UnicodeConstant.java

/*
 *   
 *
 * Copyright  1990-2009 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.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import jcc.Const;

// Class that represents a CONSTANT_UTF8 in a classfile's
// constant pool

public
class UnicodeConstant extends ConstantObject
{
    public String string;
    public String UTFstring;
    public int	  stringTableOffset;	// used by in-core output writers
    public boolean isSuffix = false;    // used by in-core output writers

    private UnicodeConstant( int t, String s ){
	tag = t;
	string = s;
	nSlots = 1;
    }

    public UnicodeConstant( String s ){
	this( Const.CONSTANT_UTF8, s );
    }

    public static ConstantObject read( int t, DataInput i ) throws IOException{
	return new UnicodeConstant( t, i.readUTF() );
    }

    public void write( DataOutput o ) throws IOException{
	o.writeByte( tag );
	o.writeUTF( string );
    }

    public int hashCode() {
	return string.hashCode();
    }

    public boolean equals(Object o) {
	if (o instanceof UnicodeConstant) {
	    UnicodeConstant a = (UnicodeConstant) o;
	    return string.equals(a.string);
	} else {
	    return false;
	}
    }

    public String toString() {
	return string;
    }

    public boolean isResolved(){ return true; }
}