com.rdonasco.security.application.controllers.ApplicationDataManager.java Source code

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Here is the source code for com.rdonasco.security.application.controllers.ApplicationDataManager.java

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/*
 * Copyright 2013 Roy F. Donasco.
 * File Created on: 27-Jul-2013
 *
 * Licensed 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
 *
 *      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 com.rdonasco.security.application.controllers;

import com.rdonasco.common.exceptions.DataAccessException;
import com.rdonasco.common.i18.I18NResource;
import com.rdonasco.datamanager.services.DataManager;
import com.rdonasco.security.application.vo.ApplicationItemVO;
import com.rdonasco.security.application.vo.ApplicationItemVOBuilder;
import com.rdonasco.security.capability.utils.IconHelper;
import com.rdonasco.security.common.controllers.ClickListenerProvider;
import com.rdonasco.security.services.ApplicationManagerLocal;
import com.rdonasco.security.vo.ApplicationVO;
import com.vaadin.ui.Embedded;
import java.util.ArrayList;
import java.util.List;
import javax.ejb.EJB;

/**
 *
 * @author Roy F. Donasco
 */
public class ApplicationDataManager implements DataManager<ApplicationItemVO> {

    private ApplicationManagerLocal applicationManager;

    private ClickListenerProvider clickListenerProvider;

    public ClickListenerProvider getClickListenerProvider() {
        return clickListenerProvider;
    }

    public void setClickListenerProvider(ClickListenerProvider clickListenerProvider) {
        this.clickListenerProvider = clickListenerProvider;
    }

    private void addOptionalClickListener(Embedded icon, ApplicationItemVO applicationItemVO) {
        if (getClickListenerProvider() != null) {
            icon.addListener(getClickListenerProvider().provideClickListenerFor(applicationItemVO));
        }
    }

    @EJB
    public void setApplicationManager(ApplicationManagerLocal applicationManager) {
        this.applicationManager = applicationManager;
    }

    @Override
    public void deleteData(ApplicationItemVO data) throws DataAccessException {
        try {
            applicationManager.deleteApplication(data.getApplicationVO());
        } catch (Exception e) {
            throw new DataAccessException(e);
        }
    }

    @Override
    public ApplicationItemVO loadData(ApplicationItemVO data) throws DataAccessException {
        ApplicationItemVO applicationItemVO;
        try {
            final ApplicationVO applicationVO = applicationManager.loadApplicationWithID(data.getId());
            applicationItemVO = createApplicationItemVOWithIconAndListener(applicationVO);
        } catch (Exception e) {
            throw new DataAccessException(e);
        }
        return applicationItemVO;
    }

    @Override
    public List<ApplicationItemVO> retrieveAllData() throws DataAccessException {
        List<ApplicationVO> applicationVOList = applicationManager.retrieveAllApplication();
        List<ApplicationItemVO> applicationItemVOList = new ArrayList<ApplicationItemVO>(applicationVOList.size());
        for (ApplicationVO applicationVO : applicationVOList) {
            applicationItemVOList.add(createApplicationItemVOWithIconAndListener(applicationVO));
        }
        return applicationItemVOList;
    }

    @Override
    public ApplicationItemVO saveData(ApplicationItemVO data) throws DataAccessException {
        ApplicationItemVO applicationItemVOtoReturn = null;
        try {
            applicationItemVOtoReturn = createApplicationItemVOWithIconAndListener(
                    applicationManager.createNewApplication(data.getApplicationVO()));
        } catch (Exception e) {
            throw new DataAccessException(e);
        }
        return applicationItemVOtoReturn;
    }

    @Override
    public void updateData(ApplicationItemVO data) throws DataAccessException {
        try {
            applicationManager.updateApplication(data.getApplicationVO());
        } catch (Exception e) {
            throw new DataAccessException(e);
        }
    }

    private ApplicationItemVO createApplicationItemVOWithIconAndListener(final ApplicationVO applicationVO) {
        Embedded icon = IconHelper.createDeleteIcon(I18NResource.localize("Delete"));
        ApplicationItemVO applicationItemVO = new ApplicationItemVOBuilder().setApplicationVO(applicationVO)
                .setIcon(icon).createApplicationItemVO();
        addOptionalClickListener(icon, applicationItemVO);
        return applicationItemVO;
    }
}