org.bonitasoft.engine.expression.impl.InputExpressionExecutorStrategy Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of bonita-server Show documentation
The newest version!
/**
 * Copyright (C) 2019 Bonitasoft S.A.
 * Bonitasoft, 32 rue Gustave Eiffel - 38000 Grenoble
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation
 * version 2.1 of the License.
 * This library 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.
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA 02110-1301, USA.
 **/
package org.bonitasoft.engine.expression.impl;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.bonitasoft.engine.expression.ContainerState;
import org.bonitasoft.engine.expression.NonEmptyContentExpressionExecutorStrategy;
import org.bonitasoft.engine.expression.exception.SExpressionEvaluationException;
import org.bonitasoft.engine.expression.model.ExpressionKind;
import org.bonitasoft.engine.expression.model.SExpression;

/**
 * @author Zhao na
 * @author Emmanuel Duchastenier
 * @author Matthieu Chaffotte
 * @author Celine Souchet
 */
public class InputExpressionExecutorStrategy extends NonEmptyContentExpressionExecutorStrategy {

    @Override
    public Object evaluate(final SExpression expression, final Map context,
            final Map resolvedExpressions,
            final ContainerState containerState) throws SExpressionEvaluationException {
        if (context != null && !context.isEmpty()) {
            final String key = expression.getContent();
            if (context.containsKey(key)) {
                return context.get(key);
            }
        }
        throw new SExpressionEvaluationException(
                "No value found for mandatory expression '" + expression.getContent() + "' of type Input Expression",
                expression.getName());
    }

    @Override
    public ExpressionKind getExpressionKind() {
        return KIND_INPUT;
    }

    @Override
    public List