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/* ====================================================================
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.apache.poi.xwpf.usermodel;
import static org.apache.poi.ooxml.POIXMLTypeLoader.DEFAULT_XML_OPTIONS;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import javax.xml.namespace.QName;
import org.apache.poi.ooxml.POIXMLException;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.util.Internal;
import org.apache.xmlbeans.XmlException;
import org.apache.xmlbeans.XmlOptions;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTEndnotes;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTFtnEdn;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.EndnotesDocument;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STFtnEdn;
/**
* Looks after the collection of end notes for a document.
* Managed end notes ({@link XWPFEndnote}).
* @since 4.0.0
*/
public class XWPFEndnotes extends XWPFAbstractFootnotesEndnotes {
protected CTEndnotes ctEndnotes;
public XWPFEndnotes() {
super();
}
/**
* Construct XWPFEndnotes from a package part
*
* @param part the package part holding the data of the footnotes,
*
* @since POI 3.14-Beta1
*/
public XWPFEndnotes(PackagePart part) {
super(part);
}
/**
* Set the end notes for this part.
*
* @param endnotes The endnotes to be added.
*/
@Internal
public void setEndnotes(CTEndnotes endnotes) {
ctEndnotes = endnotes;
}
/**
* Create a new end note and add it to the document.
*
* @return New XWPFEndnote
* @since 4.0.0
*/
public XWPFEndnote createEndnote() {
CTFtnEdn newNote = CTFtnEdn.Factory.newInstance();
newNote.setType(STFtnEdn.NORMAL);
XWPFEndnote footnote = addEndnote(newNote);
footnote.getCTFtnEdn().setId(getIdManager().nextId());
return footnote;
}
/**
* Remove the specified footnote if present.
*
* @param pos
* @return True if the footnote was removed.
* @since 4.0.0
*/
public boolean removeFootnote(int pos) {
if (ctEndnotes.sizeOfEndnoteArray() >= pos - 1) {
ctEndnotes.removeEndnote(pos);
listFootnote.remove(pos);
return true;
} else {
return false;
}
}
/**
* Read document
*/
@Override
protected void onDocumentRead() throws IOException {
EndnotesDocument notesDoc;
try (InputStream is = getPackagePart().getInputStream()) {
notesDoc = EndnotesDocument.Factory.parse(is, DEFAULT_XML_OPTIONS);
ctEndnotes = notesDoc.getEndnotes();
} catch (XmlException e) {
throw new POIXMLException();
}
for (CTFtnEdn note : ctEndnotes.getEndnoteList()) {
listFootnote.add(new XWPFEndnote(note, this));
}
}
@Override
protected void commit() throws IOException {
XmlOptions xmlOptions = new XmlOptions(DEFAULT_XML_OPTIONS);
xmlOptions.setSaveSyntheticDocumentElement(new QName(CTEndnotes.type.getName().getNamespaceURI(), "endnotes"));
PackagePart part = getPackagePart();
OutputStream out = part.getOutputStream();
ctEndnotes.save(out, xmlOptions);
out.close();
}
/**
* add an {@link XWPFEndnote} to the document
*
* @param endnote
* @throws IOException
*/
public void addEndnote(XWPFEndnote endnote) {
listFootnote.add(endnote);
ctEndnotes.addNewEndnote().set(endnote.getCTFtnEdn());
}
/**
* Add an endnote to the document
*
* @param note Note to add
* @return New {@link XWPFEndnote}
* @throws IOException
*/
@Internal
public XWPFEndnote addEndnote(CTFtnEdn note) {
CTFtnEdn newNote = ctEndnotes.addNewEndnote();
newNote.set(note);
XWPFEndnote xNote = new XWPFEndnote(newNote, this);
listFootnote.add(xNote);
return xNote;
}
/**
* Get the end note with the specified ID, if any.
* @param id End note ID.
* @return The end note or null if not found.
*/
public XWPFEndnote getFootnoteById(int id) {
return (XWPFEndnote)super.getFootnoteById(id);
}
/**
* Get the list of {@link XWPFEndnote} in the Endnotes part.
*
* @return List, possibly empty, of end notes.
*/
public List<XWPFEndnote> getEndnotesList() {
List<XWPFEndnote> resultList = new ArrayList<>();
for (XWPFAbstractFootnoteEndnote note : listFootnote) {
resultList.add((XWPFEndnote)note);
}
return resultList;
}
/**
* Remove the specified end note if present.
*
* @param pos Array position of the endnote to be removed
* @return True if the end note was removed.
* @since 4.0.0
*/
public boolean removeEndnote(int pos) {
if (ctEndnotes.sizeOfEndnoteArray() >= pos - 1) {
ctEndnotes.removeEndnote(pos);
listFootnote.remove(pos);
return true;
} else {
return false;
}
}
}
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