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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.externaltools.internal.variable;
import java.text.MessageFormat;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.ui.externaltools.internal.model.ExternalToolsPlugin;
public class DefaultVariableExpander implements IVariableExpander {
private static DefaultVariableExpander instance;
public static DefaultVariableExpander getDefault() {
if (instance == null) {
instance= new DefaultVariableExpander();
}
return instance;
}
public IPath getPath(String varTag, String varValue, ExpandVariableContext context) throws CoreException {
throwExpansionException(varTag, MessageFormat.format(ExternalToolsVariableMessages.getString("DefaultVariableExpander.No_expander"), new String[] {varTag})); //$NON-NLS-1$
return null;
}
public IResource[] getResources(String varTag, String varValue, ExpandVariableContext context) throws CoreException {
throwExpansionException(varTag, MessageFormat.format(ExternalToolsVariableMessages.getString("DefaultVariableExpander.No_expander"), new String[] {varTag})); //$NON-NLS-1$
return null;
}
public String getText(String varTag, String varValue, ExpandVariableContext context) throws CoreException {
throwExpansionException(varTag, MessageFormat.format(ExternalToolsVariableMessages.getString("DefaultVariableExpander.No_expander"), new String[] {varTag})); //$NON-NLS-1$
return null;
}
/**
* Utility method which throws an exception that occurred for the given reason
* while expanding the given variable tag.
*/
public static void throwExpansionException(String varTag, String reason) throws CoreException {
throw new CoreException(ExternalToolsPlugin.newErrorStatus(MessageFormat.format(ExternalToolsVariableMessages.getString("DefaultVariableExpander.Error"), new String[] {varTag, reason}), null)); //$NON-NLS-1$
}
}
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