gazetteermanagerfactorybean.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.common.gazetteer;

import org.apache.log4j.Logger;

import java.util.Map;


/**
 * Class used for configuring the Gazetteer Manager Factory class and
 * all configured Gazetteer services via a JSF faces-config file.
 */
public class GazetteerManagerFactoryBean {
    /**
     * {@link Logger} used to log messages for this class.
     */
    private static final Logger _logger = Logger.getLogger(GazetteerManagerFactoryBean.class);

    /**
     * Fully qualified classpath name of the
     * {@link IGazetteerManagerFactory}.
     */
    private String m_factoryClass = null;

    /**
     * {@link Map} of configured Gazetteer services.
     *
     * <p>
     * Key:                ID of the Gazetteer service
     * Value:        Name of the Gazetteer service.
     * </p>
     */
    private Map<String, String> m_configuredServices = null;

    /**
     * Reference to the {@link IGazetteerManagerFactory} object.
     */
    private IGazetteerManagerFactory m_factory = null;

    /**
     * Default no-args constructor.
     */
    public GazetteerManagerFactoryBean() {
    }

    /**
     * Gets the fully qualified classpath name of the
     * {@link IGazetteerManagerFactory}.
     *
     * @return {@link String} fully qualified classpath name of the
     *                         {@link IGazetteerManagerFactory}.
     */
    public String getFactoryClass() {
        return m_factoryClass;
    }

    /**
     * Sets the fully qualified classpath name of the
     * {@link IGazetteerManagerFactory}.
     *
     * @param clazz {@link String} fully qualified classpath name of the
     *                         {@link IGazetteerManagerFactory}.
     */
    public void setFactoryClass(String clazz) {
        m_factoryClass = clazz;
    }

    /**
     * Gets the {@link Map} of configured Gazetteer services.
     *
     * <p>
     * Key:                ID of the Gazetteer service.
     * Value:        Name of the Gazetteer service.
     * </p>
     *
     * @return {@link Map} of configured Gazetteer services.
     */
    public Map<String, String> getConfiguredServices() {
        return m_configuredServices;
    }

    /**
     * Sets the {@link Map} of configured Gazetteer services.
     *
     * <p>
     * Key:                ID of the Gazetteer service.
     * Value:        Name of the Gazetteer service.
     * </p>
     *
     * @param services {@link Map} of configured Gazetteer services.
     */
    public void setConfiguredServices(Map<String, String> services) {
        m_configuredServices = services;
    }

    /**
     * Gets a reference to the {@link IGazetteerManagerFactory} used for creating/getting
     * the {@link IGazetteerManager} via {@link IGazetteerManagerFactory#getGazetteerManager()}.
     *
     * @return
     */
    public IGazetteerManagerFactory getFactory() {
        if (m_factory == null) {
            try {
                m_factory = (IGazetteerManagerFactory) Class.forName(m_factoryClass)
                                                            .newInstance();

                m_factory.setConfiguredServices(getConfiguredServices());
            } catch (ClassNotFoundException ex) {
                _logger.warn("Unable to find concrete factory implementation class.",
                    ex);
            } catch (IllegalAccessException ex) {
                _logger.warn("Unable to create CSW Manager factory", ex);
            } catch (InstantiationException ex) {
                _logger.warn("Unable to create CSW Manager factory", ex);
            }
        }

        return m_factory;
    }
}