ByteArrayResource (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.core.io
Class ByteArrayResource

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

All Implemented Interfaces:: InputStreamSource, Resource

public class ByteArrayResource
extends AbstractResource
extends AbstractResource

Resource implementation for a given byte array. Creates a ByteArrayInputStreams for the given byte array.

Useful for loading content from any given byte array, without having to resort to a single-use InputStreamResource. Particularly useful for creating mail attachments from local content, where JavaMail needs to be able to read the stream multiple times.

Since:: 1.2.3
Author:: Juergen Hoeller
See Also:: ByteArrayInputStream, InputStreamResource, MimeMessageHelper.addAttachment(String, InputStreamSource)

Constructor Summary

ByteArrayResource(byte[] byteArray)
          Create a new ByteArrayResource.

ByteArrayResource(byte[] byteArray, String description)
          Create a new ByteArrayResource.

Method Summary

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

boolean exists()
          This implementation always returns true.

byte[] getByteArray()
          Return the underlying byte array.

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

InputStream getInputStream()
          This implementation returns a ByteArrayInputStream for the underlying byte array.

int hashCode()
          This implementation returns the hash code based on the underlying byte array.

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

createRelative, getFile, getFilename, getURL, isOpen, toString

Methods inherited from class java.lang.Object

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

Constructor Summary
`ByteArrayResource(byte[] byteArray)` Create a new ByteArrayResource.
`ByteArrayResource(byte[] byteArray, String description)` Create a new ByteArrayResource.

Method Summary
`boolean`	`equals(Object obj)` This implementation compares the underlying byte array.
`boolean`	`exists()` This implementation always returns `true`.
`byte[]`	`getByteArray()` Return the underlying byte array.
`String`	`getDescription()` This implementation returns the passed-in description, if any.
`InputStream`	`getInputStream()` This implementation returns a ByteArrayInputStream for the underlying byte array.
`int`	`hashCode()` This implementation returns the hash code based on the underlying byte array.

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

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

Constructor Detail