| /******************************************************************************* |
| * Copyright (c) 2000, 2004 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.variables; |
| |
| import java.text.MessageFormat; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.variables.IDynamicVariable; |
| import org.eclipse.core.variables.IDynamicVariableResolver; |
| import org.eclipse.ui.externaltools.internal.model.ExternalToolBuilder; |
| import org.eclipse.ui.externaltools.internal.model.IExternalToolConstants; |
| |
| |
| public class BuildProjectResolver implements IDynamicVariableResolver { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.core.stringsubstitution.IContextVariableResolver#resolveValue(org.eclipse.debug.internal.core.stringsubstitution.IContextVariable, java.lang.String) |
| */ |
| public String resolveValue(IDynamicVariable variable, String argument) throws CoreException { |
| IResource resource= ExternalToolBuilder.getBuildProject(); |
| if (argument != null && resource != null) { |
| resource = ((IProject)resource).findMember(new Path(argument)); |
| } |
| if (resource != null && resource.exists()) { |
| return resource.getLocation().toOSString(); |
| } |
| abort(MessageFormat.format(VariableMessages.getString("BuildProjectResolver.3"), new String[]{getReferenceExpression(variable, argument)}), null); //$NON-NLS-1$ |
| return null; |
| } |
| |
| /** |
| * Throws an exception with the given message and underlying exception. |
| * |
| * @param message exception message |
| * @param exception underlying exception or <code>null</code> |
| * @throws CoreException |
| */ |
| protected void abort(String message, Throwable exception) throws CoreException { |
| throw new CoreException(new Status(IStatus.ERROR, IExternalToolConstants.PLUGIN_ID, IExternalToolConstants.ERR_INTERNAL_ERROR, message, exception)); |
| } |
| |
| /** |
| * Returns an expression used to reference the given variable and optional argument. |
| * For example, <code>${var_name:arg}</code>. |
| * |
| * @param variable referenced variable |
| * @param argument referenced argument or <code>null</code> |
| * @return vraiable reference expression |
| */ |
| protected String getReferenceExpression(IDynamicVariable variable, String argument) { |
| StringBuffer reference = new StringBuffer(); |
| reference.append("${"); //$NON-NLS-1$ |
| reference.append(variable.getName()); |
| if (argument != null) { |
| reference.append(":"); //$NON-NLS-1$ |
| reference.append(argument); |
| } |
| reference.append("}"); //$NON-NLS-1$ |
| return reference.toString(); |
| } |
| } |