huber 2003/01/06 13:54:30
Added: src/scratchpad/src/org/apache/cocoon/matching
RegexpURIDefaultsMatcher.java
Log:
initial version of extension of regexp uri matcher
Revision Changes Path
1.1
xml-cocoon2/src/scratchpad/src/org/apache/cocoon/matching/RegexpURIDefaultsMatcher.java
Index: RegexpURIDefaultsMatcher.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.matching;
import java.util.HashMap;
import java.util.Map;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.cocoon.environment.ObjectModelHelper;
import org.apache.regexp.RE;
import org.apache.regexp.REProgram;
/**
* Matches the request URIs against a regular expression pattern.
*
*@author <a href="mailto:[EMAIL PROTECTED]";>Bernhard Huber</a>
*@created 03. Jänner 2003
*@version CVS $Id: RegexpURIDefaultsMatcher.java,v 1.1 2003/01/06 21:54:29 huber
Exp $
*/
public class RegexpURIDefaultsMatcher extends AbstractRegexpMatcher {
/**
* Match the prepared pattern against the value returned by {@link
#getMatchString(Map, Parameters)}.
*
*@param preparedPattern Description of the Parameter
*@param objectModel Description of the Parameter
*@param parameters Description of the Parameter
*@return Description of the Return Value
*/
public Map preparedMatch(Object preparedPattern, Map objectModel, Parameters
parameters) {
RE re = new RE((REProgram) preparedPattern);
String match = getMatchString(objectModel, parameters);
if (match == null) {
return null;
}
if (re.match(match)) {
/* Handle parenthesised subexpressions. XXX: could be faster if we count
* parens *outside* the generated code.
* Note: *ONE* based, not zero, zero contains complete match
*/
int parenCount = re.getParenCount();
Map map = new HashMap();
// set defaults
mapDefaults(parameters, map);
// override default by matching values
for (int paren = 0; paren <= parenCount; paren++) {
getLogger().debug("Matched " +
String.valueOf(Integer.toString(paren)) + " " +
String.valueOf(re.getParen(paren)));
map.put(Integer.toString(paren), re.getParen(paren));
}
return map;
}
return null;
}
/**
* Return the request URI.
*
*@param objectModel Description of the Parameter
*@param parameters Description of the Parameter
*@return The matchString value
*/
protected String getMatchString(Map objectModel, Parameters parameters) {
String uri = ObjectModelHelper.getRequest(objectModel).getSitemapURI();
if (uri.startsWith("/")) {
uri = uri.substring(1);
}
return uri;
}
/*
pattern: ([a-z]+)(\(([0-9]+)+\))?
map-default:2 "(1)"
map-default:3 "1"
*/
/**
* Description of the Method
*
*@param parameters Description of the Parameter
*@param map Description of the Parameter
*/
protected void mapDefaults(Parameters parameters, Map map) {
String[] parameterNames = parameters.getNames();
final String MAP_DEFAULT_PREFIX = "map-default:";
final int MAP_DEFAULT_PREFIX_LENGTH = MAP_DEFAULT_PREFIX.length();
for (int i = 0; i < parameterNames.length; i++) {
if (parameterNames[i].startsWith(MAP_DEFAULT_PREFIX)) {
String entry = parameterNames[i];
String defaultEntry = entry.substring(MAP_DEFAULT_PREFIX_LENGTH);
String defaultValue = parameters.getParameter(entry, null);
if (defaultValue != null) {
getLogger().debug("Setting " +
"defaultEntry " + String.valueOf(defaultEntry) + ", " +
"defaultValue " + String.valueOf(defaultValue));
map.put(defaultEntry, defaultValue);
}
}
}
}
}
----------------------------------------------------------------------
In case of troubles, e-mail: [EMAIL PROTECTED]
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
