TableUtils.java

/*
 * Copyright 2009-2010 the original author or authors.
 *
 * Licensed 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.springframework.batch.admin.web;

import java.util.Map;

public class TableUtils {

	public static void addPagination(Map<String, Object> model, int total,
			int start, int number, String suffix) {
		model.put("total" + suffix + "s", total);
		model.put("start" + suffix, start + 1);
		int end = start + number;
		model.put("end" + suffix, end > total ? total : end);
		if (end < total) {
			model.put("next" + suffix, end);
		}
		if (start > 0) {
			int previous = start - number;
			model.put("previous" + suffix, previous < 0 ? 0 : previous);
		}
	}

}