org.jasig.portlet.blackboardvcportlet.dao.ws.impl.MultimediaWSDaoImpl.java Source code

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Here is the source code for org.jasig.portlet.blackboardvcportlet.dao.ws.impl.MultimediaWSDaoImpl.java

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/**
 * Licensed to Apereo under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Apereo licenses this file to you 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 the following location:
 *
 *   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.jasig.portlet.blackboardvcportlet.dao.ws.impl;

import java.util.List;

import javax.activation.DataHandler;
import javax.xml.bind.JAXBElement;

import org.jasig.portlet.blackboardvcportlet.dao.ws.MultimediaWSDao;
import org.jasig.portlet.blackboardvcportlet.dao.ws.WSDaoUtils;
import org.jasig.portlet.blackboardvcportlet.service.util.SASWebServiceOperations;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.support.DataAccessUtils;
import org.springframework.stereotype.Service;

import com.elluminate.sas.BlackboardListRepositoryMultimedia;
import com.elluminate.sas.BlackboardListSessionContent;
import com.elluminate.sas.BlackboardMultimediaResponse;
import com.elluminate.sas.BlackboardMultimediaResponseCollection;
import com.elluminate.sas.BlackboardRemoveRepositoryMultimedia;
import com.elluminate.sas.BlackboardRemoveSessionMultimedia;
import com.elluminate.sas.BlackboardSetSessionMultimedia;
import com.elluminate.sas.BlackboardUploadRepositoryContent;
import com.elluminate.sas.ObjectFactory;

@Service
public class MultimediaWSDaoImpl implements MultimediaWSDao {

    protected Logger logger = LoggerFactory.getLogger(getClass());

    private SASWebServiceOperations sasWebServiceOperations;

    @Autowired
    public void setSasWebServiceOperations(SASWebServiceOperations sasWebServiceOperations) {
        this.sasWebServiceOperations = sasWebServiceOperations;
    }

    @Override
    public List<BlackboardMultimediaResponse> getRepositoryMultimedias(String creatorId, Long multimediaId,
            String description) {
        BlackboardListRepositoryMultimedia request = new ObjectFactory().createBlackboardListRepositoryMultimedia();
        if (creatorId == null && multimediaId == null && description == null) {
            throw new IllegalStateException("You must specify a creator, multimedia ID, or a description");
        }

        if (creatorId != null) {
            request.setCreatorId(creatorId);
        }
        if (multimediaId != null) {
            request.setMultimediaId(multimediaId);
        }

        if (description != null) {
            request.setDescription(description);
        }
        @SuppressWarnings("unchecked")
        final JAXBElement<BlackboardMultimediaResponseCollection> objSessionResponse = (JAXBElement<BlackboardMultimediaResponseCollection>) sasWebServiceOperations
                .marshalSendAndReceiveToSAS("http://sas.elluminate.com/ListRespositoryMultimedia", request);
        return objSessionResponse.getValue().getMultimediaResponses();
    }

    @Override
    public List<BlackboardMultimediaResponse> getSessionMultimedias(long bbSessionId) {
        BlackboardListSessionContent request = new ObjectFactory().createBlackboardListSessionContent();
        request.setSessionId(bbSessionId);

        JAXBElement<BlackboardListSessionContent> createListSessionMultimedia = new ObjectFactory()
                .createListSessionMultimedia(request);
        @SuppressWarnings("unchecked")
        final JAXBElement<BlackboardMultimediaResponseCollection> objSessionResponse = (JAXBElement<BlackboardMultimediaResponseCollection>) sasWebServiceOperations
                .marshalSendAndReceiveToSAS("http://sas.elluminate.com/ListSessionMultimedia",
                        createListSessionMultimedia);

        return objSessionResponse.getValue().getMultimediaResponses();
    }

    @Override
    public BlackboardMultimediaResponse uploadRepositoryMultimedia(String creatorId, String filename,
            String description, DataHandler content) {
        BlackboardUploadRepositoryContent request = new ObjectFactory().createBlackboardUploadRepositoryContent();
        request.setCreatorId(creatorId);
        request.setDescription(description);
        request.setFilename(filename);
        request.setContent(content);

        JAXBElement<BlackboardUploadRepositoryContent> realRequest = new ObjectFactory()
                .createUploadRepositoryMultimedia(request);

        @SuppressWarnings("unchecked")
        JAXBElement<BlackboardMultimediaResponseCollection> response = (JAXBElement<BlackboardMultimediaResponseCollection>) sasWebServiceOperations
                .marshalSendAndReceiveToSAS("http://sas.elluminate.com/UploadRepositoryMultimedia", realRequest);
        return DataAccessUtils.singleResult(response.getValue().getMultimediaResponses());

    }

    @Override
    public BlackboardMultimediaResponse createSessionMultimedia(long bbSessionId, String creatorId, String filename,
            String description, DataHandler content) {
        BlackboardMultimediaResponse multimediaMetaData = uploadRepositoryMultimedia(creatorId, filename,
                description, content);
        if (!linkSessionToMultimedia(bbSessionId, multimediaMetaData.getMultimediaId())) {
            logger.error("Error linking multimedia (" + multimediaMetaData.getMultimediaId() + ") to session ("
                    + bbSessionId + "), however upload was successful.");
        }
        return multimediaMetaData;
    }

    @Override
    public boolean linkSessionToMultimedia(long bbSessionId, long multimediaId) {
        BlackboardSetSessionMultimedia request = new ObjectFactory().createBlackboardSetSessionMultimedia();
        request.setMultimediaIds(Long.toString(multimediaId));
        request.setSessionId(bbSessionId);

        if (WSDaoUtils.isSuccessful(sasWebServiceOperations
                .marshalSendAndReceiveToSAS("http://sas.elluminate.com/SetSessionMultimedia", request))) {
            return true;
        } else {
            logger.error("Issue linking the multimedia id " + multimediaId + " with session " + bbSessionId);
            return false;
        }
    }

    @Override
    public boolean removeRepositoryMultimedia(long multimediaId) {
        BlackboardRemoveRepositoryMultimedia request = new ObjectFactory()
                .createBlackboardRemoveRepositoryMultimedia();
        request.setMultimediaId(multimediaId);
        return WSDaoUtils.isSuccessful(sasWebServiceOperations
                .marshalSendAndReceiveToSAS("http://sas.elluminate.com/RemoveRepositoryMultimedia", request));

    }

    @Override
    public boolean removeSessionMultimedia(long bbSessionId, long multimediaId) {
        BlackboardRemoveSessionMultimedia request = new ObjectFactory().createBlackboardRemoveSessionMultimedia();
        request.setSessionId(bbSessionId);
        request.setMultimediaId(multimediaId);

        return WSDaoUtils.isSuccessful(sasWebServiceOperations
                .marshalSendAndReceiveToSAS("http://sas.elluminate.com/RemoveSessionMultimedia", request));
    }

}