Spec-Zone .ru
спецификации, руководства, описания, API
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001/* 002 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 004 * 005 * This code is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU General Public License version 2 only, as 007 * published by the Free Software Foundation. Oracle designates this 008 * particular file as subject to the "Classpath" exception as provided 009 * by Oracle in the LICENSE file that accompanied this code. 010 * 011 * This code is distributed in the hope that it will be useful, but WITHOUT 012 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 013 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 014 * version 2 for more details (a copy is included in the LICENSE file that 015 * accompanied this code). 016 * 017 * You should have received a copy of the GNU General Public License version 018 * 2 along with this work; if not, write to the Free Software Foundation, 019 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 020 * 021 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 022 * or visit www.oracle.com if you need additional information or have any 023 * questions. 024 */ 025 026package javafx.util.converter; 027 028import javafx.util.StringConverter; 029 030/** 031 * <p>{@link StringConverter} implementation for {@link Long} 032 * (and long primitive) values.</p> 033 */ 034public class LongStringConverter extends StringConverter<Long> { 035 /** {@inheritDoc} */ 036 @Override public Long fromString(String value) { 037 // If the specified value is null or zero-length, return null 038 if (value == null) { 039 return null; 040 } 041 042 value = value.trim(); 043 044 if (value.length() < 1) { 045 return null; 046 } 047 048 return Long.valueOf(value); 049 } 050 051 /** {@inheritDoc} */ 052 @Override public String toString(Long value) { 053 // If the specified value is null, return a zero-length String 054 if (value == null) { 055 return ""; 056 } 057 058 return Long.toString(((Long)value).longValue()); 059 } 060}