net.sourceforge.fenixedu.applicationTier.Servico.teacher.onlineTests.DeleteTestQuestion.java Source code

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Here is the source code for net.sourceforge.fenixedu.applicationTier.Servico.teacher.onlineTests.DeleteTestQuestion.java

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/**
 * Copyright  2002 Instituto Superior Tcnico
 *
 * This file is part of FenixEdu Core.
 *
 * FenixEdu Core is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * FenixEdu Core is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with FenixEdu Core.  If not, see <http://www.gnu.org/licenses/>.
 */
package net.sourceforge.fenixedu.applicationTier.Servico.teacher.onlineTests;

import net.sourceforge.fenixedu.applicationTier.Filtro.ExecutionCourseLecturingTeacherAuthorizationFilter;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.InvalidArgumentsServiceException;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.NotAuthorizedException;
import net.sourceforge.fenixedu.domain.onlineTests.Test;
import net.sourceforge.fenixedu.domain.onlineTests.TestQuestion;

import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Predicate;

import pt.ist.fenixframework.Atomic;
import pt.ist.fenixframework.FenixFramework;

public class DeleteTestQuestion {

    protected void run(String executionCourseId, String testId, final String questionId)
            throws InvalidArgumentsServiceException {
        Test test = FenixFramework.getDomainObject(testId);
        if (test == null) {
            throw new InvalidArgumentsServiceException();
        }

        TestQuestion testQuestion = (TestQuestion) CollectionUtils.find(test.getTestQuestionsSet(),
                new Predicate() {
                    @Override
                    public boolean evaluate(Object arg0) {
                        final TestQuestion testQuestion = (TestQuestion) arg0;
                        return testQuestion.getQuestion().getExternalId().equals(questionId);
                    }
                });
        if (testQuestion == null) {
            throw new InvalidArgumentsServiceException();
        }

        test.deleteTestQuestion(testQuestion);
    }

    // Service Invokers migrated from Berserk

    private static final DeleteTestQuestion serviceInstance = new DeleteTestQuestion();

    @Atomic
    public static void runDeleteTestQuestion(String executionCourseId, String testId, String questionId)
            throws InvalidArgumentsServiceException, NotAuthorizedException {
        ExecutionCourseLecturingTeacherAuthorizationFilter.instance.execute(executionCourseId);
        serviceInstance.run(executionCourseId, testId, questionId);
    }

}