signupform.java

来自「this is for appfuse1.8 source using stru」· Java 代码 · 共 147 行

package org.appfuse.webapp.action;

import java.io.IOException;
import java.util.Map;

import org.apache.commons.lang.StringUtils;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.event.PageEvent;
import org.apache.tapestry.event.PageRenderListener;
import org.apache.tapestry.form.IPropertySelectionModel;
import org.apache.tapestry.valid.IValidationDelegate;
import org.apache.tapestry.valid.ValidationConstraint;
import org.appfuse.Constants;
import org.appfuse.model.User;
import org.appfuse.service.MailEngine;
import org.appfuse.service.RoleManager;
import org.appfuse.service.UserExistsException;
import org.appfuse.service.UserManager;
import org.appfuse.util.StringUtil;
import org.appfuse.webapp.util.RequestUtil;
import org.springframework.context.ApplicationContext;
import org.springframework.mail.SimpleMailMessage;

public abstract class SignupForm extends BasePage implements PageRenderListener {
    private IPropertySelectionModel countries;  

    public abstract UserManager getUserManager();
    public abstract void setUserManager(UserManager manager);
    public abstract RoleManager getRoleManager();
    public abstract void setRoleManager(RoleManager manager);
    public abstract void setUser(User user);
    public abstract User getUser();
    
    public IPropertySelectionModel getCountries() {
        if (countries == null) {
            countries = new CountryModel(getLocale());
        }
        return countries;
    }
    
    public void pageBeginRender(PageEvent event) {
        if (getUser() == null && !event.getRequestCycle().isRewinding()) {
            setUser(new User());
        } else if (event.getRequestCycle().isRewinding()) {
            setUser(new User());
        }
     }
    
    public void cancel(IRequestCycle cycle) throws IOException {
        if (log.isDebugEnabled()) {
            log.debug("entered cancel method");
        }
        getResponse().sendRedirect(getRequest().getContextPath());
    }
    
    public void save(IRequestCycle cycle) throws UserExistsException {
        if (log.isDebugEnabled()) {
            log.debug("entered save method");
        }
        
        // make sure the password fields match
        IValidationDelegate delegate = getValidationDelegate();
        if (!StringUtils.equals(getUser().getPassword(), getUser().getConfirmPassword())) {
            addError(delegate, "confirmPasswordField", 
                     format("errors.twofields", getMessage("user.confirmPassword"), 
                             getMessage("user.password")),
                     ValidationConstraint.CONSISTENCY);
        }
        
        if (delegate.getHasErrors()) { 
            return; 
        }
        
        String algorithm =
            (String) getConfiguration().get(Constants.ENC_ALGORITHM);

        if (algorithm == null) { // should only happen for test case
            if (log.isDebugEnabled()) {
                log.debug("assuming testcase, setting algorithm to 'SHA'");
            }
            algorithm = "SHA";
        }
        
        User user = getUser();
        
        user.setPassword(StringUtil.encodePassword(user.getPassword(), algorithm));
        user.setEnabled(Boolean.TRUE);

        // Set the default user role on this new user
        user.addRole(getRoleManager().getRole(Constants.USER_ROLE));
        
        getUserManager().saveUser(getUser());
        
        try {
            getUserManager().saveUser(user);
        } catch (UserExistsException e) {
            log.warn(e.getMessage());
            addError(delegate, "usernameField",
                     format("errors.existing.user", user.getUsername(),
                            user.getEmail()), ValidationConstraint.CONSISTENCY);
            // redisplay the unencrypted passwords
            user.setPassword(user.getConfirmPassword());
            return;
        }

        // Set cookies for auto-magical login ;-)
        String loginCookie = getUserManager().createLoginCookie(user.getUsername());
        RequestUtil.setCookie(getResponse(), 
                              Constants.LOGIN_COOKIE, loginCookie,
                              getRequest().getContextPath());

        getSession().setAttribute(Constants.REGISTERED, Boolean.TRUE);

        // Send user an e-mail
        if (log.isDebugEnabled()) {
            log.debug("Sending user '" + user.getUsername()
                    + "' an account information e-mail");
        }

        Map global = (Map) getGlobal();
        ApplicationContext ctx =
            (ApplicationContext) global.get(BaseEngine.APPLICATION_CONTEXT_KEY);
        
        SimpleMailMessage message = (SimpleMailMessage) ctx.getBean("mailMessage");
        message.setTo(user.getFullName() + "<" + user.getEmail() + ">");
        
        StringBuffer msg = new StringBuffer();
        msg.append(getMessage("signup.email.message"));
        msg.append("\n\n" + getMessage("user.username"));
        msg.append(": " + user.getUsername() + "\n");
        msg.append(getMessage("user.password") + ": ");
        msg.append(user.getPassword());
        msg.append("\n\nLogin at: " + RequestUtil.getAppURL(getRequest()));
        message.setText(msg.toString());
        
        message.setSubject(getMessage("signup.email.subject"));
        
        MailEngine engine = (MailEngine) ctx.getBean("mailEngine");
        engine.send(message);
        
        MainMenu nextPage = (MainMenu) cycle.getPage("mainMenu");
        nextPage.setMessage(getMessage("user.registered"));
        cycle.activate(nextPage);
    }
}