- 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 java.io.*;
- import com.sun.org.apache.bcel.internal.Constants;
-
- /**
- * Abstract super class for Fieldref and Methodref constants.
- *
- * @version $Id: ConstantCP.java,v 1.1.1.1 2001/10/29 19:59:58 jvanzyl Exp $
- * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
- * @see ConstantFieldref
- * @see ConstantMethodref
- * @see ConstantInterfaceMethodref
- */
- public abstract class ConstantCP extends Constant {
- /** References to the constants containing the class and the field signature
- */
- protected int class_index, name_and_type_index;
-
- /**
- * Initialize from another object.
- */
- public ConstantCP(ConstantCP c) {
- this(c.getTag(), c.getClassIndex(), c.getNameAndTypeIndex());
- }
-
- /**
- * Initialize instance from file data.
- *
- * @param tag Constant type tag
- * @param file Input stream
- * @throw IOException
- */
- ConstantCP(byte tag, DataInputStream file) throws IOException
- {
- this(tag, file.readUnsignedShort(), file.readUnsignedShort());
- }
-
- /**
- * @param class_index Reference to the class containing the field
- * @param name_and_type_index and the field signature
- */
- protected ConstantCP(byte tag, int class_index,
- int name_and_type_index) {
- super(tag);
- this.class_index = class_index;
- this.name_and_type_index = name_and_type_index;
- }
-
- /**
- * Dump constant field reference 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(class_index);
- file.writeShort(name_and_type_index);
- }
-
- /**
- * @return Reference (index) to class this field or method belongs to.
- */
- public final int getClassIndex() { return class_index; }
-
- /**
- * @return Reference (index) to signature of the field.
- */
- public final int getNameAndTypeIndex() { return name_and_type_index; }
-
- /**
- * @param class_index points to Constant_class
- */
- public final void setClassIndex(int class_index) {
- this.class_index = class_index;
- }
-
- /**
- * @return Class this field belongs to.
- */
- public String getClass(ConstantPool cp) {
- return cp.constantToString(class_index, Constants.CONSTANT_Class);
- }
-
- /**
- * @param name_and_type_index points to Constant_NameAndType
- */
- public final void setNameAndTypeIndex(int name_and_type_index) {
- this.name_and_type_index = name_and_type_index;
- }
-
- /**
- * @return String representation.
- */
- public final String toString() {
- return super.toString() + "(class_index = " + class_index +
- ", name_and_type_index = " + name_and_type_index + ")";
- }
- }