Subversion Repositories bacoAlunos

package pt.estgp.estgweb.web.tags;

import org.apache.log4j.Logger;

import javax.servlet.jsp.tagext.BodyTagSupport;

import javax.servlet.jsp.JspException;

import javax.servlet.jsp.JspWriter;

import pt.estgp.estgweb.domain.UserSessionImpl;

import pt.estgp.estgweb.domain.UserImpl;

import pt.estgp.estgweb.utils.Globals;

public class IsStudentOfCourseUnitTag extends BodyTagSupport

{

    private static final 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(IsStudentOfCourseUnitTag.class);

    private long courseUnitId;

    public long getCourseUnitId()

    {

        return courseUnitId;

    }

    public void setCourseUnitId(long courseUnitId)

    {

        this.courseUnitId = courseUnitId;

    }

    /**

     *

     * @return

     * @throws javax.servlet.jsp.JspException

     */

    public int doStartTag() throws JspException

    {

        if (go())

        {

            return EVAL_BODY_BUFFERED;

        }

        else

            return SKIP_BODY;

    }

    public boolean go()

    {

        UserSessionImpl userSession = (UserSessionImpl) pageContext.getRequest().getAttribute(Globals.USER_SESSION_KEY);

        return userSession != null && userSession.getUser() != null && ((UserImpl)((userSession.getUser()))).checkIsStudentfCourseUnit(courseUnitId);

    }

    public int doEndTag() throws JspException

    {

        if (go())

        {

            1.5.0/docs/api/java/lang/String.html">String toPage = bodyContent.getString().trim();

            JspWriter writer = pageContext.getOut();

            try

            {

                writer.write(toPage);

            }

            catch (1.5.0/docs/api/java/lang/Exception.html">Exception e)

            {

                logger.error(e, e);

                throw new JspException(e);

            }

        }

        // Continue processing this page

        return EVAL_PAGE;

    }

}