jahiacontainer.java

java 写的一个新闻发布系统

//
//                                   ____.
//                       __/\ ______|    |__/\.     _______
//            __   .____|    |       \   |    +----+       \
//    _______|  /--|    |    |    -   \  _    |    :    -   \_________
//   \\______: :---|    :    :           |    :    |         \________>
//           |__\---\_____________:______:    :____|____:_____\
//                                      /_____|
//
//                 . . . i n   j a h i a   w e   t r u s t . . .
//

package org.jahia.data.containers;

import java.util.*;                     // Vector

import org.jahia.utils.*;           // JahiaConsole
import org.jahia.data.*;            // JahiaData
import org.jahia.data.fields.*;     // JahiaField
import org.jahia.registries.*;      // Registries
import org.jahia.exceptions.JahiaException;
import org.jahia.services.usermanager.JahiaUser;
import org.jahia.services.pages.*;
import org.jahia.params.*;
import org.jahia.services.acl.JahiaBaseACL;
import org.jahia.services.acl.ACLResourceInterface;
import org.jahia.services.acl.ACLNotFoundException;


public class JahiaContainer implements Cloneable , ACLResourceInterface {


    private int         ID;
    private int         jahiaID;
    private int         pageID;
    private int         listID;
    private int         rank;
    private int         ctndefid;
    private int         aclID;

    /**
     * @associates JahiaField
     */
    private Vector      fields          = new Vector();

    /**
     * @associates JahiaContainerList
     */
    private Vector      containerLists  = new Vector();


    /***
        * constructor
        * EV    24.11.2000
        *
        */
    public JahiaContainer(  int     ID,
                            int     jahiaID,
                            int     pageID,
                            int     listID,
                            int     rank,
                            int     aclID,
                            int     ctndefid)
    {
        this.ID             = ID;
        this.jahiaID        = jahiaID;
        this.pageID         = pageID;
        this.listID         = listID;
        this.rank           = rank;
        this.aclID          = aclID;
        this.ctndefid = ctndefid;
    } // end constructor



    /***
        * accessor methods
        * EV    24.11.2000
        *
        */
    public  int             getID()             {   return ID;                          }
    public  int             getJahiaID()        {   return jahiaID;                     }
    public  int             getSiteID()         {   return jahiaID;                     } //FIXME_MULTISITE Hollis jahiaID or siteID ?
    public  int             getPageID()         {   return pageID;                      }
    public  int             getListID()         {   return listID;                      }
    public  int             getRank()           {   return rank;                        }
    public  int             getctndefid() {   return ctndefid;              }
    public  final int       getAclID()          {   return aclID;                       }

    public final JahiaBaseACL getACL()		{
        JahiaBaseACL acl = null;
        try {
            acl = new JahiaBaseACL(getAclID());
        } catch ( Throwable t ) {
            t.printStackTrace();
        }
        return acl;
    }

    public  Enumeration     getFields()         {   return fields.elements();           }
    public  int			    getNbFields()       {   return fields.size();	            }
    public  Enumeration     getContainerLists() {   return containerLists.elements();   }
    public  void            setID( int ID )     {   this.ID = ID;                       }
    public  void    		setctndefid( int ctndefid )	{	this.ctndefid = ctndefid;	}
    public  void            setAclID( int aclID ) {   this.aclID = aclID;               }
    public  void            setListID( int listID ) { this.listID = listID;             }
    public void             setRank( int rank ) { this.rank = rank; }
    // end accessor methods


    //-------------------------------------------------------------------------
    /**
     * Clone
     */
    public Object clone()
    {
        return new JahiaContainer (ID, jahiaID, pageID, listID, rank, aclID, ctndefid);
    }


    //-------------------------------------------------------------------------
    /***
        * getDefinition
        *
        */
    public JahiaContainerDefinition getDefinition()
    throws JahiaException
    {
        JahiaContainerDefinition theDef = JahiaContainerDefinitionsRegistry.getInstance(
            ).getDefinition( ctndefid );
        if (theDef != null) {
            return theDef;
        } else {
            String msg = "JahiaContainer definition " + ctndefid + " not found in definition registry !";
            throw new JahiaException( "Synchronisation error in database",
                                        msg, JahiaException.DATABASE_ERROR, JahiaException.CRITICAL );
        }
    } // end getDefinition


    //-------------------------------------------------------------------------
    /***
        * get a field by its fieldname
        *
        * @param        fieldName       the field name
        *
        * @exception    throws a critical jahia exception if field not found
        *
        */
    public JahiaField getField( String fieldName )
    throws JahiaException
    {
        JahiaField theField = null;
        for (int i=0; i < fields.size(); i++) {
            JahiaField aField = (JahiaField) fields.elementAt(i);
            if (aField.getDefinition().getName().equals(fieldName)) {
                theField = aField;
                break;
            }
        }
        if (theField == null) {

            // get the page template ID
            int pageDefID = ServicesRegistry.getInstance().getJahiaPageService().
                    lookupPage (this.getPageID(), null).getPageTemplateID();

            JahiaFieldDefinition fDef = this.getDefinition().findFieldInStructure(fieldName, pageDefID );
            if (fDef != null) {
                theField = ServicesRegistry.getInstance().
                               getJahiaFieldService().
                               createJahiaField(0, fDef.getJahiaID(), this.getPageID(),
                        this.getID(), fDef.getID(), fDef.getType(pageDefID), 0, "",
                        this.getRank(), 0 );
                // saves in databese
                JahiaConsole.println("JahiaContainer.getField",
                                     "Creating new field since this is the first access for field " + fieldName);
                ServicesRegistry.getInstance().getJahiaFieldService().saveField( theField, this.getAclID(), null );
                // saves in container field list
                this.addField( theField );
            } else {
                String msg = "Field " + fieldName +
                             " cannot be found in " +
                             getDefinition().getName();
                JahiaException je = new JahiaException(  msg, "JahiaContainer : " + msg,
                    JahiaException.TEMPLATE_ERROR, JahiaException.CRITICAL );
            }
        }
        return theField;
    } // end getField


    //-------------------------------------------------------------------------
    /***
        * get a field by its id
        *
        * @param        fieldID         the field ID
        *
        * @exception    throws a critical jahia exception if field not found
        *
        */
    public JahiaField getField( int fieldID )
    throws JahiaException
    {
        JahiaField theField = null;
        for (int i=0; i < fields.size(); i++) {
            JahiaField aField = (JahiaField) fields.elementAt(i);
            if (aField.getID() == fieldID) {
                theField = aField;
                break;
            }
        }
        if (theField == null) {
            String msg = "Field " + fieldID + " cannot be found in " + getDefinition().getName();
            JahiaException je = new JahiaException(  msg, "JahiaContainer : " + msg,
                JahiaException.TEMPLATE_ERROR, JahiaException.CRITICAL );
        }
        return theField;
    } // end getField


    //-------------------------------------------------------------------------
    /***
        * setField
        *
        */
    public synchronized void setField( JahiaField theField )
    throws JahiaException
    {
        for (int i=0; i < fields.size(); i++) {
            JahiaField aField = (JahiaField) fields.elementAt(i);
            if (aField.getID() == theField.getID()) {
                fields.setElementAt(theField, i);