franta-hg@26: /**
franta-hg@26: * SQL-DK
franta-hg@26: * Copyright © 2013 František Kučera (frantovo.cz)
franta-hg@26: *
franta-hg@26: * This program is free software: you can redistribute it and/or modify
franta-hg@26: * it under the terms of the GNU General Public License as published by
franta-hg@26: * the Free Software Foundation, either version 3 of the License, or
franta-hg@26: * (at your option) any later version.
franta-hg@26: *
franta-hg@26: * This program is distributed in the hope that it will be useful,
franta-hg@26: * but WITHOUT ANY WARRANTY; without even the implied warranty of
franta-hg@26: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
franta-hg@26: * GNU General Public License for more details.
franta-hg@26: *
franta-hg@26: * You should have received a copy of the GNU General Public License
franta-hg@26: * along with this program. If not, see .
franta-hg@26: */
franta-hg@26: package info.globalcode.sql.dk.configuration;
franta-hg@26:
franta-hg@30: import static info.globalcode.sql.dk.Xmlns.CONFIGURATION;
franta-hg@26: import info.globalcode.sql.dk.formatting.Formatter;
franta-hg@26: import info.globalcode.sql.dk.formatting.FormatterContext;
franta-hg@34: import info.globalcode.sql.dk.formatting.FormatterException;
franta-hg@26: import java.lang.reflect.Constructor;
franta-hg@26: import java.lang.reflect.InvocationTargetException;
franta-hg@26: import javax.xml.bind.annotation.XmlElement;
franta-hg@26:
franta-hg@26: /**
franta-hg@155: * Configured (but not yet instantiated) formatter.
franta-hg@26: *
franta-hg@26: * @author Ing. František Kučera (frantovo.cz)
franta-hg@26: */
franta-hg@26: public class FormatterDefinition implements NameIdentified {
franta-hg@26:
franta-hg@26: private String name;
franta-hg@26: private String className;
franta-hg@104: private Properties properties = new Properties();
franta-hg@26:
franta-hg@29: public FormatterDefinition() {
franta-hg@29: }
franta-hg@29:
franta-hg@29: public FormatterDefinition(String name, String className) {
franta-hg@29: this.name = name;
franta-hg@29: this.className = className;
franta-hg@29: }
franta-hg@29:
franta-hg@104: public FormatterDefinition(String name, String className, Properties properties) {
franta-hg@104: this(name, className);
franta-hg@104: this.properties = properties;
franta-hg@104: }
franta-hg@104:
franta-hg@30: @XmlElement(name = "name", namespace = CONFIGURATION)
franta-hg@26: @Override
franta-hg@26: public String getName() {
franta-hg@26: return name;
franta-hg@26: }
franta-hg@26:
franta-hg@26: public void setName(String name) {
franta-hg@26: this.name = name;
franta-hg@26: }
franta-hg@26:
franta-hg@26: /**
franta-hg@26: * Filter's class. Must implement the
franta-hg@26: * info.globalcode.sql.dk.formatting.Formatter
interface.
franta-hg@26: * Subclassing the
franta-hg@26: * info.globalcode.sql.dk.formatting.AbstractFormatter
is strongly recommended.
franta-hg@26: * The constructor must accept one parameter:
franta-hg@26: * info.globalcode.sql.dk.formatting.FormatterContext
franta-hg@26: *
franta-hg@26: * @return fully qualified class name
franta-hg@26: */
franta-hg@30: @XmlElement(name = "class", namespace = CONFIGURATION)
franta-hg@26: public String getClassName() {
franta-hg@26: return className;
franta-hg@26: }
franta-hg@26:
franta-hg@26: public void setClassName(String className) {
franta-hg@26: this.className = className;
franta-hg@26: }
franta-hg@26:
franta-hg@104: @XmlElement(name = "property", namespace = CONFIGURATION)
franta-hg@104: public Properties getProperties() {
franta-hg@104: return properties;
franta-hg@104: }
franta-hg@104:
franta-hg@104: public void setProperties(Properties properties) {
franta-hg@104: this.properties = properties;
franta-hg@104: }
franta-hg@104:
franta-hg@26: /**
franta-hg@26: * @param context
franta-hg@26: * @return
franta-hg@188: * @throws FormatterException
franta-hg@26: */
franta-hg@34: public Formatter getInstance(FormatterContext context) throws FormatterException {
franta-hg@104: context.getProperties().setDefaults(properties);
franta-hg@26: try {
franta-hg@26: Constructor constructor = Class.forName(className).getConstructor(context.getClass());
franta-hg@26:
franta-hg@26: Object instance = constructor.newInstance(context);
franta-hg@26: if (instance instanceof Formatter) {
franta-hg@26: return (Formatter) instance;
franta-hg@26: } else {
franta-hg@34: throw new FormatterException("Formatter " + instance + " does not implement the " + Formatter.class.getName() + " interface");
franta-hg@26: }
franta-hg@26: } catch (ClassNotFoundException e) {
franta-hg@160: throw new FormatterException("Formatter class does not exist: " + className, e);
franta-hg@26: } catch (NoSuchMethodException e) {
franta-hg@34: throw new FormatterException("Formatter class with no valid constructor: " + className, e);
franta-hg@26: } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
franta-hg@34: throw new FormatterException("Formatter's constructor caused an error: " + className, e);
franta-hg@26: }
franta-hg@26: }
franta-hg@26: }