/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Rhino code, released
* May 6, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1997-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Norris Boyd
* Kurt Westerfeld
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (the "GPL"), in which
* case the provisions of the GPL are applicable instead of those above. If
* you wish to allow use of your version of this file only under the terms of
* the GPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replacing
* them with the notice and other provisions required by the GPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* ***** END LICENSE BLOCK ***** */
package org.moyrax.javascript.tool;
import java.io.PrintStream;
import java.text.MessageFormat;
import java.util.Locale;
import java.util.ResourceBundle;
import net.sourceforge.htmlunit.corejs.javascript.Context;
import net.sourceforge.htmlunit.corejs.javascript.EcmaError;
import net.sourceforge.htmlunit.corejs.javascript.ErrorReporter;
import net.sourceforge.htmlunit.corejs.javascript.EvaluatorException;
import net.sourceforge.htmlunit.corejs.javascript.JavaScriptException;
import net.sourceforge.htmlunit.corejs.javascript.RhinoException;
import net.sourceforge.htmlunit.corejs.javascript.WrappedException;
/**
* Error reporter for tools.
*
* Currently used by both the shell and the compiler.
*/
public class ToolErrorReporter implements ErrorReporter {
public ToolErrorReporter(boolean reportWarnings) {
this(reportWarnings, System.err);
}
public ToolErrorReporter(boolean reportWarnings, PrintStream err) {
this.reportWarnings = reportWarnings;
this.err = err;
}
/**
* Look up the message corresponding to messageId in the
* org.mozilla.javascript.tools.shell.resources.Messages property file.
* For internationalization support.
*/
public static String getMessage(String messageId) {
return getMessage(messageId, (Object []) null);
}
public static String getMessage(String messageId, String argument) {
Object[] args = { argument };
return getMessage(messageId, args);
}
public static String getMessage(String messageId, Object arg1, Object arg2)
{
Object[] args = { arg1, arg2 };
return getMessage(messageId, args);
}
public static String getMessage(String messageId, Object[] args) {
Context cx = Context.getCurrentContext();
Locale locale = cx == null ? Locale.getDefault() : cx.getLocale();
// ResourceBundle does cacheing.
ResourceBundle rb = ResourceBundle.getBundle
("org.moyrax.javascript.tool.Messages", locale);
String formatString;
try {
formatString = rb.getString(messageId);
} catch (java.util.MissingResourceException mre) {
throw new RuntimeException("no message resource found for message property "
+ messageId);
}
if (args == null) {
return formatString;
} else {
MessageFormat formatter = new MessageFormat(formatString);
return formatter.format(args);
}
}
private static String getExceptionMessage(RhinoException ex)
{
String msg;
if (ex instanceof JavaScriptException) {
msg = getMessage("msg.uncaughtJSException", ex.details());
} else if (ex instanceof EcmaError) {
msg = getMessage("msg.uncaughtEcmaError", ex.details());
} else {
msg = ex.toString();
}
return msg;
}
public void warning(String message, String sourceName, int line,
String lineSource, int lineOffset)
{
if (!reportWarnings)
return;
reportErrorMessage(message, sourceName, line, lineSource, lineOffset,
true);
}
public void error(String message, String sourceName, int line,
String lineSource, int lineOffset)
{
hasReportedErrorFlag = true;
reportErrorMessage(message, sourceName, line, lineSource, lineOffset,
false);
}
public EvaluatorException runtimeError(String message, String sourceName,
int line, String lineSource,
int lineOffset)
{
error(message, sourceName, line, lineSource, lineOffset);
return new EvaluatorException(message, sourceName, line,
lineSource, lineOffset);
}
public boolean hasReportedError() {
return hasReportedErrorFlag;
}
public boolean isReportingWarnings() {
return this.reportWarnings;
}
public void setIsReportingWarnings(boolean reportWarnings) {
this.reportWarnings = reportWarnings;
}
public static void reportException(ErrorReporter er, RhinoException ex)
{
if (er instanceof ToolErrorReporter) {
((ToolErrorReporter)er).reportException(ex);
} else {
String msg = getExceptionMessage(ex);
er.error(msg, ex.sourceName(), ex.lineNumber(),
ex.lineSource(), ex.columnNumber());
}
}
public void reportException(RhinoException ex)
{
if (ex instanceof WrappedException) {
WrappedException we = (WrappedException)ex;
we.printStackTrace(err);
} else {
String msg = getExceptionMessage(ex);
reportErrorMessage(msg, ex.sourceName(), ex.lineNumber(),
ex.lineSource(), ex.columnNumber(), false);
}
}
private void reportErrorMessage(String message, String sourceName, int line,
String lineSource, int lineOffset,
boolean justWarning)
{
if (line > 0) {
String lineStr = String.valueOf(line);
if (sourceName != null) {
Object[] args = { sourceName, lineStr, message };
message = getMessage("msg.format3", args);
} else {
Object[] args = { lineStr, message };
message = getMessage("msg.format2", args);
}
} else {
Object[] args = { message };
message = getMessage("msg.format1", args);
}
if (justWarning) {
message = getMessage("msg.warning", message);
}
err.println(messagePrefix + message);
if (null != lineSource) {
err.println(messagePrefix + lineSource);
err.println(messagePrefix + buildIndicator(lineOffset));
}
}
private String buildIndicator(int offset){
StringBuffer sb = new StringBuffer();
for (int i = 0; i < offset-1; i++)
sb.append(".");
sb.append("^");
return sb.toString();
}
private final String messagePrefix = "js: ";
private boolean hasReportedErrorFlag;
private boolean reportWarnings;
private PrintStream err;
}