org.obiba.onyx.engine.variable.impl.CaptureAndExportStrategyMapFactoryBean.java Source code

Introduction

Here is the source code for org.obiba.onyx.engine.variable.impl.CaptureAndExportStrategyMapFactoryBean.java

Source

/*******************************************************************************
 * Copyright 2008(c) The OBiBa Consortium. All rights reserved.
 * 
 * This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package org.obiba.onyx.engine.variable.impl;

import java.util.HashMap;
import java.util.Map;

import org.obiba.onyx.engine.variable.CaptureAndExportStrategy;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

/**
 * FactoryBean for creating a map of entity types to CaptureDateRangeStrategies.
 */
public class CaptureAndExportStrategyMapFactoryBean implements FactoryBean, ApplicationContextAware {
    //
    // Instance Variables
    //

    private ApplicationContext applicationContext;

    private Map<String, CaptureAndExportStrategy> strategyMap;

    //
    // FactoryBean Methods
    //

    @SuppressWarnings("unchecked")
    public Object getObject() throws Exception {
        if (strategyMap == null) {
            strategyMap = new HashMap<String, CaptureAndExportStrategy>();

            Map strategies = applicationContext.getBeansOfType(CaptureAndExportStrategy.class);
            for (Object value : strategies.values()) {
                CaptureAndExportStrategy strategy = (CaptureAndExportStrategy) value;
                strategyMap.put(strategy.getEntityType(), strategy);
            }
        }
        return strategyMap;
    }

    @SuppressWarnings("unchecked")
    public Class getObjectType() {
        return Map.class;
    }

    public boolean isSingleton() {
        return true;
    }

    //
    // ApplicationContextAware Methods
    //

    public void setApplicationContext(ApplicationContext applicationContext) {
        this.applicationContext = applicationContext;
    }
}