| /******************************************************************************* |
| * Copyright (c) 2005, 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 Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.tools.resources.metadata; |
| |
| import java.io.*; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.eclipse.core.internal.properties.PropertyBucket; |
| import org.eclipse.core.tools.metadata.AbstractDumper; |
| import org.eclipse.core.tools.metadata.DumpException; |
| |
| public class PropertiesIndexDumper extends AbstractDumper { |
| |
| @Override |
| protected void dumpContents(PushbackInputStream input, StringBuilder contents) throws IOException, Exception, DumpException { |
| DataInputStream source = new DataInputStream(input); |
| int version = source.readByte(); |
| contents.append("version: "); |
| contents.append(version); |
| contents.append('\n'); |
| int entryCount = source.readInt(); |
| contents.append("entries: "); |
| contents.append(entryCount); |
| contents.append('\n'); |
| List<String> qualifierIndex = new ArrayList<>(); |
| for (int i = 0; i < entryCount; i++) { |
| contents.append("Key: "); |
| contents.append(source.readUTF()); |
| int length = source.readUnsignedShort(); |
| contents.append('\n'); |
| contents.append("Value: ("); |
| contents.append(length); |
| contents.append(")\n"); |
| for (int j = 0; j < length; j++) { |
| // qualifier |
| byte constant = source.readByte(); |
| String qualifier; |
| switch (constant) { |
| case PropertyBucket.QNAME : |
| qualifier = source.readUTF(); |
| qualifierIndex.add(qualifier); |
| break; |
| case PropertyBucket.INDEX : |
| int index = source.readInt(); |
| if (index < 0 || index >= qualifierIndex.size()) |
| throw new DumpException("Invalid qualifier index: " + index + ". Table size is " + qualifierIndex.size()); |
| qualifier = qualifierIndex.get(index); |
| break; |
| default : { |
| contents.append("Invalid qualifier tag: "); |
| contents.append(constant); |
| return; |
| } |
| } |
| String localName = source.readUTF(); |
| String propertyValue = source.readUTF(); |
| contents.append('\t'); |
| contents.append(qualifier); |
| contents.append(':'); |
| contents.append(localName); |
| contents.append('='); |
| contents.append(propertyValue); |
| contents.append('\n'); |
| if (qualifier == null) |
| throw new DumpException("Missing qualifier"); |
| if (localName == null) |
| throw new DumpException("Missing local name"); |
| if (propertyValue == null) |
| throw new DumpException("Missing property value"); |
| } |
| } |
| |
| } |
| |
| } |