DefaultNodePathResolver.java

package fr.acxio.tools.agia.alfresco;

/*
 * Copyright 2014 Acxio
 * 
 * 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.
 */

import java.rmi.RemoteException;

import org.alfresco.webservice.repository.RepositoryFault;
import org.alfresco.webservice.repository.RepositoryServiceSoapBindingStub;
import org.alfresco.webservice.types.Node;
import org.alfresco.webservice.types.Predicate;
import org.alfresco.webservice.types.Reference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.CachePut;
import org.springframework.cache.annotation.Cacheable;

/**
 * <p>
 * Resolves nodes from their paths, and cache paths and nodes.
 * </p>
 * 
 * @author pcollardez
 *
 */
public class DefaultNodePathResolver implements NodePathResolver {

    private static final Logger LOGGER = LoggerFactory.getLogger(DefaultNodePathResolver.class);

    private static final String CACHE_KEY = "#sPath";
    private static final String CACHE_NAME = "rnodes";

    @Override
    @Cacheable(value = CACHE_NAME, key = CACHE_KEY)
    public Node[] getRepositoryMatchingNodes(RepositoryServiceSoapBindingStub sRepositoryService, String sPath) throws NodePathException {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Calling Alfresco for path: " + sPath);
        }
        Reference reference = new Reference(AlfrescoServicesConsumer.STORE, null, sPath);
        Predicate predicate = new Predicate(new Reference[] { reference }, null, null);
        Node[] nodes = null;
        try {
            nodes = sRepositoryService.get(predicate);
        } catch (RepositoryFault e) {
            nodes = null;
        } catch (RemoteException e) {
            throw new NodePathException(e);
        }
        return nodes;
    }

    @Override
    @CachePut(value = CACHE_NAME, key = CACHE_KEY)
    public Node[] setLocalMatchingNodes(String sPath, Node[] sNodes) throws NodePathException {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Set local for Alfresco path: " + sPath);
        }
        return sNodes;
    }

    @Override
    @CacheEvict(value = CACHE_NAME)
    public void evictRepositoryNode(String sPath) {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Evict Alfresco path: " + sPath);
        }
    }

    @Override
    @CacheEvict(value = CACHE_NAME, allEntries = true)
    public void evictRepositoryNodes() {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Evict all Alfresco pathes");
        }
    }

}