001: /***************************************************************
002: * This file is part of the [fleXive](R) project.
003: *
004: * Copyright (c) 1999-2008
005: * UCS - unique computing solutions gmbh (http://www.ucs.at)
006: * All rights reserved
007: *
008: * The [fleXive](R) project is free software; you can redistribute
009: * it and/or modify it under the terms of the GNU General Public
010: * License as published by the Free Software Foundation;
011: * either version 2 of the License, or (at your option) any
012: * later version.
013: *
014: * The GNU General Public License can be found at
015: * http://www.gnu.org/copyleft/gpl.html.
016: * A copy is found in the textfile GPL.txt and important notices to the
017: * license from the author are found in LICENSE.txt distributed with
018: * these libraries.
019: *
020: * This library is distributed in the hope that it will be useful,
021: * but WITHOUT ANY WARRANTY; without even the implied warranty of
022: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
023: * GNU General Public License for more details.
024: *
025: * For further information about UCS - unique computing solutions gmbh,
026: * please see the company website: http://www.ucs.at
027: *
028: * For further information about [fleXive](R), please see the
029: * project website: http://www.flexive.org
030: *
031: *
032: * This copyright notice MUST APPEAR in all copies of the file!
033: ***************************************************************/package com.flexive.shared.value;
034:
035: import com.flexive.shared.FxFormatUtils;
036: import com.flexive.shared.exceptions.FxConversionException;
037:
038: import java.text.DateFormat;
039: import java.text.SimpleDateFormat;
040: import java.util.Date;
041:
042: /**
043: * Convert Strings to the data types used in FxValue
044: *
045: * @author Markus Plesser (markus.plesser@flexive.com), UCS - unique computing solutions gmbh (http://www.ucs.at)
046: */
047: public class FxValueConverter {
048:
049: /**
050: * Convert a String to Boolean
051: *
052: * @param value value to convert
053: * @return Boolean
054: */
055: public static Boolean toBoolean(String value) {
056: try {
057: value = FxFormatUtils.unquote(value);
058: return Boolean.parseBoolean(value) || "1".equals(value);
059: } catch (Exception e) {
060: throw new FxConversionException(e, "ex.conversion.error",
061: FxBoolean.class.getCanonicalName(), value, e
062: .getMessage()).asRuntimeException();
063: }
064: }
065:
066: /**
067: * Convert a String to Integer
068: *
069: * @param value value to convert
070: * @return Integer
071: */
072: public static Integer toInteger(String value) {
073: try {
074: return Integer.parseInt(FxFormatUtils.unquote(value));
075: } catch (Exception e) {
076: throw new FxConversionException(e, "ex.conversion.error",
077: FxNumber.class.getCanonicalName(), value, e
078: .getMessage()).asRuntimeException();
079: }
080: }
081:
082: /**
083: * Convert a String to Long
084: *
085: * @param value value to convert
086: * @return Long
087: */
088: public static Long toLong(String value) {
089: try {
090: return Long.parseLong(FxFormatUtils.unquote(value));
091: } catch (Exception e) {
092: throw new FxConversionException(e, "ex.conversion.error",
093: FxLargeNumber.class.getCanonicalName(), value, e
094: .getMessage()).asRuntimeException();
095: }
096: }
097:
098: /**
099: * Convert a String to Double
100: *
101: * @param value value to convert
102: * @return Double
103: */
104: public static Double toDouble(String value) {
105: try {
106: return Double.parseDouble(FxFormatUtils.unquote(value));
107: } catch (Exception e) {
108: throw new FxConversionException(e, "ex.conversion.error",
109: FxDouble.class.getCanonicalName(), value, e
110: .getMessage()).asRuntimeException();
111: }
112: }
113:
114: /**
115: * Convert a String to Float
116: *
117: * @param value value to convert
118: * @return Float
119: */
120: public static Float toFloat(String value) {
121: try {
122: return Float.parseFloat(FxFormatUtils.unquote(value));
123: } catch (Exception e) {
124: throw new FxConversionException(e, "ex.conversion.error",
125: FxFloat.class.getCanonicalName(), value, e
126: .getMessage()).asRuntimeException();
127: }
128: }
129:
130: /**
131: * Convert a String to Date
132: *
133: * @param value value to convert
134: * @return Date
135: */
136: public static Date toDate(String value) {
137: try {
138: //TODO: use a better date parser
139: return FxFormatUtils.getDateFormat().parse(
140: FxFormatUtils.unquote(value));
141: } catch (Exception e) {
142: throw new FxConversionException(e, "ex.conversion.error",
143: FxDate.class.getCanonicalName(), value, e
144: .getMessage()).asRuntimeException();
145: }
146: }
147:
148: /**
149: * Convert a String to DateTime
150: *
151: * @param value value to convert
152: * @return Date
153: */
154: public static Date toDateTime(String value) {
155: try {
156: //TODO: use a better date parser
157: return FxFormatUtils.getDateTimeFormat().parse(
158: FxFormatUtils.unquote(value));
159: } catch (Exception e) {
160: throw new FxConversionException(e, "ex.conversion.error",
161: FxDate.class.getCanonicalName(), value, e
162: .getMessage()).asRuntimeException();
163: }
164: }
165: }
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