package org.apache.maven.scm.provider.svn;

 /*

  * 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.StringUtils;

 /**

  * Command utilities for svn commands.

  *

  * @author <a href="mailto:jerome@coffeebreaks.org">Jerome Lacoste</a>

  * @version $Id: SvnCommandUtils.java 1134992 2011-06-12 21:54:27Z godin $

  */

 public final class SvnCommandUtils

 {

     private SvnCommandUtils() {

     }

     /**

      * Add or overrides the username into a url with a svn+ssh scheme.

      * <p/>

      * Svn 1.3.1 doesn't use the username information specified by --username when the url

      * uses the svn+ssh scheme. This allows to fix it. See MRELEASE-35.

      * </p>

      * Convert file url which derived from windows file path to unix path.

      * </p>

      * @param url      the url, not <code>null</code>

      * @param username the username, may be <code>null</code>

      * @return the fixed url

      * @throws NullPointerException if url is <code>null</code>

      */

     public static String fixUrl( String url, String username )

     {

         if ( !StringUtils.isEmpty( username ) && url.startsWith( "svn+ssh://" ) )

         {

             // is there a username to override ? If so we cut after

             int idx = url.indexOf( '@' );

             int cutIdx = idx < 0 ? "svn+ssh://".length() : idx + 1;

             url = "svn+ssh://" + username + "@" + url.substring( cutIdx );

         }

         else if ( url.startsWith( "file://" ) )

         {

             //some svn commands does not understand windows path separator in file URL derived from windows file path

             url = url.replace( '\\', '/' );

         }        

         return url;

     }

 }