uno.informatics.common.PrintStreamProgressMonitor Maven / Gradle / Ivy

Go to download
/*******************************************************************************
 * Copyright 2016 Guy Davenport
 *
 * 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 uno.informatics.common;

import java.io.PrintStream;

public class PrintStreamProgressMonitor implements ProgressMonitor {
    private PrintStream printStream;

    private int totalWork;
    private double workdone;
    private String name;

    private boolean canceled;

    private String subtask;

    public PrintStreamProgressMonitor(PrintStream printStream) {
        super();
        this.printStream = printStream;
    }

    @Override
    public void beginTask(String name, int totalWork) {
        printStream.println("Begin : " + name);

        this.totalWork = totalWork;
        this.name = name;
    }

    @Override
    public void done() {
        printStream.println("End : " + name);
    }

    @Override
    public void internalWorked(double work) {
        workdone = workdone + work;

        if (workdone > totalWork)
            workdone = totalWork;

        printStream.println("Worked [" + subtask + "] : " + getPercentage() + " %");
    }

    private double getPercentage() {
        return (workdone / totalWork) * 100;
    }

    @Override
    public boolean isCanceled() {
        return canceled;
    }

    @Override
    public void setCanceled(boolean canceled) {
        this.canceled = canceled;
    }

    @Override
    public void setTaskName(String name) {
        this.name = name;
    }

    @Override
    public void subTask(String name) {
        this.subtask = name;

        printStream.println("Started " + subtask + " : " + getPercentage() + " %");
    }

    @Override
    public void worked(int work) {
        workdone = workdone + work;

        if (workdone > totalWork)
            workdone = totalWork;

        printStream.println("Worked : " + (workdone / totalWork) * 100 + " %");
    }
}