com.sec.ose.osi.thread.ui_related.UserCommandExecutionMonitorThread.java Source code

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Here is the source code for com.sec.ose.osi.thread.ui_related.UserCommandExecutionMonitorThread.java

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/**
 * Copyright(C) 2013-2014 Samsung Electronics Co., Ltd. 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 com.sec.ose.osi.thread.ui_related;

import javax.swing.SwingWorker;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.sec.ose.osi.thread.ui_related.data.message.UIResponseObserver;
import com.sec.ose.osi.ui.dialog.ProgressDisplayer;

/**
 * UserCommandExecutionMonitorThread
 * @author suhyun47.kim, hankido.lee
 * 
 */
public class UserCommandExecutionMonitorThread extends SwingWorker<Object, Object> {
    private static Log log = LogFactory.getLog(UserCommandExecutionMonitorThread.class);

    private static final long TIME_INTERVAL = 25;

    private ProgressDisplayer mProgressDisplayer;
    private UIResponseObserver mObserver;

    private long startTime;
    private boolean isContinue = true;

    public UserCommandExecutionMonitorThread(ProgressDisplayer dlgProgress, UIResponseObserver pObserver) {
        super();
        mProgressDisplayer = dlgProgress;
        mObserver = pObserver;
    }

    long cnt = 0;
    final long PRINT_TERM = 500 / TIME_INTERVAL;

    @Override
    protected Object doInBackground() throws Exception {

        String message = "";
        startTime = System.currentTimeMillis();

        while (isContinue == true) {

            // 0. precondition checking
            if (mObserver == null || mProgressDisplayer == null)
                break;

            // 1. get message from observer
            // 2. calculate elapsed time 
            cnt++;
            if (mObserver.hasMoreMessage()) {
                message = mObserver.popMessage();

                this.mProgressDisplayer.setProgressMessage(message);
            }

            long elapsedTime = (System.currentTimeMillis() - startTime);

            // 3. make message displayed at JDlgProgress 

            this.mProgressDisplayer.setElapsedTime(elapsedTime);

            // 4. sleep
            try {
                Thread.sleep(TIME_INTERVAL);
            } catch (InterruptedException e) {
                log.warn(e);
            }

        }
        return null;
    }

    @Override
    protected void done() {
        super.done();

        while (mObserver.hasMoreMessage()) {
            String message = mObserver.popMessage();
            this.mProgressDisplayer.setProgressMessage(message);
        }

        if (this.mProgressDisplayer != null) {
            this.mProgressDisplayer.close();
            this.mProgressDisplayer = null;
        }
    }

    public void setIsContinue(boolean pIsContinue) {
        this.isContinue = pIsContinue;
    }
}