com.w20e.socrates.factories.OptionsFactory.java Source code

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Here is the source code for com.w20e.socrates.factories.OptionsFactory.java

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/*
 * 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 2, or (at your option)
 * any later version.
 *
 * You should have received a copy of the GNU General Public License
 * (for example /usr/src/linux/COPYING); if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

package com.w20e.socrates.factories;

import org.apache.commons.digester3.AbstractObjectCreationFactory;
import org.apache.commons.digester3.Digester;
import org.xml.sax.Attributes;

import com.w20e.socrates.rendering.OptionList;
import com.w20e.socrates.rendering.RenderConfig;

/**
 * @author dokter
 * Expression factory to create expressions based on XPath
 */
public class OptionsFactory extends AbstractObjectCreationFactory<OptionList> {

    /**
     * Create a new expression based on the input string, or null if no
     * input string.
     * @param expr String to parse
     * @return the expression created.
     * @throws Exception in case the compiler can't parse.
     */
    public final OptionList createObject(final Attributes attrs) throws Exception {

        Digester dig = this.getDigester();

        RenderConfig rConfig = dig.getRoot();

        return rConfig.getOptionList(attrs.getValue("ref"));
    }

}