Examples of org.springframework.core.convert.converter.GenericConverter

Package org.springframework.core.convert.converter

Examples of org.springframework.core.convert.converter.GenericConverter

org.springframework.core.convert.converter.GenericConverter
Generic converter interface for converting between two or more types.
This is the most flexible of the Converter SPI interfaces, but also the most complex. It is flexible in that a GenericConverter may support converting between multiple source/target type pairs (see {@link #getConvertibleTypes()}. In addition, GenericConverter implementations have access to source/target {@link TypeDescriptor field context} during the type conversion process.This allows for resolving source and target field metadata such as annotations and generics information, which can be used influence the conversion logic.
This interface should generally not be used when the simpler {@link Converter} or{@link ConverterFactory} interfaces are sufficient.
Implementations may additionally implement {@link ConditionalConverter}. @author Keith Donald @author Juergen Hoeller @since 3.0 @see TypeDescriptor @see Converter @see ConverterFactory @see ConditionalConverter

    Class<?> type = converter.getClass();
    boolean isWriting = type.isAnnotationPresent(WritingConverter.class);
    boolean isReading = type.isAnnotationPresent(ReadingConverter.class);


    if (converter instanceof GenericConverter) {
      GenericConverter genericConverter = (GenericConverter) converter;
      for (GenericConverter.ConvertiblePair pair : genericConverter.getConvertibleTypes()) {
        register(new ConverterRegistration(pair, isReading, isWriting));
      }
    } else if (converter instanceof Converter) {
      Class<?>[] arguments = GenericTypeResolver.resolveTypeArguments(converter.getClass(), Converter.class);
      register(new ConverterRegistration(arguments[0], arguments[1], isReading, isWriting));

View Full Code Here

  public boolean canConvert(TypeDescriptor sourceType, TypeDescriptor targetType) {
    Assert.notNull(targetType,"The targetType to convert to cannot be null");
    if (sourceType == null) {
      return true;
    }
    GenericConverter converter = getConverter(sourceType, targetType);
    return (converter != null);
  }

View Full Code Here

  public boolean canBypassConvert(TypeDescriptor sourceType, TypeDescriptor targetType) {
    Assert.notNull(targetType, "The targetType to convert to cannot be null");
    if (sourceType == null) {
      return true;
    }
    GenericConverter converter = getConverter(sourceType, targetType);
    return (converter == NO_OP_CONVERTER);
  }

View Full Code Here

    }
    if (source != null && !sourceType.getObjectType().isInstance(source)) {
      throw new IllegalArgumentException("The source to convert from must be an instance of " +
          sourceType + "; instead it was a " + source.getClass().getName());
    }
    GenericConverter converter = getConverter(sourceType, targetType);
    if (converter != null) {
      Object result = ConversionUtils.invokeConverter(converter, source, sourceType, targetType);
      return handleResult(sourceType, targetType, result);
    }
    return handleConverterNotFound(source, sourceType, targetType);

View Full Code Here

   * no suitable converter was found
   * @see #getDefaultConverter(TypeDescriptor, TypeDescriptor)
   */
  protected GenericConverter getConverter(TypeDescriptor sourceType, TypeDescriptor targetType) {
    ConverterCacheKey key = new ConverterCacheKey(sourceType, targetType);
    GenericConverter converter = this.converterCache.get(key);
    if (converter != null) {
      return (converter != NO_MATCH ? converter : null);
    }


    converter = this.converters.find(sourceType, targetType);

View Full Code Here

      // Search the full type hierarchy
      List<TypeDescriptor> sourceCandidates = getTypeHierarchy(sourceType);
      List<TypeDescriptor> targetCandidates = getTypeHierarchy(targetType);
      for (TypeDescriptor sourceCandidate : sourceCandidates) {
        for (TypeDescriptor targetCandidate : targetCandidates) {
          GenericConverter converter = getRegisteredConverter(
              sourceType, targetType, sourceCandidate, targetCandidate);
          if(converter != null) {
            return converter;
          }
        }

View Full Code Here

        TypeDescriptor sourceCandidate, TypeDescriptor targetCandidate) {


      // Check specifically registered converters
      ConvertersForPair convertersForPair = converters.get(new ConvertiblePair(
        sourceCandidate.getType(), targetCandidate.getType()));
      GenericConverter converter = convertersForPair == null ? null
        : convertersForPair.getConverter(sourceType, targetType);
      if (converter != null) {
        return converter;
      }

View Full Code Here

    TypeDescriptor targetElementType = targetType.getElementTypeDescriptor();
    if (targetElementType == TypeDescriptor.NULL || sourceType.isAssignableTo(targetElementType)) {
      target.add(source);
    }
    else {
      GenericConverter converter = this.conversionService.getConverter(sourceType, targetElementType);
      if (converter == null) {
        throw new ConverterNotFoundException(sourceType, targetElementType);
      }
      target.add(ConversionUtils.invokeConverter(converter, source, sourceType, targetElementType));
    }

View Full Code Here

    if (sourceType.isAssignableTo(targetElementType)) {
      return fields;
    }
    else {
      Object target = Array.newInstance(targetElementType.getType(), fields.length);
      GenericConverter converter = this.conversionService.getConverter(sourceType, targetElementType);
      if (converter == null) {
        throw new ConverterNotFoundException(sourceType, targetElementType);
      }
      for (int i = 0; i < fields.length; i++) {
        Array.set(target, i, ConversionUtils.invokeConverter(converter, fields[i], sourceType, targetElementType));

View Full Code Here

    Object target = Array.newInstance(targetElementType.getType(), 1);
    if (sourceType.isAssignableTo(targetElementType)) {
      Array.set(target, 0, source);
    }
    else {
      GenericConverter converter = this.conversionService.getConverter(sourceType, targetElementType);
      if (converter == null) {
        throw new ConverterNotFoundException(sourceType, targetElementType);
      }
      Array.set(target, 0, ConversionUtils.invokeConverter(converter, source, sourceType, targetElementType));
    }

View Full Code Here

0 1 2 3 4 5

TOP

Related Classes of org.springframework.core.convert.converter.GenericConverter

org.springframework.context.support.ConversionServiceFactoryBeanTests

org.springframework.core.convert.support.ArrayToCollectionConverter

org.springframework.core.convert.support.CollectionToArrayConverter

org.springframework.core.convert.support.CollectionToCollectionConverter

org.springframework.core.convert.support.CollectionToObjectConverter

org.springframework.core.convert.support.CollectionToStringConverter

org.springframework.core.convert.support.GenericConversionService

org.springframework.core.convert.support.GenericConversionService$Converters

org.springframework.core.convert.support.GenericConversionServiceTests

org.springframework.core.convert.support.ObjectToArrayConverter

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.