author | František Kučera <franta-hg@frantovo.cz> |
Sat, 21 Dec 2013 20:38:50 +0100 | |
branch | v_0 |
changeset 26 | 4ec8e5534eb9 |
child 29 | d66858b4b563 |
permissions | -rw-r--r-- |
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/** |
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* SQL-DK |
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* Copyright © 2013 František Kučera (frantovo.cz) |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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package info.globalcode.sql.dk.configuration; |
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|
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import info.globalcode.sql.dk.DKException; |
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import info.globalcode.sql.dk.formatting.Formatter; |
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import info.globalcode.sql.dk.formatting.FormatterContext; |
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import java.lang.reflect.Constructor; |
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import java.lang.reflect.InvocationTargetException; |
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import javax.xml.bind.annotation.XmlElement; |
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import javax.xml.bind.annotation.XmlTransient; |
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|
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/** |
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* |
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* @author Ing. František Kučera (frantovo.cz) |
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*/ |
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public class FormatterDefinition implements NameIdentified { |
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|
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private String name; |
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private String className; |
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|
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@XmlElement(name = "name") |
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@Override |
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public String getName() { |
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return name; |
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} |
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|
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public void setName(String name) { |
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this.name = name; |
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} |
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|
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/** |
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* Filter's class. Must implement the |
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* <code>info.globalcode.sql.dk.formatting.Formatter</code> interface. |
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* Subclassing the |
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* <code>info.globalcode.sql.dk.formatting.AbstractFormatter</code> is strongly recommended. |
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* The constructor must accept one parameter: |
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* <code>info.globalcode.sql.dk.formatting.FormatterContext</code> |
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* |
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* @return fully qualified class name |
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*/ |
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@XmlElement(name = "class") |
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public String getClassName() { |
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return className; |
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} |
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|
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public void setClassName(String className) { |
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this.className = className; |
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} |
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|
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/** |
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* @param context |
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* @return |
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* @throws DKException |
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*/ |
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@XmlTransient |
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public Formatter getInstance(FormatterContext context) throws DKException { |
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try { |
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Constructor constructor = Class.forName(className).getConstructor(context.getClass()); |
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|
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Object instance = constructor.newInstance(context); |
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if (instance instanceof Formatter) { |
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return (Formatter) instance; |
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} else { |
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throw new DKException("Formatter " + instance + " does not implement the " + Formatter.class.getName() + " interface"); |
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} |
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} catch (ClassNotFoundException e) { |
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throw new DKException("No formatter class with name: " + className, e); |
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} catch (NoSuchMethodException e) { |
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throw new DKException("Formatter class with no valid constructor: " + className, e); |
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} catch (InstantiationException | IllegalAccessException | InvocationTargetException e) { |
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throw new DKException("Formatter's constructor caused an error: " + className, e); |
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} |
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} |
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} |