/*

  * Copyright 2002-2009 the original author or authors.

  *

  * 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 net.sf.json.processors;

 import java.math.BigDecimal;

 import java.math.BigInteger;

 import net.sf.json.JSON;

 import net.sf.json.JSONFunction;

 import net.sf.json.JSONNull;

 import net.sf.json.JSONString;

 /**

  * Verifies if a value is a valid JSON value.

  *

  * @author Andres Almiray <aalmiray@users.sourceforge.net>

  */

 public final class JsonVerifier {

    /**

     * Verifies if value is a valid JSON value.

     *

     * @param value the value to verify

     */

    public static boolean isValidJsonValue( Object value ) {

       if( JSONNull.getInstance()

             .equals( value ) || value instanceof JSON || value instanceof Boolean

             || value instanceof Byte || value instanceof Short

             || value instanceof Integer || value instanceof Long || value instanceof Double

             || value instanceof BigInteger || value instanceof BigDecimal

             || value instanceof JSONFunction || value instanceof JSONString

             || value instanceof String ){

          return true;

       }

       return false;

    }

 }