package org.apache.cocoon.components.flow.javascript;
import org.mozilla.javascript.ErrorReporter;
import org.mozilla.javascript.EvaluatorException;
import org.mozilla.javascript.tools.ToolErrorReporter;
import org.apache.avalon.framework.logger.Logger;
/**
* Implements a Rhino JavaScript {@link
* org.mozilla.javascript.ErrorReporter}.
* Like ToolErrorReporter but logs to supplied logger instead of stdout
*
* @version CVS $Id: JSErrorReporter.java,v 1.5 2003/03/17 00:38:39 coliver Exp $
*/
public class JSErrorReporter implements ErrorReporter
{
private Logger logger;
public JSErrorReporter(Logger logger)
{
this.logger = logger;
}
public void error(String message,
String sourceName, int line,
String lineSrc, int column)
{
String errMsg = getErrorMessage("msg.error", message,
sourceName, line, lineSrc, column);
System.err.println(errMsg);
logger.error(errMsg);
}
public void warning(String message, String sourceName, int line,
String lineSrc, int column)
{
String errMsg = getErrorMessage("msg.warning", message,
sourceName, line, lineSrc, column);
System.err.println(errMsg);
logger.warn(errMsg);
}
public EvaluatorException runtimeError(String message, String sourceName,
int line, String lineSrc,
int column)
{
String errMsg = getErrorMessage("msg.error", message,
sourceName, line,
lineSrc, column);
System.err.println(errMsg);
return new EvaluatorException(errMsg);
}
/**
* Formats error message
*
* @param type a <code>String</code> value, indicating the error
* type (error or warning)
* @param message a <code>String</code> value, the error or warning
* message
* @param line an <code>int</code> value, the original cummulative
* line number
* @param lineSource a <code>String</code> value, the text of the
* line in the file
* @param column an <code>int</code> value, the column in
* <code>lineSource</code> where the error appeared
* @return a <code>String</code> value, the aggregated error
* message, with the source file and line number adjusted to the
* real values
*/
String getErrorMessage(String type,
String message,
String sourceName, int line,
String lineSource, int column)
{
if (line > 0) {
if (sourceName != null) {
Object[] errArgs = { sourceName, new Integer(line), message };
return ToolErrorReporter.getMessage("msg.format3", errArgs);
} else {
Object[] errArgs = { new Integer(line), message };
return ToolErrorReporter.getMessage("msg.format2", errArgs);
}
} else {
Object[] errArgs = { message };
return ToolErrorReporter.getMessage("msg.format1", errArgs);
}
}
}