/*******************************************************************************
* Copyright (c) 2008 Versant Corp.
* 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:
* Markus Kuppe (mkuppe <at> versant <dot> com) - initial API and implementation
******************************************************************************/
package org.eclipse.ecf.internal.remoteservices.ui;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.ecf.core.ContainerCreateException;
import org.eclipse.ecf.core.ContainerFactory;
import org.eclipse.ecf.core.IContainer;
import org.eclipse.ecf.core.IContainerManager;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.ecf.core.identity.IDCreateException;
import org.eclipse.ecf.core.identity.IDFactory;
import org.eclipse.ecf.discovery.IServiceInfo;
import org.eclipse.ecf.discovery.ui.DiscoveryHandlerUtil;
import org.eclipse.ecf.remoteservice.Constants;
import org.eclipse.ecf.remoteservice.IRemoteServiceContainerAdapter;
import org.eclipse.ecf.remoteservice.IRemoteServiceReference;
import org.osgi.framework.InvalidSyntaxException;
public class RemoteServiceHandlerUtil {
public static IRemoteServiceContainerAdapter getActiveIRemoteServiceContainerAdapterChecked(
ExecutionEvent event) throws ExecutionException {
final ID activeConnectId = getActiveConnectIDChecked(event);
final IContainer container = getContainerWithConnectID(activeConnectId);
if (container == null) {
return null;
}
final IRemoteServiceContainerAdapter adapter = (IRemoteServiceContainerAdapter) container
.getAdapter(IRemoteServiceContainerAdapter.class);
return adapter;
}
public static IRemoteServiceReference[] getActiveIRemoteServiceReferencesChecked(
ExecutionEvent event) throws ExecutionException {
final IServiceInfo serviceInfo = DiscoveryHandlerUtil
.getActiveIServiceInfoChecked(event);
final IRemoteServiceContainerAdapter adapter = getActiveIRemoteServiceContainerAdapterChecked(event);
try {
return getRemoteServiceReferencesForRemoteServiceAdapter(adapter,
serviceInfo);
} catch (IDCreateException e) {
throw new ExecutionException(e.getMessage(), e);
} catch (InvalidSyntaxException e) {
throw new ExecutionException(e.getMessage(), e);
}
}
public static ID getActiveConnectIDChecked(ExecutionEvent event)
throws ExecutionException {
final IServiceInfo serviceInfo = DiscoveryHandlerUtil
.getActiveIServiceInfoChecked(event);
final String connectNamespace = getConnectNamespace(serviceInfo);
final String connectId = getConnectID(serviceInfo);
try {
return IDFactory.getDefault().createID(connectNamespace, connectId);
} catch (IDCreateException e) {
throw new ExecutionException(e.getMessage(), e);
}
}
public static IContainer getActiveIRemoteServiceContainerChecked(
ExecutionEvent event) throws ExecutionException {
final IServiceInfo serviceInfo = DiscoveryHandlerUtil
.getActiveIServiceInfoChecked(event);
final ID createConnectId = getActiveConnectIDChecked(event);
final IContainer container = getContainerWithConnectID(createConnectId);
if (container != null) {
return container;
}
// TODO remove parameters once
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=256586 is fixed
final Object[] parameters = new Object[] { createConnectId };
try {
// If it's not there and already connected then create and return
// new one
return ContainerFactory.getDefault().createContainer(
getContainerFactory(serviceInfo), parameters);
} catch (ContainerCreateException e) {
throw new ExecutionException(e.getMessage(), e);
}
}
// TODO push this functionality down into the ContainerManager
private static IContainer getContainerWithConnectID(ID aConnectedID) {
final IContainerManager containerManager = Activator.getDefault()
.getContainerManager();
final IContainer[] containers = containerManager.getAllContainers();
if (containers == null) {
return null;
}
for (int i = 0; i < containers.length; i++) {
ID connectedId = containers[i].getConnectedID();
if (connectedId != null && connectedId.equals(aConnectedID)) {
return containers[i];
}
}
return null;
}
private static IRemoteServiceReference[] getRemoteServiceReferencesForRemoteServiceAdapter(
IRemoteServiceContainerAdapter adapter, IServiceInfo serviceInfo)
throws InvalidSyntaxException, IDCreateException {
ID serviceID = null;
final String serviceNamespace = getServiceNamespace(serviceInfo);
final String serviceid = getServiceID(serviceInfo);
if (serviceNamespace != null && serviceid != null) {
serviceID = IDFactory.getDefault().createID(serviceNamespace,
serviceid);
}
final ID[] targets = (serviceID == null) ? null
: new ID[] { serviceID };
return adapter.getRemoteServiceReferences(targets,
getRemoteServiceClass(serviceInfo), null);
}
private static String getServiceNamespace(IServiceInfo serviceInfo) {
return serviceInfo.getServiceProperties().getPropertyString(
Constants.SERVICE_IDFILTER_NAMESPACE);
}
private static String getServiceID(IServiceInfo serviceInfo) {
return serviceInfo.getServiceProperties().getPropertyString(
Constants.SERVICE_IDFILTER_ID);
}
private static String getRemoteServiceClass(IServiceInfo serviceInfo) {
return serviceInfo.getServiceProperties().getPropertyString(
Constants.SERVICE_OBJECTCLASS);
}
private static String getFilter(IServiceInfo serviceInfo) {
return serviceInfo.getServiceProperties().getPropertyString(
Constants.SERVICE_FILTER_PROPERTY);
}
private static String getConnectNamespace(IServiceInfo serviceInfo) {
return serviceInfo.getServiceProperties().getPropertyString(
Constants.SERVICE_CONNECT_ID_NAMESPACE);
}
private static String getConnectID(IServiceInfo serviceInfo) {
return serviceInfo.getServiceProperties().getPropertyString(
Constants.SERVICE_CONNECT_ID);
}
private static String getContainerFactory(IServiceInfo serviceInfo) {
return serviceInfo.getServiceProperties().getPropertyString(
Constants.SERVICE_CONTAINER_FACTORY_NAME);
}
}