cziegeler 2002/09/25 08:41:49
Added: src/java/org/apache/cocoon/components/source
URLRewriter.java
Log:
Added missing class - never trust your automated IDE...Thanks Marcus for spotting
this!
Revision Changes Path
1.1
xml-cocoon2/src/java/org/apache/cocoon/components/source/URLRewriter.java
Index: URLRewriter.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999-2002 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, 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 "Apache Cocoon" 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
[EMAIL PROTECTED]
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 (INCLU-
DING, 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 created by
Stefano Mazzocchi <[EMAIL PROTECTED]>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.cocoon.components.source;
import java.net.MalformedURLException;
import java.net.URL;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.cocoon.ProcessingException;
import org.apache.cocoon.xml.XMLConsumer;
import org.xml.sax.ext.LexicalHandler;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;
/**
* This is an <code>XMLConsumer</code> which rewrites the stream
* according to the configuration.
* The configuration can have the following parameters:
* "rewriteURLMode" : The mode to rewrite the urls. Currently none and cocoon
* are supported.
* "cocoonURL" : The url all links are resolved to
* "urlParameterName" : The parameter name to use for links (all links are
* then "cocoonURL?urlParameterName=LINK"
* "baseURL" : The current URL to rewrite
*
* @author <a href="mailto:[EMAIL PROTECTED]";>Carsten Ziegeler</a>
* @version CVS $Id: URLRewriter.java,v 1.2 2002/05/07 09:23:01 cziegeler Exp $
*/
public final class URLRewriter implements XMLConsumer {
public static final String PARAMETER_MODE = "rewriteURLMode";
public static final String MODE_NONE = "none";
public static final String MODE_COCOON = "cocoon";
public static final String PARAMETER_PARAMETER_NAME = "urlParameterName";
public static final String PARAMETER_URL = "baseURL";
public static final String PARAMETER_COCOON_URL = "cocoonURL";
/** The <code>ContentHandler</code> */
private ContentHandler contentHandler;
/** The <code>LexicalHandler</code> */
private LexicalHandler lexicalHandler;
/** The mode:
* 0 : no rewriting
* 1 : cocoon */
private int mode;
/** The base url */
private String baseUrl;
/** The cocoon url */
private String cocoonUrl;
/**
* Create a new rewriter
*/
public URLRewriter(Parameters configuration,
ContentHandler contentHandler,
LexicalHandler lexicalHandler)
throws ProcessingException {
try {
this.contentHandler = contentHandler;
this.lexicalHandler = lexicalHandler;
this.mode = 0;
if (configuration != null
&& configuration.getParameter(PARAMETER_MODE, null) != null) {
if (configuration.getParameter(PARAMETER_MODE,
null).equalsIgnoreCase(MODE_COCOON) == true) {
this.mode = 1;
this.baseUrl = configuration.getParameter(PARAMETER_URL);
this.cocoonUrl =
configuration.getParameter(PARAMETER_COCOON_URL) +
'?' +
configuration.getParameter(PARAMETER_PARAMETER_NAME) + '=';
}
}
} catch (org.apache.avalon.framework.parameters.ParameterException local) {
throw new ProcessingException("URLRewriter: configuration exception.",
local);
}
}
/**
* Create a new rewriter
*/
public URLRewriter(Parameters configuration,
ContentHandler contentHandler)
throws ProcessingException {
this(configuration, contentHandler,
(contentHandler instanceof LexicalHandler ?
(LexicalHandler)contentHandler : null));
}
/**
* SAX Event Handling
*/
public void setDocumentLocator(Locator locator) {
contentHandler.setDocumentLocator(locator);
}
/**
* SAX Event Handling
*/
public void startDocument()
throws SAXException {
contentHandler.startDocument();
}
/**
* SAX Event Handling
*/
public void endDocument()
throws SAXException {
contentHandler.endDocument();
}
/**
* SAX Event Handling
*/
public void startPrefixMapping(String prefix, String uri)
throws SAXException {
contentHandler.startPrefixMapping(prefix,uri);
}
/**
* SAX Event Handling
*/
public void endPrefixMapping(String prefix)
throws SAXException {
contentHandler.endPrefixMapping(prefix);
}
/**
* SAX Event Handling
*/
public void startElement(String namespace, String name, String raw,
Attributes attr)
throws SAXException {
if (this.mode == 1) {
String url;
String attrname;
AttributesImpl newattr = null;
String value;
for(int i = 0; i < attr.getLength(); i++) {
attrname = attr.getLocalName(i);
if (attrname.equals("href") == true
|| attrname.equals("action") == true) {
if (newattr == null) {
newattr = new AttributesImpl(attr);
}
value = attr.getValue(i);
if (value.indexOf(':') == -1) {
try {
URL baseURL = new URL(new URL(this.baseUrl), value);
value = baseURL.toExternalForm();
} catch (MalformedURLException local) {
value = attr.getValue(i);
}
}
newattr.setValue(i, this.cocoonUrl + value);
} else if (attrname.equals("src") == true
|| attrname.equals("background") == true) {
if (newattr == null) {
newattr = new AttributesImpl(attr);
}
value = attr.getValue(i);
if (value.indexOf(':') == -1) {
try {
URL baseURL = new URL(new URL(this.baseUrl), value);
value = baseURL.toExternalForm();
} catch (MalformedURLException local) {
value = attr.getValue(i);
}
}
newattr.setValue(i, value);
}
}
if (newattr != null) {
contentHandler.startElement(namespace, name, raw, newattr);
return;
}
}
contentHandler.startElement(namespace,name,raw,attr);
}
/**
* SAX Event Handling
*/
public void endElement(String namespace, String name, String raw)
throws SAXException {
contentHandler.endElement(namespace,name,raw);
}
/**
* SAX Event Handling
*/
public void characters(char ary[], int start, int length)
throws SAXException {
contentHandler.characters(ary,start,length);
}
/**
* SAX Event Handling
*/
public void ignorableWhitespace(char ary[], int start, int length)
throws SAXException {
contentHandler.ignorableWhitespace(ary,start,length);
}
/**
* SAX Event Handling
*/
public void processingInstruction(String target, String data)
throws SAXException {
contentHandler.processingInstruction(target,data);
}
/**
* SAX Event Handling
*/
public void skippedEntity(String name)
throws SAXException {
contentHandler.skippedEntity(name);
}
/**
* SAX Event Handling
*/
public void startDTD(String name, String public_id, String system_id)
throws SAXException {
if (lexicalHandler != null)
lexicalHandler.startDTD(name,public_id,system_id);
}
/**
* SAX Event Handling
*/
public void endDTD() throws SAXException {
if (lexicalHandler != null) lexicalHandler.endDTD();
}
/**
* SAX Event Handling
*/
public void startEntity(String name) throws SAXException {
if (lexicalHandler != null) lexicalHandler.startEntity(name);
}
/**
* SAX Event Handling
*/
public void endEntity(String name) throws SAXException {
if (lexicalHandler != null) lexicalHandler.endEntity(name);
}
/**
* SAX Event Handling
*/
public void startCDATA() throws SAXException {
if (lexicalHandler != null) lexicalHandler.startCDATA();
}
/**
* SAX Event Handling
*/
public void endCDATA() throws SAXException {
if (lexicalHandler != null) lexicalHandler.endCDATA();
}
/**
* SAX Event Handling
*/
public void comment(char ary[], int start, int length)
throws SAXException {
if (this.lexicalHandler != null) {
lexicalHandler.comment(ary,start,length);
}
}
}
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