/** {@inheritDoc} */
public String execute(WikiContext context, Map params) throws PluginException {
//
// First, determine which kind of name we use to store in
// the WikiContext.
//
String countername = (String) params.get(PARAM_NAME);
if (countername == null) {
countername = DEFAULT_NAME;
} else {
countername = DEFAULT_NAME + "-" + countername;
}
//
// Fetch the old value
//
Integer val = (Integer) context.getVariable(countername);
if (val == null) {
val = 0;
}
//
// Check if we need to reset this
//
String start = (String) params.get(PARAM_START);
if (start != null) {
val = Integer.parseInt(start);
} else {
//
// Determine how much to increment
//
Object incrementObj = params.get(PARAM_INCREMENT);
int increment = DEFAULT_INCREMENT;
if (incrementObj != null) {
increment = (new Integer((String) incrementObj)).intValue();
}
val = val + increment;
}
context.setVariable(countername, val);
//
// check if we want to hide the result (just count, don't show result on the page
//
Object showObj = params.get(PARAM_SHOW_RESULT);
boolean show = DEFAULT_SHOW_RESULT;
if (showObj != null) {
show = TextUtil.isPositive((String) showObj);
}
if (show) {
return val.toString();
}
return "";
}
