| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.internal.registry; |
| |
| import java.util.*; |
| import org.eclipse.core.runtime.IExtension; |
| import org.eclipse.core.runtime.IExtensionDelta; |
| |
| /* |
| * Basic implementation for now... |
| * Aggregates extension deltas related to extension points declared by a specific host. |
| */ |
| public class RegistryDelta { |
| private Set extensionDeltas = new HashSet(); |
| private String hostName; |
| |
| RegistryDelta(String hostName) { |
| this.hostName = hostName; |
| } |
| |
| public int getExtensionDeltasCount() { |
| return extensionDeltas.size(); |
| } |
| |
| public IExtensionDelta[] getExtensionDeltas() { |
| return (IExtensionDelta[]) extensionDeltas.toArray(new IExtensionDelta[extensionDeltas.size()]); |
| } |
| |
| public IExtensionDelta[] getExtensionDeltas(String extensionPoint) { |
| Collection selectedExtDeltas = new LinkedList(); |
| for (Iterator extDeltasIter = extensionDeltas.iterator(); extDeltasIter.hasNext();) { |
| IExtensionDelta extensionDelta = (IExtensionDelta) extDeltasIter.next(); |
| if (extensionDelta.getExtension().getExtensionPointUniqueIdentifier().equals(extensionPoint)) |
| selectedExtDeltas.add(extensionDelta); |
| } |
| return (IExtensionDelta[]) selectedExtDeltas.toArray(new IExtensionDelta[selectedExtDeltas.size()]); |
| } |
| |
| /** |
| * @param extensionPointId |
| * @param extensionId must not be null |
| */ |
| public IExtensionDelta getExtensionDelta(String extensionPointId, String extensionId) { |
| for (Iterator extDeltasIter = extensionDeltas.iterator(); extDeltasIter.hasNext();) { |
| IExtensionDelta extensionDelta = (IExtensionDelta) extDeltasIter.next(); |
| IExtension extension = extensionDelta.getExtension(); |
| if (extension.getExtensionPointUniqueIdentifier().equals(extensionPointId) && extension.getUniqueIdentifier() != null && extension.getUniqueIdentifier().equals(extensionId)) |
| return extensionDelta; |
| } |
| return null; |
| } |
| |
| void addExtensionDelta(IExtensionDelta extensionDelta) { |
| this.extensionDeltas.add(extensionDelta); |
| } |
| |
| public String toString() { |
| return "\n\tHost " + hostName + ": " + extensionDeltas; //$NON-NLS-1$//$NON-NLS-2$ |
| } |
| |
| } |