001/* 002 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved. 003 * 004 * This software is open source. 005 * See the bottom of this file for the licence. 006 * 007 * $Id: XMLTableColumnDefinition.java,v 1.1 2001/12/14 11:32:09 jstrachan Exp $ 008 */ 009 010package org.dom4j.swing; 011 012import java.io.Serializable; 013 014import org.dom4j.DocumentHelper; 015import org.dom4j.Node; 016import org.dom4j.XPath; 017 018/** <p><code>XMLTableColumnDefinition</code> a column 019 * within a table definition.</p> 020 * 021 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> 022 * @version $Revision: 1.1 $ 023 */ 024public class XMLTableColumnDefinition implements Serializable { 025 026 public static final int OBJECT_TYPE = 0; 027 public static final int STRING_TYPE = 1; 028 public static final int NUMBER_TYPE = 2; 029 public static final int NODE_TYPE = 3; 030 031 /** Holds value of property type. */ 032 private int type; 033 034 /** Holds value of property name. */ 035 private String name; 036 037 /** Holds value of property xpath. */ 038 private XPath xpath; 039 040 public static int parseType(String typeName) { 041 if ( typeName != null && typeName.length() > 0 ) { 042 if ( typeName.equals( "string" ) ) { 043 return STRING_TYPE; 044 } 045 else if ( typeName.equals( "number" ) ) { 046 return NUMBER_TYPE; 047 } 048 else if ( typeName.equals( "node" ) ) { 049 return NODE_TYPE; 050 } 051 } 052 return OBJECT_TYPE; 053 } 054 055 public XMLTableColumnDefinition() { 056 } 057 058 public XMLTableColumnDefinition(String name, String expression, int type) { 059 this.name = name; 060 this.type = type; 061 this.xpath = createXPath(expression); 062 } 063 064 public XMLTableColumnDefinition(String name, XPath xpath, int type) { 065 this.name = name; 066 this.xpath = xpath; 067 this.type = type; 068 } 069 070 071 public Class getColumnClass() { 072 switch (type) { 073 case STRING_TYPE: 074 return String.class; 075 case NUMBER_TYPE: 076 return Number.class; 077 case NODE_TYPE: 078 return Node.class; 079 default: 080 return Object.class; 081 } 082 } 083 084 public Object getValue(Object row) { 085 switch (type) { 086 case STRING_TYPE: 087 return xpath.valueOf( row ); 088 case NUMBER_TYPE: 089 return xpath.numberValueOf( row ); 090 case NODE_TYPE: 091 return xpath.selectSingleNode( row ); 092 default: 093 return xpath.evaluate( row ); 094 } 095 } 096 097 // Properties 098 //------------------------------------------------------------------------- 099 100 /** Getter for property type. 101 * @return Value of property type. 102 */ 103 public int getType() { 104 return type; 105 } 106 107 /** Setter for property type. 108 * @param type New value of property type. 109 */ 110 public void setType(int type) { 111 this.type = type; 112 } 113 114 /** Getter for property name. 115 * @return Value of property name. 116 */ 117 public String getName() { 118 return name; 119 } 120 121 /** Setter for property name. 122 * @param name New value of property name. 123 */ 124 public void setName(String name) { 125 this.name = name; 126 } 127 128 /** Getter for property xpath. 129 * @return Value of property xpath. 130 */ 131 public XPath getXPath() { 132 return xpath; 133 } 134 135 /** Setter for property xpath. 136 * @param xpath New value of property xpath. 137 */ 138 public void setXPath(XPath xpath) { 139 this.xpath = xpath; 140 } 141 142 // Implementation methods 143 //------------------------------------------------------------------------- 144 protected XPath createXPath(String expression) { 145 return DocumentHelper.createXPath(expression); 146 } 147 148 protected void handleException(Exception e) { 149 // #### should use jakarta commons-logging 150 System.out.println( "Caught: " + e ); 151 } 152} 153 154 155 156 157/* 158 * Redistribution and use of this software and associated documentation 159 * ("Software"), with or without modification, are permitted provided 160 * that the following conditions are met: 161 * 162 * 1. Redistributions of source code must retain copyright 163 * statements and notices. Redistributions must also contain a 164 * copy of this document. 165 * 166 * 2. Redistributions in binary form must reproduce the 167 * above copyright notice, this list of conditions and the 168 * following disclaimer in the documentation and/or other 169 * materials provided with the distribution. 170 * 171 * 3. The name "DOM4J" must not be used to endorse or promote 172 * products derived from this Software without prior written 173 * permission of MetaStuff, Ltd. For written permission, 174 * please contact dom4j-info@metastuff.com. 175 * 176 * 4. Products derived from this Software may not be called "DOM4J" 177 * nor may "DOM4J" appear in their names without prior written 178 * permission of MetaStuff, Ltd. DOM4J is a registered 179 * trademark of MetaStuff, Ltd. 180 * 181 * 5. Due credit should be given to the DOM4J Project 182 * (http://dom4j.org/). 183 * 184 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS 185 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 186 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 187 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 188 * METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 189 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 190 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 191 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 192 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 193 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 194 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 195 * OF THE POSSIBILITY OF SUCH DAMAGE. 196 * 197 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved. 198 * 199 * $Id: XMLTableColumnDefinition.java,v 1.1 2001/12/14 11:32:09 jstrachan Exp $ 200 */