content: /*
   * 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.activemq.artemis.cli.commands.queue;
  
  import org.apache.activemq.artemis.api.core.management.ManagementHelper;
  import org.apache.activemq.artemis.api.core.management.ResourceNames;
  import org.apache.activemq.artemis.cli.commands.ActionContext;
  import org.apache.activemq.artemis.cli.commands.messages.ConnectionAbstract;
  import picocli.CommandLine.Command;
  import picocli.CommandLine.Option;
  
  @Command(name = "purge", description = "Delete all messages in a queue.")
  public class PurgeQueue extends ConnectionAbstract {
  
     @Option(names = "--name", description = "The queue's name.")
     String name;
  
     @Override
     public Object execute(ActionContext context) throws Exception {
        super.execute(context);
        purgeQueue(context);
        return null;
     }
  
     private void purgeQueue(final ActionContext context) throws Exception {
        performCoreManagement(message -> {
           ManagementHelper.putOperationInvocation(message, ResourceNames.QUEUE + getName(), "removeAllMessages");
        }, reply -> {
           context.out.println("Queue " + getName() + " purged successfully.");
        }, reply -> {
           String errMsg = (String) ManagementHelper.getResult(reply, String.class);
           context.err.println("Failed to purge queue " + getName() + ". Reason: " + errMsg);
        });
     }
  
     public void setName(String name) {
        this.name = name;
     }
  
     public String getName() {
        if (name == null) {
           name = input("--name", "What is the name of the queue?", "");
        }
  
        return name;
     }
  }
  