org.tsm.concharto.web.feedback.FeedbackController.java Source code

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Here is the source code for org.tsm.concharto.web.feedback.FeedbackController.java

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/*******************************************************************************
 * Copyright 2009 Time Space Map, LLC
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package org.tsm.concharto.web.feedback;

import java.io.UnsupportedEncodingException;
import java.util.Enumeration;

import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.validation.BindException;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;
import org.tsm.concharto.service.EmailService;

/**
 * Collect user feedback and send to a fixed email drop box
 *
 */
public class FeedbackController extends SimpleFormController {
    private static final Log log = LogFactory.getLog(FeedbackController.class);
    private EmailService emailService;
    private String sendFeedbackToAddress;

    public void setEmailService(EmailService emailService) {
        this.emailService = emailService;
    }

    public void setSendFeedbackToAddress(String sendFeedbackToAddress) {
        this.sendFeedbackToAddress = sendFeedbackToAddress;
    }

    @Override
    protected ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object command,
            BindException errors) throws Exception {
        FeedbackForm feedbackForm = (FeedbackForm) command;

        //send the feedback email 
        MimeMessage message = emailService.createMimeMessage();
        makeFeedbackMessage(message, feedbackForm, request);
        emailService.sendMessage(message);

        return super.onSubmit(request, response, command, errors);
    }

    @SuppressWarnings("unchecked")
    private String getBrowserInfo(HttpServletRequest request) {
        StringBuffer userRequestInfo = new StringBuffer().append(request.getRemoteAddr()).append("\n")
                .append(request.getRemoteHost()).append("\n");

        Enumeration headerNames = request.getHeaderNames();
        while (headerNames.hasMoreElements()) {
            String headerName = (String) headerNames.nextElement();
            //don't email cookies for security reasons
            if (!"cookie".equals(headerName)) {
                userRequestInfo.append(headerName).append(": ").append(request.getHeader(headerName)).append("\n");
            }

        }
        return userRequestInfo.toString();
    }

    private static final String FEEDBACK_SUBJECT = "Feedback: ";

    public MimeMessage makeFeedbackMessage(MimeMessage message, FeedbackForm feedbackForm,
            HttpServletRequest request) {

        //prepare the user info
        String requestInfo = getBrowserInfo(request);

        StringBuffer messageText = new StringBuffer(feedbackForm.getBody())
                .append("\n\n=============================================================\n").append(requestInfo);

        InternetAddress from = new InternetAddress();
        from.setAddress(feedbackForm.getEmail());
        InternetAddress to = new InternetAddress();
        to.setAddress(sendFeedbackToAddress);
        try {
            from.setPersonal(feedbackForm.getName());
            message.addRecipient(Message.RecipientType.TO, to);
            message.setSubject(FEEDBACK_SUBJECT + feedbackForm.getSubject());
            message.setText(messageText.toString());
            message.setFrom(from);
        } catch (UnsupportedEncodingException e) {
            log.error(e);
        } catch (MessagingException e) {
            log.error(e);
        }
        return message;
    }

}