| /* |
| * Copyright 2007 Google Inc. |
| * |
| * 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 java.lang; |
| |
| import java.io.Serializable; |
| |
| /** |
| * Wraps native <code>boolean</code> as an object. |
| */ |
| public final class Boolean implements Comparable<Boolean>, Serializable { |
| /* |
| * TODO: figure out how to not clinit this class on direct field access. |
| */ |
| |
| // CHECKSTYLE_OFF: These have to be created somewhere. |
| public static Boolean FALSE = new Boolean(false); |
| public static Boolean TRUE = new Boolean(true); |
| |
| // CHECKSTYLE_ON |
| |
| public static boolean parseBoolean(String s) { |
| return "true".equalsIgnoreCase(s); |
| } |
| |
| public static String toString(boolean x) { |
| return String.valueOf(x); |
| } |
| |
| public static Boolean valueOf(boolean b) { |
| return b ? TRUE : FALSE; |
| } |
| |
| public static Boolean valueOf(String s) { |
| return valueOf(parseBoolean(s)); |
| } |
| |
| private final transient boolean value; |
| |
| public Boolean(boolean value) { |
| this.value = value; |
| } |
| |
| public Boolean(String s) { |
| this(parseBoolean(s)); |
| } |
| |
| public boolean booleanValue() { |
| return value; |
| } |
| |
| public int compareTo(Boolean other) { |
| return (this.value == other.value) ? 0 : (this.value ? 1 : -1); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| return (o instanceof Boolean) && (((Boolean) o).value == value); |
| } |
| |
| @Override |
| public int hashCode() { |
| // The Java API doc defines these magic numbers. |
| return value ? 1231 : 1237; |
| } |
| |
| @Override |
| public String toString() { |
| return value ? "true" : "false"; |
| } |
| } |