| /******************************************************************************* |
| * Copyright (c) 2002, 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 - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.tools.resources.metadata; |
| |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.eclipse.core.tools.ByteUtil; |
| import org.eclipse.core.tools.metadata.*; |
| |
| /** |
| * A strategy for reading .syncinfo files version 3. Layout: |
| * <pre> {@code |
| * SAVE_FILE -> VERSION_ID RESOURCE+ |
| * VERSION_ID -> int |
| * RESOURCE -> RESOURCE_PATH SIZE SYNCINFO* |
| * RESOURCE_PATH -> String |
| * SIZE -> int |
| * SYNCINFO -> TYPE BYTES |
| * TYPE -> INDEX | QNAME |
| * INDEX -> byte int |
| * QNAME -> byte String |
| * BYTES -> byte[] |
| * }</pre> |
| */ |
| class SyncInfoDumpingStrategy_3 implements IStringDumpingStrategy { |
| @Override |
| public String dumpStringContents(DataInputStream dataInput) throws IOException, DumpException { |
| StringBuilder contents = new StringBuilder(); |
| List<String> readPartners = new ArrayList<>(); |
| String resourceName; |
| while (dataInput.available() > 0) { |
| resourceName = dataInput.readUTF(); |
| |
| contents.append("Resource: "); //$NON-NLS-1$ |
| contents.append(resourceName); |
| contents.append('\n'); |
| dumpReadPartners(dataInput, contents, readPartners); |
| contents.append('\n'); |
| } |
| return contents.toString(); |
| } |
| |
| private void dumpReadPartners(DataInputStream input, StringBuilder contents, List<String> readPartners) throws DumpException, IOException { |
| int size = input.readInt(); |
| |
| for (int i = 0; i < size; i++) { |
| |
| String qualifiedName; |
| byte type = input.readByte(); |
| switch (type) { |
| case SyncInfoDumper.QNAME : |
| String qualifier = input.readUTF(); |
| String localName = input.readUTF(); |
| if (qualifier.length() > 0) |
| qualifiedName = qualifier + ":" + localName; //$NON-NLS-1$ |
| else |
| qualifiedName = localName; |
| readPartners.add(qualifiedName); |
| break; |
| case SyncInfoDumper.INDEX : |
| qualifiedName = readPartners.get(input.readInt()); |
| break; |
| default : |
| //if we get here then the sync info file is corrupt |
| throw new PartialDumpException("Invalid read partner type found: " + type, contents); //$NON-NLS-1$ |
| } |
| contents.append("Read Partner: "); //$NON-NLS-1$ |
| contents.append(qualifiedName); |
| contents.append('\n'); |
| |
| // read the bytes |
| int length = input.readInt(); |
| byte[] bytes = new byte[length]; |
| input.readFully(bytes); |
| // just show the first ones |
| contents.append("Bytes ("); //$NON-NLS-1$ |
| contents.append(length); |
| contents.append("): "); //$NON-NLS-1$ |
| contents.append(ByteUtil.byteArrayToString(bytes, 64)); |
| contents.append('\n'); |
| } |
| } |
| |
| @Override |
| public String getFormatDescription() { |
| return "Sync info file version 3"; //$NON-NLS-1$ |
| } |
| } |