Mercurial > hg > openjdk > jdk9 > jaxp
view src/java.xml/share/classes/com/sun/org/apache/bcel/internal/classfile/ConstantNameAndType.java @ 1113:2fdbfbde3bc0
8162572: Update License Header for all JAXP sources
Reviewed-by: lancea
author | joehw |
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date | Mon, 17 Apr 2017 16:24:10 -0700 |
parents | 2bfaf29cc90b |
children |
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/* * reserved comment block * DO NOT REMOVE OR ALTER! */ /* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.sun.org.apache.bcel.internal.classfile; import com.sun.org.apache.bcel.internal.Constants; import java.io.*; /** * This class is derived from the abstract * <A HREF="com.sun.org.apache.bcel.internal.classfile.Constant.html">Constant</A> class * and represents a reference to the name and signature * of a field or method. * * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> * @see Constant */ public final class ConstantNameAndType extends Constant { private int name_index; // Name of field/method private int signature_index; // and its signature. /** * Initialize from another object. */ public ConstantNameAndType(ConstantNameAndType c) { this(c.getNameIndex(), c.getSignatureIndex()); } /** * Initialize instance from file data. * * @param file Input stream * @throws IOException */ ConstantNameAndType(DataInputStream file) throws IOException { this((int)file.readUnsignedShort(), (int)file.readUnsignedShort()); } /** * @param name_index Name of field/method * @param signature_index and its signature */ public ConstantNameAndType(int name_index, int signature_index) { super(Constants.CONSTANT_NameAndType); this.name_index = name_index; this.signature_index = signature_index; } /** * Called by objects that are traversing the nodes of the tree implicitely * defined by the contents of a Java class. I.e., the hierarchy of methods, * fields, attributes, etc. spawns a tree of objects. * * @param v Visitor object */ public void accept(Visitor v) { v.visitConstantNameAndType(this); } /** * Dump name and signature index to file stream in binary format. * * @param file Output file stream * @throws IOException */ public final void dump(DataOutputStream file) throws IOException { file.writeByte(tag); file.writeShort(name_index); file.writeShort(signature_index); } /** * @return Name index in constant pool of field/method name. */ public final int getNameIndex() { return name_index; } /** @return name */ public final String getName(ConstantPool cp) { return cp.constantToString(getNameIndex(), Constants.CONSTANT_Utf8); } /** * @return Index in constant pool of field/method signature. */ public final int getSignatureIndex() { return signature_index; } /** @return signature */ public final String getSignature(ConstantPool cp) { return cp.constantToString(getSignatureIndex(), Constants.CONSTANT_Utf8); } /** * @param name_index. */ public final void setNameIndex(int name_index) { this.name_index = name_index; } /** * @param signature_index. */ public final void setSignatureIndex(int signature_index) { this.signature_index = signature_index; } /** * @return String representation */ public final String toString() { return super.toString() + "(name_index = " + name_index + ", signature_index = " + signature_index + ")"; } }