generators.ExpressionDeprecationValidator.java Source code

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Here is the source code for generators.ExpressionDeprecationValidator.java

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/*!
* 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) 2002-2017 Hitachi Vantara..  All rights reserved.
*/

package generators;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.metadata.ExpressionMetaData;
import org.pentaho.reporting.engine.classic.core.metadata.ExpressionRegistry;

import java.io.IOException;
import java.lang.annotation.Annotation;
import java.util.Locale;

public class ExpressionDeprecationValidator {
    private static final Log logger = LogFactory.getLog(ExpressionDeprecationValidator.class);

    public static void main(final String[] args) throws IOException {
        ClassicEngineBoot.getInstance().start();

        final ExpressionRegistry expressionRegistry = ExpressionRegistry.getInstance();
        final ExpressionMetaData[] allExpressions = expressionRegistry.getAllExpressionMetaDatas();
        for (int i = 0; i < allExpressions.length; i++) {
            final ExpressionMetaData expression = allExpressions[i];
            if (expression == null) {
                logger.warn("Null Expression encountered");
                continue;
            }
            if (isDeprecated(expression)) {
                if (expression.isDeprecated() == false) {
                    logger.warn(
                            "Expression code is deprecated, but metadata is not:" + expression.getExpressionType());
                }

                if ("Deprecated Function".equals(expression.getGrouping(Locale.US)) == false) {
                    logger.warn("Expression metadata is not in deprecated group:" + expression.getExpressionType());
                }
            } else {
                if (expression.isDeprecated() == true) {
                    logger.warn(
                            "Expression metadata is deprecated, but code is not:" + expression.getExpressionType());
                }
            }

        }

    }

    private static boolean isDeprecated(final ExpressionMetaData expression) {

        final Class type = expression.getExpressionType();
        final Annotation annotation = type.getAnnotation(Deprecated.class);
        if (annotation != null) {
            return true;
        }
        return false;
    }

}