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This small project realizes a tool to set the attributes of classes and objects.

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package org.fuchss.configuration.parser;

import org.fuchss.configuration.Configurable;

import java.lang.reflect.Array;
import java.lang.reflect.Field;

/**
 * This class realizes a Parser which can parse any type of Array (if the array
 * elements have a {@link Parser}).
 *
 * @author Dominik Fuchss
 */
public final class ArrayParser {
	/**
	 * Parse the definition to the specific class.
	 *
	 * @param obj           the configurable Object or {@code null} if static setting
	 *                      (class attributes)
	 * @param field         the current field
	 * @param definition    the String definition
	 * @param path          the recursive path to this element (field). For TopLevel: Use
	 *                      {@code new String[0]}
	 * @param contentParser the parser of the elements of the array
	 * @return {@code true} if successful, {@code false} otherwise
	 * @throws Exception will thrown by any error while parsing if no {@code false}
	 *                   can be returned
	 */
	public boolean parse(Configurable obj, Field field, String definition, String[] path, Parser contentParser) throws Exception {
		if (field == null || definition == null || path == null || contentParser == null) {
			return false;
		}
		if (path.length > Parser.MAX_DEPTH) {
			Parser.LOGGER.error("MAX_DEPTH reached. Parsing aborted.");
			return false;
		}
		if (!field.getType().isArray()) {
			Parser.LOGGER.error(field + " is no array");
			return false;
		}
		String[] defs = definition.split(";");
		Object[] array = (Object[]) Array.newInstance(field.getType().getComponentType(), defs.length);
		for (int i = 0; i < defs.length; i++) {
			array[i] = contentParser.parse(defs[i], path);
		}

		field.set(obj, array);
		return true;
	}
}