Class | Description |
---|---|
Handler |
A stream handler for URLs with the HTTPMD protocol.
|
HttpmdIntegrityVerifier |
Integrity verifier for HTTPMD URLs.
|
HttpmdUtil |
Provides utility methods for creating and using HTTPMD URLs.
|
Exception | Description |
---|---|
WrongMessageDigestException |
Thrown when the message digest for data retrieved from an HTTPMD URL does
not match the value specified in the URL.
|
HTTPMD URLs provide a way to insure the integrity of data retrieved from an HTTP URL. The HTTPMD URL includes a message digest for the data to be retrieved from the URL. The URL input stream insures that the data has the correct message digest when the end of file for the stream is reached.
The Handler
class defines a stream handler
for HTTPMD URLs. You can specify that this class be used for HTTPMD URLs
by setting the "java.protocol.handler.pkgs" system property to
"net.jini.url". See URL.URL(java.lang.String,
java.lang.String, int, java.lang.String)
for more details on specifying
a URL stream protocol handler.
The HttpmdIntegrityVerifier
class defines an
integrity verifier for HTTPMD URLs. This class is intended to be
specified in a resource to configure the operation of Security.verifyCodebaseIntegrity
.
The HttpmdUtil
class provides utility
methods for computing the message digest of data specified by a URL and
for computing HTTPMD URLs for use in codebases.