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/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
* 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 Netscape are
* Copyright (C) 1997-1999 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Norris Boyd
* Kurt Westerfeld
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU Public License (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 NPL, indicate your decision by
* deleting the provisions above and replace 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 NPL or the GPL.
*/
package org.mozilla.javascript.tools;
import org.mozilla.javascript.*;
import java.text.MessageFormat;
import java.io.*;
import java.util.*;
/**
* 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.mozilla.javascript.tools.resources.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);
}
}
public void warning(String message, String sourceName, int line,
String lineSource, int lineOffset)
{
if (!reportWarnings)
return;
Object[] errArgs = { formatMessage(message, sourceName, line) };
message = getMessage("msg.warning", errArgs);
err.println(messagePrefix + message);
if (null != lineSource) {
err.println(messagePrefix + lineSource);
err.println(messagePrefix + buildIndicator(lineOffset));
}
}
public void error(String message, String sourceName, int line,
String lineSource, int lineOffset)
{
hasReportedErrorFlag = true;
message = formatMessage(message, sourceName, line);
err.println(messagePrefix + message);
if (null != lineSource) {
err.println(messagePrefix + lineSource);
err.println(messagePrefix + buildIndicator(lineOffset));
}
}
public EvaluatorException runtimeError(String message, String sourceName,
int line, String lineSource,
int lineOffset)
{
error(message, sourceName, line, lineSource, lineOffset);
return new EvaluatorException(message);
}
public boolean hasReportedError() {
return hasReportedErrorFlag;
}
public boolean isReportingWarnings() {
return this.reportWarnings;
}
public void setIsReportingWarnings(boolean reportWarnings) {
this.reportWarnings = reportWarnings;
}
private String formatMessage(String message, String sourceName, int line) {
if (line > 0) {
if (sourceName != null) {
Object[] errArgs = { sourceName, new Integer(line), message };
return getMessage("msg.format3", errArgs);
} else {
Object[] errArgs = { new Integer(line), message };
return getMessage("msg.format2", errArgs);
}
} else {
Object[] errArgs = { message };
return getMessage("msg.format1", errArgs);
}
}
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;
}
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