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package org.netbeans.modules.consumervisualvm.engine;
import java.util.Collection;
import java.util.LinkedList;
import javax.swing.SwingUtilities;
import org.netbeans.api.autoupdate.OperationContainer;
import org.netbeans.api.autoupdate.OperationException;
import org.netbeans.api.autoupdate.OperationSupport;
import org.netbeans.api.autoupdate.UpdateElement;
import org.netbeans.api.progress.ProgressHandle;
import org.netbeans.api.progress.ProgressHandleFactory;
import org.openide.util.Exceptions;
import org.openide.util.NbBundle;
import org.openide.util.RequestProcessor;
/**
*
* @author Jirka Rechtacek
*/
public class ModulesActivator {
private Collection<UpdateElement> modules4enable;
private RequestProcessor.Task enableTask = null;
private OperationContainer<OperationSupport> enableContainer;
public ModulesActivator (Collection<UpdateElement> modules) {
if (modules == null || modules.isEmpty ()) {
throw new IllegalArgumentException ("Cannot construct ModulesActivator with null or empty Collection " + modules);
}
modules4enable = modules;
}
public RequestProcessor.Task getEnableTask () {
if (enableTask == null) {
enableTask = createEnableTask ();
}
return enableTask;
}
private RequestProcessor.Task createEnableTask () {
assert enableTask == null || enableTask.isFinished () : "The Enable Task cannot be started nor scheduled.";
enableTask = RequestProcessor.getDefault ().create (doEnable);
return enableTask;
}
private Runnable doEnable = new Runnable () {
public void run() {
enableModules ();
}
};
private void enableModules () {
try {
doEnableModules ();
} catch (Exception x) {
Exceptions.printStackTrace (x);
}
}
private void doEnableModules () throws OperationException {
assert ! SwingUtilities.isEventDispatchThread () : "Cannot be called in EQ.";
enableContainer = null;
for (UpdateElement module : modules4enable) {
if (enableContainer == null) {
enableContainer = OperationContainer.createForEnable ();
}
if (enableContainer.canBeAdded (module.getUpdateUnit (), module)) {
enableContainer.add (module);
}
}
if (enableContainer.listAll ().isEmpty ()) {
return ;
}
assert enableContainer.listInvalid ().isEmpty () :
"No invalid Update Elements " + enableContainer.listInvalid ();
if (! enableContainer.listInvalid ().isEmpty ()) {
throw new IllegalArgumentException ("Some are invalid for enable: " + enableContainer.listInvalid ());
}
OperationSupport enableSupport = enableContainer.getSupport ();
ProgressHandle enableHandle = ProgressHandleFactory.createHandle (
getBundle ("ModulesActivator_Enable",
presentUpdateElements (FindComponentModules.getVisibleUpdateElements (modules4enable))));
enableSupport.doOperation (enableHandle);
}
public static String presentUpdateElements (Collection<UpdateElement> elems) {
String res = "";
for (UpdateElement el : new LinkedList<UpdateElement> (elems)) {
res += res.length () == 0 ? el.getDisplayName () : ", " + el.getDisplayName (); // NOI18N
}
return res;
}
private static String getBundle (String key, Object... params) {
return NbBundle.getMessage (ModulesActivator.class, key, params);
}
}