package org.apache.maven.plugin.ear;

 /*

  * 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 org.codehaus.plexus.util.WriterFactory;

 import org.codehaus.plexus.util.xml.PrettyPrintXMLWriter;

 import org.codehaus.plexus.util.xml.XMLWriter;

 import java.io.File;

 import java.io.IOException;

 import java.io.Writer;

 /**

  * A base class for deployment descriptor file generators.

  *

  * @author <a href="snicoll@apache.org">Stephane Nicoll</a>

  * @version $Id: AbstractXmlWriter.java 737508 2009-01-25 13:30:18Z bentmann $

  */

 abstract class AbstractXmlWriter

 {

     private final String encoding;

     protected static final String MODULE_ELEMENT = "module";

     protected static final String SERVICE_ELEMENT = "service";

     AbstractXmlWriter( String encoding )

     {

         this.encoding = encoding;

     }

     protected Writer initializeWriter( final File destinationFile )

         throws EarPluginException

     {

         try

         {

             return WriterFactory.newXmlWriter( destinationFile );

         }

         catch ( IOException ex )

         {

             throw new EarPluginException( "Exception while opening file[" + destinationFile.getAbsolutePath() + "]",

                                           ex );

         }

     }

     protected XMLWriter initializeXmlWriter( final Writer writer, final String docType )

     {

         return new PrettyPrintXMLWriter( writer, encoding, docType );

     }

     protected void close( Writer closeable )

     {

         if ( closeable == null )

         {

             return;

         }

         try

         {

             closeable.close();

         }

         catch ( Exception e )

         {

             // TODO: warn

         }

     }

     public String getEncoding()

     {

         return encoding;

     }

 }