Package org.apache.hadoop.gateway.shell.hdfs

Source Code of org.apache.hadoop.gateway.shell.hdfs.Rm

/**
* 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.hadoop.gateway.shell.hdfs;

import org.apache.hadoop.gateway.shell.AbstractRequest;
import org.apache.hadoop.gateway.shell.EmptyResponse;
import org.apache.hadoop.gateway.shell.Hadoop;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.utils.URIBuilder;

import java.io.IOException;
import java.util.concurrent.Callable;

class Rm {

  static class Request extends AbstractRequest<Response> {

    String file;
    Boolean recursive;

    Request( Hadoop hadoop ) {
      super( hadoop );
    }

    public Request file( String file ) {
      this.file = file;
      return this;
    }

    public Request recursive( Boolean recursive ) {
      this.recursive = recursive;
      return this;
    }

    public Request recursive() {
      return recursive( true );
    }

    public Callable<Response> callable() {
      return new Callable<Response>() {
        @Override
        public Response call() throws Exception {
          URIBuilder uri = uri( Hdfs.SERVICE_PATH, file );
          addQueryParam( uri, "op", "DELETE" );
          addQueryParam( uri, "recursive", recursive );
          HttpDelete request = new HttpDelete( uri.build() );
          return new Response( execute( request ) );
        }
      };
    }

  }

  static class Response extends EmptyResponse {

    Response( HttpResponse response ) throws IOException {
      super( response );
    }

  }

}
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