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/*******************************************************************************
* Copyright (c) 2004, 2009 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.internal.registry;
import java.util.ArrayList;
import java.util.Arrays;
import org.eclipse.core.runtime.*;
/**
* This is the copy of the ExtensionPointHandle minus the getDeclaringPluginDescriptor()
* method that was moved into compatibility plugin.
*
* This class should not be used directly. Use ExtensionPointHandle instead.
*
* @since org.eclipse.equinox.registry 3.2
*/
public class BaseExtensionPointHandle extends Handle implements IExtensionPoint {
public BaseExtensionPointHandle(IObjectManager objectManager, int id) {
super(objectManager, id);
}
@Override
public IExtension[] getExtensions() {
return (IExtension[]) objectManager.getHandles(getExtensionPoint().getRawChildren(), RegistryObjectManager.EXTENSION);
}
// This method is left for backward compatibility only
@Override
public String getNamespace() {
return getContributor().getName();
}
@Override
public String getNamespaceIdentifier() {
return getExtensionPoint().getNamespace();
}
@Override
public IContributor getContributor() {
return getExtensionPoint().getContributor();
}
protected boolean shouldPersist() {
return getExtensionPoint().shouldPersist();
}
@Override
public IExtension getExtension(String extensionId) {
if (extensionId == null)
return null;
int[] children = getExtensionPoint().getRawChildren();
for (int i = 0; i < children.length; i++) {
// Here we directly get the object because it avoids the creation of garbage and because we'll need the object anyway to compare the value
if (extensionId.equals(((Extension) objectManager.getObject(children[i], RegistryObjectManager.EXTENSION)).getUniqueIdentifier()))
return (ExtensionHandle) objectManager.getHandle(children[i], RegistryObjectManager.EXTENSION);
}
return null;
}
@Override
public IConfigurationElement[] getConfigurationElements() {
//get the actual extension objects since we'll need to get the configuration elements information.
Extension[] tmpExtensions = (Extension[]) objectManager.getObjects(getExtensionPoint().getRawChildren(), RegistryObjectManager.EXTENSION);
if (tmpExtensions.length == 0)
return ConfigurationElementHandle.EMPTY_ARRAY;
ArrayList<Handle> result = new ArrayList<>();
for (int i = 0; i < tmpExtensions.length; i++) {
result.addAll(Arrays.asList(objectManager.getHandles(tmpExtensions[i].getRawChildren(), RegistryObjectManager.CONFIGURATION_ELEMENT)));
}
return result.toArray(new IConfigurationElement[result.size()]);
}
public String getLabelAsIs() {
return getExtensionPoint().getLabelAsIs();
}
@Override
public String getLabel() {
return getExtensionPoint().getLabel();
}
@Override
public String getLabel(String locale) {
return getExtensionPoint().getLabel(locale);
}
@Override
public String getSchemaReference() {
return getExtensionPoint().getSchemaReference();
}
@Override
public String getSimpleIdentifier() {
return getExtensionPoint().getSimpleIdentifier();
}
@Override
public String getUniqueIdentifier() {
return getExtensionPoint().getUniqueIdentifier();
}
@Override
RegistryObject getObject() {
return getExtensionPoint();
}
protected ExtensionPoint getExtensionPoint() {
return (ExtensionPoint) objectManager.getObject(getId(), RegistryObjectManager.EXTENSION_POINT);
}
@Override
public boolean isValid() {
try {
getExtensionPoint();
} catch (InvalidRegistryObjectException e) {
return false;
}
return true;
}
}
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