/**
* Copyright [2013] [www.cuubez.com]
* 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 com.cuubez.core.resource;
import com.cuubez.core.exception.CuubezException;
import com.cuubez.core.resource.metaData.PathMetaData;
import com.cuubez.core.resource.metaData.SelectedResourceMetaData;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.util.LinkedList;
import java.util.List;
public class ResourceRepository {
private static Log log = LogFactory.getLog(ResourceRepository.class);
private List<RootResource> rootResources = null;
private static ResourceRepository instance = null;
public static ResourceRepository getInstance() {
if(instance == null) {
log.trace("resource repository created");
instance = new ResourceRepository();
}
return instance;
}
private ResourceRepository() {
super();
this.rootResources = new LinkedList<RootResource>();
}
public void addRootResource(RootResource rootResource) {
this.rootResources.add(rootResource);
}
public SelectedResourceMetaData findResource(String path, String httpMethod) throws CuubezException {
if (rootResources == null || path == null || httpMethod == null) {
log.trace("resource not found");
throw new CuubezException(CuubezException.RESOURCE_NOT_FOUND);
}
for (RootResource rootResource : rootResources) {
PathMetaData rootPathMetaData = rootResource.getUriTemplate().match(path);
if (rootPathMetaData != null) {
log.trace("root resource found");
List<SubResource> subResources = rootResource.getSubResources();
for (SubResource subResource : subResources) {
PathMetaData subPathMetaData = null;
if (subResource.getUriTemplate() != null) {
subPathMetaData = subResource.getUriTemplate().match(rootPathMetaData.getTail());
}
if(subPathMetaData != null) {
String subResourceHttpMethod = subResource.getMethodMetaData().getHttpMethod();
if (subResourceHttpMethod.equals(httpMethod)) {
SelectedResourceMetaData selectedResourceMetaData = new SelectedResourceMetaData();
selectedResourceMetaData.setSelectedMethodMetaData(subResource.getMethodMetaData());
selectedResourceMetaData.addPathVariableMetaData(rootPathMetaData.getPathVariables());
selectedResourceMetaData.addPathVariableMetaData(subPathMetaData.getPathVariables());
log.trace("sub resource found");
return selectedResourceMetaData;
}
}
}
}
}
log.trace("resource not found");
throw new CuubezException(CuubezException.RESOURCE_NOT_FOUND);
}
}