testapp.web.StatementFormController.java Source code

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Here is the source code for testapp.web.StatementFormController.java

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/*
 * Copyright Northwestern University and SemanticBits, LLC
 * 
 * Distributed under the OSI-approved BSD 3-Clause License.
 * See http://ncip.github.com/ctms-commons/LICENSE.txt for details.
 */
package testapp.web;

import java.util.Date;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.view.RedirectView;

import testapp.bean.Person;
import testapp.bean.Statement;
import testapp.dao.PersonDao;
import testapp.dao.StatementDao;

public class StatementFormController extends SimpleFormController {

    private static final Log logger = LogFactory.getLog(StatementFormController.class);

    private StatementDao statementDao;

    private PersonDao personDao;

    public PersonDao getPersonDao() {
        return personDao;
    }

    public void setPersonDao(PersonDao personDao) {
        this.personDao = personDao;
    }

    public StatementFormController() {
        setCommandName("statement");
        setSessionForm(true);
        setBindOnNewForm(true);
    }

    protected Object formBackingObject(HttpServletRequest request) throws ServletException {
        Statement s = null;
        String statementId = request.getParameter("statementId");
        if (statementId == null) {
            logger.debug("creating new statement");
            s = new Statement();
            String personId = request.getParameter("personId");
            if (personId == null || personId.trim().length() == 0) {
                throw new RuntimeException("no personId specified for new statement");
            }
            Person p = getPersonDao().findById(Long.valueOf(personId));
            s.setPerson(p);
        } else {
            logger.debug("fetching statement " + statementId);
            s = getStatementDao().findById(Long.valueOf(statementId));
        }
        return s;
    }

    protected ModelAndView onSubmit(Object command) throws ServletException {
        Statement s = (Statement) command;

        logger.debug("New Statement value: " + s.getValue());
        if (s.getId() == null) {
            logger.debug("Saving");
            s.setDate(new Date(System.currentTimeMillis()));
            getStatementDao().save(s);
        } else {
            logger.debug("Updating");
            getStatementDao().update(s);
        }
        Person p = s.getPerson();
        getPersonDao().update(p);
        p = getPersonDao().findById(p.getId());
        return new ModelAndView(new RedirectView(getSuccessView() + "?personId=" + p.getId()), "person", p);
    }

    public StatementDao getStatementDao() {
        return statementDao;
    }

    public void setStatementDao(StatementDao statementDao) {
        this.statementDao = statementDao;
    }

}