org.w3c.jigsaw.ssi.commands
Class CounterCommand
java.lang.Object
|
+--org.w3c.jigsaw.ssi.commands.CounterCommand
- public class CounterCommand
- extends java.lang.Object
- implements Command
Implementation of the SSI counter
command.
Used to do things like cpt = cpt + 1.
Method Summary |
boolean |
acceptCaching()
return true if reply can be cached. |
protected void |
changeCounterValue(java.util.Dictionary d,
java.lang.String name,
java.lang.String incr)
|
Reply |
execute(SSIFrame ssiframe,
Request request,
ArrayDictionary parameters,
java.util.Dictionary variables)
Executes this command. |
protected int |
getCounterValue(java.util.Dictionary d,
java.lang.String name)
|
java.lang.String |
getName()
Returns the name of this command. |
java.lang.String |
getValue(java.util.Dictionary variables,
java.lang.String var,
Request request)
Returns the (String) value of the given variable. |
protected void |
initCounterValue(java.util.Dictionary d,
java.lang.String name,
java.lang.String value)
|
Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
defaultinit
protected final int defaultinit
CounterCommand
public CounterCommand()
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.
initCounterValue
protected void initCounterValue(java.util.Dictionary d,
java.lang.String name,
java.lang.String value)
changeCounterValue
protected void changeCounterValue(java.util.Dictionary d,
java.lang.String name,
java.lang.String incr)
getCounterValue
protected int getCounterValue(java.util.Dictionary d,
java.lang.String name)
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