|
Struts example source code file (IteratorStatus.java)
The Struts IteratorStatus.java source code/* * $Id: IteratorStatus.java 768855 2009-04-27 02:09:35Z wesw $ * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.struts2.views.jsp; /** * The iterator tag can export an IteratorStatus object so that * one can get information about the status of the iteration, such as: * <ul> * <li>index: current iteration index, starts on 0 and increments in one on every iteration * <li>count: iterations so far, starts on 1. count is always index + 1 * <li>first: true if index == 0 * <li>even: true if (index + 1) % 2 == 0 * <li>last: true if current iteration is the last iteration * <li>odd: true if (index + 1) % 2 == 1 * </ul> * <p>Example * <pre> * <s:iterator status="status" value='%{0, 1}'> * Index: <s:property value="%{#status.index}" /> <br /> * Count: <s:property value="%{#status.count}" /> <br /> * </s:iterator> * </pre> * * <p>will print * <pre> * Index: 0 * Count: 1 * Index: 1 * Count: 2 * </pre> */ public class IteratorStatus { protected StatusState state; public IteratorStatus(StatusState aState) { state = aState; } public int getCount() { return state.index + 1; } public boolean isEven() { return ((state.index + 1) % 2) == 0; } public boolean isFirst() { return state.index == 0; } public int getIndex() { return state.index; } public boolean isLast() { return state.last; } public boolean isOdd() { return ((state.index + 1) % 2) != 0; } public int modulus(int operand) { return (state.index + 1) % operand; } public static class StatusState { boolean last = false; int index = 0; public void setLast(boolean isLast) { last = isLast; } public void next() { index++; } } } Other Struts examples (source code examples)Here is a short list of links related to this Struts IteratorStatus.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.