userimpl.java

动态代理实例源代码

package com.lakeviewtech;

/**
 * Implementation of the User interface.
 */
public class UserImpl implements User {

    /**
     * The username of this user.
     */
    private String username = null;

    /**
     * The password of this user.
     */
    private String password = null;

    /**
     * Gets the username of the User.
     */
    public String getUsername() {
        return username;
    }

    /**
     * Sets the username of the User.
     * @throws ValidationException indicates that validation of the proposed
     * username variable failed.  Contains information about what went wrong.
     */
    public void setUsername(String username) throws ValidationException {
        /* call the validator.  Alternatively, we could make the validator
           call directly and remove the base class.
        */
        BusinessObjectValidationService.validate(this, "setUsername", 
                                                 new Object[] {username});
        this.username = username;
    }

    /**
     * Gets the password of the User.
     */
    public String getPassword() {
        return password;
    }

    /**
     * Sets the password of the User.
     * @throws ValidationException indicates that validation of the proposed
     * password variable failed.  Contains information about what went wrong.
     */
    public void setPassword(String password) throws ValidationException {
        /* call the validator.  Alternatively, we could make the validator
           call directly and remove the base class.
        */
        BusinessObjectValidationService.validate(this, "setPassword", 
                                                 new Object[] {password});
        this.password = password;
    }

    /**
     * String representing the username and password of this User.
     */
    public String toString() {
        return "username: " + username + ", password: " + password;
    }
}