Add method to ILaunchTarget to get all the attributes.

This is used by CDT, for example, to be able to map targets to
toolchains.

Change-Id: I98d7463d512299c43c405fd474bb8e128a81663f

bundles/org.eclipse.launchbar.core/src/org/eclipse/launchbar/core/internal/Messages.java

@@ -14,6 +14,7 @@ import org.eclipse.osgi.util.NLS;
 
 public class Messages extends NLS {
 	private static final String BUNDLE_NAME = "org.eclipse.launchbar.core.internal.messages"; //$NON-NLS-1$
+	public static String ILaunchTarget_notSupported;
 	public static String LaunchBarManager_0;
 	public static String LaunchBarManager_1;
 	public static String LaunchBarManager_2;

bundles/org.eclipse.launchbar.core/src/org/eclipse/launchbar/core/internal/messages.properties

@@ -1,5 +1,3 @@
-LaunchBarManager_1=Active descriptor must be in the map of descriptors
-LaunchBarManager_2=Mode is not supported by descriptor
 ################################################################################
 # Copyright (c) 2014 QNX Software Systems and others.
 # All rights reserved. This program and the accompanying materials
@@ -10,7 +8,9 @@ LaunchBarManager_2=Mode is not supported by descriptor
 # Contributors:
 #     Doug Schaefer
 ################################################################################
-
+ILaunchTarget_notSupported=getWorkingCopy is not supported for NULL_TARGET
 LaunchBarManager_0=Launch Bar Initialization
+LaunchBarManager_1=Active descriptor must be in the map of descriptors
+LaunchBarManager_2=Mode is not supported by descriptor
 LocalTarget_name=Local
 OK=OK

bundles/org.eclipse.launchbar.core/src/org/eclipse/launchbar/core/internal/target/LaunchTarget.java

@@ -7,9 +7,14 @@
  *******************************************************************************/
 package org.eclipse.launchbar.core.internal.target;
 
+import java.util.HashMap;
+import java.util.Map;
+
 import org.eclipse.core.runtime.PlatformObject;
+import org.eclipse.launchbar.core.internal.Activator;
 import org.eclipse.launchbar.core.target.ILaunchTarget;
 import org.eclipse.launchbar.core.target.ILaunchTargetWorkingCopy;
+import org.osgi.service.prefs.BackingStoreException;
 import org.osgi.service.prefs.Preferences;
 
 public class LaunchTarget extends PlatformObject implements ILaunchTarget {
@@ -59,6 +64,22 @@ public class LaunchTarget extends PlatformObject implements ILaunchTarget {
 		}
 	}
 
+	@Override
+	public Map<String, String> getAttributes() {
+		Map<String, String> attrs = new HashMap<>();
+		try {
+			for (String key : attributes.keys()) {
+				String value = attributes.get(key, null);
+				if (value != null) {
+					attrs.put(key, value);
+				}
+			}
+		} catch (BackingStoreException e) {
+			Activator.log(e);
+		}
+		return attrs;
+	}
+
 	@Override
 	public int hashCode() {
 		final int prime = 31;

bundles/org.eclipse.launchbar.core/src/org/eclipse/launchbar/core/internal/target/LaunchTargetWorkingCopy.java

@@ -61,6 +61,13 @@ public class LaunchTargetWorkingCopy extends PlatformObject implements ILaunchTa
 		}
 	}
 
+	@Override
+	public Map<String, String> getAttributes() {
+		Map<String, String> attrs = original.getAttributes();
+		attrs.putAll(changes);
+		return attrs;
+	}
+
 	@Override
 	public void setAttribute(String key, String value) {
 		changes.put(key, value);

bundles/org.eclipse.launchbar.core/src/org/eclipse/launchbar/core/target/ILaunchTarget.java

@@ -7,7 +7,10 @@
  *******************************************************************************/
 package org.eclipse.launchbar.core.target;
 
+import java.util.Map;
+
 import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.launchbar.core.internal.Messages;
 import org.eclipse.launchbar.core.internal.target.LaunchTarget;
 
 /**
@@ -29,7 +32,7 @@ public interface ILaunchTarget extends IAdaptable {
 	public static final ILaunchTarget NULL_TARGET = new LaunchTarget("null", "---") { //$NON-NLS-1$ //$NON-NLS-2$
 		@Override
 		public ILaunchTargetWorkingCopy getWorkingCopy() {
-			throw new UnsupportedOperationException("getWorkingCopy is not supported for NULL_TARGET");
+			throw new UnsupportedOperationException(Messages.ILaunchTarget_notSupported);
 		};
 	};
 
@@ -69,6 +72,14 @@ public interface ILaunchTarget extends IAdaptable {
 	 */
 	String getAttribute(String key, String defValue);
 
+	/**
+	 * Returns a read-only map of the attributes.
+	 * 
+	 * @return the attributes for this target
+	 * @since 2.1
+	 */
+	Map<String, String> getAttributes();
+
 	/**
 	 * Create a working copy of this launch target to allow setting of attributes. It also allows
 	 * changing the id, which results in a new launch target when saved.