/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright (c) 2009 Pentaho Corporation. All rights reserved.
*/
package generators;
import java.io.IOException;
import java.io.PrintWriter;
import java.beans.Introspector;
import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.PropertyDescriptor;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.function.OutputFunction;
import org.pentaho.reporting.libraries.xmlns.writer.XmlWriter;
import org.pentaho.reporting.libraries.xmlns.writer.DefaultTagDescription;
import org.pentaho.reporting.libraries.xmlns.common.AttributeList;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class ExpressionMetaGenerator
{
private static final String META_NAMESPACE = "http://jfreereport.sourceforge.net/namespaces/engine/classic/metadata";
public static void main(String[] args) throws IOException, IntrospectionException
{
ClassicEngineBoot.getInstance().start();
ExpressionQueryTool eqt = new ExpressionQueryTool();
eqt.processDirectory(null);
final Class[] classes = eqt.getExpressions();
final DefaultTagDescription dtd = new DefaultTagDescription();
dtd.addDefaultDefinition(META_NAMESPACE, false);
final XmlWriter writer = new XmlWriter(new PrintWriter(System.out), dtd);
final AttributeList attrList = new AttributeList();
attrList.addNamespaceDeclaration("", META_NAMESPACE);
writer.writeTag(META_NAMESPACE, "meta-data", attrList, XmlWriter.OPEN);
for (int i = 0; i < classes.length; i++)
{
final Class aClass = classes[i];
if (OutputFunction.class.isAssignableFrom(aClass))
{
// Output functions will not be recognized.
continue;
}
if (aClass.getName().indexOf('$') >= 0)
{
// Inner-Classes will not be recognized.
continue;
}
final AttributeList expressionAttrList = new AttributeList();
expressionAttrList.setAttribute(META_NAMESPACE, "class", aClass.getName());
expressionAttrList.setAttribute(META_NAMESPACE, "bundle-name", "org.pentaho.reporting.engine.classic.core.metadata.messages");
expressionAttrList.setAttribute(META_NAMESPACE, "result", "java.lang.Object");
expressionAttrList.setAttribute(META_NAMESPACE, "expert", "false");
expressionAttrList.setAttribute(META_NAMESPACE, "hidden", "false");
expressionAttrList.setAttribute(META_NAMESPACE, "preferred", "false");
writer.writeTag(META_NAMESPACE, "expression", expressionAttrList, XmlWriter.OPEN);
final BeanInfo beanInfo = Introspector.getBeanInfo(aClass);
final PropertyDescriptor[] descriptors = beanInfo.getPropertyDescriptors();
for (int j = 0; j < descriptors.length; j++)
{
final PropertyDescriptor descriptor = descriptors[j];
final String key = descriptor.getName();
if ("runtime".equals(key))
{
continue;
}
if ("active".equals(key))
{
continue;
}
if ("preserve".equals(key))
{
continue;
}
if (descriptor.getReadMethod() == null || descriptor.getWriteMethod() == null)
{
continue;
}
final AttributeList propAttrList = new AttributeList();
propAttrList.setAttribute(META_NAMESPACE, "name", descriptor.getName());
if ("name".equals(key))
{
propAttrList.setAttribute(META_NAMESPACE, "mandatory", "true");
propAttrList.setAttribute(META_NAMESPACE, "preferred", "true");
propAttrList.setAttribute(META_NAMESPACE, "value-role", "Name");
propAttrList.setAttribute(META_NAMESPACE, "expert", "false");
}
else
{
propAttrList.setAttribute(META_NAMESPACE, "mandatory", "false");
propAttrList.setAttribute(META_NAMESPACE, "preferred", "false");
propAttrList.setAttribute(META_NAMESPACE, "value-role", "Value");
if ("dependencyLevel".equals(key))
{
propAttrList.setAttribute(META_NAMESPACE, "expert", "true");
}
else
{
propAttrList.setAttribute(META_NAMESPACE, "expert", "false");
}
}
propAttrList.setAttribute(META_NAMESPACE, "hidden", "false");
writer.writeTag(META_NAMESPACE, "property", propAttrList, XmlWriter.CLOSE);
}
writer.writeCloseTag();
}
writer.writeCloseTag();
writer.flush();
}
}