it.greenvulcano.util.metadata.properties.BeanPropertiesHandler.java Source code

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Here is the source code for it.greenvulcano.util.metadata.properties.BeanPropertiesHandler.java

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/*******************************************************************************
 * Copyright (c) 2009, 2016 GreenVulcano ESB Open Source Project.
 * All rights reserved.
 *
 * This file is part of GreenVulcano ESB.
 *
 * GreenVulcano ESB 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * GreenVulcano ESB 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 GreenVulcano ESB. If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package it.greenvulcano.util.metadata.properties;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Objects;

import org.apache.commons.beanutils.BeanUtils;

import it.greenvulcano.gvesb.buffer.GVBuffer;
import it.greenvulcano.util.metadata.PropertiesHandler;
import it.greenvulcano.util.metadata.PropertiesHandlerException;
import it.greenvulcano.util.metadata.PropertyHandler;

public class BeanPropertiesHandler implements PropertyHandler {

    private final List<String> types = Collections.unmodifiableList(Arrays.asList("#"));

    @Override
    public List<String> getManagedTypes() {
        return types;
    }

    @Override
    public String expand(String type, String str, Map<String, Object> inProperties, Object object, Object extra)
            throws PropertiesHandlerException {
        String propName = str;
        if ("this".equals(propName)) {
            if (object instanceof GVBuffer) {
                object = GVBuffer.class.cast(object).getObject();
            }
            return Objects.nonNull(object) ? object.toString() : "";
        }
        if (!PropertiesHandler.isExpanded(propName)) {
            propName = PropertiesHandler.expand(propName, inProperties, object, extra);
        }

        if (object == null) {
            return "#" + PROP_START + str + PROP_END;
        }

        String value = null;
        try {
            value = BeanUtils.getProperty(object, propName);
        } catch (Exception e) {
            value = "#" + PROP_START + str + PROP_END;
        }

        return value;
    }

}