Example usage for org.springframework.core.convert.support DefaultConversionService getSharedInstance

Introduction

In this page you can find the example usage for org.springframework.core.convert.support DefaultConversionService getSharedInstance.

Prototype

public static ConversionService getSharedInstance() 

Source Link

Document

Return a shared default ConversionService instance, lazily building it once needed.

Usage

From source file:jun.learn.scene.propertysource.AbstractPropertyResolver.java

/**
 * Convert the given value to the specified target type, if necessary.
 * @param value the original property value
 * @param targetType the specified target type for property retrieval
 * @return the converted value, or the original value if no conversion
 * is necessary//  www  . j  a v a 2 s .  co m
 * @since 4.3.5
 */
@SuppressWarnings("unchecked")
protected <T> T convertValueIfNecessary(Object value, Class<T> targetType) {
    if (targetType == null) {
        return (T) value;
    }
    ConversionService conversionServiceToUse = this.conversionService;
    if (conversionServiceToUse == null) {
        // Avoid initialization of shared DefaultConversionService if
        // no standard type conversion is needed in the first place...
        if (ClassUtils.isAssignableValue(targetType, value)) {
            return (T) value;
        }
        conversionServiceToUse = DefaultConversionService.getSharedInstance();
    }
    return conversionServiceToUse.convert(value, targetType);
}

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From source file:org.springframework.core.env.AbstractPropertyResolver.java

/**
 * Convert the given value to the specified target type, if necessary.
 * @param value the original property value
 * @param targetType the specified target type for property retrieval
 * @return the converted value, or the original value if no conversion
 * is necessary/*w ww  .j  a v a  2s . c  o m*/
 * @since 4.3.5
 */
@SuppressWarnings("unchecked")
@Nullable
protected <T> T convertValueIfNecessary(Object value, @Nullable Class<T> targetType) {
    if (targetType == null) {
        return (T) value;
    }
    ConversionService conversionServiceToUse = this.conversionService;
    if (conversionServiceToUse == null) {
        // Avoid initialization of shared DefaultConversionService if
        // no standard type conversion is needed in the first place...
        if (ClassUtils.isAssignableValue(targetType, value)) {
            return (T) value;
        }
        conversionServiceToUse = DefaultConversionService.getSharedInstance();
    }
    return conversionServiceToUse.convert(value, targetType);
}

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From source file:org.springframework.integration.config.annotation.AbstractMethodAnnotationPostProcessor.java

@SuppressWarnings("unchecked")
public AbstractMethodAnnotationPostProcessor(ConfigurableListableBeanFactory beanFactory) {
    Assert.notNull(beanFactory, "'beanFactory' must not be null");
    this.messageHandlerAttributes.add(SEND_TIMEOUT_ATTRIBUTE);
    this.beanFactory = beanFactory;
    ConversionService conversionService = this.beanFactory.getConversionService();
    if (conversionService != null) {
        this.conversionService = conversionService;
    } else {//from w w w  . ja  va2 s .  c  o  m
        this.conversionService = DefaultConversionService.getSharedInstance();
    }
    this.channelResolver = new BeanFactoryChannelResolver(beanFactory);
    this.annotationType = (Class<T>) GenericTypeResolver.resolveTypeArgument(this.getClass(),
            MethodAnnotationPostProcessor.class);
}

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