/*

 * Copyright (c) 1998, 2004, Oracle and/or its affiliates. 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.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();

    }

}