/*
 * Copyright 1998-2004 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code 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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code 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 in the LICENSE file that
 * accompanied this code).
 *
 * 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 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package com.sun.tools.jdi;

import com.sun.jdi.*;


public class FieldImpl extends TypeComponentImpl 
                       implements Field, ValueContainer {

    FieldImpl(VirtualMachine vm, ReferenceTypeImpl declaringType, 
              long ref,
              String name, String signature, 
              String genericSignature, int modifiers) {
        super(vm, declaringType, ref, name, signature, 
              genericSignature, modifiers);
    }

    public boolean equals(Object obj) {
        if ((obj != null) && (obj instanceof FieldImpl)) {
            FieldImpl other = (FieldImpl)obj;
            return (declaringType().equals(other.declaringType())) &&
                   (ref() == other.ref()) &&
                   super.equals(obj);
        } else {
            return false;
        }
    }

    public int hashCode() {
        return (int)ref();
    }

    public int compareTo(Field field) {
        ReferenceTypeImpl declaringType = (ReferenceTypeImpl)declaringType();
        int rc = declaringType.compareTo(field.declaringType());
        if (rc == 0) {
            rc = declaringType.indexOf(this) - 
                 declaringType.indexOf(field);
        }
        return rc;
    }
    
    public Type type() throws ClassNotLoadedException {
        return findType(signature());
    }

    public Type findType(String signature) throws ClassNotLoadedException {
        ReferenceTypeImpl enclosing = (ReferenceTypeImpl)declaringType(); 
        return enclosing.findType(signature);
    }

    /**
     * @return a text representation of the declared type
     * of this field.
     */
    public String typeName() {
        JNITypeParser parser = new JNITypeParser(signature());
        return parser.typeName();
    }

    public boolean isTransient() {
        return isModifierSet(VMModifiers.TRANSIENT);
    }

    public boolean isVolatile() {
        return isModifierSet(VMModifiers.VOLATILE);
    }

    public boolean isEnumConstant() {
        return isModifierSet(VMModifiers.ENUM_CONSTANT);
    }

    public String toString() {
        StringBuffer buf = new StringBuffer();

        buf.append(declaringType().name());
        buf.append('.');
        buf.append(name());

        return buf.toString();
    }
}