com.britesnow.snow.web.renderer.less.LessException Maven / Gradle / Ivy

Go to download
package com.britesnow.snow.web.renderer.less;

import java.util.List;

/**
 * For now,code from https://github.com/asual/lesscss-engine/
 *
 * TODO: needs to make LessException a JsException so that we can use it with all JS things.
 *
 * TODO: needs to make it runtime exception as well to match Snow philosophy
 *
 **/
public class LessException extends Exception {

	private static final long serialVersionUID = 662552833197468936L;

	private String errorType;
	private String filename;
	private int line;
	private int column;
	private List extract;

	public LessException() {
		super();
	}

	public LessException(String message) {
		super(message);
	}

	public LessException(String message, Throwable e) {
		super(message, e);
	}

	public LessException(String message, String errorType, String filename, int line, int column, List extract) {
		super(message);
		this.errorType = errorType != null ? errorType : "LESS Error";
		this.filename = filename;
		this.line = line;
		this.column = column;
		this.extract = extract;
	}

	public LessException(Throwable e) {
		super(e);
	}

	@Override
	public String getMessage() {
		if (errorType != null) {
			String msg = String.format("%s: %s \n\tfile: %s \n\tline %s, column %s", errorType, super.getMessage(), filename, line, column);
			if (!(extract == null) && !extract.isEmpty()) {
				msg += "\n\tnear";
				for (String l : extract) {
					msg += "\n\t" + l;
				}
			}
			return msg;
		}

		return super.getMessage();
	}

	/**
	 * Type of error as reported by less.js
	 */
	public String getErrorType() {
		return errorType;
	}

	/**
	 * Filename that error occured in as reported by less.js
	 */
	public String getFilename() {
		return filename;
	}

	/**
	 * Line number where error occurred as reported by less.js or -1 if unknown.
	 */
	public int getLine() {
		return line;
	}

	/**
	 * Column number where error occurred as reported by less.js or -1 if unknown.
	 */
	public int getColumn() {
		return column;
	}

	/**
	 * Lines around error as reported by less.js
	 */
	public List getExtract() {
		return extract;
	}

}