| /******************************************************************************* |
| * Copyright (c) 2000, 2016 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 |
| * James Blackburn (Broadcom Corp.) - ongoing development |
| * Lars Vogel <Lars.Vogel@vogella.com> - Bug 473427 |
| * Mickael Istria (Red Hat Inc.) - Bug 488937 |
| *******************************************************************************/ |
| package org.eclipse.core.internal.resources; |
| |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| import java.util.HashSet; |
| import java.util.Set; |
| import org.eclipse.core.internal.utils.Messages; |
| import org.eclipse.core.resources.IResourceStatus; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.QualifiedName; |
| import org.eclipse.osgi.util.NLS; |
| |
| /** |
| * This class is used to read sync info from disk. Subclasses implement |
| * version specific reading code. |
| */ |
| public class SyncInfoReader { |
| protected Workspace workspace; |
| protected Synchronizer synchronizer; |
| |
| public SyncInfoReader(Workspace workspace, Synchronizer synchronizer) { |
| super(); |
| this.workspace = workspace; |
| this.synchronizer = synchronizer; |
| } |
| |
| /** |
| * Returns the appropriate reader for the given version. |
| */ |
| protected SyncInfoReader getReader(int formatVersion) throws IOException { |
| switch (formatVersion) { |
| case 2 : |
| return new SyncInfoReader_2(workspace, synchronizer); |
| case 3 : |
| return new SyncInfoReader_3(workspace, synchronizer); |
| default : |
| throw new IOException(NLS.bind(Messages.resources_format, formatVersion)); |
| } |
| } |
| |
| public void readPartners(DataInputStream input) throws CoreException { |
| try { |
| int size = input.readInt(); |
| Set<QualifiedName> registry = new HashSet<>(size); |
| for (int i = 0; i < size; i++) { |
| String qualifier = input.readUTF(); |
| String local = input.readUTF(); |
| registry.add(new QualifiedName(qualifier, local)); |
| } |
| synchronizer.setRegistry(registry); |
| } catch (IOException e) { |
| String message = NLS.bind(Messages.resources_readSync, e); |
| throw new ResourceException(new ResourceStatus(IResourceStatus.INTERNAL_ERROR, message)); |
| } |
| } |
| |
| public void readSyncInfo(DataInputStream input) throws IOException, CoreException { |
| // dispatch to the appropriate reader depending |
| // on the version of the file |
| int formatVersion = readVersionNumber(input); |
| SyncInfoReader reader = getReader(formatVersion); |
| reader.readSyncInfo(input); |
| } |
| |
| protected static int readVersionNumber(DataInputStream input) throws IOException { |
| return input.readInt(); |
| } |
| } |