286N/A/*
286N/A * reserved comment block
286N/A * DO NOT REMOVE OR ALTER!
286N/A */
286N/Apackage com.sun.org.apache.bcel.internal.classfile;
286N/A
286N/A/* ====================================================================
286N/A * The Apache Software License, Version 1.1
286N/A *
286N/A * Copyright (c) 2001 The Apache Software Foundation. All rights
286N/A * reserved.
286N/A *
286N/A * Redistribution and use in source and binary forms, with or without
286N/A * modification, are permitted provided that the following conditions
286N/A * are met:
286N/A *
286N/A * 1. Redistributions of source code must retain the above copyright
286N/A * notice, this list of conditions and the following disclaimer.
286N/A *
286N/A * 2. Redistributions in binary form must reproduce the above copyright
286N/A * notice, this list of conditions and the following disclaimer in
286N/A * the documentation and/or other materials provided with the
286N/A * distribution.
286N/A *
286N/A * 3. The end-user documentation included with the redistribution,
286N/A * if any, must include the following acknowledgment:
286N/A * "This product includes software developed by the
286N/A * Apache Software Foundation (http://www.apache.org/)."
286N/A * Alternately, this acknowledgment may appear in the software itself,
286N/A * if and wherever such third-party acknowledgments normally appear.
286N/A *
286N/A * 4. The names "Apache" and "Apache Software Foundation" and
286N/A * "Apache BCEL" must not be used to endorse or promote products
286N/A * derived from this software without prior written permission. For
286N/A * written permission, please contact apache@apache.org.
286N/A *
286N/A * 5. Products derived from this software may not be called "Apache",
286N/A * "Apache BCEL", nor may "Apache" appear in their name, without
286N/A * prior written permission of the Apache Software Foundation.
286N/A *
286N/A * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
286N/A * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
286N/A * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
286N/A * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
286N/A * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
286N/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
286N/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
286N/A * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
286N/A * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
286N/A * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
286N/A * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
286N/A * SUCH DAMAGE.
286N/A * ====================================================================
286N/A *
286N/A * This software consists of voluntary contributions made by many
286N/A * individuals on behalf of the Apache Software Foundation. For more
286N/A * information on the Apache Software Foundation, please see
286N/A * <http://www.apache.org/>.
286N/A */
286N/Aimport com.sun.org.apache.bcel.internal.Constants;
286N/Aimport java.io.*;
286N/A
286N/A/**
286N/A * Abstract super class for fields and methods.
286N/A *
286N/A * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
286N/A */
286N/Apublic abstract class FieldOrMethod extends AccessFlags implements Cloneable, Node {
286N/A protected int name_index; // Points to field name in constant pool
286N/A protected int signature_index; // Points to encoded signature
286N/A protected int attributes_count;// No. of attributes
286N/A protected Attribute[] attributes; // Collection of attributes
286N/A protected ConstantPool constant_pool;
286N/A
286N/A FieldOrMethod() {}
286N/A
286N/A /**
286N/A * Initialize from another object. Note that both objects use the same
286N/A * references (shallow copy). Use clone() for a physical copy.
286N/A */
286N/A protected FieldOrMethod(FieldOrMethod c) {
286N/A this(c.getAccessFlags(), c.getNameIndex(), c.getSignatureIndex(),
286N/A c.getAttributes(), c.getConstantPool());
286N/A }
286N/A
286N/A /**
286N/A * Construct object from file stream.
286N/A * @param file Input stream
286N/A * @throws IOException
286N/A * @throws ClassFormatException
286N/A */
286N/A protected FieldOrMethod(DataInputStream file, ConstantPool constant_pool)
286N/A throws IOException, ClassFormatException
286N/A {
286N/A this(file.readUnsignedShort(), file.readUnsignedShort(),
286N/A file.readUnsignedShort(), null, constant_pool);
286N/A
286N/A attributes_count = file.readUnsignedShort();
286N/A attributes = new Attribute[attributes_count];
286N/A for(int i=0; i < attributes_count; i++)
286N/A attributes[i] = Attribute.readAttribute(file, constant_pool);
286N/A }
286N/A
286N/A /**
286N/A * @param access_flags Access rights of method
286N/A * @param name_index Points to field name in constant pool
286N/A * @param signature_index Points to encoded signature
286N/A * @param attributes Collection of attributes
286N/A * @param constant_pool Array of constants
286N/A */
286N/A protected FieldOrMethod(int access_flags, int name_index, int signature_index,
286N/A Attribute[] attributes, ConstantPool constant_pool)
286N/A {
286N/A this.access_flags = access_flags;
286N/A this.name_index = name_index;
286N/A this.signature_index = signature_index;
286N/A this.constant_pool = constant_pool;
286N/A
286N/A setAttributes(attributes);
286N/A }
286N/A
286N/A /**
286N/A * Dump object to file stream on binary format.
286N/A *
286N/A * @param file Output file stream
286N/A * @throws IOException
286N/A */
286N/A public final void dump(DataOutputStream file) throws IOException
286N/A {
286N/A file.writeShort(access_flags);
286N/A file.writeShort(name_index);
286N/A file.writeShort(signature_index);
286N/A file.writeShort(attributes_count);
286N/A
286N/A for(int i=0; i < attributes_count; i++)
286N/A attributes[i].dump(file);
286N/A }
286N/A
286N/A /**
286N/A * @return Collection of object attributes.
286N/A */
286N/A public final Attribute[] getAttributes() { return attributes; }
286N/A
286N/A /**
286N/A * @param attributes Collection of object attributes.
286N/A */
286N/A public final void setAttributes(Attribute[] attributes) {
286N/A this.attributes = attributes;
286N/A attributes_count = (attributes == null)? 0 : attributes.length;
286N/A }
286N/A
286N/A /**
286N/A * @return Constant pool used by this object.
286N/A */
286N/A public final ConstantPool getConstantPool() { return constant_pool; }
286N/A
286N/A /**
286N/A * @param constant_pool Constant pool to be used for this object.
286N/A */
286N/A public final void setConstantPool(ConstantPool constant_pool) {
286N/A this.constant_pool = constant_pool;
286N/A }
286N/A
286N/A /**
286N/A * @return Index in constant pool of object's name.
286N/A */
286N/A public final int getNameIndex() { return name_index; }
286N/A
286N/A /**
286N/A * @param name_index Index in constant pool of object's name.
286N/A */
286N/A public final void setNameIndex(int name_index) {
286N/A this.name_index = name_index;
286N/A }
286N/A
286N/A /**
286N/A * @return Index in constant pool of field signature.
286N/A */
286N/A public final int getSignatureIndex() { return signature_index; }
286N/A
286N/A /**
286N/A * @param signature_index Index in constant pool of field signature.
286N/A */
286N/A public final void setSignatureIndex(int signature_index) {
286N/A this.signature_index = signature_index;
286N/A }
286N/A
286N/A /**
286N/A * @return Name of object, i.e., method name or field name
286N/A */
286N/A public final String getName() {
286N/A ConstantUtf8 c;
286N/A c = (ConstantUtf8)constant_pool.getConstant(name_index,
286N/A Constants.CONSTANT_Utf8);
286N/A return c.getBytes();
286N/A }
286N/A
286N/A /**
286N/A * @return String representation of object's type signature (java style)
286N/A */
286N/A public final String getSignature() {
286N/A ConstantUtf8 c;
286N/A c = (ConstantUtf8)constant_pool.getConstant(signature_index,
286N/A Constants.CONSTANT_Utf8);
286N/A return c.getBytes();
286N/A }
286N/A
286N/A /**
286N/A * @return deep copy of this field
286N/A */
286N/A protected FieldOrMethod copy_(ConstantPool constant_pool) {
286N/A FieldOrMethod c = null;
286N/A
286N/A try {
286N/A c = (FieldOrMethod)clone();
286N/A } catch(CloneNotSupportedException e) {}
286N/A
286N/A c.constant_pool = constant_pool;
286N/A c.attributes = new Attribute[attributes_count];
286N/A
286N/A for(int i=0; i < attributes_count; i++)
286N/A c.attributes[i] = attributes[i].copy(constant_pool);
286N/A
286N/A return c;
286N/A }
286N/A}