/***** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Common Public
* License Version 1.0 (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.eclipse.org/legal/cpl-v10.html
*
* 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.
*
* Copyright (C) 2005 David Corbin <dcorbin@users.sourceforge.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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package org.jruby;
import java.io.PrintStream;
import org.jruby.anno.JRubyClass;
import org.jruby.anno.JRubyMethod;
import org.jruby.javasupport.Java;
import org.jruby.javasupport.JavaObject;
import org.jruby.runtime.Block;
import org.jruby.runtime.ObjectAllocator;
import org.jruby.runtime.builtin.IRubyObject;
@JRubyClass(name = "NativeException", parent = "RuntimeError")
public class NativeException extends RubyException {
private final Throwable cause;
public static final String CLASS_NAME = "NativeException";
private final Ruby runtime;
public NativeException(Ruby runtime, RubyClass rubyClass, Throwable cause) {
super(runtime, rubyClass, cause.getClass().getName() + ": " + cause.getMessage());
this.runtime = runtime;
this.cause = cause;
}
public static RubyClass createClass(Ruby runtime, RubyClass baseClass) {
// FIXME: If NativeException is expected to be used from Ruby code, it should provide
// a real allocator to be used. Otherwise Class.new will fail, as will marshalling. JRUBY-415
RubyClass exceptionClass = runtime.defineClass(CLASS_NAME, baseClass, ObjectAllocator.NOT_ALLOCATABLE_ALLOCATOR);
exceptionClass.defineAnnotatedMethods(NativeException.class);
return exceptionClass;
}
@JRubyMethod(frame = true)
public IRubyObject cause(Block unusedBlock) {
return Java.wrap(getRuntime(), JavaObject.wrap(getRuntime(), cause));
}
public IRubyObject backtrace() {
IRubyObject rubyTrace = super.backtrace();
if (rubyTrace.isNil()) {
return rubyTrace;
}
RubyArray array = (RubyArray) rubyTrace.dup();
StackTraceElement[] stackTrace = cause.getStackTrace();
for (int i = stackTrace.length - 1; i >= 0; i--) {
StackTraceElement element = stackTrace[i];
String className = element.getClassName();
String line = null;
if (element.getFileName() == null) {
line = className + ":" + element.getLineNumber() + ":in `" + element.getMethodName() + "'";
} else {
int index = className.lastIndexOf(".");
String packageName = null;
if (index == -1) {
packageName = "";
} else {
packageName = className.substring(0, index) + "/";
}
line = packageName.replace(".", "/") + element.getFileName() + ":" + element.getLineNumber() + ":in `" + element.getMethodName() + "'";
}
RubyString string = runtime.newString(line);
array.unshift(string);
}
return array;
}
public void printBacktrace(PrintStream errorStream) {
super.printBacktrace(errorStream);
errorStream.println("Complete Java stackTrace");
cause.printStackTrace(errorStream);
}
public Throwable getCause() {
return cause;
}
}