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 org.apache.maven.surefire.util.NestedRuntimeException;
  import org.apache.maven.surefire.util.ReflectionUtils;
  import org.apache.maven.surefire.util.internal.StringUtils;
  
  import java.io.ByteArrayInputStream;
  import java.io.File;
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Properties;
  
  /**
   * @author Kristian Rosenvold
   */
  public class PropertiesWrapper
  {
      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 ( Iterator i = properties.keySet().iterator(); i.hasNext(); )
          {
              String key = (String) i.next();
  
              System.setProperty( key, properties.getProperty( key ) );
          }
      }
  
      public String getProperty( String key )
      {
          return properties.getProperty( key );
      }
  
      public boolean getBooleanProperty( String propertyName )
      {
          final Boolean aBoolean = Boolean.valueOf( properties.getProperty( propertyName ) );
          return aBoolean.booleanValue();
      }
  
      public Boolean getBooleanObjectProperty( String propertyName )
      {
          return Boolean.valueOf( properties.getProperty( propertyName ) );
      }
  
      public Integer getIntegerObjectProperty( String propertyName )
      {
          String property = properties.getProperty( propertyName );
          return property != null ? Integer.valueOf( property ) : null;
      }
  
      public File getFileProperty( String key )
      {
          final String property = getProperty( key );
          if ( property == null )
          {
              return null;
          }
          return (File) getParamValue( property, File.class.getName() );
      }
  
      public List getListOfTypedObjects( String propertyPrefix )
      {
          String type;
          String value;
         List result = new ArrayList();
         for ( int i = 0; ( type = getProperty( propertyPrefix + i + BooterConstants.TYPES_SUFIX ) ) != null; i++ )
         {
             value = getProperty( propertyPrefix + i + BooterConstants.PARAMS_SUFIX );
             result.add( getParamValue( value, type ) );
         }
         return result;
     }
 
     public List getStringList( String propertyPrefix )
     {
         String value;
         List result = new ArrayList();
         // 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 Object getTypeDecoded( 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 getParamValue( value, type );
     }
 
     private Object getParamValue( String param, String typeName )
     {
         if ( typeName.trim().length() == 0 )
         {
             return null;
         }
         else if ( typeName.equals( String.class.getName() ) )
         {
             return param;
         }
         else if ( typeName.equals( Class.class.getName() ) )
         {
             return ReflectionUtils.loadClass( Thread.currentThread().getContextClassLoader(), param );
         }
         else if ( typeName.equals( File.class.getName() ) )
         {
             return new File( param );
         }
         else if ( typeName.equals( File[].class.getName() ) )
         {
             List stringList = processStringList( param );
             File[] fileList = new File[stringList.size()];
             for ( int j = 0; j < stringList.size(); j++ )
             {
                 fileList[j] = new File( (String) stringList.get( j ) );
             }
             return fileList;
         }
         else if ( typeName.equals( ArrayList.class.getName() ) )
         {
             return processStringList( param );
         }
         else if ( typeName.equals( Boolean.class.getName() ) )
         {
             return Boolean.valueOf( param );
         }
         else if ( typeName.equals( Integer.class.getName() ) )
         {
             return Integer.valueOf( param );
         }
         else if ( typeName.equals( Properties.class.getName() ) )
         {
             final Properties result = new Properties();
             try
             {
                 ByteArrayInputStream bais = new ByteArrayInputStream( param.getBytes( "8859_1" ) );
                 result.load( bais );
             }
             catch ( Exception e )
             {
                 throw new NestedRuntimeException( "bug in property conversion", e );
             }
             return result;
         }
         else
         {
             // TODO: could attempt to construct with a String constructor if needed
             throw new IllegalArgumentException( "Unknown parameter type: " + typeName );
         }
     }
 
     private static List processStringList( String stringList )
     {
         String sl = stringList;
 
         if ( sl.startsWith( "[" ) && sl.endsWith( "]" ) )
         {
             sl = sl.substring( 1, sl.length() - 1 );
         }
 
         List list = new ArrayList();
 
         String[] stringArray = StringUtils.split( sl, "," );
 
         for ( int i = 0; i < stringArray.length; i++ )
         {
             list.add( stringArray[i].trim() );
         }
         return list;
     }
 
     public void setProperty( String key, File file )
     {
         if ( file != null )
         {
             setProperty( key, file.toString() );
         }
     }
 
     public void setProperty( String key, Boolean aBoolean )
     {
         if ( aBoolean != null )
         {
             setProperty( key, aBoolean.toString() );
         }
     }
 
     Classpath getClasspath( String prefix  )
     {
         List 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, Integer integer )
     {
         if ( integer != null )
         {
             setProperty( key, integer.toString() );
         }
     }
 
 
     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 (Iterator iterator = items.iterator(); iterator.hasNext();)
         {
             Object item = iterator.next();
             if ( item == null )
             {
                 throw new NullPointerException( propertyPrefix + i + " has null value" );
             }
 
             String[] stringArray = StringUtils.split(item.toString(), ",");
 
             for ( int j = 0; j < stringArray.length; j++ )
             {
                 properties.setProperty( propertyPrefix + i, stringArray[j] );
                 i++;
             }
 
         }
     }
 
 }