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Library to call DataWeave from Java and execute DW unit tests.

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package de.codecentric.dwcaller.test;

import java.util.Map;

/**
 * Location within a script.
 */
public class Location {
	public static final Location UNKNOWN = new Location();
	private int index;
	private int line;
	private int column;

	private Location() {
		// only for UNKNOWN
	}

	public Location(Map data) {
		index = nullToMinusOone(data.get("index"));
		line = nullToMinusOone(data.get("line"));
		column = nullToMinusOone(data.get("column"));
	}

	private int nullToMinusOone(Object object) {
		if (object instanceof Number) {
			return ((Number) object).intValue() + 1;
		}
		return -1;
	}

	/**
	 * @return Position in file, 1 based.
	 */
	public int getIndex() {
		return index;
	}

	/**
	 * @return Line number, 1 based.
	 */
	public int getLine() {
		return line;
	}

	/**
	 * @return Column number, 1 based.
	 */
	public int getColumn() {
		return column;
	}
}