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1: /* ======================================================================== 2: * JCommon : a free general purpose class library for the Java(tm) platform 3: * ======================================================================== 4: * 5: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. 6: * 7: * Project Info: http://www.jfree.org/jcommon/index.html 8: * 9: * This library is free software; you can redistribute it and/or modify it 10: * under the terms of the GNU Lesser General Public License as published by 11: * the Free Software Foundation; either version 2.1 of the License, or 12: * (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but 15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17: * License for more details. 18: * 19: * You should have received a copy of the GNU Lesser General Public 20: * License along with this library; if not, write to the Free Software 21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 22: * USA. 23: * 24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 25: * in the United States and other countries.] 26: * 27: * ---------------------------- 28: * IntegerAttributeHandler.java 29: * ---------------------------- 30: * (C)opyright 2003, 2004, by Thomas Morgner and Contributors. 31: * 32: * Original Author: Thomas Morgner; 33: * Contributor(s): David Gilbert (for Object Refinery Limited); 34: * 35: * $Id: IntegerAttributeHandler.java,v 1.2 2005/10/18 13:30:16 mungady Exp $ 36: * 37: * Changes 38: * ------- 39: * 24.09.2003 : Initial version 40: * 41: */ 42: 43: package org.jfree.xml.attributehandlers; 44: 45: import org.jfree.util.Log; 46: 47: /** 48: * A class that handles the conversion of {@link Integer} attributes to and from an appropriate 49: * {@link String} representation. 50: */ 51: public class IntegerAttributeHandler implements AttributeHandler { 52: 53: /** 54: * Creates a new attribute handler. 55: */ 56: public IntegerAttributeHandler() { 57: super(); 58: } 59: 60: /** 61: * Converts the attribute to a string. 62: * 63: * @param o the attribute ({@link Integer} expected). 64: * 65: * @return A string representing the integer value. 66: */ 67: public String toAttributeValue(final Object o) { 68: try { 69: final Integer in = (Integer) o; 70: return in.toString(); 71: } 72: catch (ClassCastException cce) { 73: if (o != null) { 74: Log.debug("ClassCastException: Expected Integer, found " + o.getClass()); 75: } 76: throw cce; 77: } 78: } 79: 80: /** 81: * Converts a string to a {@link Integer}. 82: * 83: * @param s the string. 84: * 85: * @return a {@link Integer}. 86: */ 87: public Object toPropertyValue(final String s) { 88: return new Integer(s); 89: } 90: }