TracerProbeDescriptor.java

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 *  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *  published by the Free Software Foundation.  Oracle designates this
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 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 *  version 2 for more details (a copy is included in the LICENSE file that
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package com.sun.tools.visualvm.modules.tracer;

import com.sun.tools.visualvm.core.datasupport.Positionable;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import org.openide.util.ImageUtilities;

/**
 * TracerProbeDescriptor defines how a TracerProbe appears in the Tracer UI.
 *
 * @author Jiri Sedlacek
 */
public final class TracerProbeDescriptor implements Positionable {

    private static final String IMAGE_PATH =
        "com/sun/tools/visualvm/modules/tracer/impl/resources/probe.png"; // NOI18N

    private final String name;
    private final String description;
    private final Icon icon;
    private final int preferredPosition;
    private final boolean available;


    /**
     * Creates new instance of TracerProbeDescriptor.
     *
     * @param name probe name
     * @param description probe description
     * @param icon probe icon
     * @param preferredPosition preferred position of the probe in UI
     * @param available availability of the probe in actual context
     */
    public TracerProbeDescriptor(String name, String description, Icon icon,
                                 int preferredPosition, boolean available) {
        this.name = name;
        this.description = description;
        this.icon = icon != null ? icon : new ImageIcon(ImageUtilities.loadImage(IMAGE_PATH));
        this.preferredPosition = preferredPosition;
        this.available = available;
    }


    /**
     * Returns probe name.
     *
     * @return probe name
     */
    public String getProbeName() { return name; }

    /**
     * Returns probe description.
     *
     * @return probe description
     */
    public String getProbeDescription() { return description; }

    /**
     * Returns probe icon.
     *
     * @return probe icon
     */
    public Icon getProbeIcon() { return icon; }

    /**
     * Returns preferred position of the probe in UI.
     *
     * @return preferred position of the probe in UI
     */
    public int getPreferredPosition() { return preferredPosition; }

    /**
     * Returns true if the probe is available in current context, false otherwise.
     *
     * @return true if the probe is available in current context, false otherwise
     */
    public boolean isProbeAvailable() { return available; }

}