/**
 * LibreSource
 * Copyright (C) 2004-2007 Artenum SARL / INRIA
 * http://www.libresource.org - contact@libresource.org
 *
 * This software is free software; you can redistribute it and/or
 * modify it under the terms of QPL. See licenses details in QPL.txt
 *
 * Initial authors :
 *
 * Guillaume Bort / INRIA
 * Francois Charoy / Universite Nancy 2
 * Julien Forest / Artenum
 * Claude Godart / Universite Henry Poincare
 * Florent Jouille / INRIA
 * Sebastien Jourdain / INRIA / Artenum
 * Yves Lerumeur / Artenum
 * Pascal Molli / Universite Henry Poincare
 * Gerald Oster / INRIA
 * Mariarosa Penzi / Artenum
 * Gerard Sookahet / Artenum
 * Raphael Tani / INRIA
 *
 * Contributors :
 *
 * Stephane Bagnier / Artenum
 * Amadou Dia / Artenum-IUP Blois
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */
package org.libresource.subversion;

import org.libresource.Libresource;

import org.libresource.subversion.interfaces.LibresourceSubversionService;

import org.libresource.xml.ImportExportLogger;
import org.libresource.xml.LibresourceImportHandler;

import org.xml.sax.Attributes;

import java.net.URI;


/**
 * LibreSource
 * Import d'une ressource Subversion en XML
 * format :
 *
 * @author georgy (gdf)
 */
public class SubversionImportHandler extends LibresourceImportHandler {
    private URI node;
    private String oldId;
    private String repertoryName;
    private String name;
    private String description;
    private String commiters;
    private String readers;

    private boolean enteredInDefinition = false;
    private StringBuffer tmpContent;
    private LibresourceSubversionService libresourceSubversionService;

    public void handleBeginElement(String name, Attributes attributes, 
				   ImportExportLogger logger)
      throws Exception {

        if (name.equals("libresource:subversion")) {
            enteredInDefinition = true;
	    oldId = attributes.getValue("id");
	    repertoryName = attributes.getValue("repertoryName");
        }

        if (name.equals("subversion:name")) {
            tmpContent = new StringBuffer();
        }

        if (name.equals("subversion:description")) {
            tmpContent = new StringBuffer();
        }

        if (name.equals("subversion:commiters")) {
            tmpContent = new StringBuffer();
        }

        if (name.equals("subversion:readers")) {
            tmpContent = new StringBuffer();
        }
    }

    public boolean handleEndElement(String name, ImportExportLogger logger)
        throws Exception {
        if (name.equals("libresource:subversion")) {
            enteredInDefinition = false;
	    // Create the repository
            libresourceSubversionService.createRepository(node, this.name, 
							  this.description,
							  this.commiters,
							  this.readers);

	    // Rename the repository if necessary
	    if (!repertoryName.equals(oldId)) {
	    libresourceSubversionService.editRepository(node, this.name, 
							this.repertoryName, 
							this.description, 
							this.commiters, 
							this.readers);
	    }

            return true;
        }

        if (name.equals("subversion:name")) {
            this.name = tmpContent.toString().trim();

            return false;
        }

        if (name.equals("subversion:description")) {
            this.description = tmpContent.toString().trim();

            return false;
        }

        if (name.equals("subversion:commiters")) {
            this.commiters = tmpContent.toString().trim();

            return false;
        }

        if (name.equals("subversion:readers")) {
            this.readers = tmpContent.toString().trim();

            return false;
        }

        return false;
    }

    public void handleContent(String content, ImportExportLogger logger)
        throws Exception {
        if (tmpContent != null) {
            tmpContent.append(content);
        }
    }

    public void init(URI node, ImportExportLogger logger)
        throws Exception {
        this.node = node;
        name = null;
        description = null;
	commiters = null;
	readers = null;

        tmpContent = null;
        libresourceSubversionService = (LibresourceSubversionService) 
	  Libresource.getService(SubversionConstants.SERVICE);
    }
}