/*
* Copyright 2002-2007 the original author or authors.
*
* 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.internna.iwebmvc.spring.i18n;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.support.ReloadableResourceBundleMessageSource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
/**
* Resource bundle that accepts widlcarding.
*
* @author Jose Noheda
* @since 2.0
*/
public class PathMatcherResourceBundleMessageSource extends ReloadableResourceBundleMessageSource implements InitializingBean {
private List<String> basePaths;
private PathMatchingResourcePatternResolver resolver;
public void setBasePath(final String path) throws IOException {
setBasePaths(Arrays.asList(path));
}
public void setBasePaths(List<String> paths) throws IOException {
this.basePaths = paths;
}
@Override public void setResourceLoader(ResourceLoader resourceLoader) {
super.setResourceLoader(resourceLoader);
if (logger.isDebugEnabled()) logger.debug("Creating pattern matcher with resource loader [" + resourceLoader.getClass() + "]");
resolver = new PathMatchingResourcePatternResolver(resourceLoader);
}
@Override public void afterPropertiesSet() throws Exception {
List<String> baseNames = new ArrayList<String>();
if ((basePaths != null) && (!basePaths.isEmpty())) {
for (String path : basePaths) {
if (!path.contains("WEB-INF")) path = "classpath*:" + path;
String actualPath = path + "/**/*.properties";
if (logger.isDebugEnabled()) logger.debug("Processing path location [" + actualPath + "]");
try {
for (Resource resource: resolver.getResources(actualPath)) {
if (!resource.getFilename().contains("_")) {
if (logger.isDebugEnabled()) logger.debug("Found resource [" + resource.getFilename() + "] URI [" + resource.getURI() + "] URL [" + resource.getURL() + "]");
baseNames.add(path.replace("*", "") + "/" + resource.getFilename().replace(".properties", ""));
}
}
} catch(Exception ex) {
if (logger.isInfoEnabled()) logger.info("Could not load i18n resources from [" + actualPath + "]: " + ex.getMessage());
}
}
}
setBasenames(baseNames.toArray(new String[baseNames.size()]));
}
}