/***** BEGIN LICENSE BLOCK *****
* Version: EPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Eclipse 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/epl-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) 2006 Ola Bini <ola@ologix.com>
*
* 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.ext.openssl;
import java.io.IOException;
import org.jruby.Ruby;
import org.jruby.RubyClass;
import org.jruby.RubyModule;
import org.jruby.exceptions.RaiseException;
import org.jruby.internal.runtime.methods.DynamicMethod;
import org.jruby.internal.runtime.methods.UndefinedMethod;
import org.jruby.runtime.Block;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;
/**
* @author <a href="mailto:ola.bini@ki.se">Ola Bini</a>
*/
final class Utils {
private Utils() {}
static RaiseException newIOError(Ruby runtime, IOException e) {
RaiseException ex = newIOError(runtime, e.getMessage());
ex.initCause(e);
return ex;
}
static RaiseException newIOError(Ruby runtime, String msg) {
return new RaiseException(runtime, runtime.getIOError(), msg, true);
}
static RaiseException newRuntimeError(Ruby runtime, Exception e) {
RaiseException ex = newRuntimeError(runtime, e.getMessage());
ex.initCause(e);
return ex;
}
static RaiseException newArgumentError(Ruby runtime, Exception e) {
return newError(runtime, runtime.getArgumentError(), e);
}
static RaiseException newRuntimeError(Ruby runtime, String msg) {
return new RaiseException(runtime, runtime.getRuntimeError(), msg, true);
}
static RaiseException newErrorWithoutTrace(Ruby runtime, RubyClass errorClass, String message, boolean nativeException) {
final IRubyObject backtrace = runtime.newEmptyArray(); // runtime.getNil();
return new RaiseException(runtime, errorClass, message, backtrace, nativeException);
}
static RaiseException newError(Ruby runtime, RubyClass errorClass, String message, boolean nativeException) {
return new RaiseException(runtime, errorClass, message, nativeException);
}
static RaiseException newError(Ruby runtime, RubyClass errorClass, Throwable e) {
return newError(runtime, errorClass, e.getMessage(), e);
}
static RaiseException newError(Ruby runtime, RubyClass errorClass, String msg) {
return newError(runtime, errorClass, msg, true);
}
static RaiseException newError(Ruby runtime, RubyClass errorClass, String msg, Throwable e) {
RaiseException ex = newError(runtime, errorClass, msg);
ex.initCause(e);
return ex;
}
static boolean hasNonNilInstanceVariable(final IRubyObject self, final String var) {
final IRubyObject val = self.getInstanceVariables().getInstanceVariable(var);
return val != null && ! val.isNil();
}
// reinvented parts of org.jruby.runtime.Helpers for compatibility with "older" JRuby :
static IRubyObject invoke(ThreadContext context, IRubyObject self, String name, Block block) {
return self.getMetaClass().finvoke(context, self, name, block);
}
static IRubyObject invokeSuper(ThreadContext context, IRubyObject self, IRubyObject[] args, Block block) {
return invokeSuper(context, self, context.getFrameKlazz(), context.getFrameName(), args, block);
}
static IRubyObject invokeSuper(ThreadContext context, IRubyObject self, RubyModule klass, String name, IRubyObject[] args, Block block) {
checkSuperDisabledOrOutOfMethod(context, klass, name);
RubyClass superClass = findImplementerIfNecessary(self.getMetaClass(), klass).getSuperClass();
DynamicMethod method = superClass != null ? superClass.searchMethod(name) : UndefinedMethod.INSTANCE;
// NOTE: method_missing not implemented !
//if (method.isUndefined()) {
// return callMethodMissing(context, self, method.getVisibility(), name, CallType.SUPER, args, block);
//}
return method.call(context, self, superClass, name, args, block);
}
private static void checkSuperDisabledOrOutOfMethod(ThreadContext context, RubyModule klass, String name) {
if (klass == null) {
if (name != null) {
throw context.runtime.newNameError("superclass method '" + name + "' disabled", name);
} else {
throw context.runtime.newNoMethodError("super called outside of method", null, context.nil);
}
}
}
private static RubyModule findImplementerIfNecessary(RubyModule clazz, RubyModule implementationClass) {
if (implementationClass != null && implementationClass.needsImplementer()) {
// modules are included with a shim class; we must find that shim to handle super() appropriately
return clazz.findImplementer(implementationClass);
} else {
// classes are directly in the hierarchy, so no special logic is necessary for implementer
return implementationClass;
}
}
}// Utils