package com.hoo.test;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import net.sf.json.JSON;
import net.sf.json.JSONArray;
import net.sf.json.JSONFunction;
import net.sf.json.JSONObject;
import net.sf.json.JSONSerializer;
import net.sf.json.JsonConfig;
import net.sf.json.processors.JsonValueProcessor;
import net.sf.json.util.PropertyFilter;
import net.sf.json.xml.XMLSerializer;
import org.apache.commons.beanutils.PropertyUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.hoo.entity.Birthday;
import com.hoo.entity.Student;
/
* <b>function:</b> 用json-lib转换java对象到JSON字符串
* 读取json字符串到java对象，序列化jsonObject到xml json-lib-version: json-lib-2.3-jdk15.jar
* 依赖包: commons-beanutils.jar commons-collections-3.2.jar ezmorph-1.0.3.jar
* commons-lang.jar commons-logging.jar
*
* @author hoojo
* @createDate Nov 28, 2010 2:28:39 PM
* @file JsonlibTest.java
* @package com.hoo.test
* @project WebHttpUtils
* @blog http://blog.csdn.net/IBM_hoojo
* @version 1.0
*/
@SuppressWarnings( { "deprecation", "unchecked" })
public class JsonlibTest {
private JSONArray jsonArray = null;
private JSONObject jsonObject = null;
private Student bean = null;
@Before
public void init() {
jsonArray = new JSONArray();
jsonObject = new JSONObject();
bean = new Student();
bean.setAddress("address");
bean.setEmail("email");
bean.setId(1);
bean.setName("haha");
Birthday day = new Birthday();
day.setBirthday("2010-11-22");
bean.setBirthday(day);
}
@After
public void destory() {
jsonArray = null;
jsonObject = null;
bean = null;
System.gc();
}
public final void fail(String string) {
System.out.println(string);
}
public final void failRed(String string) {
System.err.println(string);
}
/*
* =========================Java Object >>>> JSON String
* ===========================
*/
/
* <b>function:</b>转Java Bean对象到JSON
*
* @author hoojo
* @createDate Nov 28, 2010 2:35:54 PM
*/
@Test
public void testWriteEntity2JSON() {
fail("==============Java Bean >>> JSON Object==================");
fail(JSONObject.fromObject(bean).toString());
fail("==============Java Bean >>> JSON Array==================");
fail(JSONArray.fromObject(bean).toString());// array会在最外层套上[]
fail("==============Java Bean >>> JSON Object ==================");
fail(JSONSerializer.toJSON(bean).toString());
fail("========================JsonConfig========================");
JsonConfig jsonConfig = new JsonConfig();
jsonConfig.registerJsonValueProcessor(Birthday.class,
new JsonValueProcessor() {
public Object processArrayValue(Object value,
JsonConfig jsonConfig) {
if (value == null) {
return new Date();
}
return value;
}
public Object processObjectValue(String key, Object value,
JsonConfig jsonConfig) {
fail("key:" + key);
return value + "修改过的日期";
}
});
jsonObject = JSONObject.fromObject(bean, jsonConfig);
fail(jsonObject.toString());
Student student = (Student) JSONObject
.toBean(jsonObject, Student.class);
fail(jsonObject.getString("birthday"));
fail(student.toString());
fail("JsonPropertyFilter");
jsonConfig.setJsonPropertyFilter(new PropertyFilter() {
public boolean apply(Object source, String name, Object value) {
fail(source + "%%%" + name + "--" + value);
// 忽略birthday属性
if (value != null
&& Birthday.class.isAssignableFrom(value.getClass())) {
return true;
}
return false;
}
});
fail(JSONObject.fromObject(bean, jsonConfig).toString());
fail("JavaPropertyFilter");
jsonConfig.setRootClass(Student.class);
jsonConfig.setJavaPropertyFilter(new PropertyFilter() {
public boolean apply(Object source, String name, Object value) {
fail(name + "@" + value + "#" + source);
if ("id".equals(name) || "email".equals(name)) {
value = name + "@@";
return true;
}
return false;
}
});
// jsonObject = JSONObject.fromObject(bean, jsonConfig);
// student = (Student) JSONObject.toBean(jsonObject, Student.class);
// fail(student.toString());
student = (Student) JSONObject.toBean(jsonObject, jsonConfig);
fail("Student:" + student.toString());
}
/
* <b>function:</b>转换Java List集合到JSON
*
* @author hoojo
* @createDate Nov 28, 2010 2:36:15 PM
*/
@Test
public void testWriteList2JSON() {
fail("==============Java List >>> JSON Array==================");
List<Student> stu = new ArrayList<Student>();
stu.add(bean);
bean.setName("jack");
stu.add(bean);
fail(JSONArray.fromObject(stu).toString());
fail(JSONSerializer.toJSON(stu).toString());
}
/
* <b>function:</b>转Java Map对象到JSON
*
* @author hoojo
* @createDate Nov 28, 2010 2:37:35 PM
*/
@Test
public void testWriteMap2JSON() {
Map<String, Object> map = new HashMap<String, Object>();
map.put("A", bean);
bean.setName("jack");
map.put("B", bean);
map.put("name", "json");
map.put("bool", Boolean.TRUE);
map.put("int", new Integer(1));
map.put("arr", new String[] { "a", "b" });
map.put("func", "function(i){ return this.arr[i]; }");
fail("==============Java Map >>> JSON Object==================");
fail(JSONObject.fromObject(map).toString());
fail("==============Java Map >>> JSON Array ==================");
fail(JSONArray.fromObject(map).toString());
fail("==============Java Map >>> JSON Object==================");
fail(JSONSerializer.toJSON(map).toString());
}
/
* <b>function:</b> 转换更多数组类型到JSON
*
* @author hoojo
* @createDate Nov 28, 2010 2:39:19 PM
*/
@Test
public void testWriteObject2JSON() {
String[] sa = { "a", "b", "c" };
fail("==============Java StringArray >>> JSON Array ==================");
fail(JSONArray.fromObject(sa).toString());
fail(JSONSerializer.toJSON(sa).toString());
fail("==============Java boolean Array >>> JSON Array ==================");
boolean[] bo = { true, false, true };
fail(JSONArray.fromObject(bo).toString());
fail(JSONSerializer.toJSON(bo).toString());
Object[] o = { 1, "a", true, 'A', sa, bo };
fail("==============Java Object Array >>> JSON Array ==================");
fail(JSONArray.fromObject(o).toString());
fail(JSONSerializer.toJSON(o).toString());
fail("==============Java String >>> JSON ==================");
fail(JSONArray.fromObject("['json','is','easy']").toString());
fail(JSONObject.fromObject("{'json':'is easy'}").toString());
fail(JSONSerializer.toJSON("['json','is','easy']").toString());
fail("==============Java JSONObject >>> JSON ==================");
jsonObject = new JSONObject().element("string", "JSON").element(
"integer", "1").element("double", "2.0").element("boolean",
"true");
fail(JSONSerializer.toJSON(jsonObject).toString());
fail("==============Java JSONArray >>> JSON ==================");
jsonArray = new JSONArray().element("JSON").element("1").element("2.0")
.element("true");
fail(JSONSerializer.toJSON(jsonArray).toString());
fail("==============Java JSONArray JsonConfig#setArrayMode >>> JSON ==================");
List input = new ArrayList();
input.add("JSON");
input.add("1");
input.add("2.0");
input.add("true");
JSONArray jsonArray = (JSONArray) JSONSerializer.toJSON(input);
JsonConfig jsonConfig = new
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