| /******************************************************************************* |
| * Copyright (c) 2004 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.jdt.internal.core.util; |
| |
| import org.eclipse.jdt.core.util.ClassFormatException; |
| import org.eclipse.jdt.core.util.IAnnotationComponent; |
| import org.eclipse.jdt.core.util.IAnnotationComponentValue; |
| import org.eclipse.jdt.core.util.IConstantPool; |
| import org.eclipse.jdt.core.util.IConstantPoolConstant; |
| import org.eclipse.jdt.core.util.IConstantPoolEntry; |
| |
| /** |
| * Default implementation of IAnnotationComponent |
| */ |
| public class AnnotationComponent extends ClassFileStruct implements IAnnotationComponent { |
| |
| private int componentNameIndex; |
| private char[] componentName; |
| private IAnnotationComponentValue componentValue; |
| private int readOffset; |
| |
| public AnnotationComponent( |
| byte[] classFileBytes, |
| IConstantPool constantPool, |
| int offset) throws ClassFormatException { |
| final int nameIndex = u2At(classFileBytes, 0, offset); |
| this.componentNameIndex = nameIndex; |
| if (nameIndex != 0) { |
| IConstantPoolEntry constantPoolEntry = constantPool.decodeEntry(nameIndex); |
| if (constantPoolEntry.getKind() != IConstantPoolConstant.CONSTANT_Utf8) { |
| throw new ClassFormatException(ClassFormatException.INVALID_CONSTANT_POOL_ENTRY); |
| } |
| this.componentName = constantPoolEntry.getUtf8Value(); |
| } |
| this.readOffset = 2; |
| AnnotationComponentValue value = new AnnotationComponentValue(classFileBytes, constantPool, offset + readOffset); |
| this.componentValue = value; |
| this.readOffset += value.sizeInBytes(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.core.util.IAnnotationComponent#getComponentNameIndex() |
| */ |
| public int getComponentNameIndex() { |
| return this.componentNameIndex; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.core.util.IAnnotationComponent#getComponentName() |
| */ |
| public char[] getComponentName() { |
| return this.componentName; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.core.util.IAnnotationComponent#getComponentValue() |
| */ |
| public IAnnotationComponentValue getComponentValue() { |
| return this.componentValue; |
| } |
| |
| int sizeInBytes() { |
| return this.readOffset; |
| } |
| } |