/*

  * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons-sandbox//contract/src/java/org/apache/commons/contract/constraints/TreeConstraints.java,v 1.1 2004/10/08 09:36:19 dflorey Exp $

  * $Revision: 155440 $

  * $Date: 2005-02-26 13:18:56 +0000 (Sat, 26 Feb 2005) $

  *

  * ====================================================================

  *

  * Copyright 2004 The Apache Software Foundation 

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  *

  */

 package org.apache.commons.contract.constraints;

 import org.apache.commons.contract.Context;

 import org.apache.commons.i18n.bundles.TextBundle;

 /**

  * The TreeValueDescriptor class

  * 

  */

 public class TreeConstraints implements Constraints {

         private Constraints entryConstraints;

     private Constraints arrayConstraints;

     public TreeConstraints() {

         this.entryConstraints = null;

         arrayConstraints = new ArrayConstraints(this);

     }

     public TreeConstraints(Constraints entryValueDescriptor) {

         this.entryConstraints = entryValueDescriptor;

         arrayConstraints = new ArrayConstraints(this);

     }

     public Object cast(Object value, Context context) throws CastException {

         try {

             return arrayConstraints.cast(value, context);

         } catch ( CastException exception ) {

             return entryConstraints.cast(value,  context);

         }

     }

     public void validate(Object value, Context context) throws ValidationException {

             if ( value instanceof Object[]) {

             arrayConstraints.validate(value, context);

             } else {

             entryConstraints.validate(value,  context);

         }

     }

     public TextBundle verboseConstraints() {

         return new TextBundle("booleansOnly");

     }

 }