/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 1999, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package com.sun.org.apache.xerces.internal.jaxp;
import com.sun.org.apache.xerces.internal.impl.xs.opti.DefaultXMLDocumentHandler;
import com.sun.org.apache.xerces.internal.util.AttributesProxy;
import com.sun.org.apache.xerces.internal.util.LocatorProxy;
import com.sun.org.apache.xerces.internal.xni.Augmentations;
import com.sun.org.apache.xerces.internal.xni.NamespaceContext;
import com.sun.org.apache.xerces.internal.xni.QName;
import com.sun.org.apache.xerces.internal.xni.XMLAttributes;
import com.sun.org.apache.xerces.internal.xni.XMLLocator;
import com.sun.org.apache.xerces.internal.xni.XMLString;
import com.sun.org.apache.xerces.internal.xni.XNIException;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
/**
* Converts {@link XNI} events to {@link ContentHandler} events.
*
* <p>
* Deriving from {@link DefaultXMLDocumentHandler}
* to reuse its default {@link com.sun.org.apache.xerces.internal.xni.XMLDocumentHandler}
* implementation.
*
* @author
* Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
*/
public class XNI2SAX extends DefaultXMLDocumentHandler {
private ContentHandler fContentHandler;
private String fVersion;
/** Namespace context */
protected NamespaceContext fNamespaceContext;
/**
* For efficiency, we reuse one instance.
*/
private final AttributesProxy fAttributesProxy = new AttributesProxy();
public void setContentHandler( ContentHandler handler ) {
this.fContentHandler = handler;
}
public ContentHandler getContentHandler() {
return fContentHandler;
}
public void xmlDecl(String version, String encoding, String standalone, Augmentations augs) throws XNIException {
this.fVersion = version;
}
public void startDocument(XMLLocator locator, String encoding, NamespaceContext namespaceContext, Augmentations augs) throws XNIException {
fNamespaceContext = namespaceContext;
fContentHandler.setDocumentLocator(new LocatorProxy(locator,fVersion));
try {
fContentHandler.startDocument();
} catch (SAXException e) {
throw new XNIException(e);
}
}
public void endDocument(Augmentations augs) throws XNIException {
try {
fContentHandler.endDocument();
} catch (SAXException e) {
throw new XNIException(e);
}
}
public void processingInstruction(String target, XMLString data, Augmentations augs) throws XNIException {
try {
fContentHandler.processingInstruction(target,data.toString());
} catch (SAXException e) {
throw new XNIException(e);
}
}
public void startElement(QName element, XMLAttributes attributes, Augmentations augs) throws XNIException {
try {
// start namespace prefix mappings
int count = fNamespaceContext.getDeclaredPrefixCount();
if (count > 0) {
String prefix = null;
String uri = null;
for (int i = 0; i < count; i++) {
prefix = fNamespaceContext.getDeclaredPrefixAt(i);
uri = fNamespaceContext.getURI(prefix);
fContentHandler.startPrefixMapping(prefix, (uri == null)?"":uri);
}
}
String uri = element.uri != null ? element.uri : "";
String localpart = element.localpart;
fAttributesProxy.setAttributes(attributes);
fContentHandler.startElement(uri, localpart, element.rawname, fAttributesProxy);
} catch( SAXException e ) {
throw new XNIException(e);
}
}
public void endElement(QName element, Augmentations augs) throws XNIException {
try {
String uri = element.uri != null ? element.uri : "";
String localpart = element.localpart;
fContentHandler.endElement(uri, localpart, element.rawname);
// send endPrefixMapping events
int count = fNamespaceContext.getDeclaredPrefixCount();
if (count > 0) {
for (int i = 0; i < count; i++) {
fContentHandler.endPrefixMapping(fNamespaceContext.getDeclaredPrefixAt(i));
}
}
} catch( SAXException e ) {
throw new XNIException(e);
}
}
public void emptyElement(QName element, XMLAttributes attributes, Augmentations augs) throws XNIException {
startElement(element,attributes,augs);
endElement(element,augs);
}
public void characters(XMLString text, Augmentations augs) throws XNIException {
try {
fContentHandler.characters(text.ch,text.offset,text.length);
} catch (SAXException e) {
throw new XNIException(e);
}
}
public void ignorableWhitespace(XMLString text, Augmentations augs) throws XNIException {
try {
fContentHandler.ignorableWhitespace(text.ch,text.offset,text.length);
} catch (SAXException e) {
throw new XNIException(e);
}
}
}
|