org.docx4j.convert.out.html.SymbolWriter Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of docx4j Show documentation
Show all versions of docx4j Show documentation
docx4j is a library which helps you to work with the Office Open
XML file format as used in docx
documents, pptx presentations, and xlsx spreadsheets.
/*
* Copyright 2009, Plutext Pty Ltd.
*
* This file is part of docx4j.
docx4j is licensed 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.docx4j.convert.out.html;
import javax.xml.transform.TransformerException;
import org.apache.log4j.Logger;
import org.docx4j.XmlUtils;
import org.docx4j.convert.out.ModelConverter;
import org.docx4j.fonts.PhysicalFont;
import org.docx4j.model.Model;
import org.docx4j.model.SymbolModel;
import org.docx4j.model.TransformState;
import org.w3c.dom.DocumentFragment;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.Text;
/*
* Convert the character reference to a string,
* since XSLT doesn't like us putting and @w:char and ';' together
*
* @author Jason Harrop
*
*/
public class SymbolWriter extends ModelConverter {
private final static Logger log = Logger.getLogger(SymbolWriter.class);
public Node toNode(Model symbolModel, TransformState state) throws TransformerException {
SymbolModel sm = (SymbolModel)symbolModel;
String value = sm.getSym().getChar();
// Pre-process according to ECMA-376 2.3.3.29
if (value.startsWith("F0")
|| value.startsWith("f0") ) {
value = value.substring(2);
}
org.w3c.dom.Document doc = XmlUtils.neww3cDomDocument();
Text theChar = doc.createTextNode( new String(hexStringToByteArray(value) ) );
DocumentFragment docfrag = doc.createDocumentFragment();
String fontName = sm.getSym().getFont();
PhysicalFont pf = wordMLPackage.getFontMapper().getFontMappings().get(fontName);
if (pf==null) {
log.warn("No physical font present for:" + fontName);
docfrag.appendChild( theChar );
} else {
Element span = doc.createElement("span");
docfrag.appendChild(span);
span.setAttribute("style", "font-family:" + pf.getName() );
span.appendChild( theChar );
}
return docfrag;
}
public static byte[] hexStringToByteArray(String s) {
// From http://stackoverflow.com/questions/140131/convert-a-string-representation-of-a-hex-dump-to-a-byte-array-using-java
int len = s.length();
byte[] data = new byte[len / 2];
for (int i = 0; i < len; i += 2) {
data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
+ Character.digit(s.charAt(i+1), 16));
}
return data;
}
}