/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.ambari.view.commons.hdfs;
import org.apache.ambari.view.ViewContext;
import org.apache.ambari.view.commons.exceptions.NotFoundFormattedException;
import org.apache.ambari.view.commons.exceptions.ServiceFormattedException;
import org.apache.ambari.view.utils.hdfs.HdfsApi;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.io.FileNotFoundException;
import java.util.Map;
/**
* User related info service
*/
public class UserService extends HdfsService {
/**
* Constructor
* @param context View Context instance
*/
public UserService(ViewContext context) {
super(context);
}
/**
* takes context and any extra custom properties that needs to be included into config
* @param context
* @param customProperties
*/
public UserService(ViewContext context, Map<String, String> customProperties) {
super(context, customProperties);
}
/**
* Returns home directory
* @return home directory
*/
@GET
@Path("/home")
@Produces(MediaType.APPLICATION_JSON)
public Response homeDir() {
try {
HdfsApi api = getApi();
return Response
.ok(getApi().fileStatusToJSON(api.getFileStatus(api.getHomeDir()
.toString()))).build();
} catch (WebApplicationException ex) {
throw ex;
} catch (Exception ex) {
throw new ServiceFormattedException(ex.getMessage(), ex);
}
}
/**
* Is trash enabled
* @return is trash enabled
*/
@GET
@Path("/trash/enabled")
@Produces(MediaType.APPLICATION_JSON)
public Response trashEnabled() {
try {
HdfsApi api = getApi();
return Response.ok(new FileOperationResult(api.trashEnabled())).build();
} catch (WebApplicationException ex) {
throw ex;
} catch (Exception ex) {
throw new ServiceFormattedException(ex.getMessage(), ex);
}
}
/**
* Trash dir
* @return trash dir
*/
@GET
@Path("/trashDir")
@Produces(MediaType.APPLICATION_JSON)
public Response trashdir() {
try {
HdfsApi api = getApi();
return Response.ok(
getApi().fileStatusToJSON(api.getFileStatus(api.getTrashDir()
.toString()))).build();
} catch (WebApplicationException ex) {
throw ex;
} catch (FileNotFoundException ex) {
throw new NotFoundFormattedException(ex.getMessage(), ex);
} catch (Exception ex) {
throw new ServiceFormattedException(ex.getMessage(), ex);
}
}
}