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java.lang.Objectorg.springframework.http.converter.AbstractHttpMessageConverter<org.springframework.core.io.Resource>
org.springframework.http.converter.ResourceHttpMessageConverter
public class ResourceHttpMessageConverter
Implementation of HttpMessageConverter that can read and write Resources.
By default, this converter can read all media types. application/octet-stream is used to determine the
Content-Type of written resources.
| Constructor Summary | |
|---|---|
ResourceHttpMessageConverter()
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| Method Summary | |
|---|---|
protected java.lang.Long |
getContentLength(org.springframework.core.io.Resource resource,
MediaType contentType)
Returns the content length for the given type. |
protected MediaType |
getDefaultContentType(org.springframework.core.io.Resource resource)
Returns the default content type for the given type. |
protected org.springframework.core.io.Resource |
readInternal(java.lang.Class<? extends org.springframework.core.io.Resource> clazz,
HttpInputMessage inputMessage)
Abstract template method that reads the actualy object. |
protected boolean |
supports(java.lang.Class<?> clazz)
Indicates whether the given class is supported by this converter. |
protected void |
writeInternal(org.springframework.core.io.Resource resource,
HttpOutputMessage outputMessage)
Abstract template method that writes the actual body. |
| Methods inherited from class org.springframework.http.converter.AbstractHttpMessageConverter |
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canRead, canRead, canWrite, canWrite, getSupportedMediaTypes, read, setSupportedMediaTypes, write |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public ResourceHttpMessageConverter()
| Method Detail |
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protected boolean supports(java.lang.Class<?> clazz)
AbstractHttpMessageConverter
supports in class AbstractHttpMessageConverter<org.springframework.core.io.Resource>clazz - the class to test for support
true if supported; false otherwise
protected org.springframework.core.io.Resource readInternal(java.lang.Class<? extends org.springframework.core.io.Resource> clazz,
HttpInputMessage inputMessage)
throws java.io.IOException,
HttpMessageNotReadableException
AbstractHttpMessageConverterAbstractHttpMessageConverter.read(java.lang.Class extends T>, org.springframework.http.HttpInputMessage).
readInternal in class AbstractHttpMessageConverter<org.springframework.core.io.Resource>clazz - the type of object to returninputMessage - the HTTP input message to read from
java.io.IOException - in case of I/O errors
HttpMessageNotReadableException - in case of conversion errorsprotected MediaType getDefaultContentType(org.springframework.core.io.Resource resource)
AbstractHttpMessageConverterAbstractHttpMessageConverter.write(T, org.springframework.http.MediaType, org.springframework.http.HttpOutputMessage)
is invoked without a specified content type parameter.
By default, this returns the first element of the
supportedMediaTypes property, if any.
Can be overridden in subclasses.
getDefaultContentType in class AbstractHttpMessageConverter<org.springframework.core.io.Resource>resource - the type to return the content type for
null if not known
protected java.lang.Long getContentLength(org.springframework.core.io.Resource resource,
MediaType contentType)
throws java.io.IOException
AbstractHttpMessageConverterBy default, this returns null, meaning that the content length is unknown.
Can be overridden in subclasses.
getContentLength in class AbstractHttpMessageConverter<org.springframework.core.io.Resource>resource - the type to return the content length for
null if not known
java.io.IOException
protected void writeInternal(org.springframework.core.io.Resource resource,
HttpOutputMessage outputMessage)
throws java.io.IOException,
HttpMessageNotWritableException
AbstractHttpMessageConverterAbstractHttpMessageConverter.write(T, org.springframework.http.MediaType, org.springframework.http.HttpOutputMessage).
writeInternal in class AbstractHttpMessageConverter<org.springframework.core.io.Resource>resource - the object to write to the output messageoutputMessage - the message to write to
java.io.IOException - in case of I/O errors
HttpMessageNotWritableException - in case of conversion errors
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