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/*
* $Id: Test.java,v 1.1 2006/04/15 14:40:06 platform Exp $
* Created on 2006-4-15
*/
package org.json.simple;
import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import junit.framework.TestCase;
import org.json.simple.parser.ContainerFactory;
import org.json.simple.parser.ContentHandler;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
/**
* @author FangYidong<fangyidong@yahoo.com.cn>
*/
public class Test extends TestCase{
public void testDecode() throws Exception{
System.out.println("=======decode=======");
String s="[0,{\"1\":{\"2\":{\"3\":{\"4\":[5,{\"6\":7}]}}}}]";
Object obj=JSONValue.parse(s);
JSONArray array=(JSONArray)obj;
System.out.println("======the 2nd element of array======");
System.out.println(array.get(1));
System.out.println();
assertEquals("{\"1\":{\"2\":{\"3\":{\"4\":[5,{\"6\":7}]}}}}",array.get(1).toString());
JSONObject obj2=(JSONObject)array.get(1);
System.out.println("======field \"1\"==========");
System.out.println(obj2.get("1"));
assertEquals("{\"2\":{\"3\":{\"4\":[5,{\"6\":7}]}}}",obj2.get("1").toString());
s="{}";
obj=JSONValue.parse(s);
assertEquals("{}",obj.toString());
s="[5,]";
obj=JSONValue.parse(s);
assertEquals("[5]",obj.toString());
s="[5,,2]";
obj=JSONValue.parse(s);
assertEquals("[5,2]",obj.toString());
s="[\"hello\\bworld\\\"abc\\tdef\\\\ghi\\rjkl\\n123\\u4e2d\"]";
obj=JSONValue.parse(s);
assertEquals("hello\bworld\"abc\tdef\\ghi\rjkl\n123δΈ",((List)obj).get(0).toString());
JSONParser parser = new JSONParser();
s="{\"name\":";
try{
obj = parser.parse(s);
}
catch(ParseException pe){
assertEquals(ParseException.ERROR_UNEXPECTED_TOKEN, pe.getErrorType());
assertEquals(8, pe.getPosition());
}
s="{\"name\":}";
try{
obj = parser.parse(s);
}
catch(ParseException pe){
assertEquals(ParseException.ERROR_UNEXPECTED_TOKEN, pe.getErrorType());
assertEquals(8, pe.getPosition());
}
s="{\"name";
try{
obj = parser.parse(s);
}
catch(ParseException pe){
assertEquals(ParseException.ERROR_UNEXPECTED_TOKEN, pe.getErrorType());
assertEquals(6, pe.getPosition());
}
s = "[[null, 123.45, \"a\\\tb c\"}, true]";
try{
parser.parse(s);
}
catch(ParseException pe){
assertEquals(24, pe.getPosition());
System.out.println("Error at character position: " + pe.getPosition());
switch(pe.getErrorType()){
case ParseException.ERROR_UNEXPECTED_TOKEN:
System.out.println("Unexpected token: " + pe.getUnexpectedObject());
break;
case ParseException.ERROR_UNEXPECTED_CHAR:
System.out.println("Unexpected character: " + pe.getUnexpectedObject());
break;
case ParseException.ERROR_UNEXPECTED_EXCEPTION:
((Exception)pe.getUnexpectedObject()).printStackTrace();
break;
}
}
s = "{\"first\": 123, \"second\": [4, 5, 6], \"third\": 789}";
ContainerFactory containerFactory = new ContainerFactory(){
public List creatArrayContainer() {
return new LinkedList();
}
public Map createObjectContainer() {
return new LinkedHashMap();
}
};
try{
Map json = (Map)parser.parse(s, containerFactory);
Iterator iter = json.entrySet().iterator();
System.out.println("==iterate result==");
while(iter.hasNext()){
Map.Entry entry = (Map.Entry)iter.next();
System.out.println(entry.getKey() + "=>" + entry.getValue());
}
System.out.println("==toJSONString()==");
System.out.println(JSONValue.toJSONString(json));
assertEquals("{\"first\":123,\"second\":[4,5,6],\"third\":789}", JSONValue.toJSONString(json));
}
catch(ParseException pe){
pe.printStackTrace();
}
s = "{\"first\": 123, \"second\": [{\"s1\":{\"s11\":\"v11\"}}, 4, 5, 6], \"third\": 789}";
ContentHandler myHandler = new ContentHandler() {
public boolean endArray() throws ParseException {
System.out.println("endArray()");
return true;
}
public void endJSON() throws ParseException {
System.out.println("endJSON()");
}
public boolean endObject() throws ParseException {
System.out.println("endObject()");
return true;
}
public boolean endObjectEntry() throws ParseException {
System.out.println("endObjectEntry()");
return true;
}
public boolean primitive(Object value) throws ParseException {
System.out.println("primitive(): " + value);
return true;
}
public boolean startArray() throws ParseException {
System.out.println("startArray()");
return true;
}
public void startJSON() throws ParseException {
System.out.println("startJSON()");
}
public boolean startObject() throws ParseException {
System.out.println("startObject()");
return true;
}
public boolean startObjectEntry(String key) throws ParseException {
System.out.println("startObjectEntry(), key:" + key);
return true;
}
};
try{
parser.parse(s, myHandler);
}
catch(ParseException pe){
pe.printStackTrace();
}
class KeyFinder implements ContentHandler{
private Object value;
private boolean found = false;
private boolean end = false;
private String key;
private String matchKey;
public void setMatchKey(String matchKey){
this.matchKey = matchKey;
}
public Object getValue(){
return value;
}
public boolean isEnd(){
return end;
}
public void setFound(boolean found){
this.found = found;
}
public boolean isFound(){
return found;
}
public void startJSON() throws ParseException, IOException {
found = false;
end = false;
}
public void endJSON() throws ParseException, IOException {
end = true;
}
public boolean primitive(Object value) throws ParseException, IOException {
if(key != null){
if(key.equals(matchKey)){
found = true;
this.value = value;
key = null;
return false;
}
}
return true;
}
public boolean startArray() throws ParseException, IOException {
return true;
}
public boolean startObject() throws ParseException, IOException {
return true;
}
public boolean startObjectEntry(String key) throws ParseException, IOException {
this.key = key;
return true;
}
public boolean endArray() throws ParseException, IOException {
return false;
}
public boolean endObject() throws ParseException, IOException {
return true;
}
public boolean endObjectEntry() throws ParseException, IOException {
return true;
}
};
s = "{\"first\": 123, \"second\": [{\"k1\":{\"id\":\"id1\"}}, 4, 5, 6, {\"id\": 123}], \"third\": 789, \"id\": null}";
parser.reset();
KeyFinder keyFinder = new KeyFinder();
keyFinder.setMatchKey("id");
int i = 0;
try{
while(!keyFinder.isEnd()){
parser.parse(s, keyFinder, true);
if(keyFinder.isFound()){
i++;
keyFinder.setFound(false);
System.out.println("found id:");
System.out.println(keyFinder.getValue());
if(i == 1)
assertEquals("id1", keyFinder.getValue());
if(i == 2){
assertTrue(keyFinder.getValue() instanceof Number);
assertEquals("123", String.valueOf(keyFinder.getValue()));
}
if(i == 3)
assertTrue(null == keyFinder.getValue());
}
}
}
catch(ParseException pe){
pe.printStackTrace();
}
}
public void testEncode() throws Exception{
System.out.println("=======encode=======");
JSONArray array1=new JSONArray();
array1.add("abc\u0010a/");
array1.add(new Integer(123));
array1.add(new Double(222.123));
array1.add(new Boolean(true));
System.out.println("======array1==========");
System.out.println(array1);
System.out.println();
assertEquals("[\"abc\\u0010a\\/\",123,222.123,true]",array1.toString());
JSONObject obj1=new JSONObject();
obj1.put("name","fang");
obj1.put("age",new Integer(27));
obj1.put("is_developer",new Boolean(true));
obj1.put("weight",new Double(60.21));
obj1.put("array1",array1);
System.out.println("======obj1 with array1===========");
System.out.println(obj1);
System.out.println();
assertEquals("{\"array1\":[\"abc\\u0010a\\/\",123,222.123,true],\"weight\":60.21,\"age\":27,\"name\":\"fang\",\"is_developer\":true}",obj1.toString());
obj1.remove("array1");
array1.add(obj1);
System.out.println("======array1 with obj1========");
System.out.println(array1);
System.out.println();
assertEquals("[\"abc\\u0010a\\/\",123,222.123,true,{\"weight\":60.21,\"age\":27,\"name\":\"fang\",\"is_developer\":true}]",array1.toString());
List list = new ArrayList();
list.add("abc\u0010a/");
list.add(new Integer(123));
list.add(new Double(222.123));
list.add(new Boolean(true));
list.add(null);
System.out.println("======list==========");
System.out.println(JSONArray.toJSONString(list));
System.out.println();
assertEquals("[\"abc\\u0010a\\/\",123,222.123,true,null]",JSONArray.toJSONString(list));
Map map = new HashMap();
map.put("name","fang");
map.put("age",new Integer(27));
map.put("is_developer",new Boolean(true));
map.put("weight",new Double(60.21));
map.put("array1",list);
System.out.println("======map with list===========");
System.out.println(map);
System.out.println();
assertEquals("{\"array1\":[\"abc\\u0010a\\/\",123,222.123,true,null],\"weight\":60.21,\"age\":27,\"name\":\"fang\",\"is_developer\":true}",JSONObject.toJSONString(map));
Map m1 = new LinkedHashMap();
Map m2 = new HashMap();
List l1 = new LinkedList();
m1.put("k11","v11");
m1.put("k12","v12");
m1.put("k13", "v13");
m2.put("k21","v21");
m2.put("k22","v22");
m2.put("k23","v23");
l1.add(m1);
l1.add(m2);
String jsonString = JSONValue.toJSONString(l1);
System.out.println(jsonString);
assertEquals("[{\"k11\":\"v11\",\"k12\":\"v12\",\"k13\":\"v13\"},{\"k22\":\"v22\",\"k21\":\"v21\",\"k23\":\"v23\"}]", jsonString);
StringWriter out = new StringWriter();
JSONValue.writeJSONString(l1, out);
jsonString = out.toString();
System.out.println(jsonString);
assertEquals("[{\"k11\":\"v11\",\"k12\":\"v12\",\"k13\":\"v13\"},{\"k22\":\"v22\",\"k21\":\"v21\",\"k23\":\"v23\"}]", jsonString);
List l2 = new LinkedList();
Map m3 = new LinkedHashMap();
m3.put("k31", "v3");
m3.put("k32", new Double(123.45));
m3.put("k33", new Boolean(false));
m3.put("k34", null);
l2.add("vvv");
l2.add("1.23456789123456789");
l2.add(new Boolean(true));
l2.add(null);
m3.put("k35", l2);
m1.put("k14", m3);
out = new StringWriter();
JSONValue.writeJSONString(l1, out);
jsonString = out.toString();
System.out.println(jsonString);
assertEquals("[{\"k11\":\"v11\",\"k12\":\"v12\",\"k13\":\"v13\",\"k14\":{\"k31\":\"v3\",\"k32\":123.45,\"k33\":false,\"k34\":null,\"k35\":[\"vvv\",\"1.23456789123456789\",true,null]}},{\"k22\":\"v22\",\"k21\":\"v21\",\"k23\":\"v23\"}]",jsonString);
}
}
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