/* * @(#)ConstantValueAttribute.java 1.10 06/10/10 * * Copyright 1990-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 only, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License version 2 for more details (a copy is * included at /legal/license.txt). * * You should have received a copy of the GNU General Public License * version 2 along with this work; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 or visit www.sun.com if you need additional * information or have any questions. * */ package components; import java.io.DataOutput; import java.io.DataInput; import java.io.IOException; import util.DataFormatException; /* * A class to represent the ConstantValue Attribute * of a field */ public class ConstantValueAttribute extends Attribute { public ConstantObject data; public ConstantValueAttribute( UnicodeConstant name, int l, ConstantObject d ){ super( name, l ); data = d; } protected int writeData( DataOutput o ) throws IOException{ o.writeShort( data.index ); return 2; } public void countConstantReferences( boolean isRelocatable ){ super.countConstantReferences( isRelocatable ); // don't need in runtime constant pool. //data.incReference(); } // // for those cases where we already read the name index // and know that its not something requiring special handling. // public static Attribute finishReadAttribute( DataInput i, UnicodeConstant name, ConstantPool cp ) throws IOException { int l; int n; ConstantObject d; l = i.readInt(); n = i.readUnsignedShort(); d = cp.elementAt(n); return new ConstantValueAttribute( name, l, d ); } }
