| /******************************************************************************* |
| * Copyright (c) 2009 IBM Corporation. |
| * 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 |
| *******************************************************************************/ |
| package org.eclipse.ptp.remote.server.core; |
| |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.variables.IStringVariableManager; |
| import org.eclipse.core.variables.IValueVariable; |
| import org.eclipse.core.variables.VariablesPlugin; |
| |
| /** |
| * @since 7.0 |
| */ |
| public class RemoteVariableManager { |
| private static RemoteVariableManager fInstance = null; |
| |
| public static RemoteVariableManager getInstance() { |
| if (fInstance == null) { |
| fInstance = new RemoteVariableManager(); |
| } |
| return fInstance; |
| } |
| |
| private final IStringVariableManager fVarMgr; |
| |
| public RemoteVariableManager() { |
| fVarMgr = VariablesPlugin.getDefault().getStringVariableManager(); |
| } |
| |
| /** |
| * Perform a string substitution on the expression using the variables known |
| * by the platform. |
| * |
| * @param expression |
| * expression to substitute |
| * @return |
| */ |
| public String performStringSubstitution(String expression) { |
| try { |
| return fVarMgr.performStringSubstitution(expression, false); |
| } catch (CoreException e) { |
| return expression; |
| } |
| } |
| |
| /** |
| * Initialize variables with values from the map. Variable values should be |
| * stored externally as platform variables are shared across all plugins. |
| * This method should be called prior to calling {@link performStringSubstitution} |
| * |
| * @param vars |
| * @since 5.0 |
| */ |
| public void setVars(Map<String, String> vars) { |
| for (String name : vars.keySet()) { |
| String value = vars.get(name); |
| IValueVariable var = fVarMgr.getValueVariable(name); |
| if (var == null) { |
| var = fVarMgr.newValueVariable(name, name, false, value); |
| } else { |
| var.setValue(value); |
| } |
| } |
| } |
| } |