/*
* Copyright 2011-2013 HTTL Team.
*
* 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 httl.spi.loaders;
import httl.Resource;
import httl.spi.Loader;
import httl.spi.loaders.resources.ClasspathResource;
import httl.util.UrlUtils;
import java.io.IOException;
import java.util.List;
import java.util.Locale;
/**
* ClasspathLoader. (SPI, Singleton, ThreadSafe)
*
* @see httl.spi.engines.DefaultEngine#setLoader(Loader)
*
* @author Liang Fei (liangfei0201 AT gmail DOT com)
*/
public class ClasspathLoader extends AbstractLoader {
public List<String> doList(String directory, String suffix) throws IOException {
return UrlUtils.listUrl(Thread.currentThread().getContextClassLoader().getResource(cleanPath(directory)), suffix);
}
protected Resource doLoad(String name, Locale locale, String encoding, String path) throws IOException {
return new ClasspathResource(getEngine(), name, locale, encoding, cleanPath(path));
}
public boolean doExists(String name, Locale locale, String path) throws IOException {
return Thread.currentThread().getContextClassLoader().getResource(cleanPath(path)) != null;
}
private String cleanPath(String path) {
return path.startsWith("/") ? path.substring(1) : path;
}
}