Struts2 Validation using Annotation

Struts Validation using annotaions example.

Example1

UserAction.java

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1. package action;  
2.   
3. import com.opensymphony.xwork2.ActionSupport;  
4. import com.opensymphony.xwork2.validator.annotations.DateRangeFieldValidator;  
5. import com.opensymphony.xwork2.validator.annotations.EmailValidator;  
6. import com.opensymphony.xwork2.validator.annotations.IntRangeFieldValidator;  
7. import com.opensymphony.xwork2.validator.annotations.RequiredStringValidator;  
8. import com.opensymphony.xwork2.validator.annotations.StringLengthFieldValidator;  
9. import com.opensymphony.xwork2.validator.annotations.Validations;  
10. import java.util.Date;  
11. import java.util.Map;  
12. import org.apache.struts2.interceptor.RequestAware;  
13. import org.apache.struts2.interceptor.SessionAware;  
14.   
15. @Validations  
16. public class UserAction extends ActionSupport   
17.         implements RequestAware, SessionAware {  
18.   
19.     private String userName;  
20.     private String password;  
21.     private String confPassword;  
22.     private String email;  
23.     private Integer age;  
24.     private Date bday;  
25.   
26.     private Map<String, Object> requestMap;  
27.     private Map<String, Object> sessionMap;  
28.   
29.     public void validate() {  
30.   
31.         if (!password.equals(confPassword)) {  
32.             addActionError("Password mismatch");  
33.         }  
34.     }  
35.   
36.     public String login() {  
37.   
38.        return SUCCESS;  
39.     }  
40.   
41.     @DateRangeFieldValidator(max="12/31/2010", min="12/21/2010",  
42.             message="Invalid Date Range")  
43.     public Date getBday() {  
44.         return bday;  
45.     }  
46.   
47.     public void setBday(Date bday) {  
48.         this.bday = bday;  
49.     }  
50.   
51.     @StringLengthFieldValidator(maxLength="20", minLength="10",  
52.             message="Invalid password length", trim=false)  
53.     @RequiredStringValidator(message="Enter Password")  
54.     public String getPassword() {  
55.         return password;  
56.     }  
57.   
58.     public void setPassword(String password) {  
59.         this.password = password;  
60.     }  
61.   
62.     @StringLengthFieldValidator(maxLength="20", minLength="10",  
63.             message="Invalid username length", trim=true)  
64.     @RequiredStringValidator(message="Enter Username")  
65.     public String getUserName() {  
66.         return userName;  
67.     }  
68.   
69.     public void setUserName(String userName) {  
70.         this.userName = userName;  
71.     }  
72.   
73.     @RequiredStringValidator(message="Enter Confirm Password")  
74.     public String getConfPassword() {  
75.         return confPassword;  
76.     }  
77.   
78.     public void setConfPassword(String confPassword) {  
79.         this.confPassword = confPassword;  
80.     }  
81.   
82.     @RequiredStringValidator(message="Enter email")  
83.     @EmailValidator(message="Invalid email")  
84.     public String getEmail() {  
85.         return email;  
86.     }  
87.   
88.     public void setEmail(String email) {  
89.         this.email = email;  
90.     }  
91.   
92.     @IntRangeFieldValidator(min="18", max="25",message="Invalid age")      
93.     public Integer getAge() {  
94.         return age;  
95.     }  
96.   
97.     public void setAge(Integer age) {  
98.         this.age = age;  
99.     }  
100.   
101.     public void setRequest(Map<String, Object> map) {  
102.         System.out.println("set request");  
103.         requestMap = map;  
104.     }  
105.   
106.     public void setSession(Map<String, Object> map) {  
107.         System.out.println("set session" );  
108.         sessionMap = map;  
109.     }  
110.   
111. }  

package action;

import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.validator.annotations.DateRangeFieldValidator;
import com.opensymphony.xwork2.validator.annotations.EmailValidator;
import com.opensymphony.xwork2.validator.annotations.IntRangeFieldValidator;
import com.opensymphony.xwork2.validator.annotations.RequiredStringValidator;
import com.opensymphony.xwork2.validator.annotations.StringLengthFieldValidator;
import com.opensymphony.xwork2.validator.annotations.Validations;
import java.util.Date;
import java.util.Map;
import org.apache.struts2.interceptor.RequestAware;
import org.apache.struts2.interceptor.SessionAware;

@Validations
public class UserAction extends ActionSupport 
        implements RequestAware, SessionAware {

    private String userName;
    private String password;
    private String confPassword;
    private String email;
    private Integer age;
    private Date bday;

    private Map<String, Object> requestMap;
    private Map<String, Object> sessionMap;

    public void validate() {

        if (!password.equals(confPassword)) {
            addActionError("Password mismatch");
        }
    }

    public String login() {

       return SUCCESS;
    }

    @DateRangeFieldValidator(max="12/31/2010", min="12/21/2010",
            message="Invalid Date Range")
    public Date getBday() {
        return bday;
    }

    public void setBday(Date bday) {
        this.bday = bday;
    }

    @StringLengthFieldValidator(maxLength="20", minLength="10",
            message="Invalid password length", trim=false)
    @RequiredStringValidator(message="Enter Password")
    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    @StringLengthFieldValidator(maxLength="20", minLength="10",
            message="Invalid username length", trim=true)
    @RequiredStringValidator(message="Enter Username")
    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    @RequiredStringValidator(message="Enter Confirm Password")
    public String getConfPassword() {
        return confPassword;
    }

    public void setConfPassword(String confPassword) {
        this.confPassword = confPassword;
    }

    @RequiredStringValidator(message="Enter email")
    @EmailValidator(message="Invalid email")
    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    @IntRangeFieldValidator(min="18", max="25",message="Invalid age")    
    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }

    public void setRequest(Map<String, Object> map) {
        System.out.println("set request");
        requestMap = map;
    }

    public void setSession(Map<String, Object> map) {
        System.out.println("set session" );
        sessionMap = map;
    }

}

Example 2
UserAction.java

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1. package action;  
2.   
3.     import com.opensymphony.xwork2.validator.annotations.RequiredStringValidator;  
4.     import com.opensymphony.xwork2.validator.annotations.Validation;  
5.     import javax.servlet.http.HttpServletRequest;  
6.     import org.apache.struts2.ServletActionContext;  
7.     import com.opensymphony.xwork2.ActionSupport;  
8.   
9.     @Validation  
10.     public class UserAction extends ActionSupport {  
11.   
12.         private String userName;  
13.         private String password;  
14.   
15.         public String signIn() {  
16.               
17.             if(check user name and password with DB. if return true){      
18.                 return SUCCESS;  
19.             }  
20.             else{  
21.                 addActionError("Invalid Usernme or Password");  
22.                 return INPUT;  
23.             }  
24.         }  
25.          
26.         @RequiredStringValidator(message="Username Is Required")  
27.         public String getUserName() {  
28.             return userName;  
29.         }  
30.   
31.         public void setUserName(String userName) {  
32.             this.userName = userName;  
33.         }  
34.   
35.         @RequiredStringValidator(message="Password Is Required")  
36.         public String getPassword() {  
37.             return password;  
38.         }  
39.   
40.         public void setPassword(String password) {  
41.             this.password = password;  
42.         }  
43.     }  

package action;

    import com.opensymphony.xwork2.validator.annotations.RequiredStringValidator;
    import com.opensymphony.xwork2.validator.annotations.Validation;
    import javax.servlet.http.HttpServletRequest;
    import org.apache.struts2.ServletActionContext;
    import com.opensymphony.xwork2.ActionSupport;

    @Validation
    public class UserAction extends ActionSupport {

        private String userName;
        private String password;

        public String signIn() {
            
            if(check user name and password with DB. if return true){    
                return SUCCESS;
            }
            else{
                addActionError("Invalid Usernme or Password");
                return INPUT;
            }
        }
       
        @RequiredStringValidator(message="Username Is Required")
        public String getUserName() {
            return userName;
        }

        public void setUserName(String userName) {
            this.userName = userName;
        }

        @RequiredStringValidator(message="Password Is Required")
        public String getPassword() {
            return password;
        }

        public void setPassword(String password) {
            this.password = password;
        }
    }