servercontextfactorybean.java

esri的ArcGIS Server超级学习模板程序（for java）

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

import com.esri.adf.web.ags.data.AGSUser;

import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;

import java.util.Properties;


/**
 * Managed bean class that can be configured with the necessary information needed
 * by a {@link IServerContextFactory} class for creating {@link IServerContext}
 * objects.
 */
public class ServerContextFactoryBean {
    /**
     * {@link Logger} used to log messages for this class.
     */
    private static Logger _logger = LogManager.getLogger(ServerContextFactoryBean.class);

    /**
     * {@link AGSUser} necessary for creating an {@link IServerContext} object.
     */
    private AGSUser m_user = null;

    /**
     * Configured {@link IServerContextFactory} class.
     */
    private String m_factoryClass = null;

    /**
     * Host name necessary for creating an {@link IServerContext} object.
     */
    private String m_host = null;

    /**
     * Service name necessary for creating an {@link IServerContext} object.
     */
    private String m_service = "";

    /**
     * Configuration property for the service type (optional).
     */
    private String m_serviceType = "";

    /**
     * Reference to the {@link IServerContextFactory} object specified by the
     * {@link #m_factoryClass}.
     */
    private IServerContextFactory m_factory = null;

    /**
     * Gets the name of the host that will be used to create an
     * {@link IServerContext} object.
     *
     * @return {@link String} name of the host.
     */
    public String getHost() {
        return m_host;
    }

    /**
     * Sets the name of the host that will be used to create an
     * {@link IServerContext} object.
     *
     * @param host {@link String} name of the host.
     */
    public void setHost(String host) {
        m_host = host;
    }

    /**
     * Gets the {@link AGSUser} containing username and password information that is
     * needed to create an {@link IServerContext} object.
     *
     * @return {@link AGSUser} to be used when creating an {@link IServerContext} object.
     */
    public AGSUser getUser() {
        return m_user;
    }

    /**
     * Sets the {@link AGSUser} containing username and password information that is
     * needed to create an {@link IServerContext} object.
     *
     * @param user {@link AGSUser} to be used when creating an {@link IServerContext} object.
     */
    public void setUser(AGSUser user) {
        m_user = user;
    }

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

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

    /**
     * Gets the name of the service (optional) that can be used to create
     * the {@link IServerContext} object.
     *
     * @return {@link String} name of the service (optional).
     */
    public String getService() {
        return m_service;
    }

    /**
     * Sets the name of the service (optional) that can be used to
     * create the {@link IServerContext} object.
     *
     * @param service {@ink String} name of the service.
     */
    public void setService(String service) {
        m_service = service;
    }

    /**
     * Gets the type of the service (optional) used to create an {@link IServerContext}
     * object.
     *
     * @return {@link String} service type.
     */
    public String getServiceType() {
        return m_serviceType;
    }

    /**
     * Sets the type of the service (optional) used to create an {@link IServerContext}
     * object.
     *
     * @param type {@link String} service type.
     */
    public void setServiceType(String type) {
        m_serviceType = type;
    }

    /**
     * Gets the {@link IServerContextFactory} object used to create
     * {@link IServerContext} object.
     *
     * <p>
     * To get a create an {@link IServerContext} object use the method
     * {@link IServerContextFactory#createServerContext()}.
     * </p>
     *
     * @return {@link IServerContextFactory} object used to create the
     *                         {@link IServerContext}.
     */
    public IServerContextFactory getFactory() {
        Properties props = null;

        if (m_factory == null) {
            try {
                m_factory = (IServerContextFactory) Class.forName(m_factoryClass)
                                                         .newInstance();
            } catch (ClassNotFoundException ex) {
                _logger.warn("Unable to find concrete factory implementation class.",
                    ex);
            } catch (IllegalAccessException ex) {
                _logger.warn("Unable to create Server Context factory", ex);
            } catch (InstantiationException ex) {
                _logger.warn("Unable to create Server Context factory", ex);
            }
        }

        props = new Properties();

        props.setProperty("HOST", getHost());
        props.setProperty("DOMAIN", getUser().getDomain());
        props.setProperty("USERNAME", getUser().getUserName());
        props.setProperty("PASSWORD", getUser().getPassword());
        props.setProperty("PASSWORD_ENCRYPTED",
            String.valueOf(getUser().isPasswordEncrypted()));
        props.setProperty("SERVICE", getService());
        props.setProperty("SERVICE_TYPE", getServiceType());

        m_factory.setConnectionInfo(props);

        return m_factory;
    }
}