package org.apache.maven.surefire.booter;

 /*

  * 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.File;

 import java.util.ArrayList;

 import java.util.Iterator;

 import java.util.List;

 import java.util.Map;

 import java.util.Properties;

 import org.apache.maven.surefire.util.internal.StringUtils;

 /**

  * Makes java.util.Properties behave like it's 2013

  *

  * @author Kristian Rosenvold

  */

 public class PropertiesWrapper

     implements KeyValueSource

 {

     private final Properties properties;

     public PropertiesWrapper( Properties properties )

     {

         if ( properties == null )

         {

             throw new IllegalStateException( "Properties cannot be null" );

         }

         this.properties = properties;

     }

     public Properties getProperties()

     {

         return properties;

     }

     public void setAsSystemProperties()

     {

         for ( Object o : properties.keySet() )

         {

             String key = (String) o;

             System.setProperty( key, properties.getProperty( key ) );

         }

     }

     public String getProperty( String key )

     {

         return properties.getProperty( key );

     }

     public boolean getBooleanProperty( String propertyName )

     {

         return Boolean.valueOf( properties.getProperty( propertyName ) );

     }

     public Boolean getBooleanObjectProperty( String propertyName )

     {

         return Boolean.valueOf( properties.getProperty( propertyName ) );

     }

     public File getFileProperty( String key )

     {

         final String property = getProperty( key );

         if ( property == null )

         {

             return null;

         }

         TypeEncodedValue typeEncodedValue = new TypeEncodedValue( File.class.getName(), property );

         return (File) typeEncodedValue.getDecodedValue();

     }

     public List<String> getStringList( String propertyPrefix )

     {

         String value;

         List<String> result = new ArrayList<String>();

         // Whoa, C !!

         for ( int i = 0; ( value = getProperty( propertyPrefix + i ) ) != null; i++ )

         {

             result.add( value );

         }

         return result;

     }

     /**

      * Retrieves as single object that is persisted with type encoding

      *

      * @param key The key for the propery

      * @return The object, of a supported type

      */

     public TypeEncodedValue getTypeEncodedValue( String key )

     {

         String typeEncoded = getProperty( key );

         if ( typeEncoded == null )

         {

             return null;

         }

         int typeSep = typeEncoded.indexOf( "|" );

         String type = typeEncoded.substring( 0, typeSep );

         String value = typeEncoded.substring( typeSep + 1 );

         return new TypeEncodedValue( type, value );

     }

     Classpath getClasspath( String prefix )

     {

         List<String> elements = getStringList( prefix );

         return new Classpath( elements );

     }

     public void setClasspath( String prefix, Classpath classpath )

     {

         List classpathElements = classpath.getClassPath();

         for ( int i = 0; i < classpathElements.size(); ++i )

         {

             String element = (String) classpathElements.get( i );

             setProperty( prefix + i, element );

         }

     }

     public void setProperty( String key, String value )

     {

         if ( value != null )

         {

             properties.setProperty( key, value );

         }

     }

     public void addList( List items, String propertyPrefix )

     {

         if ( items == null || items.size() == 0 )

         {

             return;

         }

         int i = 0;

         for ( Object item : items )

         {

             if ( item == null )

             {

                 throw new NullPointerException( propertyPrefix + i + " has null value" );

             }

             String[] stringArray = StringUtils.split( item.toString(), "," );

             for ( String aStringArray : stringArray )

             {

                 properties.setProperty( propertyPrefix + i, aStringArray );

                 i++;

             }

         }

     }

     public void copyTo( Map target )

     {

         Iterator iter = properties.keySet().iterator();

         Object key;

         while ( iter.hasNext() )

         {

             key = iter.next();

             //noinspection unchecked

             target.put( key, properties.get( key ) );

         }

     }

 }