Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004-2006 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *   Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Iba?ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *   +34 963862235

 *   gvsig@gva.es

 *   www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.publish.serversmodel;

import java.io.File;

import java.util.ArrayList;

import java.util.Observable;

import java.util.Observer;

import org.gvsig.publish.IPublishPersistence;

import org.gvsig.publish.PublishLogger;

import org.gvsig.publish.PublishRegister;

import org.gvsig.publish.infoproject.IDataSourceInfo;

import org.gvsig.publish.infoproject.ILayerInfo;

import org.gvsig.publish.infoproject.IProjectInfo;

import org.gvsig.publish.infoproject.datasources.IFileInfo;

import com.iver.utiles.XMLEntity;

/**

 * Represents a publication, that is, a project information that can be accessible through a server  

 * 

 * @author jvhigon

 *

 */

public class Publication extends Observable implements IPublishPersistence, Observer {

        //Access methods

        public final int LOCAL_ACCESS=0;

        public final int REMOTE_MOUNT_POINT_ACCESS=1;

        /*

         * Associations

         */

        private Server server = null;

        private IProjectInfo iproject = null;

        /*

         * Properties

         */        

        private String title = null;

        private int accessFileMethod = LOCAL_ACCESS;

        private String localMountPoint;

        private String remoteMountPoint;

        /**

         * Sets the name of the publication

         * @param name

         */

        public void setTitle(String title){

                this.title = title;

                setChanged();

                notifyObservers();

        }

        /**

         * Gets the publication's name

         * @param name

         * @return

         */

        public String getTitle(){

                return title;

        }

        /**

         * Sets the server of the publication

         * TODO: Is not clear. Should I use the method addObserver here? 

         * @param s Server 

         */

        public void setServer(Server s) {

                //set this like a observer the first time

                if (server == null){

                        s.addObserver(this);

                }                        

                //set associations

                s.setPublication(this);

                //init variables

                this.server = s;

                //this.server.setProjectInfo(getProjectInfo());

                //notify publication observers

                setChanged();

                notifyObservers();        

        }

        /**

         * Gets the server of the publication

         * @return

         */

        public Server getServer(){

                return server;

        }

        /**

         * @return name of the publication

         */

        public String toString(){

                return getTitle();

        }

        /**

         * Sets the information about the project to publish.

         * If a remote resource hasn't layerinfo it will be 

         * removed from the publication

         * 

         * @param projectInfo

         * @return an array of strings with the name of the layers 

         * that have been renamed or deleted

         */

        public ArrayList setProjectInfo(IProjectInfo projectInfo) {

                iproject = projectInfo;

                ArrayList aux = new ArrayList();

                Server s = getServer();

                if (s !=null){

                        for (int i = 0; i < s.getServicesCount(); i++){

                                Service ss = s.getService(i);

                                for (int j = 0; j < ss.getRemoteResourcesCount(); j++ ){

                                        RemoteResource rr = ss.getRemoteResource(j);

                                        ILayerInfo ilayerinfo=null;                                

                                        ilayerinfo = projectInfo.findLayer(rr.getId());                                

                                        if (ilayerinfo == null){                                                

                                                aux.add(rr.getId());

                                                rr.remove();

                                                PublishLogger.getLog().error("Cannot find the layer with name " + rr.getId());

                                        }

                                }

                        }

                }

                return aux;

        }

        /**

         * 

         * @return information about the project resources to publish

         */

        public IProjectInfo getProjectInfo() {

                return iproject;

        }

        /*

         * (non-Javadoc)

         * @see java.util.Observer#update(java.util.Observable, java.lang.Object)

         */

        public void update(Observable o, Object arg) {

                if (o instanceof Server){

                        setServer((Server)o);

                }else{

                        PublishLogger.getLog().error("ERROR Publication: The observable object must be a server");

                }

        }

        /*

         * (non-Javadoc)

         * @see com.iver.utiles.IPersistance#getXMLEntity()

         */

        public XMLEntity getXMLEntity() {

                XMLEntity xml=new XMLEntity();

                //put version and name                

                xml.setName(getClassName());

                xml.putProperty("version", getVersion());

                //put properties

                xml.putProperty("title", getTitle());

                xml.putProperty("accessfilemethod", getAccessFileMethod());

                xml.putProperty("localmountpoint", getLocalMountPoint());

                xml.putProperty("remotemountpoint", getRemoteMountPoint());

                if (getServer() != null){

                        xml.addChild(getServer().getXMLEntity());

                }

                return xml;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.utiles.IPersistance#setXMLEntity(com.iver.utiles.XMLEntity)

         */

        public void setXMLEntity(XMLEntity xml) {

                //check version

                int version = xml.getIntProperty("version");                

                if (version != getVersion()){

                        PublishLogger.getLog().error("ERROR: " + getVersion() + ": the version doesn't match!");

                        return;

                }

                //set properties                

                setAccessFileMethod(xml.getIntProperty("accessfilemethod"));

                setLocalMountPoint(xml.getStringProperty("localmountpoint"));

                setRemoteMountPoint(xml.getStringProperty("remotemountpoint"));

                //creates only the first server if exists

                if (xml.getChildrenCount() > 0){

                        XMLEntity xmlChild=xml.getChild(0);                

                        String server_type = xmlChild.getStringProperty("registertag");

                        Server s = PublishRegister.register().getServer(server_type);                

                        if (s==null){                        

                                PublishLogger.getLog().error("ERROR " + getVersion()+ ": I can't create the server from persistence");

                        }else{

                                //s.setProjectInfo(iproject);                        

                                s.setXMLEntity(xmlChild);

                                setServer(s);

                        }        

                }

        }

        /*

         * (non-Javadoc)

         * @see com.iver.utiles.IPersistance#getClassName()

         */

        public String getClassName() {                

                return "Publication_v1";

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.IPublishPersistence#getVersion()

         */

        public int getVersion() {

                return 1;

        }

        /**

         * Gets the method in which the publication has been set. 

         * It can be Publication.LOCAL_ACCESS or Publication.REMOTE_MOUNT_POINT_ACCESS <p>

         * LOCAL_ACCESS: the files to publish are located in the local filesystem. <br>

         * REMOTE_MOUNT_POINT_ACCESS: the files are located in remote filesystem but are accessible through a remote mount point  

         * 

         * @return the accessFileMethod

         */

        public int getAccessFileMethod() {

                return accessFileMethod;

        }

        /**

         * Sets the method in which the files are been accessed. It can be Publication.LOCAL_ACCESS or Publication.REMOTE_MOUNT_POINT_ACCESS.

         * LOCAL_ACCESS: the files to publish are located in the local filesystem. <br>

         * REMOTE_MOUNT_POINT_ACCESS: the files are located in remote filesystem but are accessible through a remote mount point   

         * @param accessFileMethod the accessFileMethod to set

         */

        public void setAccessFileMethod(int accessFileMethod) {                

                this.accessFileMethod = accessFileMethod;

//                if (accessFileMethod == LOCAL_ACCESS){

//                setLocalMountPoint(null);

//                setRemoteMountPoint(null);

//                }

                setChanged();

        }

        /**

         * If the publication uses a REMOTE_MOUNT_POINT_ACCESS, this method change the path to a file in order

         * to be accessible by a server. 

         * 

         * @return 

         */

        public String getServerSideFilePath(IDataSourceInfo ds){

                String aux = ((IFileInfo)ds).getAbsolutePath();                        

                return getServerSideFilePath(aux);                

        }

        /**

         * If the publication uses a REMOTE_MOUNT_POINT_ACCESS, this method change the path to a file in order

         *

         * @param path changed

         * @return

         */

        public String getServerSideFilePath(String path){                

                if (getAccessFileMethod() == REMOTE_MOUNT_POINT_ACCESS){        

                        if(remoteMountPoint.charAt(remoteMountPoint.length()-1)!= '/'){

                                remoteMountPoint = remoteMountPoint + "/";

                        }

                        path = path.replace(localMountPoint, remoteMountPoint);

                        path = path.replace(File.separator, "/");

                }        

                return  path;                

        }

        /**

         * @param localMountPoint the localMountPoint to set

         */

        public void setLocalMountPoint(String localMountPoint) {                                

                this.localMountPoint = localMountPoint;

                setChanged();        

        }

        /**

         * @param remoteMountPoint the remoteMountPoint to set

         */

        public void setRemoteMountPoint(String remoteMountPoint) {                                

                this.remoteMountPoint = remoteMountPoint;

                setChanged();

        }

        /**

         * @return the localMountPoint

         */

        public String getLocalMountPoint() {

                return localMountPoint;

        }

        /**

         * @return the remoteMountPoint

         */

        public String getRemoteMountPoint() {

                return remoteMountPoint;

        }

}