Example usage for org.springframework.integration.channel AbstractMessageChannel setDatatypes

Introduction

In this page you can find the example usage for org.springframework.integration.channel AbstractMessageChannel setDatatypes.

Prototype

public void setDatatypes(Class<?>... datatypes) 

Source Link

Document

Specify the Message payload datatype(s) supported by this channel.

Usage

From source file:org.springframework.xd.dirt.plugins.stream.ModuleTypeConversionPlugin.java

private void configureModuleConverters(String contentTypeString, Module module, boolean isInput) {
    if (logger.isDebugEnabled()) {
        logger.debug("module " + (isInput ? "input" : "output") + "Type is " + contentTypeString);
    }/* w w  w  .  ja  v  a 2 s  .  c om*/
    SimpleModule sm = (SimpleModule) module;
    try {
        MimeType contentType = resolveContentType(contentTypeString, module);

        AbstractMessageChannel channel = getChannel(module, isInput);

        CompositeMessageConverter converters = null;
        try {
            converters = converterFactory.newInstance(contentType);
        } catch (ConversionException e) {
            throw new ModuleConfigurationException(e.getMessage() + "(" + module.getName() + " --"
                    + (isInput ? "input" : "output") + "Type=" + contentTypeString + ")");
        }

        Class<?> dataType = MessageConverterUtils.getJavaTypeForContentType(contentType,
                sm.getApplicationContext().getClassLoader());
        if (dataType == null) {
            throw new ModuleConfigurationException("Content type is not supported for " + module.getName()
                    + " --" + (isInput ? "input" : "output") + "Type=" + contentTypeString);
        } else {
            channel.setDatatypes(dataType);
            channel.setMessageConverter(converters);
        }

    } catch (Throwable t) {
        throw new ModuleConfigurationException(t.getMessage(), t);
    }
}

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From source file:org.springframework.xd.dirt.plugins.stream.ModuleTypeConversionSupport.java

/**
 * Configure the message converters for the given message channel and content type.
 * Detect the data types from the provided class loader.
 *
 * @param channel the message channel to configure the message converters
 * @param contentType the content type to use
 * @param classLoader the classloader to search the dataType(s) classes
 */// ww  w.  j  a v a2 s. c  o m
public void configureMessageConverters(AbstractMessageChannel channel, MimeType contentType,
        ClassLoader classLoader) {
    CompositeMessageConverter converters = null;
    try {
        converters = converterFactory.newInstance(contentType);
    } catch (ConversionException e) {
        throw new ModuleConfigurationException(
                e.getMessage() + "(" + channel.getComponentName() + "Type=" + contentType + ")");
    }

    Class<?> dataType = MessageConverterUtils.getJavaTypeForContentType(contentType, classLoader);
    if (dataType == null) {
        throw new ModuleConfigurationException(
                "Content type is not supported for " + channel.getComponentName() + "Type=" + contentType);
    } else {
        channel.setDatatypes(dataType);
        channel.setMessageConverter(converters);
    }

}

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