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/**
 * Copyright (c) 2005-2015 Zauber S.A. 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package ar.com.zauber.commons.spring.configurers;

import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
import org.springframework.core.io.Resource;

/**
 *
 * Clase para configurar por JNDI.
 *
 * Es una clase pensada para que el lookup se haga a partir de archivos con path
 * absoluto que se encuentran configurados via JNDI.
 *
 * @author Martin A. Marquez
 * @since Jul 18, 2007
 */
public class JndiPropertyPlaceholderConfigurer extends
        PropertyPlaceholderConfigurer {
    
    /** constructor default */
    public JndiPropertyPlaceholderConfigurer() {
        super();
    }

    private String[] filePathJndiNames;
    /** @parm filep filePathJndiNames arreglo de path jnis */
    public JndiPropertyPlaceholderConfigurer(final String[] filePathJndiNames) {
        super();
        this.filePathJndiNames = filePathJndiNames;
    }

    /** @see PropertiesLoaderSupport#setLocation(Resource) */
    @Override
    public final void setLocation(final Resource location) {
        this.setLocations(new Resource[] {location });
    }

    /** @see PropertiesLoaderSupport#setLocations(Resource[]) */
    @Override
    public final void setLocations(final Resource[] someLocations) {
        Resource[] locations = null;

        if (filePathJndiNames != null && filePathJndiNames.length > 0) {
            locations = JndiInitialContextHelper
                    .getJndiLocations(filePathJndiNames);
        }

        if (locations == null) {
            locations = someLocations;
        }

        super.setLocations(locations);
    }
}