Subversion Repositories bacoAlunos

package pt.estgp.estgweb.services.courses;

import com.owlike.genson.Genson;

import com.owlike.genson.TransformationException;

import com.owlike.genson.reflect.VisibilityFilter;

import jomm.utils.FilesUtils;

import jomm.utils.StreamsUtils;

import org.apache.log4j.Logger;

import org.dom4j.Document;

import org.json.JSONArray;

import org.json.JSONException;

import org.json.JSONObject;

import pt.estgp.estgweb.Globals;

import pt.estgp.estgweb.domain.*;

import pt.estgp.estgweb.domain.dao.DaoFactory;

import pt.estgp.estgweb.domain.views.CourseView;

import pt.estgp.estgweb.filters.chains.ResourceAccessControlEnum;

import pt.estgp.estgweb.services.courses.xsd.Curso;

import pt.estgp.estgweb.services.courses.xsd.UnidadeType;

import pt.estgp.estgweb.services.data.IRepositoryFile;

import pt.estgp.estgweb.services.data.RepositoryService;

import pt.estgp.estgweb.services.expceptions.AlreadyExistsException;

import pt.estgp.estgweb.services.expceptions.ServiceException;

import pt.estgp.estgweb.utils.ConfigProperties;

import pt.estgp.estgweb.utils.Dom4jUtil;

import pt.utl.ist.berserk.logic.serviceManager.IService;

import javax.xml.bind.JAXBContext;

import javax.xml.bind.JAXBException;

import javax.xml.bind.Marshaller;

import javax.xml.bind.Unmarshaller;

import java.io.IOException;

import java.io.InputStream;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.net.URL;

import java.util.*;

/*

 * @author Goncalo Luiz gedl [AT] rnl [DOT] ist [DOT] utl [DOT] pt

 *

 *

 * Created at 17/Out/2003 , 23:45:24

 *

 */

/**

 * @author Jorge Machado

 *

 *

 * Created at 17/Out/2003 , 23:45:24

 *

 */

public class CoursesService implements IService

{

    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(CoursesService.class);

    RepositoryService repositoryService = new RepositoryService();

    public CourseView loadCourse(long id, boolean initUnits) throws ServiceException

    {

        Course c = DaoFactory.getCourseDaoImpl().get(id);

        if(c != null)

        {

            CourseView cV = new CourseView(c,initUnits);

            if(c.getStudiesPlan() != null)

            {

                RepositoryFileImpl repositoryFile = repositoryService.loadView(c.getStudiesPlan());

                cV.setStudiesPlan(repositoryFile);

            }

            return cV;

        }

        return null;

    }

    public List<String> loadImportYears(UserSession userSession) throws ServiceException

    {

        List<String> importYears = DaoFactory.getCourseDaoImpl().loadImportYears();

        List<String> imStrings = new ArrayList<String>();

        for(1.5.0/docs/api/java/lang/String.html">String importYear: importYears)

        {

            imStrings.add(importYear);

        }

        return imStrings;

    }

    public CourseView loadCourseByCode(1.5.0/docs/api/java/lang/String.html">String code, boolean initUnits) throws ServiceException

    {

        try{

            Course c = DaoFactory.getCourseDaoImpl().findCourseByCode(code);

            if(c != null)

            {

                CourseView cV = new CourseView(c,initUnits);

                if(c.getStudiesPlan() != null)

                {

                    RepositoryFileImpl repositoryFile = repositoryService.loadView(c.getStudiesPlan());

                    cV.setStudiesPlan(repositoryFile);

                }

                return cV;

            }

        }

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

        {

            logger.error(e + " loading code:" + code,e);

            throw new ServiceException("loading code: " + code  + " - " + e.toString(),e);

        }

        return null;

    }

    public CourseView submitCourse(CourseView courseView,

                                   5+0%2Fdocs%2Fapi+InputStream">InputStream stream,

                                   1.5.0/docs/api/java/lang/String.html">String name,

                                   int size,

                                   1.5.0/docs/api/java/lang/String.html">String contentType,

                                   UserSession userSession) throws ServiceException, JAXBException, TransformationException, 1.5.0/docs/api/java/io/IOException.html">IOException {

        Course c;

        if(courseView.getId() > 0)

        {

            c = DaoFactory.getCourseDaoImpl().get(courseView.getId());

        }

        else

        {

            c = DaoFactory.getCourseDaoImpl().findCourseByCodeAndYear(courseView.getCode(),courseView.getImportYear());

            if(c != null)

                throw new AlreadyExistsException(AlreadyExistsException.ALREADY_EXISTS_COURSE);      

            c = DomainObjectFactory.createCourseImpl();

            DaoFactory.getCourseDaoImpl().save(c);

        }

        1.5.0/docs/api/java/lang/String.html">String htmlTrasformationResult = null;

        htmlTrasformationResult = uploadStudiesPlan(stream, name, size, contentType, userSession, c,false,null);

        courseView.persistViewInObject(c);

        CourseView cv = loadCourse(c.getId(),false);

        cv.setHtmlResult(htmlTrasformationResult);

        /**

         * New## generating course json

         */

        generateCourseJson(c);

        return cv;

    }

    private 1.5.0/docs/api/java/lang/String.html">String uploadStudiesPlan(5+0%2Fdocs%2Fapi+InputStream">InputStream stream, 1.5.0/docs/api/java/lang/String.html">String name, int size, 1.5.0/docs/api/java/lang/String.html">String contentType, UserSession userSession, Course c,boolean forceUrlFichas, 1.5.0/docs/api/java/lang/String.html">String systemUrl) throws JAXBException, TransformationException {

        1.5.0/docs/api/java/lang/String.html">String htmlTrasformationResult = null;

        if(stream != null && size > 0)

        {

            1.5.0/docs/api/java/lang/String.html">String extension = FilesUtils.getExtension(name);

            if(c.getStudiesPlan() == null)

            {

                1.5.0/docs/api/java/lang/String.html">String identifier = repositoryService.storeRepositoryFile(stream, contentType, extension, size, name, "course.studies.plan " + c.getName(), ResourceAccessControlEnum.publicDomain,userSession);

                c.setStudiesPlan(identifier);

            }

            else

            {

                repositoryService.updateRepositoryFile(c.getStudiesPlan(), stream, contentType, extension, size, name, "course.studies.plan " + c.getName(), ResourceAccessControlEnum.publicDomain);

            }

            htmlTrasformationResult = generateHtmlCache(userSession, c);

            //####New#### Generating XML with JaxB

            generateXmlJaxbStudiesPlanVersion(userSession, c,forceUrlFichas,systemUrl);

        }

        return htmlTrasformationResult;

    }

    private void generateCourseJson(Course cAux) throws 1.5.0/docs/api/java/io/IOException.html">IOException, TransformationException {

        CourseImpl c = (CourseImpl) DaoFactory.getCourseDaoImpl().narrow(cAux);

        if(c.getValidationRole() != null && c.getValidationRole().trim().length() > 0)

        {

            List<Teacher> courseComissionProxys = DaoFactory.getUserDaoImpl().loadRoleTeachers(c.getValidationRole());

            List<Teacher> courseComission = new ArrayList<Teacher>();

            for(Teacher t: courseComissionProxys)

            {

                courseComission.add(DaoFactory.getTeacherDaoImpl().narrow(t));

            }

            c.setCourseComission(courseComission);

        }

        //Getting Coordinator from proxy

        Teacher t = c.getCoordinator();

        if(t != null)

            t.getName();

        else

        {

            logger.warn("Course does not have coordinator");

        }

        1.5.0/docs/api/java/lang/String.html">String jsonCourse = getGensonCourse().serialize(c);

        c.setJson(jsonCourse);

    }

    private 1.5.0/docs/api/java/lang/String.html">String generateHtmlCache(UserSession userSession, Course c) {

        1.5.0/docs/api/java/lang/String.html">String htmlTrasformationResult = null;

        5+0%2Fdocs%2Fapi+InputStream">InputStream stream;IRepositoryFile repositoryFile = repositoryService.load(c.getStudiesPlan(),userSession);

        stream = repositoryFile.getInput();

        try

        {

            5+0%2Fdocs%2Fapi+Document">Document dom = Dom4jUtil.parse(stream);

            Map<String,Object> parameters = new HashMap<String,Object>();

            parameters.put("COURSE_SIGES_CODE",c.getCode());

            1.5.0/docs/api/java/lang/String.html">String html = Dom4jUtil.styleDocument(dom, Globals.TEMPLATE_COURSE_XSL_PATH,parameters);

            c.setCacheWebDocument(html);

        }

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

        {

            1.5.0/docs/api/java/io/StringWriter.html">StringWriter writer = new 1.5.0/docs/api/java/io/StringWriter.html">StringWriter();

            1.5.0/docs/api/java/io/PrintWriter.html">PrintWriter printWriter = new 1.5.0/docs/api/java/io/PrintWriter.html">PrintWriter(writer);

            e.printStackTrace(printWriter);

            htmlTrasformationResult = "<div class=\"error\"><pre>" + e.toString() + "\n" + printWriter.toString() + "</pre></div>";

            printWriter.close();

        }

        try

        {

            stream.close();

        }

        catch (1.5.0/docs/api/java/io/IOException.html">IOException e)

        {

            logger.error(e,e);

        }

        return htmlTrasformationResult;

    }

    /**

     * ##NEW METHOD###

     * Gera o XML normalizado para o JAXB a partir do XML importado do XML do plano XML quese usou no upload

     * para garantir que está bem formado

     * @param userSession

     * @param c

     * @return

     * @throws JAXBException if XML is not weel formed

     */

    private void generateXmlJaxbStudiesPlanVersion(UserSession userSession, Course c,boolean forceFichaCurricularUrlSet,1.5.0/docs/api/java/lang/String.html">String systemUrl) throws JAXBException, TransformationException

    {

        CourseStudiesPlan courseStudiesPlan;

        if(c.getStudiesPlan() == null || c.getStudiesPlan().trim().length() == 0)

        {

            logger.warn("Course does not have studies plan XML file stream to use in update");

            return;

        }

        if(c.getStudiesPlans() == null || c.getStudiesPlans().size() == 0)

        {

            logger.info("Generating first study plan");

            courseStudiesPlan = DomainObjectFactory.createCourseStudiesPlanImpl();

            courseStudiesPlan.setVersion(1);

            courseStudiesPlan.setVersionDescription("Auto gerado durante a importação de um XML com o plano de estudos a " + new 5+0%2Fdocs%2Fapi+Date">Date().toString());

            courseStudiesPlan.setCourse(c);

            if(c.getStudiesPlans() == null)

                c.setStudiesPlans(new HashSet<CourseStudiesPlan>());

            c.getStudiesPlans().add(courseStudiesPlan);

            DaoFactory.getCourseStudiesPlanDaoImpl().save(courseStudiesPlan);

        }

        else

        {

            courseStudiesPlan = c.getStudiesPlans().iterator().next();

            logger.info("Updating Study Plan version " + courseStudiesPlan.getVersion());

        }

        5+0%2Fdocs%2Fapi+InputStream">InputStream stream;

        IRepositoryFile repositoryFile = repositoryService.load(c.getStudiesPlan(),userSession);

        stream = repositoryFile.getInput();

        try {

            JAXBContext jc = JAXBContext.newInstance(Curso.class);

            Unmarshaller unmarshaller = jc.createUnmarshaller();

            Curso curso = (Curso) unmarshaller.unmarshal(stream);

            Marshaller marshaller = jc.createMarshaller();

            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);

            1.5.0/docs/api/java/io/StringWriter.html">StringWriter sw = new 1.5.0/docs/api/java/io/StringWriter.html">StringWriter();

            marshaller.marshal(curso, sw);

            //SETTING XML in COURSE STUDIES PLAN

            courseStudiesPlan.setXml(sw.toString());

            //##NOVO PARA GERAR LINK SE NAO EXISTIR

            generateAutoUrlFichasCurriculares(curso,systemUrl,forceFichaCurricularUrlSet);

            1.5.0/docs/api/java/lang/String.html">String json = getGensonCursoXmlObj().serialize(curso);

            //SETTING JSON in COURSE STUDIES PLAN

            courseStudiesPlan.setJson(json);

        } catch (JAXBException e) {

            logger.error(e,e);

            throw e;

        } catch (TransformationException e) {

            logger.error(e, e);

            throw e;

        } catch (1.5.0/docs/api/java/io/IOException.html">IOException e) {

            e.printStackTrace();

        }

        try

        {

            stream.close();

        }

        catch (1.5.0/docs/api/java/io/IOException.html">IOException e)

        {

            logger.error(e,e);

        }

    }

    private void generateAutoUrlFichasCurriculares(Curso curso,1.5.0/docs/api/java/lang/String.html">String systemUrl,boolean force)

    {

        for(Curso.Semestre s :curso.getSemestre())

        {

            for(Curso.Semestre.Perfil p :s.getPerfil())

            {

                for(UnidadeType unidadeType : p.getUnidade())

                {

                    generateAutoUrlUnidade(unidadeType,systemUrl,curso,s,force);

                }

            }

            for(UnidadeType unidadeType : s.getUnidade())

            {

                generateAutoUrlUnidade(unidadeType,systemUrl,curso,s,force);

            }

        }

    }

    private void generateAutoUrlUnidade(UnidadeType unidadeType,1.5.0/docs/api/java/lang/String.html">String systemUrl,Curso curso,Curso.Semestre semestre,boolean force)

    {

        if(force || unidadeType.getUrlFichaCurricular() == null || unidadeType.getUrlFichaCurricular().trim().length()==0)

        {

            logger.info("GENERATING FICHA CURRICULAR URL For " + unidadeType.getNome());

            1.5.0/docs/api/java/lang/String.html">String url = systemUrl != null ? systemUrl : "";

            if(!url.endsWith("/;"))

                url = url + "/";

            unidadeType.setUrlFichaCurricular(url + "startLoadCourseUnitSiges.do?unitCode=" + unidadeType.getSiges() + "&courseCode=" + curso.getSiges() + "&semestre=" + semestre.getId());

        }

    }

    private static Genson getGensonCursoXmlObj(){

        Genson genson = new Genson.Builder()

                .exclude("class")

                .create();

        return genson;

    }

    private static Genson getGensonCourse(){

        Genson genson = new Genson.Builder()

                .exclude(5+0%2Fdocs%2Fapi+Object">Object.class)

                .setUseFields(false)

                .setUseGettersAndSetters(true)

                .setMethodFilter(VisibilityFilter.PACKAGE_PUBLIC)

                .exclude("admin")

                .exclude("autoBlock")

                .exclude("autoBlockMode")

                .exclude("manualBlock")

                .exclude("newUser")

                .exclude("student")

                .exclude("superuser")

                .exclude("superuserOrAdmin")

                .exclude("teacher")

                .exclude("unitCheck")

                .exclude("id")

/*              .exclude(Course.class)

                .exclude(CourseImpl.class)

                .exclude(GenericUser.class)

                .exclude(User.class)

                .exclude(UserImpl.class)

                .exclude(Teacher.class)

                .exclude(TeacherImpl.class)

                .exclude(SigesUser.class)

                .exclude(SigesUserImpl.class)

                .exclude(GenericUser.class)

                .exclude(GenericUserImpl.class)

*/

                .exclude("id", Course.class)

                .exclude("status",Course.class)

                .include("degreeForJsonApi", CourseImpl.class)

                .include("schoolForJsonApi", CourseImpl.class)

                .include("statusForJsonApi", CourseImpl.class)

                .include("name", Course.class)

                .include("code", Course.class)

                .include("validationRole", Course.class)

                .include("courseComission", CourseImpl.class)

                .include("name", GenericUser.class)

                .include("email", GenericUser.class)

                .include("sigesCode", SigesUser.class)

                .include("coordinator", Course.class)

                .create();

        return genson;

    }

    public List<CourseView> loadCourses() throws ServiceException

    {

        List<Course> courses = DaoFactory.getCourseDaoImpl().findAllOrderByName();

        List<CourseView> courseViews = new ArrayList<CourseView>();

        for(Course c: courses)

        {

            CourseView courseView = new CourseView(c);

            courseViews.add(courseView);

        }

        return courseViews;

    }

    public List<CourseView> loadCoursesImportYearArea(1.5.0/docs/api/java/lang/String.html">String importYear, 1.5.0/docs/api/java/lang/String.html">String area) throws ServiceException

    {

        return loadCoursesImportYearAreaInstitution(importYear, area,null);

    }

    public List<CourseView> loadCoursesImportYearAreaInstitution(1.5.0/docs/api/java/lang/String.html">String importYear, 1.5.0/docs/api/java/lang/String.html">String area,1.5.0/docs/api/java/lang/String.html">String institutionCode) throws ServiceException

    {

        List<Course> courses = DaoFactory.getCourseDaoImpl().findAllOrderByName(importYear,area,null,institutionCode);

        List<CourseView> courseViews = new ArrayList<CourseView>();

        for(Course c: courses)

        {

            CourseView courseView = new CourseView(c);

            courseViews.add(courseView);

        }

        return courseViews;

    }

    public List<CourseView> loadCoursesImportYear() throws ServiceException

    {

        1.5.0/docs/api/java/lang/String.html">String importYearIntranet = DaoFactory.getConfigurationDaoImpl().getInterfaceImportYear();

        List<Course> courses = DaoFactory.getCourseDaoImpl().findAllOrderByName(importYearIntranet);

        List<CourseView> courseViews = new ArrayList<CourseView>();

        for(Course c: courses)

        {

            CourseView courseView = new CourseView(c);

            courseViews.add(courseView);

        }

        return courseViews;

    }

    public List<CourseView> loadCoursesImportYearByType(1.5.0/docs/api/java/lang/String.html">String type) throws ServiceException

    {

        1.5.0/docs/api/java/lang/String.html">String importYearIntranet = DaoFactory.getConfigurationDaoImpl().getInterfaceImportYear();

        List<Course> courses = DaoFactory.getCourseDaoImpl().findAllOrderByNameEvenWithoutCourseUnit(importYearIntranet,null,type);

        List<CourseView> courseViews = new ArrayList<CourseView>();

        for(Course c: courses)

        {

            CourseView courseView = new CourseView(c);

            courseViews.add(courseView);

        }

        return courseViews;

    }

    public List<CourseView> loadActiveCoursesByType(1.5.0/docs/api/java/lang/String.html">String type) throws ServiceException

    {

        1.5.0/docs/api/java/lang/String.html">String importYearIntranet = DaoFactory.getConfigurationDaoImpl().getInterfaceImportYear();

        List<Course> courses = DaoFactory.getCourseDaoImpl().findAllActiveOrderByNameEvenWithoutCourseUnit(importYearIntranet,null,type);

        List<CourseView> courseViews = new ArrayList<CourseView>();

        for(Course c: courses)

        {

            CourseView courseView = new CourseView(c);

            courseViews.add(courseView);

        }

        return courseViews;

    }

    /** JSON API **/

    /**

     * @SERVICE@

     *

     * @param school

     * @param type

     * @return

     * @throws JSONException

     */

    public JSONObject getActiveCoursesForJsonApi(1.5.0/docs/api/java/lang/String.html">String school,1.5.0/docs/api/java/lang/String.html">String type) throws JSONException {

        1.5.0/docs/api/java/lang/String.html">String institutionalCode = null;

        1.5.0/docs/api/java/lang/String.html">String degree = null;

        if(school != null && school.length() > 0)

            institutionalCode = ConfigProperties.getProperty("institution.code.prefix.inverse." + school);

        if(type != null && type.length() > 0)

            degree = ConfigProperties.getProperty("course.inverse." + type);

        List<Course> courses = DaoFactory.getCourseDaoImpl().findAllActiveOrderByNameEvenWithoutCourseUnit(institutionalCode,degree);

        JSONObject coursesResponse = new JSONObject();

        JSONArray coursesArray = new JSONArray();

        for(Course cAux: courses)

        {

            CourseImpl c = (CourseImpl) DaoFactory.getCourseDaoImpl().narrow(cAux);

            JSONObject courseJson = new JSONObject();

            courseJson.put("name",c.getName());

            courseJson.put("code",c.getCode());

            courseJson.put("schoolForJsonApi",c.getSchoolForJsonApi());

            courseJson.put("degreeForJsonApi",c.getDegreeForJsonApi());

            courseJson.put("statusForJsonApi",c.getStatusForJsonApi());

            courseJson.put("getDetailedInfoUrl","/wsjson/api?service=getCourse&code=" + c.getCode());

            coursesArray.put(courseJson);

        }

        coursesResponse.put("status","ok");

        coursesResponse.put("courses",coursesArray);

        return coursesResponse;

    }

    /**

     *

     * * @SERVICE@

     *

     * @param code

     * @return

     * @throws JSONException

     * @throws IOException

     * @throws TransformationException

     * @throws JAXBException

     */

    public JSONObject getCourseDetailForJsonApi(1.5.0/docs/api/java/lang/String.html">String code) throws JSONException, 1.5.0/docs/api/java/io/IOException.html">IOException, TransformationException, JAXBException {

        Course course = DaoFactory.getCourseDaoImpl().findCourseByCode(code);

        JSONObject coursesResponse = new JSONObject();

        if(course.getJson() == null)

        {

            logger.info("status JSON NOT EXIST FOR STUDIES PLAN IN THIS COURSE, will generate");

            new CoursesService().generateCourseJson(course);

        }

        if(course.getJson() != null)

        {

            JSONObject courseObj = new JSONObject(course.getJson());

            coursesResponse.put("courseInfo",courseObj);

            if(course.getStudiesPlans() == null || course.getStudiesPlans().size() == 0)

            {

                logger.info("status JSON NOT EXIST FOR STUDIES PLAN IN THIS COURSE, will generate");

                UserSession userSession = DomainObjectFactory.createUserSessionImpl();

                userSession.setUser(DaoFactory.getUserDaoImpl().load(new 1.5.0/docs/api/java/lang/Long.html">Long(1)));

                new CoursesService().generateXmlJaxbStudiesPlanVersion(userSession, course, false, null);

            }

            if(course.getStudiesPlans() != null)

            {

                CourseStudiesPlan studiesPlan = course.getStudiesPlans().iterator().next();

                JSONObject studiesPlanObj = new JSONObject(studiesPlan.getJson());

                studiesPlanObj.put("version",studiesPlan.getVersion());

                coursesResponse.put("courseStudiesPlan",studiesPlanObj);

            }

            else

            {

                coursesResponse.put("status","JSON NOT EXIST FOR STUDIES PLAN IN THIS COURSE");

            }

        }

        else

        {

            coursesResponse.put("status","JSON NOT EXIST FOR COURSE");

        }

        return coursesResponse;

    }

    /**

     * @SERVICE@

     *

     * @param code

     * @return

     * @throws JSONException

     */

    public 1.5.0/docs/api/java/lang/String.html">String getCourseStudiesPlanXml(1.5.0/docs/api/java/lang/String.html">String code) throws JSONException {

        Course course = DaoFactory.getCourseDaoImpl().findCourseByCode(code);

        if(course.getStudiesPlans() == null || course.getStudiesPlans().size() == 0)

        {

            logger.info("status JSON NOT EXIST FOR STUDIES PLAN IN THIS COURSE, will generate");

            UserSession userSession = DomainObjectFactory.createUserSessionImpl();

            userSession.setUser(DaoFactory.getUserDaoImpl().load(new 1.5.0/docs/api/java/lang/Long.html">Long(1)));

            try {

                generateXmlJaxbStudiesPlanVersion(userSession, course, false, null);

            } catch (JAXBException e) {

                logger.error(e,e);

                return "<error>" + e.toString() + ". see log for details</error>";

            } catch (TransformationException e) {

                logger.error(e, e);

                return "<error>" + e.toString() + ". see log for details</error>";

            }

        }

        if(course.getStudiesPlans() != null && course.getStudiesPlans().size() > 0)

        {

            return course.getStudiesPlans().iterator().next().getXml();

        }

        return "<error>Does not exixt</error>";

    }

    /**

     * @SERVICE@

     *

     * @param systemUrl

     * @param setActive

     * @return

     * @throws IOException

     * @throws JSONException

     * @throws TransformationException

     * @throws JAXBException

     */

    public 1.5.0/docs/api/java/lang/String.html">String sincronizeCoursesStudiesPlans(1.5.0/docs/api/java/lang/String.html">String systemUrl,boolean setActive) throws 1.5.0/docs/api/java/io/IOException.html">IOException, JSONException, TransformationException, JAXBException {

        1.5.0/docs/api/java/lang/StringBuilder.html">StringBuilder log = new 1.5.0/docs/api/java/lang/StringBuilder.html">StringBuilder();

        1.5.0/docs/api/java/net/URL.html">URL url = new 1.5.0/docs/api/java/net/URL.html">URL(systemUrl + "/wsjson/api?service=listCourses");

        5+0%2Fdocs%2Fapi+InputStream">InputStream is = url.openStream();

        1.5.0/docs/api/java/lang/String.html">String str = StreamsUtils.readString(is);

        JSONObject obj = new JSONObject(str);

        JSONArray courses = obj.getJSONArray("courses");

        for(int i = 0; i < courses.length();i++)

        {

            JSONObject course = courses.getJSONObject(i);

            1.5.0/docs/api/java/lang/String.html">String code = course.getString("code");

            Course c = DaoFactory.getCourseDaoImpl().findCourseByCode(code);

            if(c == null)

            {

                1.5.0/docs/api/java/lang/String.html">String msg = "SKIPING - Course " + code + " " + course.getString("name") + " does not exist in this system";

                log.append("<info>" + msg+"</info>");

                logger.info(msg);

            }

            else

            {

                1.5.0/docs/api/java/lang/String.html">String msg = "UPDATING - Course " + code + " " + course.getString("name") + " exist in this system";

                log.append("<info>" + msg+"</info>");

                logger.info(msg);

                //#############UPDATING STUDIES PLAN

                updateStudiesPlanFromRemoteSystem(systemUrl, setActive, log, course, code, c);

                //#############UPDATING Course Comission Members

                updateCourseComissionMembers(systemUrl, code, c);

            }

        }

        return log.toString();

    }

    /**

     * Update courseComission Members

     * @param systemUrl

     * @param code

     * @param c

     * @throws IOException

     * @throws JSONException

     */

    private void updateCourseComissionMembers(1.5.0/docs/api/java/lang/String.html">String systemUrl, 1.5.0/docs/api/java/lang/String.html">String code, Course c) throws 1.5.0/docs/api/java/io/IOException.html">IOException, JSONException {

        1.5.0/docs/api/java/net/URL.html">URL urlCourseDetails = new 1.5.0/docs/api/java/net/URL.html">URL(systemUrl + "/wsjson/api?service=getCourse&code=" + code);

        5+0%2Fdocs%2Fapi+InputStream">InputStream isCourseDetails = urlCourseDetails.openStream();

        1.5.0/docs/api/java/lang/String.html">String strCourseDetails = StreamsUtils.readString(isCourseDetails);

        JSONObject objCourseDetails = new JSONObject(strCourseDetails);

        1.5.0/docs/api/java/lang/String.html">String validationRole = objCourseDetails.getJSONObject("courseInfo").getString("validationRole");

        if(validationRole == null)

        {

            logger.info("validationRole is not defined");

        }

        else

        {

            logger.info("found validationRole: " + validationRole);

            c.setValidationRole(validationRole);

            JSONObject coordinator = objCourseDetails.getJSONObject("courseInfo").getJSONObject("coordinator");

            JSONArray courseComission = objCourseDetails.getJSONObject("courseInfo").getJSONArray("courseComission");

            Teacher coordinatorPersistent = findPersonFromCourseDetails(coordinator);

            if(coordinatorPersistent == null)

            {

                logger.warn("Coordinator does not exist in this system ");

            }

            else

            {

                c.setCoordinator(coordinatorPersistent);

            }

            for(int j = 0 ; j < courseComission.length(); j++)

            {

                JSONObject memberComission = courseComission.getJSONObject(j);

                Teacher memberPersistent = findPersonFromCourseDetails(memberComission);

                if(memberPersistent == null)

                {

                    logger.info("Member does not exist in this system ");

                }

                else

                {

                    logger.info("Adding role of course comission member");

                    if(!memberPersistent.hasRole(validationRole))

                    {

                        memberPersistent.addRole(validationRole);

                    }

                }

            }

        }

    }

    private Teacher findPersonFromCourseDetails(JSONObject coordinator) {

        int code;

        try {

            if(coordinator.has("sigesCode"))

            {

                code = coordinator.getInt("sigesCode");

            }

            else

            {

                logger.warn("there is no sigesCode for this person " + coordinator.toString());

                return null;

            }

        } catch (JSONException e){

            return null;

        } catch (1.5.0/docs/api/java/lang/NumberFormatException.html">NumberFormatException e){

            return null;

        }

        return DaoFactory.getTeacherDaoImpl().loadBySigesCode(code);

    }

    private void updateStudiesPlanFromRemoteSystem(1.5.0/docs/api/java/lang/String.html">String systemUrl, boolean setActive, 1.5.0/docs/api/java/lang/StringBuilder.html">StringBuilder log, JSONObject course, 1.5.0/docs/api/java/lang/String.html">String code, Course c) throws 1.5.0/docs/api/java/io/IOException.html">IOException, JSONException, TransformationException, JAXBException {

        1.5.0/docs/api/java/lang/String.html">String msg;

        5+0%2Fdocs%2Fapi+InputStream">InputStream stream = new 1.5.0/docs/api/java/net/URL.html">URL(systemUrl + "/wsjson/api?service=getStudiesPlanXml&code=" + code).openStream();

        1.5.0/docs/api/java/lang/String.html">String studiesPlan = StreamsUtils.readString(stream);

        int len = studiesPlan.length();

        if(studiesPlan == null || studiesPlan.trim().length() == 0 || studiesPlan.contains("<error>"))

        {

            msg = "Course " + code + " " + course.getString("name") + " dont has studies plan";

            log.append("<warn>" + msg+"</warn>");

            logger.warn(msg);

        }

        else

        {

            msg = "Found studies plan for "  + code + " " + course.getString("name") + " will update ";

            log.append("<info>" + msg+"</info>");