it.geosolutions.opensdi2.workflow.transform.spel.accessors.MapPropertyAccessor.java Source code

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Here is the source code for it.geosolutions.opensdi2.workflow.transform.spel.accessors.MapPropertyAccessor.java

Source

/*
 *  OpenSDI Manager 2
 *  Copyright (C) 2014 GeoSolutions S.A.S.
 *  http://www.geo-solutions.it
 *
 *  GPLv3 + Classpath exception
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package it.geosolutions.opensdi2.workflow.transform.spel.accessors;

import java.util.Map;

import org.springframework.expression.AccessException;
import org.springframework.expression.EvaluationContext;
import org.springframework.expression.PropertyAccessor;
import org.springframework.expression.TypedValue;

/**
 * Accessor for Map<String,Object>.
 * @author Lorenzo Natali (lorenzo.natali at geo-solutions.it)
 *
 */
public class MapPropertyAccessor implements PropertyAccessor {

    @SuppressWarnings("unchecked")
    @Override
    public void write(EvaluationContext ctx, Object target, String name, Object value) throws AccessException {
        if (target instanceof Map<?, ?>) {
            ((Map<String, Object>) target).put(name, value);
        }
    }

    @Override
    public TypedValue read(EvaluationContext ctx, Object target, String name) throws AccessException {
        if (target instanceof Map) {

            return new TypedValue(((Map<String, Object>) target).get(name));
        }
        return null;
    }

    @Override
    public Class[] getSpecificTargetClasses() {
        return new Class[] { Map.class };
    }

    @Override
    public boolean canWrite(EvaluationContext ctx, Object target, String name) throws AccessException {
        return true;
    }

    @Override
    public boolean canRead(EvaluationContext ctx, Object target, String name) throws AccessException {
        return target instanceof Map;
    }
}