user.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.personalization.data;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.Serializable;
import java.text.MessageFormat;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;

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

import com.esri.solutions.jitk.personalization.PersonalizationException;
import com.esri.solutions.jitk.personalization.dao.IPersonalizationDAOProfile;
import com.esri.solutions.jitk.personalization.dao.IUserDAO;
import com.esri.solutions.jitk.personalization.dao.PersonalizationDAOException;
import com.esri.solutions.jitk.personalization.dao.UserInfoRecord;
import com.esri.solutions.jitk.personalization.dao.UserRecord;
import com.esri.solutions.jitk.personalization.data.beans.v1.ObjectFactory;
import com.esri.solutions.jitk.personalization.data.beans.v1.PreferenceSettingsType;

/**
 * Default implementation of the {@link IUser} interface.  This implementation
 * simply provides a setter for the UserId property.
 */
public class User implements IUser, Serializable {

	private static final String DEBUG_PREF_SETTINGS_BEFORE_UNMARSHALLING = "Preference Settings before Unmarshalling [{0}, {1}]";

	private static final String DEBUG_PREF_SETTINGS_AFTER_MARSHALL = "Preference Settings After Marshalling [{0}, {1}]";

	/**
	 * Serial Version UID
	 */
	private static final long serialVersionUID = 1160546624410653062L;
	
	/**
	 * Name of Java Package that contains JAXB-generated beans.
	 */
	private static final String JAXB_BEAN_PACKAGE_NAME = "com.esri.solutions.jitk.personalization.data.beans.v1";

	private static final Logger LOG = LogManager.getLogger(User.class);
	
	@SuppressWarnings("unused")
	private UserInfoRecord m_info;
	
	private PreferenceSettingsType m_prefs;
	
	private IPersonalizationDAOProfile m_daoProfile;
	
	private boolean m_new;
	
	private IUserId m_id;
	
	private boolean m_locked = false;
	
	/*
	 * (non-Javadoc)
	 * @see com.esri.solutions.jitk.personalization.data.IUser#getId()
	 */
	public IUserId getId () {
		return m_id;
	}
	
	/*
	 * (non-Javadoc)
	 * @see com.esri.solutions.jitk.personalization.data.IUser#isNew()
	 */
	public boolean isNew () {
		return m_new;
	}
	/*
	 * (non-Javadoc)
	 * @see com.esri.solutions.jitk.personalization.data.IUser#isLocked()
	 */
	public boolean isLocked () {
		return m_locked;
	}
	
	public void setUserInfoRecord (UserInfoRecord record) {
		if (record == null) {
			throw new NullPointerException();
		}
		m_info = record;
		
		if (m_info.getIsLocked() == null) {
			m_locked = false;
		} else if (m_info.getIsLocked().equals("1")) {
			m_locked = true;
		} else {
			m_locked = false;
		}
	}
	
	/*
	 * (non-Javadoc)
	 * @see com.esri.solutions.jitk.personalization.data.IUser#getPreferenceSettings()
	 */
	public PreferenceSettingsType getPreferenceSettings () throws PersonalizationException {
		
		if (m_prefs == null) {
			if (m_id == null) {
				throw new IllegalStateException();
			}
			if (m_daoProfile == null) {
				throw new IllegalStateException();
			}
			
			try {
				IUserDAO dao = m_daoProfile.getUserDAO();
				
				if (dao == null) {
					throw new IllegalArgumentException ();
				}
				
				UserRecord record = dao.selectOne(m_id.getUsername());
				byte[] data = record.getData();
				
				if (data != null) {
					if (LOG.isDebugEnabled()) {
						LOG.debug(MessageFormat.format(DEBUG_PREF_SETTINGS_BEFORE_UNMARSHALLING, m_id.getUsername(), new String(data)));
					}
					
					JAXBContext ctx = JAXBContext.newInstance(JAXB_BEAN_PACKAGE_NAME);
					Unmarshaller unmarshaller = ctx.createUnmarshaller();
					m_prefs = (PreferenceSettingsType) unmarshaller.unmarshal(new ByteArrayInputStream(data));
				} 
				
			} catch (PersonalizationDAOException e) {
				throw new PersonalizationException (
						PersonalizationException.Code.RETRIEVE_DATA_ERROR, 
						e);
				
			} catch (JAXBException e) {
				throw new PersonalizationException (
						PersonalizationException.Code.SERIALIZATION_ERROR, 
						e);
			}
		}
		
		return m_prefs;
	}
	
	/*
	 * (non-Javadoc)
	 * @see com.esri.solutions.jitk.personalization.data.IUser#save()
	 */
	public void save () throws PersonalizationException {
		if (m_daoProfile == null) {
			throw new IllegalStateException();
		}
		
		if (m_id == null) {
			throw new IllegalStateException ();
		}
		
		IUserDAO dao = null;
		
		try {
			dao = m_daoProfile.getUserDAO();
			
			UserRecord record = new UserRecord();
			
			record.setId(m_id.getUsername());
			record.setTimeModified(new java.sql.Timestamp(System.currentTimeMillis()));
			if (m_locked) {
				record.setIsLocked("1");
			} else {
				record.setIsLocked("0");
			}
			
			if (m_prefs != null) {
				JAXBContext ctx = JAXBContext.newInstance(JAXB_BEAN_PACKAGE_NAME);
				Marshaller marshaller = ctx.createMarshaller();
				ByteArrayOutputStream dataOut = new ByteArrayOutputStream();
				marshaller.marshal(m_prefs, dataOut);
				record.setData(dataOut.toByteArray());
				if (LOG.isDebugEnabled()) {
					LOG.debug(MessageFormat.format(
							DEBUG_PREF_SETTINGS_AFTER_MARSHALL, 
							m_id.getUsername(), 
							new String(dataOut.toByteArray())));
				}
			}
			
			if (m_new) {
				dao.insert(record);
			} else {
				dao.update(record);
			}
			
			m_new = false;
			m_info = record;
			
		} catch (PersonalizationDAOException e) {
			throw new PersonalizationException (
					PersonalizationException.Code.STORE_DATA_ERROR, 
					e);
		} catch (JAXBException e) {
			throw new PersonalizationException (
					PersonalizationException.Code.SERIALIZATION_ERROR, 
					e);
		}
	}
	
	/*
	 * (non-Javadoc)
	 * @see com.esri.solutions.jitk.personalization.data.IUser#lock()
	 */
	public void lock () throws PersonalizationException {
		if (m_daoProfile == null) {
			throw new IllegalStateException ();
		}
		
		if (m_id == null) {
			throw new IllegalStateException();
		}
		
		m_locked = true;
		save();
	}
	
	/*
	 * (non-Javadoc)
	 * @see com.esri.solutions.jitk.personalization.data.IUser#unlock()
	 */
	public void unlock () throws PersonalizationException {
		if (m_daoProfile == null) {
			throw new IllegalStateException ();
		}
		
		if (m_id == null) {
			throw new IllegalStateException();
		}
		
		m_locked = false;
		save();
	}
	
	/*
	 * (non-Javadoc)
	 * @see com.esri.solutions.jitk.personalization.data.IUser#remove()
	 */
	public void remove () throws PersonalizationException {
		if (m_daoProfile == null) {
			throw new IllegalStateException ();
		}
		if (m_id == null) {
			throw new IllegalStateException ();
		}
		
		IUserDAO dao = null;
		
		try {
			dao = m_daoProfile.getUserDAO();
			
			if (!m_new) {
				dao.delete(m_id.getUsername());
			}
		} catch (PersonalizationDAOException e) {
			throw new PersonalizationException (
					PersonalizationException.Code.DELETE_DATA_ERROR,
					e);
		}
	}
	
	public void setUserId (IUserId id) {
		if (id == null) {
			throw new NullPointerException();
		}
		m_id = id;
	}
	
	public void setNew (boolean b) {
		m_new = b;
	}
	
	public void setPreferenceSettings (PreferenceSettingsType prefs) {
		m_prefs = prefs;
	}
	
	public void setPersonalizationDAOProfile (IPersonalizationDAOProfile profile) {
		if (profile == null) {
			throw new NullPointerException();
		}
		m_daoProfile = profile;
	}
	/*
	 * (non-Javadoc)
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	public boolean equals (Object o) {
		if (o == null) {
			return false;
		}
		if (m_id == null) {
			return false;
		}
		if (o == this) {
			return true;
		}
		if (!(o instanceof User)) {
			return false;
		}
		
		User u = (User) o;
		
		return m_id.equals(u.getId());
	}
	
	/*
	 * (non-Javadoc)
	 * @see java.lang.Object#hashCode()
	 */
	public int hashCode () {
		if (m_id == null) {
			return 0;
		} else {
			return m_id.hashCode();
		}
	}

	


	
}