InputStreamResource (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.core.io
Class InputStreamResource

java.lang.Object
  org.springframework.core.io.AbstractResource
      org.springframework.core.io.InputStreamResource

All Implemented Interfaces:: InputStreamSource, Resource

public class InputStreamResource
extends AbstractResource
extends AbstractResource

Resource implementation for a given InputStream. Should only be used if no specific Resource implementation is applicable. In particular, prefer ByteArrayResource or any of the file-based Resource implementations where possible.

In contrast to other Resource implementations, this is a descriptor for an already opened resource - therefore returning "true" from isOpen(). Do not use it if you need to keep the resource descriptor somewhere, or if you need to read a stream multiple times.

Since:: 28.12.2003
Author:: Juergen Hoeller
See Also:: ByteArrayResource, ClassPathResource, FileSystemResource, UrlResource

Constructor Summary

InputStreamResource(InputStream inputStream)
          Create a new InputStreamResource.

InputStreamResource(InputStream inputStream, String description)
          Create a new InputStreamResource.

Method Summary

boolean equals(Object obj)
          This implementation compares the underlying InputStream.

boolean exists()
          This implementation always returns true.

String getDescription()
          This implementation returns the passed-in description, if any.

InputStream getInputStream()
          This implementation throws IllegalStateException if attempting to read the underlying stream multiple times.

int hashCode()
          This implementation returns the hash code of the underlying InputStream.

boolean isOpen()
          This implementation always returns true.

Methods inherited from class org.springframework.core.io.AbstractResource

createRelative, getFile, getFilename, getURL, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Summary
`InputStreamResource(InputStream inputStream)` Create a new InputStreamResource.
`InputStreamResource(InputStream inputStream, String description)` Create a new InputStreamResource.

Method Summary
`boolean`	`equals(Object obj)` This implementation compares the underlying InputStream.
`boolean`	`exists()` This implementation always returns `true`.
`String`	`getDescription()` This implementation returns the passed-in description, if any.
`InputStream`	`getInputStream()` This implementation throws IllegalStateException if attempting to read the underlying stream multiple times.
`int`	`hashCode()` This implementation returns the hash code of the underlying InputStream.
`boolean`	`isOpen()` This implementation always returns `true`.

Methods inherited from class org.springframework.core.io.AbstractResource
`createRelative, getFile, getFilename, getURL, toString`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Constructor Detail