/*
    * ModeShape (http://www.modeshape.org)
    * See the COPYRIGHT.txt file distributed with this work for information
    * regarding copyright ownership.  Some portions may be licensed
    * to Red Hat, Inc. under one or more contributor license agreements.
    * See the AUTHORS.txt file in the distribution for a full listing of 
    * individual contributors. 
    *
    * ModeShape is free software. Unless otherwise indicated, all code in ModeShape
   * is licensed to you under the terms of the GNU Lesser General Public License as
   * published by the Free Software Foundation; either version 2.1 of
   * the License, or (at your option) any later version.
   *
   * ModeShape is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this software; if not, write to the Free
   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
   */
  package org.modeshape.graph.property.basic;
  
  import java.io.InputStream;
  import java.io.Reader;
  import java.math.BigDecimal;
  import java.net.URI;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.UUID;
  import net.jcip.annotations.Immutable;
  import org.modeshape.common.text.TextDecoder;
  import org.modeshape.graph.GraphI18n;
  import org.modeshape.graph.property.Binary;
  import org.modeshape.graph.property.DateTime;
  import org.modeshape.graph.property.IoException;
  import org.modeshape.graph.property.Name;
  import org.modeshape.graph.property.Path;
  import org.modeshape.graph.property.PropertyType;
  import org.modeshape.graph.property.Reference;
  import org.modeshape.graph.property.ValueFactory;
  import org.modeshape.graph.property.ValueFormatException;
  
  /**
   * The standard {@link ValueFactory} for {@link PropertyType#DOUBLE} values.
   */
  @Immutable
  public class DoubleValueFactory extends AbstractValueFactory<Double> {
  
      public DoubleValueFactory( TextDecoder decoder,
                                 ValueFactory<String> stringValueFactory ) {
          super(PropertyType.DOUBLE, decoder, stringValueFactory);
      }
  
      /**
       * {@inheritDoc}
       */
      public Double create( String value ) {
          if (value == null) return null;
          try {
              return Double.valueOf(value.trim());
          } catch (NumberFormatException err) {
              throw new ValueFormatException(value, getPropertyType(),
                                             GraphI18n.errorConvertingType.text(String.class.getSimpleName(),
                                                                                Double.class.getSimpleName(),
                                                                                value), err);
          }
      }
  
      /**
       * {@inheritDoc}
       */
      public Double create( String value,
                            TextDecoder decoder ) {
          // this probably doesn't really need to call the decoder, but by doing so then we don't care at all what the decoder does
          return create(getDecoder(decoder).decode(value));
      }
  
      /**
       * {@inheritDoc}
       */
      public Double create( int value ) {
          return Double.valueOf(value);
      }
  
      /**
       * {@inheritDoc}
       */
      public Double create( long value ) {
          return new Double(value);
      }
  
      /**
       * {@inheritDoc}
       */
      public Double create( boolean value ) {
          throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                     Double.class.getSimpleName(),
                                                                                                     value));
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( float value ) {
         return Double.valueOf(value);
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( double value ) {
         return value;
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( BigDecimal value ) {
         if (value == null) return null;
         double result = value.doubleValue();
         if (result == Double.NEGATIVE_INFINITY || result == Double.POSITIVE_INFINITY) {
             throw new ValueFormatException(value, getPropertyType(),
                                            GraphI18n.errorConvertingType.text(BigDecimal.class.getSimpleName(),
                                                                               Double.class.getSimpleName(),
                                                                               value));
         }
         return result;
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( Calendar value ) {
         if (value == null) return null;
         return create(value.getTimeInMillis());
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( Date value ) {
         if (value == null) return null;
         return create(value.getTime());
     }
 
     /**
      * {@inheritDoc}
      * 
      * @see org.modeshape.graph.property.ValueFactory#create(org.modeshape.graph.property.DateTime)
      */
     public Double create( DateTime value ) throws ValueFormatException {
         if (value == null) return null;
         return create(value.getMilliseconds());
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( Name value ) {
         throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                     Name.class.getSimpleName(),
                                                                                                     value));
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( Path value ) {
         throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                     Path.class.getSimpleName(),
                                                                                                     value));
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( Path.Segment value ) {
         throw new ValueFormatException(value, getPropertyType(),
                                        GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                           Path.Segment.class.getSimpleName(),
                                                                           value));
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( Reference value ) {
         throw new ValueFormatException(value, getPropertyType(),
                                        GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                           Reference.class.getSimpleName(),
                                                                           value));
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( URI value ) {
         throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                     URI.class.getSimpleName(),
                                                                                                     value));
     }
 
     /**
      * {@inheritDoc}
      * 
      * @see org.modeshape.graph.property.ValueFactory#create(java.util.UUID)
      */
     public Double create( UUID value ) {
         throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
                                                                                                     UUID.class.getSimpleName(),
                                                                                                     value));
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( byte[] value ) {
         // First attempt to create a string from the value, then a long from the string ...
         return create(getStringValueFactory().create(value));
     }
 
     /**
      * {@inheritDoc}
      * 
      * @see org.modeshape.graph.property.ValueFactory#create(org.modeshape.graph.property.Binary)
      */
     public Double create( Binary value ) throws ValueFormatException, IoException {
         // First create a string and then create the boolean from the string value ...
         return create(getStringValueFactory().create(value));
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( InputStream stream,
                           long approximateLength ) throws IoException {
         // First attempt to create a string from the value, then a double from the string ...
         return create(getStringValueFactory().create(stream, approximateLength));
     }
 
     /**
      * {@inheritDoc}
      */
     public Double create( Reader reader,
                           long approximateLength ) throws IoException {
         // First attempt to create a string from the value, then a double from the string ...
         return create(getStringValueFactory().create(reader, approximateLength));
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     protected Double[] createEmptyArray( int length ) {
         return new Double[length];
     }
 
 }