123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157 |
- package org.aspectj.apache.bcel.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 (https://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
- * <https://www.apache.org/>.
- */
-
- import java.io.DataInputStream;
- import java.io.DataOutputStream;
- import java.io.IOException;
-
- import org.aspectj.apache.bcel.Constants;
-
- /**
- * This class is derived from the abstract <A HREF="org.aspectj.apache.bcel.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 1.5 2009/09/16 00:43:49 aclement 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 instance from file data.
- *
- * @param file Input stream
- * @throws IOException
- */
- ConstantNameAndType(DataInputStream file) throws IOException {
- this(file.readUnsignedShort(), 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
- */
- @Override
- public void accept(ClassVisitor v) {
- v.visitConstantNameAndType(this);
- }
-
- /**
- * Dump name and signature index to file stream in binary format.
- *
- * @param file Output file stream
- * @throws IOException
- */
- @Override
- 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);
- }
-
- @Override
- public final String toString() {
- return super.toString() + "(name_index = " + name_index + ", signature_index = " + signature_index + ")";
- }
-
- @Override
- public String getValue() {
- return toString();
- }
-
- }
|