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org.apache.struts2.util
public class: Counter [javadoc | source]

java.lang.Object
   org.apache.struts2.util.Counter

All Implemented Interfaces:
    Iterator, Serializable

A bean that can be used to keep track of a counter.

Since it is an Iterator it can be used by the iterator tag

Field Summary
boolean	wrap
long	first
long	current
long	interval
long	last

Method from org.apache.struts2.util.Counter Summary:
getCurrent,   getFirst,   getInterval,   getLast,   getNext,   getPrevious,   hasNext,   isWrap,   next,   remove,   setAdd,   setCurrent,   setFirst,   setInterval,   setLast,   setWrap

Methods from java.lang.Object:
equals,   getClass,   hashCode,   notify,   notifyAll,   toString,   wait,   wait,   wait

Method from org.apache.struts2.util.Counter Detail:
public long getCurrent() { return current; }
public long getFirst() { return first; }
public long getInterval() { return interval; }
public long getLast() { return last; }
public long getNext() { long next = current; current += interval; if (wrap && (current > last)) { current -= ((1 + last) - first); } return next; }
public long getPrevious() { current -= interval; if (wrap && (current < first)) { current += (last - first + 1); } return current; }
public boolean hasNext() { return ((last == -1) || wrap) ? true : (current < = last); }
public boolean isWrap() { return wrap; }
public Object next() { return new Long(getNext()); }
public void remove() { // Do nothing }
public void setAdd(long addition) { current += addition; }
public void setCurrent(long current) { this.current = current; }
public void setFirst(long first) { this.first = first; current = first; }
public void setInterval(long interval) { this.interval = interval; }
public void setLast(long last) { this.last = last; }
public void setWrap(boolean wrap) { this.wrap = wrap; }