1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*******************************************************************************
* Copyright (c) 2012 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.processes.core.model.steps;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.osgi.util.NLS;
import org.eclipse.tcf.protocol.IChannel;
import org.eclipse.tcf.protocol.IToken;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.services.IProcesses;
import org.eclipse.tcf.services.IProcesses.ProcessContext;
import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.model.interfaces.IModelNode;
import org.eclipse.tcf.te.runtime.properties.PropertiesContainer;
import org.eclipse.tcf.te.runtime.statushandler.StatusHandlerManager;
import org.eclipse.tcf.te.runtime.statushandler.interfaces.IStatusHandler;
import org.eclipse.tcf.te.runtime.statushandler.interfaces.IStatusHandlerConstants;
import org.eclipse.tcf.te.tcf.core.Tcf;
import org.eclipse.tcf.te.tcf.core.interfaces.IChannelManager;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tcf.te.tcf.processes.core.activator.CoreBundleActivator;
import org.eclipse.tcf.te.tcf.processes.core.interfaces.IContextHelpIds;
import org.eclipse.tcf.te.tcf.processes.core.model.interfaces.IProcessContextNode;
import org.eclipse.tcf.te.tcf.processes.core.nls.Messages;
/**
* Process context terminate step implementation.
*/
public class TerminateStep {
/**
* Terminate from the given process context.
* <p>
* <b>Note:</b> This method must be called from within the TCF dispatch thread.
*
* @param node The context node. Must not be <code>null</code>.
* @param callback The callback to invoke once the operation completed, or <code>null</code>.
*/
public void executeTerminate(final IProcessContextNode node, final ICallback callback) {
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
Assert.isNotNull(node);
// If the context is not attached, there is nothing to do
if (node.getProcessContext() != null) {
IPeerModel peerNode = (IPeerModel)node.getAdapter(IPeerModel.class);
if (peerNode != null) {
doTerminate(node, callback);
} else {
onError(node, Messages.DetachStep_error_disconnect, null, callback);
}
}
else {
onError(node, Messages.DetachStep_error_disconnect, null, callback);
}
}
/**
* Opens a channel and perform the terminate to the given context node.
* <p>
* <b>Note:</b> This method must be called from within the TCF dispatch thread.
*
* @param model The runtime model instance. Must not be <code>null</code>.
* @param node The context node. Must not be <code>null</code>.
* @param callback The callback to invoke once the operation completed, or<code>null</code>.
*/
protected void doTerminate(final IProcessContextNode node, final ICallback callback) {
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
Assert.isNotNull(node);
// Determine the peer model node
final IPeerModel peerNode = (IPeerModel)node.getAdapter(IPeerModel.class);
// Open a channel
Tcf.getChannelManager().openChannel(peerNode.getPeer(), null, new IChannelManager.DoneOpenChannel() {
@Override
public void doneOpenChannel(final Throwable error, final IChannel channel) {
if (error == null) {
final IProcesses service = channel.getRemoteService(IProcesses.class);
if (service != null) {
service.getContext(node.getStringProperty(IModelNode.PROPERTY_ID), new IProcesses.DoneGetContext() {
@Override
public void doneGetContext(IToken token, Exception error, ProcessContext context) {
if (error == null && context != null) {
context.terminate(new IProcesses.DoneCommand() {
@Override
public void doneCommand(IToken token, Exception error) {
if (error == null) {
onDone(callback);
} else {
onError(node, Messages.TerminateStep_error_terminate, error, callback);
}
}
});
} else {
onError(node, Messages.TerminateStep_error_getContext, error, callback);
}
}
});
} else {
onError(node, Messages.TerminateStep_error_terminate, null, callback);
}
} else {
onError(node, Messages.TerminateStep_error_openChannel, error, callback);
}
}
});
}
/**
* Error handler. Called if a step failed.
*
* @param channel The channel or <code>null</code>.
* @param context The status handler context. Must not be <code>null</code>:
* @param message The message or <code>null</code>.
* @param error The error or <code>null</code>.
* @param callback The callback or <code>null</code>.
*/
protected void onError(Object context, String message, Throwable error, ICallback callback) {
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
String detailMessage = error != null ? error.getMessage() : null;
if (detailMessage != null && detailMessage.contains("\n")) { //$NON-NLS-1$
detailMessage = detailMessage.replaceAll("\n", ", "); //$NON-NLS-1$ //$NON-NLS-2$
detailMessage = detailMessage.replaceAll(":, ", ": "); //$NON-NLS-1$ //$NON-NLS-2$
}
String fullMessage = message;
if (fullMessage != null) fullMessage = NLS.bind(fullMessage, detailMessage != null ? detailMessage : ""); //$NON-NLS-1$
else fullMessage = detailMessage;
if (fullMessage != null) {
IStatus status = new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(), fullMessage, error);
if (callback == null) {
IStatusHandler[] handlers = StatusHandlerManager.getInstance().getHandler(context);
if (handlers.length > 0) {
IPropertiesContainer data = new PropertiesContainer();
data.setProperty(IStatusHandlerConstants.PROPERTY_TITLE, Messages.TerminateStep_error_title);
data.setProperty(IStatusHandlerConstants.PROPERTY_CONTEXT_HELP_ID, IContextHelpIds.MESSAGE_DETACH_FAILED);
data.setProperty(IStatusHandlerConstants.PROPERTY_CALLER, this);
handlers[0].handleStatus(status, data, null);
} else {
CoreBundleActivator.getDefault().getLog().log(status);
}
}
else {
callback.done(this, status);
}
}
}
/**
* Done handler. Called if all necessary steps are completed.
*
* @param callback The callback to invoke or <code>null</code>
*/
protected void onDone(ICallback callback) {
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
if (callback != null) callback.done(this, Status.OK_STATUS);
}
}
|
