Java tutorial
/* * Copyright 2014 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 com.carlomicieli.jtrains.value.constants; import com.carlomicieli.jtrains.util.EnumUtils; import org.apache.commons.lang.StringUtils; /** * It represents the list of {@code Priority} value. * * @author Carlo Micieli */ public enum Priority { /** * Priority HIGH. */ HIGH(0), /** * Priority NORMAL. */ NORMAL(1), /** * Priority LOW. */ LOW(2); private int value; private Priority(int value) { this.value = value; } /** * Gets the {@code Priority} keyword * * @return the keyword */ public String label() { return EnumUtils.keyFor(this); } /** * Parses the string argument as a {@code Priority}. * * @param s the string to be parsed * @return a {@code Priority} value */ public static Priority parse(String s) { return EnumUtils.parseEnum(Priority.class, s); } /** * Parses the string argument as a {@code Priority}. * * @param str the string to be parsed * @param defaultValue the default {@code Priority} value * @return a {@code Priority} value */ public static Priority parse(String str, Priority defaultValue) { if (StringUtils.isBlank(str)) { return defaultValue; } return EnumUtils.parseEnum(Priority.class, str); } /** * Returns the {@code Priority} value used for ordering. * @return the value */ public int getValue() { return value; } }