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authorUwe Stieber2011-12-14 09:11:03 +0000
committerUwe Stieber2011-12-14 09:11:03 +0000
commit3feceeebed629568a597abc1a2526fa3b0b8ecff (patch)
tree5c1eb2f87b9e847eab92c16219eb2fe5d1fca8d8 /target_explorer/plugins/org.eclipse.tcf.te.tcf.core.scripting/src/org/eclipse/tcf/te/tcf/core/scripting/launcher
parentdd980d901b6e2501640d1c732776d4baed021752 (diff)
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Target Explorer: Added scripting core plugin and updated features
Diffstat (limited to 'target_explorer/plugins/org.eclipse.tcf.te.tcf.core.scripting/src/org/eclipse/tcf/te/tcf/core/scripting/launcher')
-rw-r--r--target_explorer/plugins/org.eclipse.tcf.te.tcf.core.scripting/src/org/eclipse/tcf/te/tcf/core/scripting/launcher/ScriptLauncher.java245
1 files changed, 245 insertions, 0 deletions
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.tcf.core.scripting/src/org/eclipse/tcf/te/tcf/core/scripting/launcher/ScriptLauncher.java b/target_explorer/plugins/org.eclipse.tcf.te.tcf.core.scripting/src/org/eclipse/tcf/te/tcf/core/scripting/launcher/ScriptLauncher.java
new file mode 100644
index 000000000..24b4cb2d1
--- /dev/null
+++ b/target_explorer/plugins/org.eclipse.tcf.te.tcf.core.scripting/src/org/eclipse/tcf/te/tcf/core/scripting/launcher/ScriptLauncher.java
@@ -0,0 +1,245 @@
+/*******************************************************************************
+ * Copyright (c) 2011 Wind River Systems, Inc. and others. 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:
+ * Wind River Systems - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.tcf.te.tcf.core.scripting.launcher;
+
+import java.io.IOException;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.PlatformObject;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.osgi.util.NLS;
+import org.eclipse.tcf.protocol.IChannel;
+import org.eclipse.tcf.protocol.IChannel.IChannelListener;
+import org.eclipse.tcf.protocol.IPeer;
+import org.eclipse.tcf.te.runtime.callback.Callback;
+import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
+import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
+import org.eclipse.tcf.te.tcf.core.Tcf;
+import org.eclipse.tcf.te.tcf.core.interfaces.IChannelManager;
+import org.eclipse.tcf.te.tcf.core.scripting.activator.CoreBundleActivator;
+import org.eclipse.tcf.te.tcf.core.scripting.interfaces.IScriptLauncher;
+import org.eclipse.tcf.te.tcf.core.scripting.interfaces.IScriptLauncherProperties;
+import org.eclipse.tcf.te.tcf.core.scripting.nls.Messages;
+import org.eclipse.tcf.te.tcf.core.scripting.parser.Parser;
+import org.eclipse.tcf.te.tcf.core.scripting.parser.Token;
+
+/**
+ * Script launcher implementation.
+ */
+public class ScriptLauncher extends PlatformObject implements IScriptLauncher {
+ // The channel instance
+ /* default */ IChannel channel;
+ // The process properties instance
+ private IPropertiesContainer properties;
+
+ // The callback instance
+ private ICallback callback;
+
+ /**
+ * Constructor.
+ */
+ public ScriptLauncher() {
+ super();
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.tcf.te.tcf.core.scripting.interfaces.IScriptLauncher#dispose()
+ */
+ @Override
+ public void dispose() {
+ // Store a final reference to the channel instance
+ final IChannel finChannel = channel;
+
+ // Close the channel as all disposal is done
+ if (finChannel != null) Tcf.getChannelManager().closeChannel(finChannel);
+
+ // Dissociate the channel
+ channel = null;
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.tcf.te.tcf.core.scripting.interfaces.IScriptLauncher#launch(org.eclipse.tcf.protocol.IPeer, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
+ */
+ @Override
+ public void launch(final IPeer peer, final IPropertiesContainer properties, final ICallback callback) {
+ Assert.isNotNull(peer);
+ Assert.isNotNull(properties);
+
+ // Normalize the callback
+ if (callback == null) {
+ this.callback = new Callback() {
+ /* (non-Javadoc)
+ * @see org.eclipse.tcf.te.runtime.callback.Callback#internalDone(java.lang.Object, org.eclipse.core.runtime.IStatus)
+ */
+ @Override
+ public void internalDone(Object caller, IStatus status) {
+ }
+ };
+ }
+ else {
+ this.callback = callback;
+ }
+
+ // Remember the process properties
+ this.properties = properties;
+
+ // Open a dedicated channel to the given peer
+ Tcf.getChannelManager().openChannel(peer, true, new IChannelManager.DoneOpenChannel() {
+ /* (non-Javadoc)
+ * @see org.eclipse.tcf.te.tcf.core.interfaces.IChannelManager.DoneOpenChannel#doneOpenChannel(java.lang.Throwable, org.eclipse.tcf.protocol.IChannel)
+ */
+ @Override
+ public void doneOpenChannel(Throwable error, IChannel channel) {
+ if (error == null) {
+ ScriptLauncher.this.channel = channel;
+
+ // Attach a channel listener so we can dispose ourself if the channel
+ // is closed from the remote side.
+ channel.addChannelListener(new IChannelListener() {
+ /* (non-Javadoc)
+ * @see org.eclipse.tcf.protocol.IChannel.IChannelListener#onChannelOpened()
+ */
+ @Override
+ public void onChannelOpened() {
+ }
+ /* (non-Javadoc)
+ * @see org.eclipse.tcf.protocol.IChannel.IChannelListener#onChannelClosed(java.lang.Throwable)
+ */
+ @Override
+ public void onChannelClosed(Throwable error) {
+ if (error != null) {
+ IStatus status = new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(),
+ NLS.bind(Messages.ScriptLauncher_error_channelConnectFailed, peer.getID(), error.getLocalizedMessage()),
+ error);
+ invokeCallback(status, null);
+ }
+ }
+ /* (non-Javadoc)
+ * @see org.eclipse.tcf.protocol.IChannel.IChannelListener#congestionLevel(int)
+ */
+ @Override
+ public void congestionLevel(int level) {
+ }
+ });
+
+ // Check if the channel is in connected state
+ if (channel.getState() != IChannel.STATE_OPEN) {
+ IStatus status = new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(),
+ Messages.ScriptLauncher_error_channelNotConnected,
+ new IllegalStateException());
+ invokeCallback(status, null);
+ return;
+ }
+
+ // Do some very basic sanity checking on the script properties
+ if (properties.getStringProperty(IScriptLauncherProperties.PROP_SCRIPT) == null) {
+ IStatus status = new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(),
+ Messages.ScriptLauncher_error_missingScript,
+ new IllegalArgumentException(IScriptLauncherProperties.PROP_SCRIPT));
+ invokeCallback(status, null);
+ return;
+ }
+
+ // Execute the launch now
+ executeLaunch();
+ } else {
+ IStatus status = new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(),
+ NLS.bind(Messages.ScriptLauncher_error_channelConnectFailed, peer.getID(), error.getLocalizedMessage()),
+ error);
+ invokeCallback(status, null);
+ }
+ }
+ });
+ }
+
+ /**
+ * Executes the script launch.
+ */
+ protected void executeLaunch() {
+ // Get the script properties container
+ final IPropertiesContainer properties = getProperties();
+ if (properties == null) {
+ // This is an illegal argument. Properties must be set
+ IStatus status = new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(),
+ NLS.bind(Messages.ScriptLauncher_error_illegalNullArgument, "properties"), //$NON-NLS-1$
+ new IllegalArgumentException());
+ invokeCallback(status, null);
+ return;
+ }
+
+ // Get the script to execute
+ String script = properties.getStringProperty(IScriptLauncherProperties.PROP_SCRIPT);
+ if (script == null || "".equals(script.trim())) { //$NON-NLS-1$
+ IStatus status = new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(),
+ Messages.ScriptLauncher_error_missingScript,
+ new IllegalArgumentException(IScriptLauncherProperties.PROP_SCRIPT));
+ invokeCallback(status, null);
+ return;
+ }
+
+ // Create the script parser instance
+ Parser parser = new Parser(script);
+ try {
+ Token[] tokens = parser.parse();
+ } catch (IOException e) {
+
+ }
+ }
+
+ /**
+ * Invoke the callback with the given parameters. If the given status severity
+ * is {@link IStatus#ERROR}, the process launcher object is disposed automatically.
+ *
+ * @param status The status. Must not be <code>null</code>.
+ * @param result The result object or <code>null</code>.
+ */
+ protected void invokeCallback(IStatus status, Object result) {
+ // Dispose the process launcher if we report an error
+ if (status.getSeverity() == IStatus.ERROR) {
+ dispose();
+ }
+
+ // Invoke the callback
+ ICallback callback = getCallback();
+ if (callback != null) {
+ callback.setResult(result);
+ callback.done(this, status);
+ }
+ }
+
+ /**
+ * Returns the channel instance.
+ *
+ * @return The channel instance or <code>null</code> if none.
+ */
+ public final IChannel getChannel() {
+ return channel;
+ }
+
+ /**
+ * Returns the process properties container.
+ *
+ * @return The process properties container or <code>null</code> if none.
+ */
+ public final IPropertiesContainer getProperties() {
+ return properties;
+ }
+
+ /**
+ * Returns the callback instance.
+ *
+ * @return The callback instance or <code>null</code> if none.
+ */
+ protected final ICallback getCallback() {
+ return callback;
+ }
+
+}

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