java/sql-dk/src/main/java/info/globalcode/sql/dk/configuration/FormatterDefinition.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/java/sql-dk/src/main/java/info/globalcode/sql/dk/configuration/FormatterDefinition.java Mon Mar 04 20:15:24 2019 +0100
@@ -0,0 +1,114 @@
+/**
+ * SQL-DK
+ * Copyright © 2013 František Kučera (frantovo.cz)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package info.globalcode.sql.dk.configuration;
+
+import static info.globalcode.sql.dk.Xmlns.CONFIGURATION;
+import info.globalcode.sql.dk.formatting.Formatter;
+import info.globalcode.sql.dk.formatting.FormatterContext;
+import info.globalcode.sql.dk.formatting.FormatterException;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import javax.xml.bind.annotation.XmlElement;
+
+/**
+ * Configured (but not yet instantiated) formatter.
+ *
+ * @author Ing. František Kučera (frantovo.cz)
+ */
+public class FormatterDefinition implements NameIdentified {
+
+ private String name;
+ private String className;
+ private Properties properties = new Properties();
+
+ public FormatterDefinition() {
+ }
+
+ public FormatterDefinition(String name, String className) {
+ this.name = name;
+ this.className = className;
+ }
+
+ public FormatterDefinition(String name, String className, Properties properties) {
+ this(name, className);
+ this.properties = properties;
+ }
+
+ @XmlElement(name = "name", namespace = CONFIGURATION)
+ @Override
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ /**
+ * Filter's class. Must implement the
+ * <code>info.globalcode.sql.dk.formatting.Formatter</code> interface.
+ * Subclassing the
+ * <code>info.globalcode.sql.dk.formatting.AbstractFormatter</code> is strongly recommended.
+ * The constructor must accept one parameter:
+ * <code>info.globalcode.sql.dk.formatting.FormatterContext</code>
+ *
+ * @return fully qualified class name
+ */
+ @XmlElement(name = "class", namespace = CONFIGURATION)
+ public String getClassName() {
+ return className;
+ }
+
+ public void setClassName(String className) {
+ this.className = className;
+ }
+
+ @XmlElement(name = "property", namespace = CONFIGURATION)
+ public Properties getProperties() {
+ return properties;
+ }
+
+ public void setProperties(Properties properties) {
+ this.properties = properties;
+ }
+
+ /**
+ * @param context
+ * @return
+ * @throws FormatterException
+ */
+ public Formatter getInstance(FormatterContext context) throws FormatterException {
+ context.getProperties().setDefaults(properties);
+ try {
+ Constructor constructor = Class.forName(className).getConstructor(context.getClass());
+
+ Object instance = constructor.newInstance(context);
+ if (instance instanceof Formatter) {
+ return (Formatter) instance;
+ } else {
+ throw new FormatterException("Formatter " + instance + " does not implement the " + Formatter.class.getName() + " interface");
+ }
+ } catch (ClassNotFoundException e) {
+ throw new FormatterException("Formatter class does not exist: " + className, e);
+ } catch (NoSuchMethodException e) {
+ throw new FormatterException("Formatter class with no valid constructor: " + className, e);
+ } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
+ throw new FormatterException("Formatter's constructor caused an error: " + className, e);
+ }
+ }
+}