| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| ConversionHelpers |
|
| 3.6666666666666665;3.667 |
| 1 | /* | |
| 2 | * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons-sandbox//xmlio/src/java/org/apache/commons/xmlio/in/ConversionHelpers.java,v 1.1 2004/10/08 11:56:20 ozeigermann Exp $ | |
| 3 | * $Revision: 155476 $ | |
| 4 | * $Date: 2005-02-26 13:31:24 +0000 (Sat, 26 Feb 2005) $ | |
| 5 | * | |
| 6 | * ==================================================================== | |
| 7 | * | |
| 8 | * Copyright 2004 The Apache Software Foundation | |
| 9 | * | |
| 10 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 11 | * you may not use this file except in compliance with the License. | |
| 12 | * You may obtain a copy of the License at | |
| 13 | * | |
| 14 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 15 | * | |
| 16 | * Unless required by applicable law or agreed to in writing, software | |
| 17 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 18 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 19 | * See the License for the specific language governing permissions and | |
| 20 | * limitations under the License. | |
| 21 | * | |
| 22 | */ | |
| 23 | ||
| 24 | package org.apache.commons.xmlio.in; | |
| 25 | ||
| 26 | /** | |
| 27 | * Collection of some simple conversion and fallback methods for convenience. | |
| 28 | * | |
| 29 | */ | |
| 30 | 0 | public class ConversionHelpers { |
| 31 | ||
| 32 | /** Returns <code>value</code> if not null, otherwise <code>fallBack</code>. | |
| 33 | */ | |
| 34 | public static String getString(String value, String fallBack) { | |
| 35 | 0 | if (value == null) |
| 36 | 0 | return fallBack; |
| 37 | 0 | return value; |
| 38 | } | |
| 39 | ||
| 40 | /** Gets int value from a string value. | |
| 41 | * @param value string value to get int from | |
| 42 | * @return int representation of value or <code>-1</code> | |
| 43 | * if it can not be converted to an int | |
| 44 | */ | |
| 45 | public static int getInt(String value) { | |
| 46 | 0 | return getInt(value, -1); |
| 47 | } | |
| 48 | ||
| 49 | /** Gets int value from a string value. | |
| 50 | * @param value string value to get int from | |
| 51 | * @param fallBack fall back value | |
| 52 | * @return int representation of value or <code>fallBack</code> | |
| 53 | * if it can not be converted to an int | |
| 54 | */ | |
| 55 | public static int getInt(String value, int fallBack) { | |
| 56 | 0 | if (value == null) |
| 57 | 0 | return fallBack; |
| 58 | try { | |
| 59 | 0 | return Integer.valueOf(value).intValue(); |
| 60 | 0 | } catch (NumberFormatException nfe) { |
| 61 | 0 | return fallBack; |
| 62 | } | |
| 63 | } | |
| 64 | ||
| 65 | /** Gets long value from a string value. | |
| 66 | * @param value string value to get long from | |
| 67 | * @return long representation of value or <code>-1L</code> | |
| 68 | * if it can not be converted to a long | |
| 69 | */ | |
| 70 | public static long getLong(String value) { | |
| 71 | 0 | return getLong(value, -1L); |
| 72 | } | |
| 73 | ||
| 74 | /** Gets long value from a string value. | |
| 75 | * @param value string value to get long from | |
| 76 | * @param fallBack fall back value | |
| 77 | * @return long representation of value or <code>fallBack</code> | |
| 78 | * if it can not be converted to a long | |
| 79 | */ | |
| 80 | public static long getLong(String value, long fallBack) { | |
| 81 | 0 | if (value == null) |
| 82 | 0 | return fallBack; |
| 83 | try { | |
| 84 | 0 | return Long.valueOf(value).longValue(); |
| 85 | 0 | } catch (NumberFormatException nfe) { |
| 86 | 0 | return fallBack; |
| 87 | } | |
| 88 | } | |
| 89 | ||
| 90 | /** Gets boolean value from a string value. | |
| 91 | * @param value string value to get boolean from | |
| 92 | * @param fallBack fall back value | |
| 93 | * @return boolean representation of value <code>fallBack</code> | |
| 94 | * if it can not <em>properly</em> be converted to a boolean | |
| 95 | */ | |
| 96 | public static boolean getBoolean(String value, boolean fallBack) { | |
| 97 | 0 | if (value == null) |
| 98 | 0 | return fallBack; |
| 99 | // do not use "Boolean.valueOf(" as this returns false on everything | |
| 100 | // but "true" | |
| 101 | 0 | if ("true".equalsIgnoreCase(value)) |
| 102 | 0 | return true; |
| 103 | 0 | if ("false".equalsIgnoreCase(value)) |
| 104 | 0 | return false; |
| 105 | 0 | return fallBack; |
| 106 | } | |
| 107 | } |