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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
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package org.apache.tika.parser.microsoft.ooxml;


import java.math.BigInteger;
import java.util.Date;

import org.apache.poi.xwpf.usermodel.UnderlinePatterns;
import org.apache.tika.parser.microsoft.OfficeParserConfig;
import org.apache.tika.parser.microsoft.WordExtractor;
import org.apache.tika.parser.microsoft.ooxml.xwpf.XWPFStylesShim;
import org.apache.tika.sax.XHTMLContentHandler;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;

public class OOXMLTikaBodyPartHandler implements OOXMLWordAndPowerPointTextHandler.XWPFBodyContentsHandler {

    private final static String P = "p";

    private final static char[] NEWLINE = new char[]{'\n'};

    private final XHTMLContentHandler xhtml;
    private final XWPFListManager listManager;
    private final boolean includeDeletedText;
    private final boolean includeMoveFromText;
    private final XWPFStylesShim styles;

    private int pDepth = 0; //paragraph depth
    private int tableDepth = 0;//table depth
    private int sdtDepth = 0;//
    private boolean isItalics = false;
    private boolean isBold = false;
    private boolean isUnderline = false;
    private boolean isStrikeThrough = false;
    private boolean wroteHyperlinkStart = false;

    //TODO: fix this
    //pWithinCell should be an array/stack of given cell depths
    //so that when you get to the end of an embedded table, e.g.,
    //you know what your paragraph count was in the parent cell.
    //

... private int tableCellDepth = 0; private int pWithinCell = 0; //will need to replace this with a stack //if we're marking more that the first level

element private String paragraphTag = null; public OOXMLTikaBodyPartHandler(XHTMLContentHandler xhtml) { this.xhtml = xhtml; this.styles = XWPFStylesShim.EMPTY_STYLES; this.listManager = XWPFListManager.EMPTY_LIST; this.includeDeletedText = false; this.includeMoveFromText = false; } public OOXMLTikaBodyPartHandler(XHTMLContentHandler xhtml, XWPFStylesShim styles, XWPFListManager listManager, OfficeParserConfig parserConfig) { this.xhtml = xhtml; this.styles = styles; this.listManager = listManager; this.includeDeletedText = parserConfig.getIncludeDeletedContent(); this.includeMoveFromText = parserConfig.getIncludeMoveFromContent(); } @Override public void run(RunProperties runProperties, String contents) { try { // True if we are currently in the named style tag: if (runProperties.isBold() != isBold) { if (isStrikeThrough) { xhtml.endElement("strike"); isStrikeThrough = false; } if (isUnderline) { xhtml.endElement("u"); isUnderline = false;; } if (isItalics) { xhtml.endElement("i"); isItalics = false; } if (runProperties.isBold()) { xhtml.startElement("b"); } else { xhtml.endElement("b"); } isBold = runProperties.isBold(); } if (runProperties.isItalics() != isItalics) { if (isStrikeThrough) { xhtml.endElement("strike"); isStrikeThrough = false; } if (isUnderline) { xhtml.endElement("u"); isUnderline = false; } if (runProperties.isItalics()) { xhtml.startElement("i"); } else { xhtml.endElement("i"); } isItalics = runProperties.isItalics(); } if (runProperties.isStrikeThrough() != isStrikeThrough) { if (isUnderline) { xhtml.endElement("u"); isUnderline = false; } if (runProperties.isStrikeThrough()) { xhtml.startElement("strike"); } else { xhtml.endElement("strike"); } isStrikeThrough = runProperties.isStrikeThrough(); } boolean runIsUnderlined = runProperties.getUnderline() != UnderlinePatterns.NONE; if (runIsUnderlined != isUnderline) { if (runIsUnderlined) { xhtml.startElement("u"); } else { xhtml.endElement("u"); } isUnderline = runIsUnderlined; } xhtml.characters(contents); } catch (SAXException e) { } } @Override public void hyperlinkStart(String link) { try { if (link != null) { xhtml.startElement("a", "href", link); wroteHyperlinkStart = true; } } catch (SAXException e) { } } @Override public void hyperlinkEnd() { try { if (wroteHyperlinkStart) { closeStyleTags(); wroteHyperlinkStart = false; xhtml.endElement("a"); } } catch (SAXException e) { } } @Override public void startParagraph(ParagraphProperties paragraphProperties) { //if you're in a table cell and your after the first paragraph //make sure to prepend a \n if (tableCellDepth > 0 && pWithinCell > 0) { try { xhtml.characters(NEWLINE, 0, 1); } catch (SAXException e) { //swallow } } if (pDepth == 0 && tableDepth == 0 && sdtDepth == 0) { paragraphTag = P; String styleClass = null; //TIKA-2144 check that styles is not null if (paragraphProperties.getStyleID() != null && styles != null) { String styleName = styles.getStyleName( paragraphProperties.getStyleID() ); if (styleName != null) { WordExtractor.TagAndStyle tas = WordExtractor.buildParagraphTagAndStyle( styleName, false); paragraphTag = tas.getTag(); styleClass = tas.getStyleClass(); } } try { if (styleClass == null) { xhtml.startElement(paragraphTag); } else { xhtml.startElement(paragraphTag, "class", styleClass); } } catch (SAXException e) { } } try { writeParagraphNumber(paragraphProperties.getNumId(), paragraphProperties.getIlvl(), listManager, xhtml); } catch (SAXException e) { } pDepth++; } @Override public void endParagraph() { try { closeStyleTags(); if (pDepth == 1 && tableDepth == 0) { xhtml.endElement(paragraphTag); } else if (tableCellDepth > 0 && pWithinCell > 0){ xhtml.characters(NEWLINE, 0, 1); } else if (tableCellDepth == 0) { xhtml.characters(NEWLINE, 0, 1); } } catch (SAXException e) { } if (tableCellDepth > 0) { pWithinCell++; } pDepth--; } @Override public void startTable() { try { xhtml.startElement("table"); tableDepth++; } catch (SAXException e) { } } @Override public void endTable() { try { xhtml.endElement("table"); tableDepth--; } catch (SAXException e) { } } @Override public void startTableRow() { try { xhtml.startElement("tr"); } catch (SAXException e) { } } @Override public void endTableRow() { try { xhtml.endElement("tr"); } catch (SAXException e) { } } @Override public void startTableCell() { try { xhtml.startElement("td"); } catch (SAXException e) { } tableCellDepth++; } @Override public void endTableCell() { try { xhtml.endElement("td"); } catch (SAXException e) { } pWithinCell = 0; tableCellDepth--; } @Override public void startSDT() { try { closeStyleTags(); sdtDepth++; } catch (SAXException e) { } } @Override public void endSDT() { sdtDepth--; } @Override public void startEditedSection(String editor, Date date, OOXMLWordAndPowerPointTextHandler.EditType editType) { //no-op } @Override public void endEditedSection() { //no-op } @Override public boolean getIncludeDeletedText() { return includeDeletedText; } @Override public void footnoteReference(String id) { if (id != null) { try { xhtml.characters("["); xhtml.characters(id); xhtml.characters("]"); } catch (SAXException e) { } } } @Override public void endnoteReference(String id) { if (id != null) { try { xhtml.characters("["); xhtml.characters(id); xhtml.characters("]"); } catch (SAXException e) { } } } @Override public boolean getIncludeMoveFromText() { return includeMoveFromText; } @Override public void embeddedOLERef(String relId) { if (relId == null) { return; } try { AttributesImpl attributes = new AttributesImpl(); attributes.addAttribute("", "class", "class", "CDATA", "embedded"); attributes.addAttribute("", "id", "id", "CDATA", relId); xhtml.startElement("div", attributes); xhtml.endElement("div"); } catch (SAXException e) { } } @Override public void embeddedPicRef(String picFileName, String picDescription) { try { AttributesImpl attr = new AttributesImpl(); if (picFileName != null) { attr.addAttribute("", "src", "src", "CDATA", "embedded:" + picFileName); } if (picDescription != null) { attr.addAttribute("", "alt", "alt", "CDATA", picDescription); } xhtml.startElement("img", attr); xhtml.endElement("img"); } catch (SAXException e) { } } @Override public void startBookmark(String id, String name) { //skip bookmarks within hyperlinks if (name != null && ! wroteHyperlinkStart) { try { xhtml.startElement("a", "name", name); xhtml.endElement("a"); } catch (SAXException e) { } } } @Override public void endBookmark(String id) { //no-op } private void closeStyleTags() throws SAXException { if (isStrikeThrough) { xhtml.endElement("strike"); isStrikeThrough = false; } if (isUnderline) { xhtml.endElement("u"); isUnderline = false; } if (isItalics) { xhtml.endElement("i"); isItalics = false; } if (isBold) { xhtml.endElement("b"); isBold = false; } } private void writeParagraphNumber(int numId, int ilvl, XWPFListManager listManager, XHTMLContentHandler xhtml) throws SAXException { if (ilvl < 0 || numId < 0 || listManager == null) { return; } String number = listManager.getFormattedNumber(BigInteger.valueOf(numId), ilvl); if (number != null) { xhtml.characters(number); } } }





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