rampart_1_1/modules/samples/deprecated/amazonqs/src/sample/amazon/amazonSimpleQueueService/util/SimpleQueueDeleteQueueCallbackHandler.java

/*
 * Copyright 2004,2005 The Apache Software Foundation.
 *
 * 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 sample.amazon.amazonSimpleQueueService.util;

import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMNode;
import org.apache.axiom.soap.SOAPBody;
import org.apache.axis2.client.async.AsyncResult;
import org.apache.axis2.client.async.Callback;

import javax.swing.*;
import java.util.Iterator;

/**
 * Callback class which deals with the outcome of the operation
 */
public class SimpleQueueDeleteQueueCallbackHandler extends Callback {
    private String returnString = "";
    JTextArea results;
    JButton button;

    public SimpleQueueDeleteQueueCallbackHandler() {
    }//defalut handler

    public SimpleQueueDeleteQueueCallbackHandler(JTextArea results,
                                                 JButton button) {
        super();
        this.results = results;
        this.button = button;
    }

    public void onComplete(AsyncResult result) {
        SOAPBody body = result.getResponseEnvelope().getBody();
        this.getQueueDeleteStatus(body);
        this.button.setText("Delete Queue");
    }

    public void onError(Exception e) {

    }

    private void getQueueDeleteStatus(OMElement element) {
        Iterator iterator = element.getChildren();
        while (iterator.hasNext()) {
            OMNode omNode = (OMNode) iterator.next();
            if (omNode.getType() == OMNode.ELEMENT_NODE) {
                OMElement omElement = (OMElement) omNode;
                if (omElement.getLocalName().equals("Status")) {
                    this.readTheQueue(omElement);
                } else {
                    getQueueDeleteStatus(omElement);
                }
            }
        }
    }

    private void readTheQueue(OMElement element) {
        if (element.getText().equals("Errors")) {
            returnString += "Queue can't be deleted, it has to be dequeued first" +
                    "\n";
        } else {
            returnString += "Queue is deleted" + "\n";
        }
        this.results.setText(returnString + "\n");
    }
}