1 /*
2 * Copyright 2002-2009 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package net.sf.json.processors;
18
19 import java.math.BigDecimal;
20 import java.math.BigInteger;
21
22 import net.sf.json.JSON;
23 import net.sf.json.JSONFunction;
24 import net.sf.json.JSONNull;
25 import net.sf.json.JSONString;
26
27 /**
28 * Verifies if a value is a valid JSON value.
29 *
30 * @author Andres Almiray <aalmiray@users.sourceforge.net>
31 */
32 public final class JsonVerifier {
33
34 /**
35 * Verifies if value is a valid JSON value.
36 *
37 * @param value the value to verify
38 */
39 public static boolean isValidJsonValue( Object value ) {
40 if( JSONNull.getInstance()
41 .equals( value ) || value instanceof JSON || value instanceof Boolean
42 || value instanceof Byte || value instanceof Short
43 || value instanceof Integer || value instanceof Long || value instanceof Double
44 || value instanceof BigInteger || value instanceof BigDecimal
45 || value instanceof JSONFunction || value instanceof JSONString
46 || value instanceof String ){
47 return true;
48 }
49 return false;
50 }
51 }