| /* |
| * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.internal.xjc.reader.internalizer; |
| |
| import javax.xml.XMLConstants; |
| |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.SAXNotRecognizedException; |
| import org.xml.sax.SAXNotSupportedException; |
| import org.xml.sax.XMLReader; |
| import org.xml.sax.helpers.AttributesImpl; |
| import org.xml.sax.helpers.XMLFilterImpl; |
| |
| /** |
| * {@link XMLReader} filter for supporting |
| * <tt>http://xml.org/sax/features/namespace-prefixes</tt> feature. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| final class ContentHandlerNamespacePrefixAdapter extends XMLFilterImpl { |
| /** |
| * True if <tt>http://xml.org/sax/features/namespace-prefixes</tt> is set to true. |
| */ |
| private boolean namespacePrefixes = false; |
| |
| private String[] nsBinding = new String[8]; |
| private int len; |
| |
| public ContentHandlerNamespacePrefixAdapter() { |
| } |
| |
| public ContentHandlerNamespacePrefixAdapter(XMLReader parent) { |
| setParent(parent); |
| } |
| |
| @Override |
| public boolean getFeature(String name) throws SAXNotRecognizedException, SAXNotSupportedException { |
| if(name.equals(PREFIX_FEATURE)) |
| return namespacePrefixes; |
| return super.getFeature(name); |
| } |
| |
| @Override |
| public void setFeature(String name, boolean value) throws SAXNotRecognizedException, SAXNotSupportedException { |
| if(name.equals(PREFIX_FEATURE)) { |
| this.namespacePrefixes = value; |
| return; |
| } |
| if(name.equals(NAMESPACE_FEATURE) && value) |
| return; |
| super.setFeature(name, value); |
| } |
| |
| |
| @Override |
| public void startPrefixMapping(String prefix, String uri) throws SAXException { |
| if (XMLConstants.XML_NS_URI.equals(uri)) return; //xml prefix shall not be declared based on jdk api javadoc |
| if(len==nsBinding.length) { |
| // reallocate |
| String[] buf = new String[nsBinding.length*2]; |
| System.arraycopy(nsBinding,0,buf,0,nsBinding.length); |
| nsBinding = buf; |
| } |
| nsBinding[len++] = prefix; |
| nsBinding[len++] = uri; |
| super.startPrefixMapping(prefix,uri); |
| } |
| |
| @Override |
| public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException { |
| if(namespacePrefixes) { |
| this.atts.setAttributes(atts); |
| // add namespace bindings back as attributes |
| for( int i=0; i<len; i+=2 ) { |
| String prefix = nsBinding[i]; |
| if(prefix.length()==0) |
| this.atts.addAttribute(XMLConstants.XML_NS_URI,"xmlns","xmlns","CDATA",nsBinding[i+1]); |
| else |
| this.atts.addAttribute(XMLConstants.XML_NS_URI,prefix,"xmlns:"+prefix,"CDATA",nsBinding[i+1]); |
| } |
| atts = this.atts; |
| } |
| len=0; |
| super.startElement(uri, localName, qName, atts); |
| } |
| |
| private final AttributesImpl atts = new AttributesImpl(); |
| |
| private static final String PREFIX_FEATURE = "http://xml.org/sax/features/namespace-prefixes"; |
| private static final String NAMESPACE_FEATURE = "http://xml.org/sax/features/namespaces"; |
| } |