org.apache.poi.xwpf.extractor.XWPFWordExtractor Maven / Gradle / Ivy
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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.apache.poi.xwpf.extractor;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import org.apache.poi.POIXMLDocument;
import org.apache.poi.POIXMLException;
import org.apache.poi.POIXMLTextExtractor;
import org.apache.poi.openxml4j.exceptions.OpenXML4JException;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.xwpf.model.XWPFCommentsDecorator;
import org.apache.poi.xwpf.model.XWPFHeaderFooterPolicy;
import org.apache.poi.xwpf.usermodel.IBodyElement;
import org.apache.poi.xwpf.usermodel.IRunElement;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFHyperlink;
import org.apache.poi.xwpf.usermodel.XWPFHyperlinkRun;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRelation;
import org.apache.poi.xwpf.usermodel.XWPFRun;
import org.apache.poi.xwpf.usermodel.XWPFSDT;
import org.apache.poi.xwpf.usermodel.XWPFTable;
import org.apache.poi.xwpf.usermodel.XWPFTableCell;
import org.apache.poi.xwpf.usermodel.XWPFTableRow;
import org.apache.xmlbeans.XmlException;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTSectPr;
/**
* Helper class to extract text from an OOXML Word file
*/
public class XWPFWordExtractor extends POIXMLTextExtractor {
public static final XWPFRelation[] SUPPORTED_TYPES = new XWPFRelation[] {
XWPFRelation.DOCUMENT, XWPFRelation.TEMPLATE,
XWPFRelation.MACRO_DOCUMENT,
XWPFRelation.MACRO_TEMPLATE_DOCUMENT
};
private XWPFDocument document;
private boolean fetchHyperlinks = false;
public XWPFWordExtractor(OPCPackage container) throws XmlException, OpenXML4JException, IOException {
this(new XWPFDocument(container));
}
public XWPFWordExtractor(XWPFDocument document) {
super(document);
this.document = document;
}
/**
* Should we also fetch the hyperlinks, when fetching
* the text content? Default is to only output the
* hyperlink label, and not the contents
*/
public void setFetchHyperlinks(boolean fetch) {
fetchHyperlinks = fetch;
}
public static void main(String[] args) throws Exception {
if(args.length < 1) {
System.err.println("Use:");
System.err.println(" HXFWordExtractor ");
System.exit(1);
}
POIXMLTextExtractor extractor =
new XWPFWordExtractor(POIXMLDocument.openPackage(
args[0]
));
System.out.println(extractor.getText());
}
public String getText() {
StringBuffer text = new StringBuffer();
XWPFHeaderFooterPolicy hfPolicy = document.getHeaderFooterPolicy();
// Start out with all headers
extractHeaders(text, hfPolicy);
// body elements
for (IBodyElement e : document.getBodyElements()){
appendBodyElementText(text, e);
text.append('\n');
}
// Finish up with all the footers
extractFooters(text, hfPolicy);
return text.toString();
}
public void appendBodyElementText(StringBuffer text, IBodyElement e){
if (e instanceof XWPFParagraph){
appendParagraphText(text, (XWPFParagraph)e);
} else if (e instanceof XWPFTable){
appendTableText(text, (XWPFTable)e);
} else if (e instanceof XWPFSDT){
text.append(((XWPFSDT)e).getContent().getText());
}
}
public void appendParagraphText(StringBuffer text, XWPFParagraph paragraph){
try {
CTSectPr ctSectPr = null;
if (paragraph.getCTP().getPPr()!=null) {
ctSectPr = paragraph.getCTP().getPPr().getSectPr();
}
XWPFHeaderFooterPolicy headerFooterPolicy = null;
if (ctSectPr!=null) {
headerFooterPolicy = new XWPFHeaderFooterPolicy(document, ctSectPr);
extractHeaders(text, headerFooterPolicy);
}
for(IRunElement run : paragraph.getRuns()) {
text.append(run.toString());
if(run instanceof XWPFHyperlinkRun && fetchHyperlinks) {
XWPFHyperlink link = ((XWPFHyperlinkRun)run).getHyperlink(document);
if(link != null)
text.append(" <" + link.getURL() + ">");
}
}
// Add comments
XWPFCommentsDecorator decorator = new XWPFCommentsDecorator(paragraph, null);
String commentText = decorator.getCommentText();
if (commentText.length() > 0){
text.append(commentText).append('\n');
}
// Do endnotes and footnotes
String footnameText = paragraph.getFootnoteText();
if(footnameText != null && footnameText.length() > 0) {
text.append(footnameText + '\n');
}
if (ctSectPr!=null) {
extractFooters(text, headerFooterPolicy);
}
} catch (IOException e) {
throw new POIXMLException(e);
} catch (XmlException e) {
throw new POIXMLException(e);
}
}
private void appendTableText(StringBuffer text, XWPFTable table){
//this works recursively to pull embedded tables from tables
for (XWPFTableRow row : table.getRows()){
List cells = row.getTableCells();
for (int i = 0; i < cells.size(); i++){
XWPFTableCell cell = cells.get(i);
text.append(cell.getTextRecursively());
if (i < cells.size()-1){
text.append("\t");
}
}
text.append('\n');
}
}
private void extractFooters(StringBuffer text, XWPFHeaderFooterPolicy hfPolicy) {
if(hfPolicy.getFirstPageFooter() != null) {
text.append( hfPolicy.getFirstPageFooter().getText() );
}
if(hfPolicy.getEvenPageFooter() != null) {
text.append( hfPolicy.getEvenPageFooter().getText() );
}
if(hfPolicy.getDefaultFooter() != null) {
text.append( hfPolicy.getDefaultFooter().getText() );
}
}
private void extractHeaders(StringBuffer text, XWPFHeaderFooterPolicy hfPolicy) {
if(hfPolicy.getFirstPageHeader() != null) {
text.append( hfPolicy.getFirstPageHeader().getText() );
}
if(hfPolicy.getEvenPageHeader() != null) {
text.append( hfPolicy.getEvenPageHeader().getText() );
}
if(hfPolicy.getDefaultHeader() != null) {
text.append( hfPolicy.getDefaultHeader().getText() );
}
}
}