/*
* Copyright (c) 2006, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* 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.wso2.carbon.registry.resource.services.utils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.registry.core.Collection;
import org.wso2.carbon.registry.core.Resource;
import org.wso2.carbon.registry.core.RegistryConstants;
import org.wso2.carbon.registry.core.exceptions.RegistryException;
import org.wso2.carbon.registry.core.exceptions.ResourceNotFoundException;
import org.wso2.carbon.registry.core.session.UserRegistry;
import org.wso2.carbon.registry.resource.beans.ResourceTreeEntryBean;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
public class GetResourceTreeEntryUtil {
private static final Log log = LogFactory.getLog(GetResourceTreeEntryUtil.class);
public static ResourceTreeEntryBean getResourceTreeEntry(String resourcePath,
UserRegistry registry) throws Exception {
ResourceTreeEntryBean bean = new ResourceTreeEntryBean();
try {
Resource resource = null;
try {
if (!registry.resourceExists(resourcePath)) {
return null;
}
resource = registry.get(resourcePath);
if (resource == null) {
throw new Exception();
} else if (resource.getProperty("registry.absent") != null) {
throw new Exception();
}
} catch(Exception e) {
if (log.isDebugEnabled()) {
// We need to log this as an error, only if we are in debug mode. If not, this is
// not required to be known.
log.debug("[ERROR] An exception occured: ", e);
}
resource = null;
} finally {
if (resource == null) {
return null;
}
}
if (resource.getProperty(RegistryConstants.REGISTRY_LINK) != null) {
if (resource.getProperty(RegistryConstants.REGISTRY_REAL_PATH) != null) {
bean.setSymlink("remotelink");
} else {
bean.setSymlink("symlink");
}
} else {
bean.setSymlink(null);
}
if (resource instanceof Collection) {
bean.setCollection(true);
// just to filter out the dangling symlinks
String[] children = ((Collection)resource).getChildren();
List<String> filteredChilds = new ArrayList<String>();
for (String child: children) {
if (registry.resourceExists(child)) {
filteredChilds.add(child);
}
}
String[] filteredChildArr = filteredChilds.toArray(new String[filteredChilds.size()]);
bean.setChildren(filteredChildArr);
} else {
bean.setCollection(false);
}
resource.discard();
} catch (RegistryException e) {
String msg = "Failed to get the resource information of resource " + resourcePath +
" for constructing the resource tree entry. " +
((e.getCause() instanceof SQLException) ?
"" : e.getMessage());
log.error(msg, e);
throw e;
}
return bean;
}
}