basejetspeedportletpeer.java

jetspeed源代码

/*
 * Copyright 2000-2004 The Apache Software Foundation.
 * 
 * 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 org.apache.jetspeed.om.registry.database;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import org.apache.jetspeed.om.BaseSecurityReference;
import org.apache.jetspeed.om.registry.DBRegistry;
import org.apache.jetspeed.om.registry.Parameter;
import org.apache.jetspeed.om.registry.base.BaseCategory;
import org.apache.jetspeed.om.registry.base.BaseContentURL;
import org.apache.jetspeed.om.registry.base.BaseMediaType;
import org.apache.jetspeed.om.registry.base.BaseMetaInfo;
import org.apache.jetspeed.om.registry.base.BasePortletEntry;
import org.apache.jetspeed.om.registry.base.BaseSecurity;
import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
import org.apache.jetspeed.services.logging.JetspeedLogger;
import org.apache.torque.Torque;
import org.apache.torque.TorqueException;
import org.apache.torque.om.ObjectKey;
import org.apache.torque.om.SimpleKey;
import org.apache.torque.util.BasePeer;
import org.apache.torque.util.Criteria;

import com.workingdogs.village.DataSetException;
import com.workingdogs.village.QueryDataSet;
import com.workingdogs.village.Record;

/**
 * Base Peer for Portlet Parameter registry entries.
 * 
 * @author <a href="mailto:[e-mail]">Suchisubhra Sinha</a>
 * @version $Id: BaseJetspeedPortletPeer.java,v 1.3 2004/04/06 23:00:16 morciuch Exp $
 */
public class BaseJetspeedPortletPeer extends BasePeer implements DBRegistry
{
	
	/**
	 * Static initialization of the logger for this class
	 */    
	protected static final JetspeedLogger logger = JetspeedLogFactoryService.getLogger(BaseJetspeedPortletPeer.class.getName());      
	
    /** the table name for this class */
    public static final String TABLE_NAME = "PORTLET";
    /** the column name for the PORTAL_ID field */
    public static final String PORTAL_ID;
    /** the column name for the NAME field */
    public static final String NAME;
    /** the column name for the HIDDEN field */
    public static final String HIDDEN;
    /** the column name for the CLASSNAME field */
    public static final String CLASSNAME;
    /** the column name for the TYPE field */
    public static final String TYPE;
    /** the column name for the APPLICATION field */
    public static final String APPLICATION;
    /** the column name for the PARENT field */
    public static final String PARENT;
    /** the column name for the URL field */
    public static final String URL;
    /** the column name for the CACHEDONURL field */
    public static final String CACHEDONURL;
    /** the column name for the ROLE field */
    public static final String ROLE;
    /** the column name for the TITLE field */
    public static final String TITLE;
    /** the column name for the DESCRIPTION field */
    public static final String DESCRIPTION;
    /** the column name for the IMAGE field */
    public static final String IMAGE;
    /** the column name for the SECURITY field */
    public static final String SECURITY;
    /** the column name for the  field */
    public static final String LASTUPDATE;
    static {
        PORTAL_ID = "PORTLET.ID";
        NAME = "PORTLET.NAME";
        HIDDEN = "PORTLET.HIDDEN";
        CLASSNAME = "PORTLET.CLASSNAME";
        TYPE = "PORTLET.TYPE";
        APPLICATION = "PORTLET.APPLICATION";
        PARENT = "PORTLET.PARENT";
        URL = "PORTLET.URL";
        CACHEDONURL = "PORTLET.CACHEDONURL";
        ROLE = "PORTLET.ROLE";
        TITLE = "PORTLET.TITLE";
        DESCRIPTION = "PORTLET.DESCRIPTION";
        IMAGE = "PORTLET.IMAGE";
        SECURITY = "PORTLET.SECURITY";
        LASTUPDATE = "PORTLET.LASTUPDATE";
        /*        
           if (Torque.isInit())
           {
               try
               {
                   getMapBuilder();
               }
               catch (Exception e)
               {
                      
                   category.error("Could not initialize Peer", e);
               }
           }
        */
    }
    /** number of columns for this peer */
    public static final int numColumns = 14;
    /** A class that can be returned by this peer. */
    protected static final String CLASSNAME_DEFAULT =
        "org.apache.jetspeed.om.registry.base.BasePortletEntry";
    /** A class that can be returned by this peer. */
    protected static final Class CLASS_DEFAULT = initClass(CLASSNAME_DEFAULT);
    /**
     * Class object initialization method.
     *
     * @param className name of the class to initialize
     * @return the initialized class
     */
    private static Class initClass(String className)
    {
        Class c = null;
        try
        {
            c = Class.forName(className);
        }
        catch (Throwable t)
        {
            logger.error(
                "A FATAL ERROR has occurred which should not "
                    + "have happened under any circumstance.  Please notify "
                    + "the Turbine developers <[e-mail]> "
                    + "and give as many details as possible (including the error "
                    + "stack trace).",
                t);
            // Error objects should always be propogated.
            if (t instanceof Error)
            {
                throw (Error) t.fillInStackTrace();
            }
        }
        return c;
    }
    /**
        * Get the list of objects for a ResultSet.  Please not that your
        * resultset MUST return columns in the right order.  You can use
        * getFieldNames() in BaseObject to get the correct sequence.
        *
        * @param results the ResultSet
        * @return the list of objects
        * @throws TorqueException Any exceptions caught during processing will be
        *         rethrown wrapped into a TorqueException.
        */
    public static List resultSet2Objects(java.sql.ResultSet results)
        throws TorqueException
    {
        try
        {
            QueryDataSet qds = null;
            List rows = null;
            try
            {
                qds = new QueryDataSet(results);
                rows = getSelectResults(qds);
            }
            finally
            {
                if (qds != null)
                {
                    qds.close();
                }
            }
            return populateObjects(rows);
        }
        catch (SQLException e)
        {
            throw new TorqueException(e);
        }
        catch (DataSetException e)
        {
            throw new TorqueException(e);
        }
    }
    /**
        * Add all the columns needed to create a new object.
        *
        * @param criteria object containing the columns to add.
        * @throws TorqueException Any exceptions caught during processing will be
        *         rethrown wrapped into a TorqueException.
        */
    public static void addSelectColumns(Criteria criteria)
        throws TorqueException
    {
        criteria.addSelectColumn(PORTAL_ID);
        criteria.addSelectColumn(NAME);
        criteria.addSelectColumn(HIDDEN);
        criteria.addSelectColumn(CLASSNAME);
        criteria.addSelectColumn(TYPE);
        criteria.addSelectColumn(APPLICATION);
        criteria.addSelectColumn(PARENT);
        criteria.addSelectColumn(URL);
        criteria.addSelectColumn(CACHEDONURL);
        criteria.addSelectColumn(ROLE);
        criteria.addSelectColumn(TITLE);
        criteria.addSelectColumn(DESCRIPTION);
        criteria.addSelectColumn(IMAGE);
        criteria.addSelectColumn(SECURITY);
    }
    /**
         * Create a new object of type cls from a resultset row starting
         * from a specified offset.  This is done so that you can select
         * other rows than just those needed for this object.  You may
         * for example want to create two objects from the same row.
         *
         * @throws TorqueException Any exceptions caught during processing will be
         *         rethrown wrapped into a TorqueException.
         */
    public static BasePortletEntry row2Object(
        Record row,
        int offset,
        Class cls)
        throws TorqueException
    {
        try
        {
            BasePortletEntry obj = (BasePortletEntry) cls.newInstance();
            populateObject(row, offset, obj);
            //obj.setModified(false);
            //obj.setNew(false);
            return obj;
        }
        catch (InstantiationException e)
        {
            throw new TorqueException(e);
        }
        catch (IllegalAccessException e)
        {
            throw new TorqueException(e);
        }
    }
    /**
     * Populates an object from a resultset row starting
     * from a specified offset.  This is done so that you can select
     * other rows than just those needed for this object.  You may
     * for example want to create two objects from the same row.
     *
     * @throws TorqueException Any exceptions caught during processing will be
     *         rethrown wrapped into a TorqueException.
     */
    public static void populateObject(
        Record row,
        int offset,
        BasePortletEntry obj)
        throws TorqueException
    {
        try
        {
            int id = row.getValue(offset + 0).asInt();