3 * Copyright © 2013 František Kučera (frantovo.cz)
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package info.globalcode.sql.dk.configuration;
20 import info.globalcode.sql.dk.DKException;
21 import info.globalcode.sql.dk.formatting.Formatter;
22 import info.globalcode.sql.dk.formatting.FormatterContext;
23 import java.lang.reflect.Constructor;
24 import java.lang.reflect.InvocationTargetException;
25 import javax.xml.bind.annotation.XmlElement;
26 import javax.xml.bind.annotation.XmlTransient;
30 * @author Ing. František Kučera (frantovo.cz)
32 public class FormatterDefinition implements NameIdentified {
35 private String className;
37 @XmlElement(name = "name")
39 public String getName() {
43 public void setName(String name) {
48 * Filter's class. Must implement the
49 * <code>info.globalcode.sql.dk.formatting.Formatter</code> interface.
51 * <code>info.globalcode.sql.dk.formatting.AbstractFormatter</code> is strongly recommended.
52 * The constructor must accept one parameter:
53 * <code>info.globalcode.sql.dk.formatting.FormatterContext</code>
55 * @return fully qualified class name
57 @XmlElement(name = "class")
58 public String getClassName() {
62 public void setClassName(String className) {
63 this.className = className;
72 public Formatter getInstance(FormatterContext context) throws DKException {
74 Constructor constructor = Class.forName(className).getConstructor(context.getClass());
76 Object instance = constructor.newInstance(context);
77 if (instance instanceof Formatter) {
78 return (Formatter) instance;
80 throw new DKException("Formatter " + instance + " does not implement the " + Formatter.class.getName() + " interface");
82 } catch (ClassNotFoundException e) {
83 throw new DKException("No formatter class with name: " + className, e);
84 } catch (NoSuchMethodException e) {
85 throw new DKException("Formatter class with no valid constructor: " + className, e);
86 } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
87 throw new DKException("Formatter's constructor caused an error: " + className, e);