code.google.com

Author: UrielCh

json-smart/src/main/java/net/minidev/json/reader/JsonWriter.java

@@ -1,6 +1,7 @@
 package net.minidev.json.reader;
 
 import java.io.IOException;
+import java.math.BigDecimal;
 import java.math.BigInteger;
 import java.util.Date;
 import java.util.LinkedList;
@@ -204,7 +205,7 @@ public void writeJSONString(Float value, Appendable out, JSONStyle compression)
 			public void writeJSONString(Number value, Appendable out, JSONStyle compression) throws IOException {
 				out.append(value.toString());
 			}
-		}, Integer.class, Long.class, Byte.class, Short.class, BigInteger.class);
+		}, Integer.class, Long.class, Byte.class, Short.class, BigInteger.class, BigDecimal.class);
 
 		registerWriter(new JsonWriterI<Boolean>() {
 			public void writeJSONString(Boolean value, Appendable out, JSONStyle compression) throws IOException {

json-smart/src/test/java/net/minidev/json/test/TestBigValue.java

@@ -0,0 +1,43 @@
+package net.minidev.json.test;
+
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.util.HashMap;
+
+import net.minidev.json.JSONObject;
+import net.minidev.json.JSONValue;
+import junit.framework.TestCase;
+
+public class TestBigValue extends TestCase {
+	String bigStr = "12345678901234567890123456789";
+
+	/**
+	 * test BigDecimal serialization
+	 */
+	public void testBigDecimal() {
+		HashMap<String, Object> map = new HashMap<String, Object>();
+		BigDecimal bigDec = new BigDecimal(bigStr + "." + bigStr);
+		map.put("big", bigDec);
+		String test = JSONValue.toJSONString(map);
+		String result = "{\"big\":" + bigStr + "." +bigStr + "}";
+		assertEquals(result, test);
+		JSONObject obj =  (JSONObject)JSONValue.parse(test);
+		assertEquals(bigDec, obj.get("big"));
+		assertEquals(bigDec.getClass(), obj.get("big").getClass());
+	}
+
+	/**
+	 * test BigInteger serialization
+	 */
+	public void testBigInteger() {
+		HashMap<String, Object> map = new HashMap<String, Object>();
+		BigInteger bigInt = new BigInteger(bigStr);
+		map.put("big", bigInt);
+		String test = JSONValue.toJSONString(map);
+		String result = "{\"big\":" + bigStr + "}";
+		assertEquals(result, test);
+		JSONObject obj =  (JSONObject)JSONValue.parse(test);
+		assertEquals(bigInt, obj.get("big"));
+		assertEquals(bigInt.getClass(), obj.get("big").getClass());
+	}
+}