jahiafilefieldwrapper.java

java 写的一个新闻发布系统

//  JahiaFileFieldWrapper
//  YG      17.07.2001

package org.jahia.data.fields;

import java.util.*;                     // Vector

import org.jahia.utils.*; 
import org.jahia.data.files.*;  
import org.jahia.services.filemanager.*; // Filemanager, Folder
import org.jahia.params.*;          // ParamBean
import org.jahia.registries.*;      // Registries
import org.jahia.engines.filemanager.*;  // Filemanager_Engine
import org.jahia.exceptions.JahiaException;

public class JahiaFileFieldWrapper extends JahiaField
{

        /***
        * constructor
        * YG    17.07.2001
        *
        */
    public JahiaFileFieldWrapper(Integer    ID,
                            Integer         jahiaID,
                            Integer         pageID,
                            Integer         ctnid,
                            Integer         fieldDefID,
                            Integer         fieldType,
                            Integer         connectType,
                            String          fieldValue,
                            Integer         rank,
                            Integer         aclID )
    {
        super(ID, jahiaID, pageID, ctnid, fieldDefID, fieldType, connectType,
              fieldValue, rank, aclID);
    } // end constructor
    
    
    public void load(int loadFlag, ParamBean jParams)
    throws JahiaException
    {
        //System.out.println("JahiaFieldBaseService::loadField() " + theField.getID() );
        JahiaFileField fField = (JahiaFileField)ServicesRegistry.
            getInstance().getJahiaFilemanagerService().
            getFileField(this.getID());

        // set the download url
        String dUrl = "#";
        if (fField != null)
        {
            //System.out.println("JahiaFieldBaseService::loadField() fField is not null and id=" + fField.getFileID()  );
            if ( fField.getFileID() != -1 )
            {
                this.setObject(fField);
                Vector params = new Vector();
                params.add("actionFileDownload");
                params.add(this);
                dUrl = ((Filemanager_Engine)EnginesRegistry.getInstance().
                    getEngine("filemanager")).renderLink(jParams, params);
            }

            fField.setDownloadUrl(dUrl);
            this.setObject(fField);
        }
    }
    
    public void save(ParamBean jParams)
    throws JahiaException
    {
        if ( this.getObject() != null ){
            JahiaFileField fField = (JahiaFileField)this.getObject();

            if (fField != null && (fField.getFieldID() != -1) ) {
                // save Jahia File Field
                ServicesRegistry.getInstance().getJahiaFilemanagerService().
                    saveJahiaFileField( fField );
            }
        }
    }
    
    public void delete(ParamBean jParams)
    throws JahiaException
    {
        JahiaFileField fField = ServicesRegistry.getInstance().
            getJahiaFilemanagerService().getFileField(this.getID());
        if ( fField != null ){
            ServicesRegistry.getInstance().getJahiaFilemanagerService().
                deleteJahiaFileField(fField);
        }
    }

    /**
     * Returns an hashtable of indexable attributes , pairs [attribute name/value]. 
     * Returned pairs:
     * 					("size",size) the file size
     *
     * @return Hashtable a map of indexable attributes , pairs [attribute name/value]
     */
    public Hashtable getIndexableAttributes(){
    	
    	Hashtable hash = new Hashtable();
		JahiaFileField fField = (JahiaFileField)getObject();
		if ( fField != null ){
    		hash.put("size",String.valueOf(fField.getSize()));
    	}
    	return hash;
    }
    
    public String getEngineName()
    {
        return "org.jahia.engines.shared.File_Field";
    }
    
    public String getFieldContent4Ranking()
    {
        String fieldInfo = "";
        JahiaFileField fle = (JahiaFileField)this.getObject();
        if (fle != null)
        {
           fieldInfo = fle.getFileFieldTitle();
        }
        else
        {
           fieldInfo = this.getValue();
        }
        return fieldInfo;
    }
    
    public String getIconNameOff()
    {
        return "file";
    }
    
    public String getIconNameOn()
    {
        return "file_on";
    }
    
    public JahiaField cloneField(int newctnid, int newPageID, int clonedAclID, boolean childrenCloned)
    throws JahiaException
    {
        JahiaField clonedField = ServicesRegistry.getInstance().getJahiaFieldService().
                                 createJahiaField(0, this.getJahiaID(),
                                 newPageID, newctnid,
                                 this.getFieldDefID(), this.getType(),
                                 this.getConnectType(),
                                 this.getValue(), this.getRank(),
                                 clonedAclID );

        //toDebug("cloneField(): value = "+this.getValue());
        if (clonedField == null)
        {
            throw new JahiaException ("Could not clone field.",
                "Could not instanciate a new JahiaField object.",
                JahiaException.PAGE_ERROR, JahiaException.CRITICAL);
        }

        clonedField.setRawValue(this.getRawValue());
        // clonedField.setObject( this.getObject() );
        clonedField.setProperties( (Hashtable)(this.getProperties()).clone() );
        
        int theFieldID = ServicesRegistry.getInstance().getJahiaIncrementorsDBService().autoIncrement( "jahia_fields_data" );
        clonedField.setID(theFieldID);
        clonedField.setObject("createFieldWithCurrentID");   
        
        boolean flag = ServicesRegistry.getInstance().getJahiaFilemanagerService().
                       copyFileField(this.getID(), clonedField.getID(), clonedField.getPageID());
        
        return clonedField;
    }
    
    public Object clone()
    {
        Object objItem = this.getObject();
        JahiaFileFieldWrapper filef = new JahiaFileFieldWrapper (new Integer(ID), new Integer(jahiaID),
                                        new Integer(pageID), 
                                        new Integer(ctnid),
                                        new Integer(fieldDefID), 
                                        new Integer(fieldType), 
                                        new Integer(connectType), 
                                        fieldValue, new Integer(rank), 
                                        new Integer(aclID) );
        filef.setObject(objItem);
        return filef;
    }
    
    
}