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import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.jexl2.Expression;
import org.apache.commons.jexl2.JexlContext;
import org.apache.commons.jexl2.JexlEngine;
import org.apache.commons.jexl2.MapContext;
public class jexl {
public static void main(String[] args) {
List<Object> list = new ArrayList<Object>();
Student student = new Student("hah");
list.add(student);
for(Object obj : list){
Map<String,Object> map = new HashMap<String,Object>();
JexlEngine jexlEngine = new JexlEngine();
Expression expression = jexlEngine.createExpression("e.name");
map.put("e", obj);
JexlContext content = new MapContext(map);
System.out.println(expression.evaluate(content));
}
}
}
class Student implements Serializable{
/**
*
*/
private static final long serialVersionUID = 1L;
private String name;
public Student(String name) {
super();
this.name = name;
}
public Student() {
super();
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Override
public String toString() {
return "Student [name=" + name + "]";
}
}
import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.jexl2.JexlContext;
import org.apache.commons.jexl2.JexlEngine;
import org.apache.commons.jexl2.MapContext;
import org.apache.commons.jexl2.Expression;
public class jexl {
public static void main(String[] args) {
List<Object> list = new ArrayList<Object>();
Student student = new Student("22","hah");
Teacher teacher = new Teacher("11","33");
list.add(student);
list.add(teacher);
for(Object obj : list){
Map<String,Object> map = new HashMap<String,Object>();
JexlEngine jexlEngine = new JexlEngine();
jexlEngine.setSilent(true);
Expression expression = jexlEngine.createExpression("e.orgName");
JexlContext content = new MapContext();
content.set("e", obj);
System.out.println(expression.evaluate(content));
}
}
}
import java.io.Serializable;
public class Student implements Serializable{
/**
*
*/
private static final long serialVersionUID = 1L;
private String orgNo;
private String orgName;
public Student(String orgNo, String orgName) {
super();
this.orgNo = orgNo;
this.orgName = orgName;
}
public Student() {
super();
}
public String getOrgNo() {
return orgNo;
}
public void setOrgNo(String orgNo) {
this.orgNo = orgNo;
}
public String getOrgName() {
return orgName;
}
public void setOrgName(String orgName) {
this.orgName = orgName;
}
@Override
public String toString() {
return "Student [orgNo=" + orgNo + ", orgName=" + orgName + "]";
}
}
public class Teacher {
/**
*
*/
@SuppressWarnings("unused")
private static final long serialVersionUID = 1L;
private String orgNo;
private String orgName;
public Teacher() {
super();
}
public Teacher(String orgNo, String orgName) {
super();
this.orgNo = orgNo;
this.orgName = orgName;
}
public String getOrgNo() {
return orgNo;
}
public void setOrgNo(String orgNo) {
this.orgNo = orgNo;
}
public String getOrgName() {
return orgName;
}
public void setOrgName(String orgName) {
this.orgName = orgName;
}
@Override
public String toString() {
return "Teacher [orgNo=" + orgNo + ", orgName=" + orgName + "]";
}
}
List<Student> list = new ArrayList<>();
Student student = new Student("hah");
list.add(student);
for(Student : s){
Map<String,Object> map = new HashMap<String,Object>();
JexlEngine jexlEngine = new JexlEngine();
Expression expression = jexlEngine.createExpression("e");
map.put("e", s.getName());
JexlContext content = new MapContext(map);
System.out.println(expression.evaluate(content));
}