package org.apache.torque.task;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *   http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 import java.io.BufferedWriter;

 import java.io.FileWriter;

 import org.apache.tools.ant.BuildException;

 import org.apache.tools.ant.Project;

 import org.apache.tools.ant.Task;

 import org.apache.torque.engine.database.model.Database;

 import org.apache.torque.engine.database.transform.SQLToAppData;

 /**

  * An ant task for creating an xml schema from an sql schema

  *

  * @author <a href="mailto:leon@opticode.co.za">Leon Messerschmidt</a>

  * @author <a href="mailto:jvanzyl@zenplex.com">Jason van Zyl</a>

  * @version $Id: TorqueSQLTransformTask.java,v 1.1 2007-10-21 07:57:26 abyrne Exp $

  */

 public class TorqueSQLTransformTask extends Task

 {

     /** SQL input file. */

     private String inputFile;

     /** XML descriptor output file. */

     private String outputFile;

     /**

      * Get the current input file

      *

      * @return the input file

      */

     public String getInputFile()

     {

         return inputFile;

     }

     /**

      * Set the sql input file.  This file must exist

      *

      * @param v the input file

      */

     public void setInputFile(String v)

     {

         inputFile = v;

     }

     /**

      * Get the current output file.

      *

      * @return the output file

      */

     public String getOutputFile()

     {

         return outputFile;

     }

     /**

      * Set the current output file.  If the file does not

      * exist it will be created.  If the file exists all

      * it's contents will be replaced.

      *

      * @param v the output file

      */

     public void setOutputFile (String v)

     {

         outputFile = v;

     }

     /**

      * Execute the task.

      *

      * @throws BuildException Any exceptions caught during procssing will be

      *         rethrown wrapped into a BuildException

      */

     public void execute() throws BuildException

     {

         try

         {

             log("Parsing SQL Schema", Project.MSG_INFO);

             SQLToAppData sqlParser = new SQLToAppData(inputFile);

             Database app = sqlParser.execute();

             log("Preparing to write xml schema", Project.MSG_INFO);

             FileWriter fr = new FileWriter(outputFile);

             BufferedWriter br = new BufferedWriter (fr);

             br.write(app.toString());

             log("Writing xml schema", Project.MSG_INFO);

             br.flush();

             br.close();

         }

         catch (Exception e)

         {

             throw new BuildException(e);

         }

     }

 }