parallel connection testing: avoid deadlocks – preload drivers + better exception handling and logging
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 static info.globalcode.sql.dk.Xmlns.CONFIGURATION;
21 import info.globalcode.sql.dk.formatting.Formatter;
22 import info.globalcode.sql.dk.formatting.FormatterContext;
23 import info.globalcode.sql.dk.formatting.FormatterException;
24 import java.lang.reflect.Constructor;
25 import java.lang.reflect.InvocationTargetException;
26 import javax.xml.bind.annotation.XmlElement;
29 * Configured (but not yet instantiated) formatter.
31 * @author Ing. František Kučera (frantovo.cz)
33 public class FormatterDefinition implements NameIdentified {
36 private String className;
37 private Properties properties = new Properties();
39 public FormatterDefinition() {
42 public FormatterDefinition(String name, String className) {
44 this.className = className;
47 public FormatterDefinition(String name, String className, Properties properties) {
48 this(name, className);
49 this.properties = properties;
52 @XmlElement(name = "name", namespace = CONFIGURATION)
54 public String getName() {
58 public void setName(String name) {
63 * Filter's class. Must implement the
64 * <code>info.globalcode.sql.dk.formatting.Formatter</code> interface.
66 * <code>info.globalcode.sql.dk.formatting.AbstractFormatter</code> is strongly recommended.
67 * The constructor must accept one parameter:
68 * <code>info.globalcode.sql.dk.formatting.FormatterContext</code>
70 * @return fully qualified class name
72 @XmlElement(name = "class", namespace = CONFIGURATION)
73 public String getClassName() {
77 public void setClassName(String className) {
78 this.className = className;
81 @XmlElement(name = "property", namespace = CONFIGURATION)
82 public Properties getProperties() {
86 public void setProperties(Properties properties) {
87 this.properties = properties;
93 * @throws FormatterException
95 public Formatter getInstance(FormatterContext context) throws FormatterException {
96 context.getProperties().setDefaults(properties);
98 Constructor constructor = Class.forName(className).getConstructor(context.getClass());
100 Object instance = constructor.newInstance(context);
101 if (instance instanceof Formatter) {
102 return (Formatter) instance;
104 throw new FormatterException("Formatter " + instance + " does not implement the " + Formatter.class.getName() + " interface");
106 } catch (ClassNotFoundException e) {
107 throw new FormatterException("Formatter class does not exist: " + className, e);
108 } catch (NoSuchMethodException e) {
109 throw new FormatterException("Formatter class with no valid constructor: " + className, e);
110 } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
111 throw new FormatterException("Formatter's constructor caused an error: " + className, e);