de.femodeling.e4.ui.progress.internal.ErrorInfo.java Source code

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Here is the source code for de.femodeling.e4.ui.progress.internal.ErrorInfo.java

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/*******************************************************************************
 * Copyright (c) 2003, 2007 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package de.femodeling.e4.ui.progress.internal;

import com.ibm.icu.text.DateFormat;
import java.util.Date;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.graphics.Image;

/**
 * ErrorInfo is the info that displays errors.
 */
public class ErrorInfo extends JobTreeElement {

    private final IStatus errorStatus;

    private final Job job;

    private final long timestamp;

    /**
     * Create a new instance of the receiver.
     * 
     * @param status
     * @param job
     *            The Job to create
     */
    public ErrorInfo(IStatus status, Job job) {
        errorStatus = status;
        this.job = job;
        timestamp = System.currentTimeMillis();
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.ui.internal.progress.JobTreeElement#hasChildren()
     */
    boolean hasChildren() {
        return false;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.ui.internal.progress.JobTreeElement#getChildren()
     */
    Object[] getChildren() {
        return ProgressManagerUtil.EMPTY_OBJECT_ARRAY;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.ui.internal.progress.JobTreeElement#getDisplayString()
     */
    String getDisplayString() {
        return NLS.bind(ProgressMessages.JobInfo_Error, (new Object[] { job.getName(),
                DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG).format(new Date(timestamp)) }));
    }

    /**
     * Return the image for the receiver.
     * 
     * @return Image
     */
    Image getImage() {
        return JFaceResources.getImage(ProgressManager.ERROR_JOB_KEY);
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.ui.internal.progress.JobTreeElement#isJobInfo()
     */
    boolean isJobInfo() {
        return false;
    }

    /**
     * Return the current status of the receiver.
     * 
     * @return IStatus
     */
    IStatus getErrorStatus() {
        return errorStatus;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.ui.internal.progress.JobTreeElement#isActive()
     */
    boolean isActive() {
        return true;
    }

    /**
     * Return the job that generated the error.
     * 
     * @return the job that generated the error
     */
    public Job getJob() {
        return job;
    }

    /**
     * Return the timestamp for the job.
     * 
     * @return long
     */
    public long getTimestamp() {
        return timestamp;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.ui.internal.progress.JobTreeElement#compareTo(java.lang.Object)
     */
    public int compareTo(Object arg0) {
        if (arg0 instanceof ErrorInfo) {
            // Order ErrorInfo by time received
            long otherTimestamp = ((ErrorInfo) arg0).timestamp;
            if (timestamp < otherTimestamp) {
                return -1;
            } else if (timestamp > otherTimestamp) {
                return 1;
            } else {
                return 0;
            }
        }
        return super.compareTo(arg0);
    }
}