| /* |
| * 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.tika.parser.microsoft.xml; |
| |
| import org.xml.sax.Attributes; |
| import org.xml.sax.ContentHandler; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.AttributesImpl; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| import org.apache.tika.sax.XHTMLContentHandler; |
| |
| class HyperlinkHandler extends DefaultHandler { |
| private final ContentHandler handler; |
| private final String namespace; |
| boolean inLink = false; |
| StringBuilder linkCache = new StringBuilder(); |
| String href = null; |
| |
| public HyperlinkHandler(ContentHandler handler, String namespace) { |
| this.handler = handler; |
| this.namespace = namespace; |
| } |
| |
| @Override |
| public void startElement(String uri, String localName, String qName, Attributes attrs) |
| throws SAXException { |
| if (AbstractXML2003Parser.WORD_ML_URL.equals(uri)) { |
| if (AbstractXML2003Parser.HLINK.equals(localName)) { |
| href = attrs.getValue(AbstractXML2003Parser.WORD_ML_URL, |
| AbstractXML2003Parser.HLINK_DEST); |
| if (href != null) { |
| href = href.trim(); |
| } |
| inLink = true; |
| } |
| } |
| } |
| |
| @Override |
| public void characters(char[] str, int offset, int len) throws SAXException { |
| if (inLink) { |
| linkCache.append(str, offset, len); |
| } |
| } |
| |
| @Override |
| public void endElement(String uri, String localName, String qName) throws SAXException { |
| if (!namespace.equals(uri)) { |
| return; |
| } |
| if (AbstractXML2003Parser.HLINK.equals(localName)) { |
| AttributesImpl attrs = new AttributesImpl(); |
| if (href != null) { |
| attrs.addAttribute(XHTMLContentHandler.XHTML, AbstractXML2003Parser.HREF, |
| AbstractXML2003Parser.HREF, AbstractXML2003Parser.CDATA, href); |
| } |
| handler.startElement(XHTMLContentHandler.XHTML, AbstractXML2003Parser.A, |
| AbstractXML2003Parser.A, attrs); |
| String linkString = linkCache.toString(); |
| //can't be null I don't think |
| if (linkString != null) { |
| char[] chars = linkString.trim().toCharArray(); |
| handler.characters(chars, 0, chars.length); |
| } |
| handler.endElement(XHTMLContentHandler.XHTML, AbstractXML2003Parser.A, |
| AbstractXML2003Parser.A); |
| //reset link cache and inLink |
| linkCache.setLength(0); |
| inLink = false; |
| href = null; |
| |
| } |
| } |
| |
| } |
| |