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package com.qbq;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import junit.framework.TestCase;
import ognl.Ognl;
import ognl.OgnlException;
public class TestOgnl extends TestCase {
private void out(Object obj) {
System.out.println(obj);
}
public void testOgnl001() throws OgnlException {
User user = new User();
user.setUsername("John");
String value = (String) Ognl.getValue("username", user);
out(value);
assertEquals("John", value);
}
public void testOgnl002() throws OgnlException {
User user = new User();
Person p = new Person();
p.setName("Mike");
user.setPerson(p);
String value = (String) Ognl.getValue("person.name", user);
out(value);
assertEquals("Mike", value);
}
public void testOgnl003() throws OgnlException {
User user = new User();
Person p = new Person();
p.setName("Jim");
user.setPerson(p);
String value = (String) Ognl.getValue("#root.person.name", user);
out(value);
assertEquals("Jim", value);
}
public void testOgnl004() throws OgnlException {
Person p1 = new Person();
p1.setName("Jordan");
Person p2 = new Person();
p2.setName("Carter");
Map<String, Person> context = new HashMap<String, Person>();
context.put("p1", p1);
context.put("p2", p2);
String value = (String) Ognl.getValue("#p1.name + ' , ' + #p2.name", context, new Object());
out(value);
assertEquals("Jordan , Carter", value);
}
public void testOgnl005() throws OgnlException {
Person p1 = new Person();
p1.setName("Jordan");
Person p2 = new Person();
p2.setName("Carter");
Map<String, Person> context = new HashMap<String, Person>();
context.put("p1", p1);
context.put("p2", p2);
User root = new User();
root.setUsername("Miler");
String value = (String) Ognl.getValue("#p1.name + ' , ' + #p2.name + ' , ' + username", context, root);
out(value);
assertEquals("Jordan , Carter , Miler", value);
}
public void testOgnl006() throws OgnlException {
User user = new User();
Ognl.setValue("username", user, "John");
out(user.getUsername());
assertEquals("John", user.getUsername());
}
public void testOgnl007() throws OgnlException {
User user = new User();
Map<String, User> context = new HashMap<String, User>();
context.put("u", user);
Ognl.setValue("#u.username", context, new Object(), "John");
out(user.getUsername());
assertEquals("John", user.getUsername());
}
public void testOgnl008() throws OgnlException {
User user = new User();
Map<String, User> context = new HashMap<String, User>();
context.put("u", user);
Ognl.getValue("#u.username = 'John'", context, new Object());
out(user.getUsername());
assertEquals("John", user.getUsername());
}
public void testOgnl009() throws OgnlException {
User user = new User();
Person person = new Person();
Map<String, Object> context = new HashMap<String, Object>();
context.put("u", user);
context.put("p", person);
Ognl.getValue("#u.username = 'John', #p.name = 'Mike'", context, new Object());
out(user.getUsername() + " , " + person.getName());
assertEquals("John", user.getUsername());
assertEquals("Mike", person.getName());
}
public void testOgnl010() throws OgnlException {
User user = new User();
user.setUsername("John");
String value = (String) Ognl.getValue("getUsername()", user);
out(value);
assertEquals("John", value);
}
public void testOgnl011() throws OgnlException {
User user = new User();
Ognl.getValue("setUsername('John')", user);
out(user.getUsername());
assertEquals("John", user.getUsername());
}
public void testOgnl012() throws OgnlException {
Object root = new Object();
Map<String, Object> context = new HashMap<String, Object>();
List<Object> values = new ArrayList<Object>();
for(int i=0; i<11; i++){
values.add(i);
}
context.put("values", values);
Ognl.getValue("@[email protected](#values.size.(#this > 10 ? \"Bigger than 10\" : 'Not Bigger than 10'))", context, root);
String value = (String) Ognl.getValue("#values.size.(#this > 10 ? \"Bigger than 10\" : 'Not Bigger than 10')", context, root);
assertEquals("Bigger than 10", value);
}
public void testOgnl013() throws Exception{
User user = new User();
Ognl.getValue("setUsername('John')", user);
Ognl.getValue("@[email protected](#this.username)", user);
String value = (String) Ognl.getValue("#this.username", user);
assertEquals("John", value);
}
public void testOgnl014() throws Exception{
User user = new User();
Ognl.getValue("setUsername('John')", user);
Ognl.getValue("@[email protected](username.(#this.toLowerCase()))", user);
String value = (String) Ognl.getValue("username.(#this.toLowerCase())", user);
assertEquals("john", value);
}
public void testOgnl015() throws Exception{
Object root = new Object();
Map<String, Object> context = new HashMap<String, Object>();
User u = new User();
u.setUsername("John");
context.put("u", u);
context.put("fact", "username");
String value = (String)Ognl.getValue("#fact(#u)", context, root);
out(value);
assertEquals("John", value);
}
public void testOgnl016() throws Exception{
Person person = new Person();
Map<String, Object> context = new HashMap<String, Object>();
User u = new User();
u.setUsername("John");
context.put("u", u);
/**
* 相当于调用person这个根对象的fact方法，并把#u的解释结果作为参数传入此方法
*/
String value = (String)Ognl.getValue("fact(#u)", context, person);
out(value);
assertEquals("John", value);
}
public void testOgnl017() throws Exception{
Person person = new Person();
Map<String, Object> context = new HashMap<String, Object>();
User u = new User();
u.setUsername("John");
context.put("u", u);
/**
* 1、先计算表达式fact，得到结果是：username
* 2、解释括号中的表达式#u，其结果是user对象
* 3、把括号中表达式的结果作为root对象，解释在第一步中得到的结果（即把第一步的结果看成另外一个表达式）
*/
String value = (String)Ognl.getValue("(fact)(#u)", context, person);
out(value);
assertEquals("John", value);
}
public void testOgnl018() throws Exception{
Object root = new Object();
Map<String, Object> context = new HashMap<String, Object>();
//用OGNL创建List对象
List<Object> listvalue = (List<Object>)Ognl.getValue("{100,'one hundred','yibai'}", context, root);
context.put("listvalue", listvalue);
//用OGNL创建数组
int[] intarray= (int[])Ognl.getValue("new int[]{1,2,3}", context, root);
context.put("intarray", intarray);
//用OGNL创建Map对象
Map<String, Object> mapvalue = (Map<String, Object>)Ognl.getValue("#{'listvalue':#listvalue,'intarray':#intarray}", context, root);
context.put("mapvalue", mapvalue);
Ognl.getValue("@[email protected](#listvalue[2])", context, root);
Ognl.getValue("@[email protected](#intarray[0])", context, root);
Ognl.getValue("@[email protected](#mapvalue['intarray'][1])", context, root);
Ognl.getValue("@[email protected](#mapvalue.intarray[2])", context, root);
assertEquals("yibai", Ognl.getValue("#listvalue[2]", context, root));
assertEquals(1, Ognl.getValue("#intarray[0]", context, root));
assertEquals(2, Ognl.getValue("#mapvalue['intarray'][1]", context, root));
assertEquals(3, Ognl.getValue("#mapvalue.intarray[2]", context, root));
}
}
class Person {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
// For test 016
public String fact(User user) {
return user.getUsername();
}
// For test 017
public String fact = "username";
}
class User {
private String username;
private Person person;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public Person getPerson() {
return person;
}
public void setPerson(Person person) {
this.person = person;
}
}
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