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public interface Part
This class represents a part or form item that was received within a
multipart/form-data
POST request.
Method Summary | |
---|---|
void |
delete()
Deletes the underlying storage for a file item, including deleting any associated temporary disk file. |
java.lang.String |
getContentType()
Gets the content type of this part. |
java.lang.String |
getHeader(java.lang.String name)
Returns the value of the specified mime header as a String . |
java.util.Collection<java.lang.String> |
getHeaderNames()
Gets the header names of this Part. |
java.util.Collection<java.lang.String> |
getHeaders(java.lang.String name)
Gets the values of the Part header with the given name. |
java.io.InputStream |
getInputStream()
Gets the content of this part as an InputStream |
java.lang.String |
getName()
Gets the name of this part |
long |
getSize()
Returns the size of this fille. |
void |
write(java.lang.String fileName)
A convenience method to write this uploaded item to disk. |
Method Detail |
---|
java.io.InputStream getInputStream() throws java.io.IOException
java.io.IOException
- If an error occurs in retrieving the contet
as an InputStreamjava.lang.String getContentType()
java.lang.String getName()
long getSize()
long
specifying the size of this part, in bytes.void write(java.lang.String fileName) throws java.io.IOException
This method is not guaranteed to succeed if called more than once for the same part. This allows a particular implementation to use, for example, file renaming, where possible, rather than copying all of the underlying data, thus gaining a significant performance benefit.
fileName
- the name of the file to which the stream will be
written. The file is created relative to the location as
specified in the MultipartConfig
java.io.IOException
- if an error occurs.void delete() throws java.io.IOException
java.io.IOException
- if an error occurs.java.lang.String getHeader(java.lang.String name)
String
. If the Part did not include a header
of the specified name, this method returns null
.
If there are multiple headers with the same name, this method
returns the first header in the part.
The header name is case insensitive. You can use
this method with any request header.
name
- a String
specifying the
header name
String
containing the
value of the requested
header, or null
if the part does not
have a header of that namejava.util.Collection<java.lang.String> getHeaders(java.lang.String name)
Any changes to the returned Collection
must not
affect this Part
.
Part header names are case insensitive.
name
- the header name whose values to return
Collection
of the values of
the header with the given namejava.util.Collection<java.lang.String> getHeaderNames()
Some servlet containers do not allow
servlets to access headers using this method, in
which case this method returns null
Any changes to the returned Collection
must not
affect this Part
.
Collection
of the header
names of this Part
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Generated on 10-February-2011 12:41