| /******************************************************************************* |
| * Copyright (c) 2008, 2011 Wind River Systems, Inc. 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: |
| * Michael Scharf (Wind River) - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.tm.internal.terminal.provisional.api; |
| |
| import org.eclipse.core.runtime.Preferences; |
| |
| /** |
| * A preference based settings store. |
| * <p> |
| * <strong>EXPERIMENTAL</strong>. This class or interface has been added as part |
| * of a work in progress. There is no guarantee that this API will work or that |
| * it will remain the same. Please do not use this API without consulting with |
| * the <a href="http://www.eclipse.org/tm/">Target Management</a> team. |
| * </p> |
| */ |
| public class PreferenceSettingStore implements ISettingsStore { |
| private final String fPrefix; |
| private final Preferences fPreferences; |
| |
| /** |
| * Creates a ISettingStore that uses the preferences as backend. |
| * |
| * @param preferences the backed. |
| * @param prefix a string that is prepended to the key |
| */ |
| public PreferenceSettingStore(Preferences preferences, String prefix) { |
| fPreferences=preferences; |
| fPrefix=prefix; |
| } |
| public String get(String key) { |
| return fPreferences.getString(makeKey(key)); |
| } |
| public String get(String key, String defaultValue) { |
| String value=get(key); |
| if ((value == null) || (value.equals(""))) //$NON-NLS-1$ |
| return defaultValue; |
| |
| return value; |
| } |
| |
| public void put(String key, String value) { |
| fPreferences.setValue(makeKey(key), value); |
| } |
| /** |
| * @param key |
| * @return the full path in the preferences |
| */ |
| private String makeKey(String key) { |
| return fPrefix+key; |
| } |
| } |