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Introduce 'user' preference scope located in <user.home>/.eclipse
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48 changes: 48 additions & 0 deletions
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...clipse.equinox.preferences/src/org/eclipse/core/internal/preferences/UserPreferences.java
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/******************************************************************************* | ||
* Copyright (c) 2023, 2023 Hannes Wellmann 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: | ||
* Hannes Wellmann - initial API and implementation | ||
*******************************************************************************/ | ||
package org.eclipse.core.internal.preferences; | ||
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import java.util.Set; | ||
import java.util.concurrent.ConcurrentHashMap; | ||
import java.util.concurrent.atomic.AtomicBoolean; | ||
import org.eclipse.core.runtime.IPath; | ||
import org.eclipse.core.runtime.preferences.UserScope; | ||
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public class UserPreferences extends SingletonEclipsePreferences { | ||
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// cache which nodes have been loaded from disk | ||
private static final Set<String> LOADED_NODES = ConcurrentHashMap.newKeySet(); | ||
private static final AtomicBoolean INITIALIZED = new AtomicBoolean(); | ||
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/** | ||
* Default constructor. Should only be called by #createExecutableExtension. | ||
*/ | ||
public UserPreferences() { | ||
this(null, null); | ||
} | ||
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private UserPreferences(EclipsePreferences parent, String name) { | ||
super(parent, name, LOADED_NODES, INITIALIZED); | ||
} | ||
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@Override | ||
IPath getBaseLocation() { | ||
return UserScope.INSTANCE.getLocation(); | ||
} | ||
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@Override | ||
protected EclipsePreferences internalCreate(EclipsePreferences nodeParent, String nodeName, Object context) { | ||
return new UserPreferences(nodeParent, nodeName); | ||
} | ||
} |
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...s/org.eclipse.equinox.preferences/src/org/eclipse/core/runtime/preferences/UserScope.java
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/******************************************************************************* | ||
* Copyright (c) 2023, 2023 Hannes Wellmann 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: | ||
* Hannes Wellmann - initial API and implementation | ||
*******************************************************************************/ | ||
package org.eclipse.core.runtime.preferences; | ||
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import org.eclipse.core.internal.preferences.AbstractScope; | ||
import org.eclipse.core.runtime.IPath; | ||
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/** | ||
* @since 3.11 | ||
*/ | ||
public class UserScope extends AbstractScope { | ||
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/** | ||
* String constant (value of <code>"user"</code>) used for the scope name for | ||
* the user preference scope. | ||
*/ | ||
public static final String SCOPE = "user"; //$NON-NLS-1$ | ||
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private static final IPath USER_HOME_PREFERENCE_LOCATION; | ||
static { | ||
String userHome = System.getProperty("user.home"); //$NON-NLS-1$ | ||
USER_HOME_PREFERENCE_LOCATION = IPath.forWindows(userHome).append(".eclipse"); //$NON-NLS-1$ | ||
} | ||
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/** | ||
* Singleton instance of a User Scope object. Typical usage is: | ||
* <code>UserScope.INSTANCE.getNode(...);</code> | ||
* | ||
* @since 3.4 | ||
*/ | ||
public static final IScopeContext INSTANCE = new UserScope(); | ||
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private UserScope() { // static use only via INSTANCE | ||
} | ||
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@Override | ||
public String getName() { | ||
return SCOPE; | ||
} | ||
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@Override | ||
public IPath getLocation() { | ||
return USER_HOME_PREFERENCE_LOCATION; | ||
} | ||
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} |