/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2003 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://apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation", "Tapestry"
* 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"
* or "Tapestry", nor may "Apache" or "Tapestry" 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 TAPESTRY CONTRIBUTOR COMMUNITY
* 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. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.tapestry.resource;
import java.net.URL;
import java.util.Locale;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.tapestry.IResourceLocation;
import org.apache.tapestry.IResourceResolver;
import org.apache.tapestry.util.LocalizedResourceFinder;
/**
* Implementation of {@link org.apache.tapestry.IResourceLocation}
* for resources found within the classpath.
*
*
* @author Howard Lewis Ship
* @version $Id: ClasspathResourceLocation.java,v 1.3 2003/04/17 21:33:56 hlship Exp $
* @since 3.0
*
**/
public class ClasspathResourceLocation extends AbstractResourceLocation
{
private IResourceResolver _resolver;
public ClasspathResourceLocation(IResourceResolver resolver, String path)
{
super(path);
_resolver = resolver;
}
/**
* Locates the localization of the
* resource using {@link org.apache.tapestry.util.LocalizedResourceFinder}
*
**/
public IResourceLocation getLocalization(Locale locale)
{
String path = getPath();
LocalizedResourceFinder finder = new LocalizedResourceFinder(_resolver);
String localizedPath = finder.resolve(path, locale);
if (localizedPath == null)
return null;
if (path.equals(localizedPath))
return this;
return new ClasspathResourceLocation(_resolver, localizedPath);
}
/**
* Invokes {@link IResourceResolver#getResource(String)
*
**/
public URL getResourceURL()
{
return _resolver.getResource(getPath());
}
public String toString()
{
return "classpath:" + getPath();
}
public int hashCode()
{
HashCodeBuilder builder = new HashCodeBuilder(4783, 23);
builder.append(getPath());
return builder.toHashCode();
}
protected IResourceLocation buildNewResourceLocation(String path)
{
return new ClasspathResourceLocation(_resolver, path);
}
}