| // Copyright 2004 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| 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.LocalizedResource; |
| import org.apache.tapestry.util.LocalizedResourceFinder; |
| |
| /** |
| * Implementation of {@link org.apache.tapestry.IResourceLocation} |
| * for resources found within the classpath. |
| * |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 3.0 |
| * |
| **/ |
| |
| public class ClasspathResourceLocation extends AbstractResourceLocation |
| { |
| private IResourceResolver _resolver; |
| |
| public ClasspathResourceLocation(IResourceResolver resolver, String path) |
| { |
| this(resolver, path, null); |
| } |
| |
| public ClasspathResourceLocation(IResourceResolver resolver, String path, Locale locale) |
| { |
| super(path, locale); |
| |
| _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); |
| |
| LocalizedResource localizedResource = finder.resolve(path, locale); |
| |
| if (localizedResource == null) |
| return null; |
| |
| String localizedPath = localizedResource.getResourcePath(); |
| Locale pathLocale = localizedResource.getResourceLocale(); |
| |
| if (localizedPath == null) |
| return null; |
| |
| if (path.equals(localizedPath)) |
| return this; |
| |
| return new ClasspathResourceLocation(_resolver, localizedPath, pathLocale); |
| } |
| |
| /** |
| * 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); |
| } |
| |
| } |