- package com.sun.org.apache.bcel.internal.classfile;
-
- /* ====================================================================
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Apache" and "Apache Software Foundation" and
- * "Apache BCEL" must not be used to endorse or promote products
- * derived from this software without prior written permission. For
- * written permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * "Apache BCEL", nor may "Apache" appear in their name, without
- * prior written permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-
- 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.
- *
- * @version $Id: ConstantNameAndType.java,v 1.1.1.1 2001/10/29 19:59:59 jvanzyl Exp $
- * @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
- * @throw 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
- * @throw 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 + ")";
- }
- }