public class CopyContentFilter extends java.lang.Object implements Filter
GenericProxyHandler
.
Only files that don't already exist on the local file system are
saved.
Properties:
Constructor and Description |
---|
CopyContentFilter() |
Modifier and Type | Method and Description |
---|---|
byte[] |
filter(Request request,
MimeHeaders headers,
byte[] content)
Grab the contents, and save as a file (if file doesn't already exist).
|
boolean |
init(Server server,
java.lang.String prefix)
Initializes the handler.
|
boolean |
respond(Request request)
This is the request object before the content was fetched
|
boolean |
shouldFilter(Request request,
MimeHeaders headers)
Watch every document that passes by.
|
public boolean init(Server server, java.lang.String prefix)
Handler
init
in interface Handler
server
- The HTTP server that created this Handler
.
Typical Handler
s will use Server.props
to obtain run-time configuration information.prefix
- The handlers name.
The string this Handler
may prepend to all
of the keys that it uses to extract configuration information
from Server.props
. This is set (by the Server
and ChainHandler
) to help avoid configuration parameter
namespace collisions.true
if this Handler
initialized
successfully, false
otherwise. If
false
is returned, this Handler
should not be used.public boolean respond(Request request)
public boolean shouldFilter(Request request, MimeHeaders headers)
shouldFilter
in interface Filter
request
- The in-progress HTTP request.headers
- The MIME headers generated by the wrapped Handler
.true
if this filter would like to examine and
possibly rewrite the content, false
otherwise.public byte[] filter(Request request, MimeHeaders headers, byte[] content)
directoryName
.filter
in interface Filter
request
- The finished HTTP request.headers
- The MIME headers generated by the Handler
.content
- The output from the Handler
that this
Filter
may rewrite.Filter
may return
the original content
unchanged. The
Filter
may return null
to indicate
that the FilterHandler
should stop processing the
request and should not return any content to the client.