| /******************************************************************************* |
| * Copyright (c) 2018 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-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.IConstantPool; |
| import org.eclipse.jdt.core.util.INestMemberAttributeEntry; |
| import org.eclipse.jdt.core.util.INestMembersAttribute; |
| |
| /** |
| * Default implementation of INestMembersAttribute. |
| */ |
| public class NestMembersAttribute extends ClassFileAttribute implements INestMembersAttribute { |
| private static final INestMemberAttributeEntry[] NO_ENTRIES = new INestMemberAttributeEntry[0]; |
| |
| private int nestMembers; |
| private INestMemberAttributeEntry[] entries; |
| |
| /** |
| * Constructor for NestMembersAttribute. |
| * @param classFileBytes |
| * @param constantPool |
| * @param offset |
| * @throws ClassFormatException |
| */ |
| public NestMembersAttribute( |
| byte[] classFileBytes, |
| IConstantPool constantPool, |
| int offset) |
| throws ClassFormatException { |
| super(classFileBytes, constantPool, offset); |
| this.nestMembers = u2At(classFileBytes, 6, offset); |
| final int length = this.nestMembers; |
| if (length != 0) { |
| int readOffset = 8; |
| this.entries = new INestMemberAttributeEntry[length]; |
| for (int i = 0; i < length; i++) { |
| this.entries[i] = new NestMembersAttributeEntry(classFileBytes, constantPool, offset + readOffset); |
| readOffset += 2; |
| } |
| } else { |
| this.entries = NO_ENTRIES; |
| } |
| } |
| |
| @Override |
| public int getNumberOfNestMembers() { |
| return this.nestMembers; |
| } |
| |
| @Override |
| public INestMemberAttributeEntry[] getNestMemberAttributesEntries() { |
| return this.entries; |
| } |
| |
| } |