| /******************************************************************************* |
| * Copyright (c) 2009, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.tests.internal.preferences; |
| |
| import java.util.Properties; |
| import org.eclipse.core.internal.preferences.EclipsePreferences; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.preferences.IEclipsePreferences; |
| import org.eclipse.core.runtime.preferences.IScopeContext; |
| import org.osgi.service.prefs.BackingStoreException; |
| |
| /** |
| * @since 3.5 |
| */ |
| public class BadTestScope extends EclipsePreferences implements IScopeContext { |
| |
| public static final String SCOPE = "badtest"; //$NON-NLS-1$ |
| private String qualifier; |
| private int segmentCount; |
| private IEclipsePreferences loadLevel; |
| |
| public BadTestScope() { |
| this(null, null); |
| } |
| |
| private BadTestScope(EclipsePreferences parent, String key) { |
| super(parent, key); |
| // cache the segment count |
| IPath path = new Path(absolutePath()); |
| segmentCount = path.segmentCount(); |
| if (segmentCount < 2) { |
| return; |
| } |
| |
| // cache the qualifier |
| String scope = path.segment(0); |
| if (BadTestScope.SCOPE.equals(scope)) { |
| qualifier = path.segment(1); |
| } |
| |
| // cache the location |
| if (qualifier == null) { |
| return; |
| } |
| } |
| |
| @Override |
| protected IEclipsePreferences getLoadLevel() { |
| if (loadLevel == null) { |
| if (qualifier == null) { |
| return null; |
| } |
| // Make it relative to this node rather than navigating to it from the root. |
| // Walk backwards up the tree starting at this node. |
| // This is important to avoid a chicken/egg thing on startup. |
| IEclipsePreferences node = this; |
| for (int i = 2; i < segmentCount; i++) { |
| node = (IEclipsePreferences) node.parent(); |
| } |
| loadLevel = node; |
| } |
| return loadLevel; |
| } |
| |
| @Override |
| public IPath getLocation() { |
| return null; |
| } |
| |
| @Override |
| public String getName() { |
| return SCOPE; |
| } |
| |
| @Override |
| public IEclipsePreferences getNode(String qualifier1) { |
| throw new RuntimeException("BadTestScope throws this on purpose."); |
| } |
| |
| @Override |
| protected EclipsePreferences internalCreate(EclipsePreferences nodeParent, String nodeName, Object context) { |
| return new BadTestScope(nodeParent, nodeName); |
| } |
| |
| void setDirty(boolean value) { |
| dirty = value; |
| } |
| |
| Properties toProperties() throws BackingStoreException { |
| return convertToProperties(new Properties(), ""); |
| } |
| } |