[Rubyeclipse-commit] SF.net SVN: rubyeclipse: [3171] trunk/org.rubypeople.rdt.launching

[<caw...@us...>]

Revision: 3171
          http://rubyeclipse.svn.sourceforge.net/rubyeclipse/?rev=3171&view=rev
Author:   cawilliams
Date:     2007-09-13 10:41:08 -0700 (Thu, 13 Sep 2007)

Log Message:
-----------
add RubyMigrationDelegate

Modified Paths:
--------------
    trunk/org.rubypeople.rdt.launching/plugin.xml

Added Paths:
-----------
    trunk/org.rubypeople.rdt.launching/src/org/rubypeople/rdt/internal/launching/RubyMigrationDelegate.java

Modified: trunk/org.rubypeople.rdt.launching/plugin.xml
===================================================================
--- trunk/org.rubypeople.rdt.launching/plugin.xml	2007-09-13 17:07:57 UTC (rev 3170)
+++ trunk/org.rubypeople.rdt.launching/plugin.xml	2007-09-13 17:41:08 UTC (rev 3171)
@@ -21,7 +21,8 @@
       <launchConfigurationType
             delegate="org.rubypeople.rdt.launching.RubyLaunchDelegate"
             id="org.rubypeople.rdt.launching.LaunchConfigurationTypeRubyApplication"
-            modes="run,debug"
+            migrationDelegate="org.rubypeople.rdt.internal.launching.RubyMigrationDelegate"
+            modes="run, debug"
             name="%LaunchConfigurationTypeRubyApplication.name"
             public="true"
             sourceLocatorId="org.rubypeople.rdt.debug.ui.rubySourceLocator">

Added: trunk/org.rubypeople.rdt.launching/src/org/rubypeople/rdt/internal/launching/RubyMigrationDelegate.java
===================================================================
--- trunk/org.rubypeople.rdt.launching/src/org/rubypeople/rdt/internal/launching/RubyMigrationDelegate.java	                        (rev 0)
+++ trunk/org.rubypeople.rdt.launching/src/org/rubypeople/rdt/internal/launching/RubyMigrationDelegate.java	2007-09-13 17:41:08 UTC (rev 3171)
@@ -0,0 +1,85 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2006 IBM Corporation 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.rubypeople.rdt.internal.launching;
+
+import java.util.ArrayList;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.debug.core.ILaunchConfiguration;
+import org.eclipse.debug.core.ILaunchConfigurationMigrationDelegate;
+import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
+import org.rubypeople.rdt.launching.IRubyLaunchConfigurationConstants;
+
+/**
+ * Delegate for migrating Ruby launch configurations.
+ * The migration process involves a resource mapping being created such that launch configurations
+ * can be filtered from the launch configuration dialog based on resource availability
+ * 
+ * @since 3.2
+ */
+public class RubyMigrationDelegate implements ILaunchConfigurationMigrationDelegate {
+
+	/**
+	 * represents the empty string
+	 */
+	protected static final String EMPTY_STRING = ""; //$NON-NLS-1$
+	
+	/**
+	 * Constructor needed for reflection
+	 */
+	public RubyMigrationDelegate() {}
+	
+	/**
+	 * Method to get the projects for the specified launch configuration that should be mapped to the launch configuration  
+	 * 
+	 * @param candidate the launch configuration that the projects will be mapped to.
+	 * @return a list of the projects to be mapped or an empty list, never null.
+	 * @throws CoreException 
+	 */
+	protected IProject[] getProjectsForCandidate(ILaunchConfiguration candidate) throws CoreException {
+		String pname = candidate.getAttribute(IRubyLaunchConfigurationConstants.ATTR_PROJECT_NAME, EMPTY_STRING);
+		return new IProject[] {ResourcesPlugin.getWorkspace().getRoot().getProject(pname)};
+	}
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.ILaunchConfigurationMigrationDelegate#isCandidate()
+	 */
+	public boolean isCandidate(ILaunchConfiguration candidate) throws CoreException {
+		if(candidate.getAttribute(IRubyLaunchConfigurationConstants.ATTR_PROJECT_NAME, EMPTY_STRING).equals(EMPTY_STRING)) {
+			return false;
+		}
+		IResource[] mappedResources = candidate.getMappedResources();
+		if(mappedResources != null && mappedResources.length > 0) {
+			return false;
+		}
+		return true;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.ILaunchConfigurationMigrationDelegate#migrate(org.eclipse.debug.core.ILaunchConfiguration)
+	 */
+	public void migrate(ILaunchConfiguration candidate) throws CoreException {
+		IProject[] projects = getProjectsForCandidate(candidate);
+		ArrayList mappings = new ArrayList();
+		for(int i = 0; i < projects.length; i++) {
+			if(!mappings.contains(projects[i])) {
+				mappings.add(projects[i]);
+			}
+		}
+		ILaunchConfigurationWorkingCopy wc = candidate.getWorkingCopy();
+		wc.setMappedResources((IResource[])mappings.toArray(new IResource[mappings.size()]));
+		wc.doSave();
+	}
+
+}


Property changes on: trunk/org.rubypeople.rdt.launching/src/org/rubypeople/rdt/internal/launching/RubyMigrationDelegate.java
___________________________________________________________________
Name: svn:mime-type
   + text/plain


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