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- /*
- * Javassist, a Java-bytecode translator toolkit.
- * Copyright (C) 1999- Shigeru Chiba. All Rights Reserved.
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. Alternatively, the contents of this file may be used under
- * the terms of the GNU Lesser General Public License Version 2.1 or later,
- * or the Apache License Version 2.0.
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- */
-
- package javassist.bytecode;
-
- import java.io.DataInputStream;
- import java.io.IOException;
- import java.util.Map;
-
- /**
- * <code>NestHost_attribute</code>.
- * It was introduced by JEP-181. See JVMS 4.7.28 for the specification.
- *
- * @since 3.24
- */
- public class NestHostAttribute extends AttributeInfo {
- /**
- * The name of this attribute <code>"NestHost"</code>.
- */
- public static final String tag = "NestHost";
-
- NestHostAttribute(ConstPool cp, int n, DataInputStream in) throws IOException {
- super(cp, n, in);
- }
-
- private NestHostAttribute(ConstPool cp, int hostIndex) {
- super(cp, tag, new byte[2]);
- ByteArray.write16bit(hostIndex, get(), 0);
- }
-
- /**
- * Makes a copy. Class names are replaced according to the
- * given <code>Map</code> object.
- *
- * @param newCp the constant pool table used by the new copy.
- * @param classnames pairs of replaced and substituted
- * class names.
- */
- @Override
- public AttributeInfo copy(ConstPool newCp, Map<String, String> classnames) {
- int hostIndex = ByteArray.readU16bit(get(), 0);
- int newHostIndex = getConstPool().copy(hostIndex, newCp, classnames);
- return new NestHostAttribute(newCp, newHostIndex);
- }
-
- /**
- * Returns <code>host_class_index</code>. The constant pool entry
- * at this entry is a <code>CONSTANT_Class_info</code> structure.
- * @return the value of <code>host_class_index</code>.
- */
- public int hostClassIndex() {
- return ByteArray.readU16bit(info, 0);
- }
- }
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