> {
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@Override
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public void apply(CTBlip element, Object parent, List<Object> siblings) {
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if (element.getEmbed()!=null) {
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String relId = element.getEmbed();
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// Add r:link
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element.setLink(relId);
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// Remove r:embed
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element.setEmbed(null);
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System.out.println("Converted a:blip with relId " + relId);
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}
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}
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}
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/**
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<w:pict>
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:
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<v:shape id="_x0000_i1025" type="#_x0000_t75"
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style="width:428.25pt;height:321pt">
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<v:imagedata r:id="rId4" o:title="" /> <---- no link/embed attribute
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</v:shape>
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</w:pict>
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*/
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}
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