MemberElementImpl.java

/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is Forte for Java, Community Edition. The Initial
 * Developer of the Original Code is Sun Microsystems, Inc. Portions
 * Copyright 1997-2000 Sun Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.clazz;

import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.IOException;
import java.lang.reflect.Member;
import java.lang.reflect.Modifier;

import org.openide.src.MemberElement;
import org.openide.src.SourceException;
import org.openide.src.Identifier;
import org.openide.src.ClassElement;
import org.openide.src.SourceElement;
import org.openide.util.Utilities;
import org.openide.nodes.Node;

/** Implementation of the MemberElement.Impl for the class objects.
*
* @author Dafe Simonek
*/
public abstract class MemberElementImpl extends ElementImpl
    implements MemberElement.Impl {
    /** Asociated java reflection data */
    protected Object data;
    /** Cached name identifier */
    private transient Identifier name;

    static final long serialVersionUID =-6841890195552268874L;
    /** Constructor, asociates this impl with java reflection
    * Member element, which acts as data source.
    */
    public MemberElementImpl (final Object data) {
        super();
        this.data = data;
    }

    /** @return Modifiers for this element.
    */
    public int getModifiers () {
        if (data instanceof Class) {
            // Class doesn't implement Member interface...
            // and moreover we must throw away interface modifier if present
            try {
                return ((Class)data).getModifiers() & (~Modifier.INTERFACE);
            } catch (Exception exc) {
                return 0;
            }
        }
        return ((Member)data).getModifiers();
    }

    /** Unsupported. Throws SourceException
    */
    public void setModifiers (int mod) throws SourceException {
        throw new SourceException();
    }

    /** Getter for name of the field.
    * @return the name
    */
    public Identifier getName () {
        if (name == null) {
            String fullName = (data instanceof Class) ?
                              Utilities.getClassName((Class)data) :
                              ((Member)data).getName();

            int lastDot = fullName.lastIndexOf("."); // NOI18N
            name = (lastDot == -1) ?
                   Identifier.create(fullName) :
                   Identifier.create(fullName, fullName.substring(lastDot + 1));
        }
        return name;
    }

    /** Unsupported. Throws SourceException.
    */
    public void setName (Identifier name) throws SourceException {
        throw new SourceException();
    }

    /** Delegates to source element implementation class,
    * if it's possible.
    */
    public Node.Cookie getCookie (Class type) {
        ClassElement ce = ((MemberElement)element).getDeclaringClass();
        if ((ce == null) && (element instanceof ClassElement)) {
            ce = (ClassElement)element;
        }
        if (ce != null) {
            SourceElement se = ce.getSource();
            if (se != null) {
                return se.getCookie(type);
            }
        }
        return null;
    }

    public void writeExternal (ObjectOutput oi) throws IOException {
        oi.writeObject(data);
    }

    public void readExternal (ObjectInput oi) throws IOException, ClassNotFoundException {
        data = oi.readObject();
    }
}

/*
* Log
*  13   src-jtulach1.12        1/20/00  David Simonek   #2119 bugfix
*  12   src-jtulach1.11        1/13/00  David Simonek   i18n
*  11   src-jtulach1.10        1/13/00  David Simonek   i18n
*  10   src-jtulach1.9         1/10/00  Petr Hamernik   Identifier creating 
*       improved.
*  9    src-jtulach1.8         1/5/00   David Simonek   #2564
*  8    src-jtulach1.7         10/23/99 Ian Formanek    NO SEMANTIC CHANGE - Sun 
*       Microsystems Copyright in File Comment
*  7    src-jtulach1.6         8/9/99   Ian Formanek    Generated Serial Version 
*       UID
*  6    src-jtulach1.5         6/9/99   Ian Formanek    ---- Package Change To 
*       org.openide ----
*  5    src-jtulach1.4         5/12/99  Petr Hamernik   ide.src.Identifier 
*       updated
*  4    src-jtulach1.3         3/26/99  David Simonek   properties, actions 
*       completed, more robust now
*  3    src-jtulach1.2         2/17/99  Petr Hamernik   serialization changed.
*  2    src-jtulach1.1         2/3/99   David Simonek   
*  1    src-jtulach1.0         1/22/99  David Simonek   
* $
*/