/* Soot - a J*va Optimization Framework
 * Copyright (C) 2005 Jennifer Lhotak
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/*
 * Modified by the Sable Research Group and others 1997-1999.  
 * See the 'credits' file distributed with Soot for the complete list of
 * contributors.  (Soot is distributed at http://www.sable.mcgill.ca/soot)
 */

package soot.tagkit;
import java.util.*;

/** Represents the visibility of an annotation attribute attatched 
 * to a class, field, method or method param (only one of these each)
 * has one or more annotations
 * for Java 1.5.
 */

public class VisibilityAnnotationTag implements  Tag
{
    
    private int visibility;
    private ArrayList<AnnotationTag> annotations;
    
    public VisibilityAnnotationTag(int vis){
        this.visibility = vis;
    }
    
    // should also print here number of annotations and perhaps the annotations themselves
    public String toString() {
        StringBuffer sb = new StringBuffer("Visibility Annotation: level: ");
        switch(visibility) {
        case AnnotationConstants.RUNTIME_INVISIBLE:
        	sb.append("CLASS (runtime-invisible)");
        	break;
        case AnnotationConstants.RUNTIME_VISIBLE:
        	sb.append("RUNTIME (runtime-visible)");
        	break;
        case AnnotationConstants.SOURCE_VISIBLE:
        	sb.append("SOURCE");
        	break;
        }        
        sb.append("\n Annotations:"); 
        if (annotations != null){
            Iterator<AnnotationTag> it = annotations.iterator();
            while (it.hasNext()){
                sb.append("\n");
                sb.append(it.next().toString());
            }
        }
        sb.append("\n");
        return sb.toString();
    }

    /** Returns the tag name. */
    public String getName() {
        return "VisibilityAnnotationTag";
    }

    public String getInfo(){
        return "VisibilityAnnotation";
    }
    
    public int getVisibility(){
        return visibility;
    }
    
    /** Returns the tag raw data. */
    public byte[] getValue() {
        throw new RuntimeException( "VisibilityAnnotationTag has no value for bytecode" );
    }

    public void addAnnotation(AnnotationTag a){
        if (annotations == null){
            annotations = new ArrayList<AnnotationTag>();
        }
        annotations.add(a);
    }

    public ArrayList<AnnotationTag> getAnnotations(){
        return annotations;
    }

    public boolean hasAnnotations(){
        return annotations == null ? false : true;
    }
}