/*
*
* Copyright (C) 2007-2015 Licensed to the Comunes Association (CA) under
* one or more contributor license agreements (see COPYRIGHT for details).
* The CA licenses this file to you under the GNU Affero General Public
* License version 3, (the "License"); you may not use this file except in
* compliance with the License. This file is part of kune.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package cc.kune.core.server.rack.filters.rest;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.HashMap;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class DefaultRESTMethodFinder implements RESTMethodFinder {
private static final Log LOG = LogFactory.getLog(DefaultRESTMethodFinder.class);
private final HashMap<Class<?>, RESTServiceDefinition> definitionCache;
public DefaultRESTMethodFinder() {
this.definitionCache = new HashMap<Class<?>, RESTServiceDefinition>();
}
private boolean checkParams(final REST methodAnnotation, final Parameters parameters) {
for (final String name : methodAnnotation.params()) {
if (parameters.get(name) == null) {
return false;
}
}
return true;
}
@Override
public RESTMethod findMethod(final String methodName, final Parameters parameters,
final Class<?> serviceType) {
final RESTServiceDefinition serviceDefinition = getServiceDefinition(serviceType);
final Method[] serviceMethods = serviceDefinition.getMethods();
LOG.debug("SERVICE METHODS: " + Arrays.toString(serviceMethods));
for (final Method method : serviceMethods) {
LOG.debug("CHECKING: " + method.toString());
if (method.getName().equals(methodName)) {
final REST methodAnnotation = method.getAnnotation(REST.class);
if (checkParams(methodAnnotation, parameters)) {
return new RESTMethod(method, methodAnnotation.params(), parameters, methodAnnotation.format());
}
}
}
return null;
}
private RESTServiceDefinition getServiceDefinition(final Class<?> serviceType) {
RESTServiceDefinition serviceDefinition = definitionCache.get(serviceType);
if (serviceDefinition == null) {
serviceDefinition = new RESTServiceDefinition(serviceType);
definitionCache.put(serviceType, serviceDefinition);
}
return serviceDefinition;
}
}