+++ /dev/null
-package net.sourceforge.phpdt.externaltools.internal.registry;
-
-/**********************************************************************
-Copyright (c) 2002 IBM Corp. and others. All rights reserved.
-This file is made available under the terms of the Common Public License v1.0
-which accompanies this distribution, and is available at
-http://www.eclipse.org/legal/cpl-v10.html
-�
-Contributors:
-**********************************************************************/
-
-import net.sourceforge.phpdt.externaltools.variable.ExpandVariableContext;
-import net.sourceforge.phpdt.externaltools.variable.IVariableTextExpander;
-
-import org.eclipse.core.runtime.IConfigurationElement;
-
-/**
- * Represents the variable for the argument
- */
-public final class ArgumentVariable extends ExternalToolVariable {
- private static final DefaultTextExpander defaultExpander = new DefaultTextExpander();
-
- private IVariableTextExpander expander = null;
-
- /**
- * Creates an argument variable
- *
- * @param tag the variable tag
- * @param description a short description of what the variable will expand to
- * @param element the configuration element
- */
- /*package*/ ArgumentVariable(String tag, String description, IConfigurationElement element) {
- super(tag, description, element);
- }
-
- /**
- * Returns the object that can expand the variable
- * as text.
- */
- public IVariableTextExpander getExpander() {
- if (expander == null) {
- try {
- expander = (IVariableTextExpander) createObject(ExternalToolVariableRegistry.TAG_EXPANDER_CLASS);
- } catch (ClassCastException exception) {
- }
- if (expander == null) {
- expander = defaultExpander;
- }
- }
- return expander;
- }
-
-
- /**
- * Default variable text expander implementation which does
- * not expand variables, but just returns <code>null</code>.
- */
- private static final class DefaultTextExpander implements IVariableTextExpander {
- /* (non-Javadoc)
- * Method declared on IVariableTextExpander.
- */
- public String getText(String varTag, String varValue, ExpandVariableContext context) {
- return null;
- }
- }
-}