/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2002 Sun
 * Microsystems, Inc. All Rights Reserved.
 */
package org.netbeans.modules.xml.catalog.impl.oasis;

import java.awt.*;
import java.io.*;

import org.xml.sax.*;

import org.openide.loaders.XMLDataObject;
import org.openide.xml.*;

import org.netbeans.modules.xml.catalog.spi.*;
import org.netbeans.modules.xml.catalog.impl.*;

/**
 *
 * @author  Petr Kuzel
 * @version 
 */
public class Catalog extends AbstractCatalog 
    implements Externalizable, CatalogReader, CatalogDescriptor {

    private String desc = null;

private static final long serialVersionUID = -319032714636844856L;

  //desc property
    
    /** Creates new Catalog */
    public Catalog() {
    }

    public void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException {
        setLocation((String)in.readObject());
    }
    
    public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException {
        out.writeObject(getLocation());
    }
    
    
    // CatalogDescriptor  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    /**
     * Return visuaized state of given catalog.
     * @param type of icon defined by JavaBeans specs
     * @return icon representing current state or null
     */
    public Image getIcon(int type) {
        return null;
    }
        
    /**
     * @return I18N display name
     */
    public String getDisplayName() {
        return Util.THIS.getString("PROP_display_name", getLocation());
    }    
    
    /**
     * @return I18N short description describing state
     */
    public String getShortDescription() {
        return desc;
    }
    
    private void setShortDescription(String desc) {
        this.desc = desc;
    }
    
    // Catalog Reader Interface ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
        
    /**
     * Reload the catalog from its original location.
     */
    public void refresh() {
//        if ( Util.THIS.isLoggable() ) /* then */ Util.THIS.debug("Refreshing catalog...impl..."); // NOI18N
//        loadCatalog(getSource());
        setLocation(getLocation());
    }

    public void setLocation(String loc) {
        super.setLocation(loc);

        try {
            
            setShortDescription(Util.THIS.getString("MSG_parsing"));
            
            CatalogHandler handler = new CatalogHandlerImpl(this);
            CatalogParser parser = new CatalogParser(handler);
            Parser reader = XMLDataObject.createParser(true);
            reader.setEntityResolver(EntityCatalog.getDefault());
            reader.setDocumentHandler(parser);
            reader.parse(loc);
            
            setShortDescription(Util.THIS.getString("MSG_parsed_ok"));
        } catch (IOException ex) {
            setShortDescription(Util.THIS.getString("MSG_parsing_failed", ex.getLocalizedMessage()));
        } catch (SAXException ex) {
            setShortDescription(Util.THIS.getString("MSG_parsing_failed", ex.getLocalizedMessage()));
        } finally {
            
        }
    }
    
}