org.springframework.binding.expression.beanwrapper.BeanWrapperExpression java code examples

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}

  protected Expression doParseExpression(String expressionString, ParserContext context) throws ParserException {
    BeanWrapperExpression expression = new BeanWrapperExpression(expressionString, conversionService);
    expression.setAutoGrowNestedPaths(autoGrowNestedPaths);
    expression.setAutoGrowCollectionLimit(autoGrowCollectionLimit);
    return expression;
  }
}

public Class<?> getValueType(Object context) {
  try {
    BeanWrapperImpl beanWrapper = new BeanWrapperImpl(context);
    return beanWrapper.getPropertyType(expression);
  } catch (NotReadablePropertyException e) {
    throw new PropertyNotFoundException(context.getClass(), expression, e);
  } catch (BeansException e) {
    throw new EvaluationException(context.getClass(), getExpressionString(),
        "An BeansException occurred getting the value type for expression '" + getExpressionString()
            + "' on context [" + context.getClass() + "]", e);
  }
}

  protected Expression doParseExpression(String expressionString, ParserContext context) throws ParserException {
    return new BeanWrapperExpression(expressionString, conversionService);
  }
}

public Class<?> getValueType(Object context) {
  try {
    BeanWrapperImpl beanWrapper = new BeanWrapperImpl(context);
    return beanWrapper.getPropertyType(expression);
  } catch (NotReadablePropertyException e) {
    throw new PropertyNotFoundException(context.getClass(), expression, e);
  } catch (BeansException e) {
    throw new EvaluationException(context.getClass(), getExpressionString(),
        "An BeansException occurred getting the value type for expression '" + getExpressionString()
            + "' on context [" + context.getClass() + "]", e);
  }
}

  protected Expression doParseExpression(String expressionString, ParserContext context) throws ParserException {
    BeanWrapperExpression expression = new BeanWrapperExpression(expressionString, conversionService);
    expression.setAutoGrowNestedPaths(autoGrowNestedPaths);
    expression.setAutoGrowCollectionLimit(autoGrowCollectionLimit);
    return expression;
  }
}

public Class getValueType(Object context) {
  try {
    BeanWrapperImpl beanWrapper = new BeanWrapperImpl(context);
    return beanWrapper.getPropertyType(expression);
  } catch (NotReadablePropertyException e) {
    throw new PropertyNotFoundException(context.getClass(), expression, e);
  } catch (BeansException e) {
    throw new EvaluationException(context.getClass(), getExpressionString(),
        "An BeansException occurred getting the value type for expression '" + getExpressionString()
            + "' on context [" + context.getClass() + "]", e);
  }
}

public Object getValue(Object context) throws EvaluationException {
  try {
    BeanWrapperImpl beanWrapper = new BeanWrapperImpl(context);
    return beanWrapper.getPropertyValue(expression);
  } catch (NotReadablePropertyException e) {
    throw new PropertyNotFoundException(context.getClass(), expression, e);
  } catch (BeansException e) {
    throw new EvaluationException(context.getClass(), getExpressionString(),
        "A BeansException occurred getting the value for expression '" + getExpressionString()
            + "' on context [" + context.getClass() + "]", e);
  }
}

public Object getValue(Object context) throws EvaluationException {
  try {
    BeanWrapperImpl beanWrapper = new BeanWrapperImpl(context);
    beanWrapper.setAutoGrowNestedPaths(autoGrowNestedPaths);
    beanWrapper.setAutoGrowCollectionLimit(autoGrowCollectionLimit);
    return beanWrapper.getPropertyValue(expression);
  } catch (NotReadablePropertyException e) {
    throw new PropertyNotFoundException(context.getClass(), expression, e);
  } catch (BeansException e) {
    throw new EvaluationException(context.getClass(), getExpressionString(),
        "A BeansException occurred getting the value for expression '" + getExpressionString()
            + "' on context [" + context.getClass() + "]", e);
  }
}

public Object getValue(Object context) throws EvaluationException {
  try {
    BeanWrapperImpl beanWrapper = new BeanWrapperImpl(context);
    beanWrapper.setAutoGrowNestedPaths(autoGrowNestedPaths);
    beanWrapper.setAutoGrowCollectionLimit(autoGrowCollectionLimit);
    return beanWrapper.getPropertyValue(expression);
  } catch (NotReadablePropertyException e) {
    throw new PropertyNotFoundException(context.getClass(), expression, e);
  } catch (BeansException e) {
    throw new EvaluationException(context.getClass(), getExpressionString(),
        "A BeansException occurred getting the value for expression '" + getExpressionString()
            + "' on context [" + context.getClass() + "]", e);
  }
}

public void setValue(Object context, Object value) {
  try {
    BeanWrapperImpl beanWrapper = new BeanWrapperImpl(context);
    beanWrapper.setAutoGrowNestedPaths(autoGrowNestedPaths);
    beanWrapper.setAutoGrowCollectionLimit(autoGrowCollectionLimit);
    beanWrapper.setConversionService(conversionService.getDelegateConversionService());
    beanWrapper.setPropertyValue(expression, value);
  } catch (NotWritablePropertyException e) {
    throw new PropertyNotFoundException(context.getClass(), expression, e);
  } catch (TypeMismatchException e) {
    throw new ValueCoercionException(context.getClass(), expression, value, e.getRequiredType(), e);
  } catch (BeansException e) {
    throw new EvaluationException(context.getClass(), getExpressionString(),
        "A BeansException occurred setting the value of expression '" + getExpressionString()
            + "' on context [" + context.getClass() + "] to [" + value + "]", e);
  }
}

public void setValue(Object context, Object value) {
  try {
    BeanWrapperImpl beanWrapper = new BeanWrapperImpl(context);
    beanWrapper.setAutoGrowNestedPaths(autoGrowNestedPaths);
    beanWrapper.setAutoGrowCollectionLimit(autoGrowCollectionLimit);
    beanWrapper.setConversionService(conversionService.getDelegateConversionService());
    beanWrapper.setPropertyValue(expression, value);
  } catch (NotWritablePropertyException e) {
    throw new PropertyNotFoundException(context.getClass(), expression, e);
  } catch (TypeMismatchException e) {
    throw new ValueCoercionException(context.getClass(), expression, value, e.getRequiredType(), e);
  } catch (BeansException e) {
    throw new EvaluationException(context.getClass(), getExpressionString(),
        "A BeansException occurred setting the value of expression '" + getExpressionString()
            + "' on context [" + context.getClass() + "] to [" + value + "]", e);
  }
}

public void setValue(Object context, Object value) {
  try {
    BeanWrapperImpl beanWrapper = new BeanWrapperImpl(context);
    Set converters = conversionService.getConversionExecutors(String.class);
    for (Iterator it = converters.iterator(); it.hasNext();) {
      ConversionExecutor converter = (ConversionExecutor) it.next();
      beanWrapper.registerCustomEditor(converter.getTargetClass(), new PropertyEditorConverter(converter));
    }
    beanWrapper.setPropertyValue(expression, value);
  } catch (NotWritablePropertyException e) {
    throw new PropertyNotFoundException(context.getClass(), expression, e);
  } catch (TypeMismatchException e) {
    throw new ValueCoercionException(context.getClass(), expression, value, e.getRequiredType(), e);
  } catch (BeansException e) {
    throw new EvaluationException(context.getClass(), getExpressionString(),
        "A BeansException occurred setting the value of expression '" + getExpressionString()
            + "' on context [" + context.getClass() + "] to [" + value + "]", e);
  }
}

Javadoc

An expression that delegates to a BeanWrapperImpl to evaluate or set a property of a context. Also supports the configuration of a ConversionService to allow StringToObject type conversion to occur as part of setting a property. The StringToObject ConversionExecutors are automatically adapted and registered as PropertyEditors. Mainly exists to take advantage of BeanWrapper's unique property access features as an Expression implementation, notably the ability to infer types of generic collections and maps and perform type coersion on collection elements when setting values. Note that Spring's BeanWrapper is not a full-blown EL implementation: it only supports property access, and does not support method invocation, arithmetic operations, or logic operations.

Most used methods

<init>
Creates a new bean wrapper expression.
getExpressionString
setAutoGrowCollectionLimit
Specify a limit for array and collection auto-growing.Default is unlimited on a plain BeanWrapper.
setAutoGrowNestedPaths
Set whether this BeanWrapper should attempt to "auto-grow" a nested path that contains a null value.

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How to useBeanWrapperExpression in org.springframework.binding.expression.beanwrapper

Best Java code snippets using org.springframework.binding.expression.beanwrapper.BeanWrapperExpression (Showing top 12 results out of 315)

How to use
BeanWrapperExpression
in
org.springframework.binding.expression.beanwrapper