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Convert the XSLF text extractor from using the old style low level code to use usermodel 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1165109 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2011-09-04 20:51:21 +00:00
parent a88a80e615
commit 80741fdf37
1 changed files with 41 additions and 43 deletions
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84
src/ooxml/java/org/apache/poi/xslf/extractor/XSLFPowerPointExtractor.java
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@ -16,22 +16,21 @@
==================================================================== */
package org.apache.poi.xslf.extractor;
import java.io.IOException;
import org.apache.poi.POIXMLTextExtractor;
import org.apache.poi.openxml4j.exceptions.OpenXML4JException;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.xslf.XSLFSlideShow;
import org.apache.poi.xslf.usermodel.DrawingParagraph;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFComments;
import org.apache.poi.xslf.usermodel.XSLFCommonSlideData;
import org.apache.poi.xslf.usermodel.XSLFNotes;
import org.apache.poi.xslf.usermodel.XSLFRelation;
import org.apache.poi.xslf.usermodel.XSLFSlide;
import org.apache.xmlbeans.XmlException;
import org.openxmlformats.schemas.presentationml.x2006.main.CTComment;
import org.openxmlformats.schemas.presentationml.x2006.main.CTCommentList;
import org.openxmlformats.schemas.presentationml.x2006.main.CTNotesSlide;
import org.openxmlformats.schemas.presentationml.x2006.main.CTSlideIdListEntry;
import java.io.IOException;
public class XSLFPowerPointExtractor extends POIXMLTextExtractor {
public static final XSLFRelation[] SUPPORTED_TYPES = new XSLFRelation[] {
@ -89,51 +88,50 @@ public class XSLFPowerPointExtractor extends POIXMLTextExtractor {
return getText(slidesByDefault, notesByDefault);
}
/**
* Gets the requested text from the file
* @param slideText Should we retrieve text from slides?
* @param notesText Should we retrieve text from notes?
*/
public String getText(boolean slideText, boolean notesText) {
StringBuffer text = new StringBuffer();
/**
* Gets the requested text from the file
* @param slideText Should we retrieve text from slides?
* @param notesText Should we retrieve text from notes?
*/
public String getText(boolean slideText, boolean notesText) {
StringBuffer text = new StringBuffer();
XSLFSlide[] slides = slideshow.getSlides();
try {
XSLFSlideShow xsl = new XSLFSlideShow(slideshow.getPackage());
for (int i = 0; i < slides.length; i++) {
CTSlideIdListEntry slideId = slideshow.getCTPresentation().getSldIdLst().getSldIdArray(i);
XSLFSlide[] slides = slideshow.getSlides();
// For now, still very low level
CTNotesSlide notes =
xsl.getNotes(slideId);
CTCommentList comments =
xsl.getSlideComments(slideId);
for (XSLFSlide slide : slides) {
try {
XSLFNotes notes = slide.getNotes();
XSLFComments comments = slide.getComments();
if (slideText) {
extractText(new XSLFCommonSlideData(slides[i].getXmlObject().getCSld()), text);
// TODO Do the slide's name
// Comments too for the slide
if (comments != null) {
for (CTComment comment : comments.getCmList()) {
// TODO - comment authors too
// (They're in another stream)
text.append(
comment.getText() + "\n"
);
}
}
}
// Do the slide's text if requested
if (slideText) {
extractText(slide.getCommonSlideData(), text);
if (notesText && notes != null) {
extractText(new XSLFCommonSlideData(notes.getCSld()), text);
}
// If the slide has comments, do those too
if (comments != null) {
for (CTComment comment : comments.getCTCommentsList().getCmList()) {
// TODO - comment authors too
// (They're in another stream)
text.append(
comment.getText() + "\n"
);
}
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return text.toString();
}
// Do the notes if requested
if (notesText && notes != null) {
extractText(notes.getCommonSlideData(), text);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
return text.toString();
}
private void extractText(XSLFCommonSlideData data, StringBuffer text) {
for (DrawingParagraph p : data.getText()) {