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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
* particular file as subject to the "Classpath" exception as provided
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* 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
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
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package com.sun.tools.visualvm.core.snapshot;
import com.sun.tools.visualvm.core.datasource.descriptor.DataSourceDescriptor;
import java.awt.Image;
import java.io.File;
/**
* Abstract implementation of DataSourceDescriptor for snapshots.
*
* @author Jiri Sedlacek
*/
public abstract class SnapshotDescriptor<X extends Snapshot> extends DataSourceDescriptor<X> {
/**
* Creates new instance of SnapshotDescriptor.
*
* @param snapshot Snapshot for the descriptor.
* @param icon icon for the Snapshot.
*/
public SnapshotDescriptor(X snapshot, Image icon) {
this(snapshot, null, icon);
}
/**
* Creates new instance of SnapshotDescriptor.
*
* @param snapshot Snapshot for the descriptor.
* @param description description of the snapshot
* @param icon icon for the Snapshot.
*
* @since VisualVM 1.3
*/
public SnapshotDescriptor(X snapshot, String description, Image icon) {
super(snapshot, resolveSnapshotName(snapshot), description, icon,
resolvePosition(snapshot, POSITION_AT_THE_END, snapshot.
isInSnapshot()), EXPAND_NEVER);
}
/**
* Creates new instance of SnapshotDescriptor.
*
* @param snapshot snapshot.
* @param name snapshot name.
* @param description snapshot description.
* @param icon snapshot icon.
* @param position snapshot position.
* @param autoExpansionPolicy snapshot expansion policy.
*
* @since VisualVM 1.3
*/
public SnapshotDescriptor(X snapshot, String name, String description,
Image icon, int position, int autoExpansionPolicy) {
super(snapshot, name, description, icon, position, autoExpansionPolicy);
}
/**
* Returns Snapshot name if available in Snapshot Storage as PROPERTY_NAME
* or generates new name using Snapshot's Category.
*
* @param snapshot Snapshot for which to resolve the name
* @return persisted Snapshot name if available or new generated name
*
* @since VisualVM 1.3
*/
protected static String resolveSnapshotName(Snapshot snapshot) {
String persistedName = resolveName(snapshot, null);
if (persistedName != null) return persistedName;
File file = snapshot.getFile();
if (file == null) return snapshot.toString();
String fileName = file.getName();
SnapshotCategory category = snapshot.getCategory();
String name = "[" + category.getPrefix() + "] " + fileName; // NOI18N
if (category.isSnapshot(file)) {
String timeStamp = category.getTimeStamp(fileName);
if (timeStamp != null) name = "[" + category.getPrefix() + "] " + timeStamp; // NOI18N
}
return name;
}
/**
* Returns true if the snapshot can be renamed from UI, false otherwise.
*
* @return true if the snapshot can be renamed from UI, false otherwise
*/
public boolean supportsRename() {
return true;
}
public boolean providesProperties() {
return true;
}
}