org.elasticsearch.common.Booleans Maven / Gradle / Ivy
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch 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.elasticsearch.common;
/**
*
*/
public class Booleans {
public static boolean parseBoolean(char[] text, int offset, int length, boolean defaultValue) {
if (text == null || length == 0) {
return defaultValue;
}
if (length == 1) {
return text[offset] != '0';
}
if (length == 2) {
return !(text[offset] == 'n' && text[offset + 1] == 'o');
}
if (length == 3) {
return !(text[offset] == 'o' && text[offset + 1] == 'f' && text[offset + 2] == 'f');
}
if (length == 5) {
return !(text[offset] == 'f' && text[offset + 1] == 'a' && text[offset + 2] == 'l' && text[offset + 3] == 's' && text[offset + 4] == 'e');
}
return true;
}
public static boolean parseBoolean(String value, boolean defaultValue) {
if (value == null) {
return defaultValue;
}
return !(value.equals("false") || value.equals("0") || value.equals("off") || value.equals("no"));
}
public static Boolean parseBoolean(String value, Boolean defaultValue) {
if (value == null) {
return defaultValue;
}
return !(value.equals("false") || value.equals("0") || value.equals("off") || value.equals("no"));
}
public static boolean isExplicitFalse(String value) {
return (value.equals("false") || value.equals("0") || value.equals("off") || value.equals("no"));
}
public static boolean isExplicitTrue(String value) {
return (value.equals("true") || value.equals("1") || value.equals("on") || value.equals("yes"));
}
}