1 /**********************************************************************
2 * Copyright (c) 2012 Ericsson
4 * All rights reserved. This program and the accompanying materials are
5 * made available under the terms of the Eclipse Public License v1.0 which
6 * accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * Bernd Hufmann - Initial API and implementation
11 **********************************************************************/
12 package org
.eclipse
.linuxtools
.lttng
.ui
.views
.control
.handlers
;
14 import org
.eclipse
.core
.commands
.AbstractHandler
;
15 import org
.eclipse
.core
.commands
.ExecutionEvent
;
16 import org
.eclipse
.core
.commands
.ExecutionException
;
17 import org
.eclipse
.jface
.dialogs
.MessageDialog
;
18 import org
.eclipse
.jface
.window
.Window
;
19 import org
.eclipse
.linuxtools
.lttng
.ui
.views
.control
.ControlView
;
20 import org
.eclipse
.linuxtools
.lttng
.ui
.views
.control
.Messages
;
21 import org
.eclipse
.linuxtools
.lttng
.ui
.views
.control
.dialogs
.INewConnectionDialog
;
22 import org
.eclipse
.linuxtools
.lttng
.ui
.views
.control
.dialogs
.NewConnectionDialog
;
23 import org
.eclipse
.linuxtools
.lttng
.ui
.views
.control
.model
.ITraceControlComponent
;
24 import org
.eclipse
.linuxtools
.lttng
.ui
.views
.control
.model
.impl
.TargetNodeComponent
;
25 import org
.eclipse
.rse
.core
.IRSESystemType
;
26 import org
.eclipse
.rse
.core
.RSECorePlugin
;
27 import org
.eclipse
.rse
.core
.model
.IHost
;
28 import org
.eclipse
.rse
.core
.model
.ISystemRegistry
;
29 import org
.eclipse
.ui
.IWorkbenchPage
;
30 import org
.eclipse
.ui
.IWorkbenchPart
;
31 import org
.eclipse
.ui
.IWorkbenchWindow
;
32 import org
.eclipse
.ui
.PlatformUI
;
35 * <b><u>NewConnectionHandler</u></b>
37 * Command handler for creation new connection for trace control.
40 public class NewConnectionHandler
extends AbstractHandler
{
42 // ------------------------------------------------------------------------
44 // ------------------------------------------------------------------------
46 * The trace control system type defined for LTTng version 2.0 and later.
48 public final static String TRACE_CONTROL_SYSTEM_TYPE
= "org.eclipse.linuxtools.lttng.ui.control.systemType"; //$NON-NLS-1$
50 // ------------------------------------------------------------------------
52 // ------------------------------------------------------------------------
54 * The parent trace control component the new node will be added to.
56 private ITraceControlComponent fRoot
= null;
60 * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
63 public Object
execute(ExecutionEvent event
) throws ExecutionException
{
64 assert (fRoot
!= null);
66 IWorkbenchWindow window
= PlatformUI
.getWorkbench().getActiveWorkbenchWindow();
71 ISystemRegistry registry
= RSECorePlugin
.getTheSystemRegistry();
73 // get system type definition for LTTng 2.x connection
74 IRSESystemType sysType
= RSECorePlugin
.getTheCoreRegistry().getSystemTypeById(TRACE_CONTROL_SYSTEM_TYPE
);
76 // get all hosts for this system type
77 IHost
[] hosts
= registry
.getHostsBySystemType(sysType
);
79 // Open dialog box for the node name and address
80 INewConnectionDialog dialog
= new NewConnectionDialog(window
.getShell(), fRoot
, hosts
);
82 if (dialog
.open() != Window
.OK
) {
86 String hostName
= dialog
.getConnectionName();
87 String hostAddress
= dialog
.getHostName();
89 // get the singleton RSE registry
92 for (int i
= 0; i
< hosts
.length
; i
++) {
93 if (hosts
[i
].getAliasName().equals(hostName
)) {
100 // if there's no host then we will create it
102 // create the host object as an SSH Only connection
103 host
= registry
.createHost(
104 sysType
, //System Type Name
105 hostName
, //Connection name
106 hostAddress
, //IP Address
107 "Connection to Host"); //description //$NON-NLS-1$
109 catch (Exception e
) {
110 MessageDialog
.openError(window
.getShell(),
111 Messages
.TraceControl_EclipseCommandFailure
,
112 Messages
.TraceControl_NewNodeCreationFailure
+ " (" + hostName
+ ", " + hostAddress
+ ")" + ":\n" + e
.toString()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
118 // successful creation of host
119 TargetNodeComponent node
= null;
120 if (!fRoot
.containsChild(hostName
)) {
121 node
= new TargetNodeComponent(hostName
, fRoot
, host
);
122 fRoot
.addChild(node
);
125 node
= (TargetNodeComponent
)fRoot
.getChild(hostName
);
136 * @see org.eclipse.core.commands.AbstractHandler#isEnabled()
139 public boolean isEnabled() {
142 // Check if we are closing down
143 IWorkbenchWindow window
= PlatformUI
.getWorkbench().getActiveWorkbenchWindow();
144 if (window
== null) {
148 // Check if we are in the Control View
149 IWorkbenchPage page
= window
.getActivePage();
150 if (page
== null) return false;
151 IWorkbenchPart part
= page
.getActivePart();
152 if (!(part
instanceof ControlView
)) {
156 fRoot
= ((ControlView
) part
).getTraceControlRoot();
158 return (fRoot
!= null);