1 files changed, 97 insertions, 0 deletions
diff --git a/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/LaunchOption.java b/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/LaunchOption.java
new file mode 100644
index 000000000..eee0e5325
--- /dev/null
+++ b/org.eclipse.debug.core/core/org/eclipse/debug/internal/core/LaunchOption.java
@@ -0,0 +1,97 @@
+/*******************************************************************************
+ * Copyright (c) 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.eclipse.debug.internal.core;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.debug.core.DebugPlugin;
+import org.eclipse.debug.core.ILaunchOption;
+
+import com.ibm.icu.text.MessageFormat;
+
+/**
+ * Proxy to a launch option extension
+ * 
+ * @since 3.3
+ */
+public class LaunchOption implements ILaunchOption {
+
+	//constants for attribute names
+	private static final String ID = "id"; //$NON-NLS-1$
+	private static final String LABEL = "label"; //$NON-NLS-1$
+	private static final String OPTION = "option"; //$NON-NLS-1$
+	
+	/**
+	 * The associated configuration element
+	 */
+	private IConfigurationElement fElement = null;
+	
+	/**
+	 * Constructor
+	 * @param element the element to associate this launch option with
+	 */
+	public LaunchOption(IConfigurationElement element) throws CoreException {
+		fElement = element;
+		verifyAttributesExist();
+	}
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.ILaunchOption#getIdentifier()
+	 */
+	public String getIdentifier() {
+		return fElement.getAttribute(ID);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.ILaunchOption#getLabel()
+	 */
+	public String getLabel() {
+		return fElement.getAttribute(LABEL);
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.core.ILaunchOption#getOption()
+	 */
+	public String getOption() {
+		return fElement.getAttribute(OPTION);
+	}
+	
+	/**
+	 * Checks to ensure that all of the required attributes are present in the <code>IConfigurationElement</code>
+	 * @return true if all attributes are present, throws <code>CoreException</code> otherwise
+	 * @throws CoreException
+	 */
+	private void verifyAttributesExist() throws CoreException {
+		if(fElement != null) {
+			if(fElement.getAttribute(ID) == null) {
+				missingAttribute(ID);
+			}
+			if(fElement.getAttribute(LABEL) == null) {
+				missingAttribute(LABEL);
+			}
+			if(fElement.getAttribute(OPTION) == null) {
+				missingAttribute(OPTION);
+			}
+		}
+	}
+	
+	/**
+	 * Throws a <code>CoreException</code> indicating the specified attribute is missing from the extension
+	 * point definition
+	 * @param attrName the attribute name that is missing
+	 * @throws CoreException
+	 */
+	private void missingAttribute(String attrName) throws CoreException {
+		throw new CoreException(new Status(IStatus.ERROR, DebugPlugin.getUniqueIdentifier(), DebugPlugin.INTERNAL_ERROR, MessageFormat.format(DebugCoreMessages.LaunchOption_0, new String[]{attrName}), null));		 
+	}
+}