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package org.eclipse.ecf.internal.examples.remoteservices.client;
import java.io.NotSerializableException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.ecf.core.IContainer;
import org.eclipse.ecf.discovery.ui.handlers.AbstractRemoteServiceAccessHandler;
import org.eclipse.ecf.examples.remoteservices.common.IRemoteEnvironmentInfo;
import org.eclipse.ecf.remoteservice.IRemoteCall;
import org.eclipse.ecf.remoteservice.IRemoteCallListener;
import org.eclipse.ecf.remoteservice.IRemoteService;
import org.eclipse.ecf.remoteservice.IRemoteServiceContainerAdapter;
import org.eclipse.ecf.remoteservice.IRemoteServiceReference;
import org.eclipse.ecf.remoteservice.events.IRemoteCallCompleteEvent;
import org.eclipse.ecf.remoteservice.events.IRemoteCallEvent;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IContributionItem;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Display;
public class RemoteEnvironmentInfoServiceAccessHandler extends AbstractRemoteServiceAccessHandler {
public RemoteEnvironmentInfoServiceAccessHandler() {
}
protected List getRemoteServiceContainerAdapters() {
final List results = new ArrayList();
final IContainer container = Activator.getDefault().getConnectedContainer();
if (container == null)
return results;
// If it's not connected already, then return empty list
if (container.getConnectedID() == null)
return results;
final IRemoteServiceContainerAdapter adapter = (IRemoteServiceContainerAdapter) container.getAdapter(IRemoteServiceContainerAdapter.class);
// If namespaces match and there's an adapter then add it to list
if (container.getConnectNamespace().getName().equals(getConnectNamespace()) && adapter != null)
results.add(adapter);
return results;
}
protected IRemoteCall createGetPropertyRemoteCall() throws ClassNotFoundException, NotSerializableException {
IRemoteEnvironmentInfo.class.getDeclaredMethods();
final InputDialog input = new InputDialog(null, "Get property", "Enter key", "user.name", null);
input.setBlockOnOpen(true);
final Object[] params = new Object[1];
if (input.open() == Window.OK) {
params[0] = input.getValue();
return new IRemoteCall() {
public String getMethod() {
return "getProperty";
}
public Object[] getParameters() {
return params;
}
public long getTimeout() {
return 30000;
}
};
} else
return null;
}
protected void showResult(final Object result) {
final Object display = (result != null && result.getClass().isArray()) ? Arrays.asList((Object[]) result) : result;
Display.getDefault().asyncExec(new Runnable() {
public void run() {
MessageDialog.openInformation(null, "Received Response", NLS.bind("{0}", display));
}
});
}
protected void showException(final Throwable t) {
Display.getDefault().asyncExec(new Runnable() {
public void run() {
MessageDialog.openInformation(null, "Received Exception", NLS.bind("Exception: {0}", t.getLocalizedMessage()));
}
});
}
protected IContributionItem[] getContributionItemsForService(final IRemoteServiceContainerAdapter adapter) {
final String className = getRemoteServiceClass();
if (className == null)
return NOT_AVAILABLE_CONTRIBUTION;
else if (className.equals(IRemoteEnvironmentInfo.class.getName()))
return getContributionItemsForRemoteEnvironmentService(adapter);
else
return NOT_AVAILABLE_CONTRIBUTION;
}
private IContributionItem createContributionItem(final IRemoteService remoteService, final int invokeMode) {
final IAction action = new Action() {
public void run() {
try {
final IRemoteCall remoteCall = createGetPropertyRemoteCall();
if (remoteCall != null) {
switch (invokeMode) {
// callSynch
case 0 :
showResult(remoteService.callSynch(remoteCall));
break;
// callAsynch (listener)
case 1 :
remoteService.callAsynch(remoteCall, new IRemoteCallListener() {
public void handleEvent(IRemoteCallEvent event) {
if (event instanceof IRemoteCallCompleteEvent) {
IRemoteCallCompleteEvent complete = (IRemoteCallCompleteEvent) event;
if (complete.hadException()) {
showException(complete.getException());
} else
showResult(complete.getResponse());
}
}
});
break;
// callAsynch (future)
case 2 :
showResult(remoteService.callAsynch(remoteCall).get());
break;
// proxy
case 3 :
IRemoteEnvironmentInfo proxy = (IRemoteEnvironmentInfo) remoteService.getProxy();
showResult(proxy.getProperty((String) remoteCall.getParameters()[0]));
break;
}
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
};
switch (invokeMode) {
case 0 :
action.setText("getProperty (synch)");
break;
case 1 :
action.setText("getProperty (async)");
break;
case 2 :
action.setText("getProperty (future)");
break;
case 3 :
action.setText("getProperty (proxy)");
break;
}
return new ActionContributionItem(action);
}
/**
* @param adapter
* @return
*/
private IContributionItem[] getContributionItemsForRemoteEnvironmentService(final IRemoteServiceContainerAdapter adapter) {
try {
final IRemoteServiceReference[] references = getRemoteServiceReferences(adapter);
if (references == null)
return NOT_AVAILABLE_CONTRIBUTION;
final IRemoteService remoteService = adapter.getRemoteService(references[0]);
return new IContributionItem[] {createContributionItem(remoteService, 0), createContributionItem(remoteService, 1), createContributionItem(remoteService, 2), createContributionItem(remoteService, 3)};
} catch (final Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
return NOT_AVAILABLE_CONTRIBUTION;
}
}
}
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