DownloadEventImpl.java

/**
 * Copyright 2012-2013 Maciej Jaworski, Mariusz Kapcia, Paweł Kędzia, Mateusz Kubuszok
 *
 * <p>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</p> 
 * 
 * <p>http://www.apache.org/licenses/LICENSE-2.0</p>
 *
 * <p>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.</p>
 */
package com.autoupdater.client.download.services;

import static com.autoupdater.client.download.EDownloadStatus.*;

import com.autoupdater.client.download.EDownloadStatus;
import com.autoupdater.client.download.events.IDownloadEvent;

/**
 * Implementation of IDownloadEvent.
 * 
 * @see com.autoupdater.client.download.events.IDownloadEvent
 */
class DownloadEventImpl implements IDownloadEvent {
    private final AbstractDownloadService<?> downloadService;
    private final EDownloadStatus status;
    private final String message;
    private final Double progress;

    /**
     * Creates event for download (in progress).
     * 
     * @param downloadService
     *            service being source of event
     * @param message
     *            message to pass
     * @param progress
     *            current progress of download
     */
    DownloadEventImpl(AbstractDownloadService<?> downloadService, String message, Double progress) {
        this.downloadService = downloadService;
        this.message = message;
        this.progress = progress;
        this.status = downloadService.getStatus();
    }

    /**
     * Creates event for download after/before actual data download.
     * 
     * @param downloadService
     *            service being source of event
     * @param message
     *            message to pass
     */
    DownloadEventImpl(AbstractDownloadService<?> downloadService, String message) {
        this(downloadService, message, (downloadService.getStatus().equals(COMPLETED)
                || downloadService.getStatus().equals(PROCESSED) ? 1.0 : 0.0));
    }

    @Override
    public boolean isInProcess() {
        return status.equals(IN_PROCESS);
    }

    @Override
    public boolean isCompleted() {
        return status.equals(COMPLETED);
    }

    @Override
    public boolean isProcessed() {
        return status.equals(PROCESSED);
    }

    @Override
    public boolean isCancelled() {
        return status.equals(CANCELLED);
    }

    @Override
    public boolean isFailed() {
        return status.equals(FAILED);
    }

    @Override
    public boolean isFinished() {
        return status.isDownloadFinished();
    }

    @Override
    public String getMessage() {
        return message;
    }

    @Override
    public Double getProgress() {
        return progress;
    }

    @Override
    public AbstractDownloadService<?> getSource() {
        return downloadService;
    }

    @Override
    public EDownloadStatus getStatus() {
        return status;
    }
}