org.w3c.jigsaw.ssi.servlets
Class ServletCommand
java.lang.Object
|
+--org.w3c.jigsaw.ssi.servlets.ServletCommand
- public class ServletCommand
- extends java.lang.Object
- implements Command
Implementation of the SSI servlet
command.
Servlet can be executed
simply by providing a url path to a servlet class.
Field Summary |
protected static java.util.Hashtable |
wrappers
|
Method Summary |
boolean |
acceptCaching()
return true if reply can be cached. |
protected void |
addParam(java.util.Dictionary d,
java.lang.String name,
java.lang.String param,
java.lang.String value)
|
Reply |
execute(SSIFrame ssiframe,
Request request,
ArrayDictionary parameters,
java.util.Dictionary variables)
Executes this command. |
java.lang.String |
getName()
Returns the name of this command. |
protected java.util.Hashtable |
getParams(java.util.Dictionary d,
java.lang.String name)
|
java.lang.String |
getValue(java.util.Dictionary variables,
java.lang.String var,
Request request)
Returns the (String) value of the given variable. |
protected boolean |
isRemote(java.lang.String code)
|
Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
wrappers
protected static java.util.Hashtable wrappers
ServletCommand
public ServletCommand()
addParam
protected void addParam(java.util.Dictionary d,
java.lang.String name,
java.lang.String param,
java.lang.String value)
getParams
protected java.util.Hashtable getParams(java.util.Dictionary d,
java.lang.String name)
getName
public java.lang.String getName()
- Description copied from interface: Command
- Returns the name of this command. (Case sensitivity is up to
the
lookupCommand
method in the command registry.)
- Specified by:
- getName in interface Command
- Tags copied from interface: Command
- Returns:
- the name of the command
- See Also:
CommandRegistry.lookupCommand(java.lang.String)
getValue
public java.lang.String getValue(java.util.Dictionary variables,
java.lang.String var,
Request request)
- Description copied from interface: Command
- Returns the (String) value of the given variable.
- Specified by:
- getValue in interface Command
- Tags copied from interface: Command
- Returns:
- a String instance.
isRemote
protected boolean isRemote(java.lang.String code)
acceptCaching
public boolean acceptCaching()
- return true if reply can be cached.
- Specified by:
- acceptCaching in interface Command
- Returns:
- a boolean.
execute
public Reply execute(SSIFrame ssiframe,
Request request,
ArrayDictionary parameters,
java.util.Dictionary variables)
- Description copied from interface: Command
- Executes this command. Might modify variables.
Must not modify the parameters.
It may handle conditional requests, except that if
it replies with a status of HTTP.NOT_MODIFIED, it must
still reply with a content (the same content that it would have
returned for an inconditional request). This is because
further SSI commands down the line may decide thay they have
been modified, and then a content must be emitted by SSIFrame.
- Specified by:
- execute in interface Command
- Tags copied from interface: Command
- Parameters:
request
- the original HTTP requestparameters
- The parameters for this commandvariables
- The global variables for the parse- Returns:
- a Reply with the output from the command