1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/java/sql-dk/src/info/globalcode/sql/dk/configuration/FormatterDefinition.java	Sat Dec 21 20:38:50 2013 +0100
     1.3 @@ -0,0 +1,90 @@
     1.4 +/**
     1.5 + * SQL-DK
     1.6 + * Copyright © 2013 František Kučera (frantovo.cz)
     1.7 + *
     1.8 + * This program is free software: you can redistribute it and/or modify
     1.9 + * it under the terms of the GNU General Public License as published by
    1.10 + * the Free Software Foundation, either version 3 of the License, or
    1.11 + * (at your option) any later version.
    1.12 + *
    1.13 + * This program is distributed in the hope that it will be useful,
    1.14 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.15 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    1.16 + * GNU General Public License for more details.
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License
    1.19 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
    1.20 + */
    1.21 +package info.globalcode.sql.dk.configuration;
    1.22 +
    1.23 +import info.globalcode.sql.dk.DKException;
    1.24 +import info.globalcode.sql.dk.formatting.Formatter;
    1.25 +import info.globalcode.sql.dk.formatting.FormatterContext;
    1.26 +import java.lang.reflect.Constructor;
    1.27 +import java.lang.reflect.InvocationTargetException;
    1.28 +import javax.xml.bind.annotation.XmlElement;
    1.29 +import javax.xml.bind.annotation.XmlTransient;
    1.30 +
    1.31 +/**
    1.32 + *
    1.33 + * @author Ing. František Kučera (frantovo.cz)
    1.34 + */
    1.35 +public class FormatterDefinition implements NameIdentified {
    1.36 +
    1.37 +	private String name;
    1.38 +	private String className;
    1.39 +
    1.40 +	@XmlElement(name = "name")
    1.41 +	@Override
    1.42 +	public String getName() {
    1.43 +		return name;
    1.44 +	}
    1.45 +
    1.46 +	public void setName(String name) {
    1.47 +		this.name = name;
    1.48 +	}
    1.49 +
    1.50 +	/**
    1.51 +	 * Filter's class. Must implement the
    1.52 +	 * <code>info.globalcode.sql.dk.formatting.Formatter</code> interface.
    1.53 +	 * Subclassing the
    1.54 +	 * <code>info.globalcode.sql.dk.formatting.AbstractFormatter</code> is strongly recommended.
    1.55 +	 * The constructor must accept one parameter:
    1.56 +	 * <code>info.globalcode.sql.dk.formatting.FormatterContext</code>
    1.57 +	 *
    1.58 +	 * @return fully qualified class name
    1.59 +	 */
    1.60 +	@XmlElement(name = "class")
    1.61 +	public String getClassName() {
    1.62 +		return className;
    1.63 +	}
    1.64 +
    1.65 +	public void setClassName(String className) {
    1.66 +		this.className = className;
    1.67 +	}
    1.68 +
    1.69 +	/**
    1.70 +	 * @param context
    1.71 +	 * @return
    1.72 +	 * @throws DKException
    1.73 +	 */
    1.74 +	@XmlTransient
    1.75 +	public Formatter getInstance(FormatterContext context) throws DKException {
    1.76 +		try {
    1.77 +			Constructor constructor = Class.forName(className).getConstructor(context.getClass());
    1.78 +
    1.79 +			Object instance = constructor.newInstance(context);
    1.80 +			if (instance instanceof Formatter) {
    1.81 +				return (Formatter) instance;
    1.82 +			} else {
    1.83 +				throw new DKException("Formatter " + instance + " does not implement the " + Formatter.class.getName() + " interface");
    1.84 +			}
    1.85 +		} catch (ClassNotFoundException e) {
    1.86 +			throw new DKException("No formatter class with name: " + className, e);
    1.87 +		} catch (NoSuchMethodException e) {
    1.88 +			throw new DKException("Formatter class with no valid constructor: " + className, e);
    1.89 +		} catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
    1.90 +			throw new DKException("Formatter's constructor caused an error: " + className, e);
    1.91 +		}
    1.92 +	}
    1.93 +}