jahiabigtextfield.java

java 写的一个新闻发布系统

//  JahiaBigTextField
//  YG      17.07.2001

package org.jahia.data.fields;

import org.apache.regexp.*;             // Regular Expression

import java.util.*;                     // Vector, Calendar

import org.jahia.utils.*;
import org.jahia.data.*;
import org.jahia.services.files.*;  // Jahia Files Services
import org.jahia.registries.*;      // ServicesRegistry
import org.jahia.sharing.*;         // JahiaDataSourceManager
import org.jahia.params.*;          // ParamBean
import org.jahia.services.pages.JahiaPage;
import org.jahia.services.pages.JahiaPageDefinition;
import org.jahia.exceptions.JahiaException;
import org.jahia.registries.*;      // Registries

public class JahiaBigTextField extends JahiaField
{

        /***
        * constructor
        * YG    17.07.2001
        *
        */
    public JahiaBigTextField(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 String getValue() {

        System.out.println("------ BIG TEXT . getValue");

        switch (this.getConnectType()) {
            default :
                return super.getValue();
        }
    }
    */

    public void load(int loadFlag, ParamBean jParams)
    throws JahiaException
    {

        JahiaConsole.println("JahiaBigTextField.load",
                             "Loading big text field...");
        JahiaFieldDefinition theDef = JahiaFieldDefinitionsRegistry.
                             getInstance().getDefinition(
                             this.getFieldDefID() );
        int pageDefID = ServicesRegistry.getInstance().getJahiaPageService().
                        lookupPage (this.getPageID(), jParams).
                        getPageTemplateID();


        if ((loadFlag & LoadFlags.BIGTEXT) != 0)
        {
            switch (this.getConnectType())
            {
                case (ConnectionTypes.LOCAL) :
                    this.setValue((this.getTextFileService()).loadContents(
                        this.getJahiaID(), this.getPageID(),
                        this.getID(), theDef.getDefaultValue(pageDefID) ));

                    if (!this.getValue().equals("<empty>")) {
                        this.setRawValue(this.getValue());
                        this.setValue(FormDataManager.getInstance().
                            decode(this.getValue()));
                     }
                     break;
                // JB  02.08.2001 - Add HTMLEditor Types
                case (ConnectionTypes.HTMLEDITOR) :
                      this.setValue((this.getTextFileService()).loadContents(
                        this.getJahiaID(), this.getPageID(),
                        this.getID(), theDef.getDefaultValue(pageDefID) ));

                    if (!this.getValue().equals("<empty>")) {
                        this.setRawValue(this.getValue());
                        this.setValue(FormDataManager.getInstance().
                            decode(this.getValue()));
                     }
                     break;
                case (ConnectionTypes.HTMLEDITORAX) :
                      this.setValue((this.getTextFileService()).loadContents(
                        this.getJahiaID(), this.getPageID(),
                        this.getID(), theDef.getDefaultValue(pageDefID) ));

                    if (!this.getValue().equals("<empty>")) {
                        this.setRawValue(this.getValue());
                        this.setValue(FormDataManager.getInstance().
                            decode(this.getValue()));
                     }
                     break;
                case (ConnectionTypes.DATASOURCE) :
                    if ((loadFlag & LoadFlags.DATASOURCE) != 0) {
                        this.setValue( JahiaDataSourceManager.
                            getInstance().fields().getInstance().
                            getRemoteFieldValue( this.getValue() ) );
                     }
                     break;
            }
        }

    }

    public void save(ParamBean jParams)
    throws JahiaException
    {
        String tmpVal = "<text>";
        switch (this.getConnectType())
        {
            case (ConnectionTypes.LOCAL) :
                tmpVal = (this.getTextFileService()).saveContents(
                          this.getJahiaID(),
                          this.getPageID(),
                          this.getID(),
                          this.getValue() );
                break;
            // JB  02.08.2001 - Add HTMLEditor Types
            case (ConnectionTypes.HTMLEDITOR) :
                tmpVal = (this.getTextFileService()).saveContents(
                          this.getJahiaID(),
                          this.getPageID(),
                          this.getID(),
                          this.getValue() );
                break;
            case (ConnectionTypes.HTMLEDITORAX) :
                tmpVal = (this.getTextFileService()).saveContents(
                          this.getJahiaID(),
                          this.getPageID(),
                          this.getID(),
                          this.getValue() );
                break;
            case (ConnectionTypes.DATASOURCE) :
                tmpVal = this.getValue();
                break;
        }
    }

    public void delete(ParamBean jParams)
    throws JahiaException
    {
        if (this.getConnectType() == ConnectionTypes.LOCAL) {
            //String fileName = this.getValue();
            String fileName = (this.getTextFileService()).getFileName(
                          this.getJahiaID(),
                          this.getPageID(),
                          this.getID() );

            FileUtils.getInstance().deleteFile( fileName );
        }

        // JB 02.08.2001 - Add HTMLEditor Types
        if (this.getConnectType() == ConnectionTypes.HTMLEDITOR) {
            String fileName = (this.getTextFileService()).getFileName(
                          this.getJahiaID(),
                          this.getPageID(),
                          this.getID() );

            FileUtils.getInstance().deleteFile( fileName );
        }
        if (this.getConnectType() == ConnectionTypes.HTMLEDITORAX) {
            String fileName = (this.getTextFileService()).getFileName(
                          this.getJahiaID(),
                          this.getPageID(),
                          this.getID() );

            FileUtils.getInstance().deleteFile( fileName );
        }

    }

    /**
     * Returns an hashtable of indexable attributes , pairs [attribute name/value].
     * Returned pairs:
     * 					none
     *
     * @return Hashtable a map of indexable attributes , pairs [attribute name/value]
     */
    public Hashtable getIndexableAttributes(){
        Hashtable hash = new Hashtable();
        return hash;
    }

    public String getEngineName()
    {
        return "org.jahia.engines.shared.BigText_Field";
    }

    public String getFieldContent4Ranking()
    {
        String fieldInfo = this.getValue();
        fieldInfo = JahiaTools.html2text(fieldInfo);
        try {
            fieldInfo = (new RE("<(.*?)>")).subst(fieldInfo,"");
        } catch (RESyntaxException re) {
            JahiaConsole.println("JahiaBigTextField.getFieldContent4Ranking",re.toString());
        } catch (Throwable t) {
            JahiaConsole.println("JahiaBigTextField.getFieldContent4Ranking",t.toString());
        }

        if (fieldInfo.length() > 30)
        {
            fieldInfo = fieldInfo.substring(0,30) +" ...";
        }

        fieldInfo = JahiaTools.text2html(fieldInfo);
        return fieldInfo;
    }

    public String getIconNameOff()
    {
        return "bigtext";
    }

    public String getIconNameOn()
    {
        return "bigtext_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() );

        return clonedField;
    }

    public Object clone()
    {
        Object objItem = this.getObject();
        JahiaBigTextField bt = new JahiaBigTextField (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) );
        bt.setObject(objItem);
        return bt;
    }

    /**
    * Method getTextFileService
    * @author NK
    * @return a JahiaTextFileService instance
    */
   private JahiaTextFileService getTextFileService(){

      return ServicesRegistry.getInstance().getJahiaTextFileService();
   }

}