org.jruby.Ruby.getException()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中org.jruby.Ruby.getException方法的一些代码示例，展示了Ruby.getException的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Ruby.getException方法的具体详情如下：
包路径：org.jruby.Ruby
类名称：Ruby
方法名：getException

Ruby.getException介绍

[英]Get the current exception count.
[中]获取当前异常计数。

代码示例

代码示例来源：origin: org.jruby/jruby-complete

@JRubyMethod(name = "===", meta = true)
public static IRubyObject op_eqq(ThreadContext context, IRubyObject recv, IRubyObject other) {
  Ruby runtime = context.runtime;
  // special case non-FlowControlException Java exceptions so they'll be caught by rescue Exception
  if (other instanceof ConcreteJavaProxy &&
      (recv == runtime.getException() || recv == runtime.getStandardError())) {
    Object object = ((ConcreteJavaProxy)other).getObject();
    if (object instanceof Throwable && !(object instanceof FlowControlException)) {
      if (recv == runtime.getException() || object instanceof java.lang.Exception) {
        return context.tru;
      }
    }
  }
  // fall back on default logic
  return ((RubyClass)recv).op_eqq(context, other);
}

代码示例来源：origin: org.jruby/jruby-core

@JRubyMethod(name = "===", meta = true)
public static IRubyObject op_eqq(ThreadContext context, IRubyObject recv, IRubyObject other) {
  Ruby runtime = context.runtime;
  // special case non-FlowControlException Java exceptions so they'll be caught by rescue Exception
  if (other instanceof ConcreteJavaProxy &&
      (recv == runtime.getException() || recv == runtime.getStandardError())) {
    Object object = ((ConcreteJavaProxy)other).getObject();
    if (object instanceof Throwable && !(object instanceof FlowControlException)) {
      if (recv == runtime.getException() || object instanceof java.lang.Exception) {
        return context.tru;
      }
    }
  }
  // fall back on default logic
  return ((RubyClass)recv).op_eqq(context, other);
}

代码示例来源：origin: org.kill-bill.billing/killbill-osgi-bundles-jruby

@JRubyMethod(name = "===", meta = true)
public static IRubyObject op_eqq(ThreadContext context, IRubyObject recv, IRubyObject other) {
  Ruby runtime = context.runtime;
  // special case non-FlowControlException Java exceptions so they'll be caught by rescue Exception
  if (other instanceof ConcreteJavaProxy &&
      (recv == runtime.getException() || recv == runtime.getStandardError())) {
    Object object = ((ConcreteJavaProxy)other).getObject();
    if (object instanceof Throwable && !(object instanceof FlowControlException)) {
      return context.runtime.getTrue();
    }
  }
  // fall back on default logic
  return ((RubyClass)recv).op_eqq(context, other);
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

@JRubyMethod(name = "===", meta = true)
public static IRubyObject op_eqq(ThreadContext context, IRubyObject recv, IRubyObject other) {
  Ruby runtime = context.runtime;
  // special case non-FlowControlException Java exceptions so they'll be caught by rescue Exception
  if (other instanceof ConcreteJavaProxy &&
      (recv == runtime.getException() || recv == runtime.getStandardError())) {
    Object object = ((ConcreteJavaProxy)other).getObject();
    if (object instanceof Throwable && !(object instanceof FlowControlException)) {
      return context.runtime.getTrue();
    }
  }
  // fall back on default logic
  return ((RubyClass)recv).op_eqq(context, other);
}

代码示例来源：origin: org.jruby/jruby-complete

@Override
@JRubyMethod(name = "==")
public RubyBoolean op_equal(ThreadContext context, IRubyObject other) {
  if (this == other) return context.tru;
  boolean equal = context.runtime.getException().isInstance(other) &&
      getMetaClass().getRealClass() == other.getMetaClass().getRealClass() &&
      callMethod(context, "message").equals(other.callMethod(context, "message")) &&
      callMethod(context, "backtrace").equals(other.callMethod(context, "backtrace"));
  return context.runtime.newBoolean(equal);
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

public void load(Ruby runtime, boolean wrap) throws IOException {
  RubyModule timeout = runtime.defineModule("Timeout");
  RubyClass superclass = runtime.is1_9() ? runtime.getRuntimeError() : runtime.getInterrupt();
  RubyClass timeoutError = runtime.defineClassUnder("Error", superclass, superclass.getAllocator(), timeout);
  runtime.defineClassUnder("ExitException", runtime.getException(), runtime.getException().getAllocator(), timeout);
  // Here we create an "anonymous" exception type used for unrolling the stack.
  // MRI creates a new one for *every call* to timeout, which can be costly.
  // We opt to use a single exception type for all cases to avoid this overhead.
  RubyClass anonEx = runtime.defineClassUnder("AnonymousException", runtime.getException(), runtime.getException().getAllocator(), timeout);
  anonEx.setBaseName(null); // clear basename so it's anonymous when raising
  // These are not really used by timeout, but exposed for compatibility
  timeout.defineConstant("THIS_FILE", RubyRegexp.newRegexp(runtime, "timeout\\.rb", new RegexpOptions()));
  timeout.defineConstant("CALLER_OFFSET", RubyFixnum.newFixnum(runtime, 0));
  // Timeout module methods
  timeout.defineAnnotatedMethods(Timeout.class);
  // Toplevel defines
  runtime.getObject().defineConstant("TimeoutError", timeoutError);
  runtime.getObject().defineAnnotatedMethods(TimeoutToplevel.class);
}

代码示例来源：origin: org.jruby/jruby-core

@Override
@JRubyMethod(name = "==")
public RubyBoolean op_equal(ThreadContext context, IRubyObject other) {
  if (this == other) return context.tru;
  boolean equal = context.runtime.getException().isInstance(other) &&
      getMetaClass().getRealClass() == other.getMetaClass().getRealClass() &&
      callMethod(context, "message").equals(other.callMethod(context, "message")) &&
      callMethod(context, "backtrace").equals(other.callMethod(context, "backtrace"));
  return context.runtime.newBoolean(equal);
}

代码示例来源：origin: org.kill-bill.billing/killbill-osgi-bundles-jruby

public void load(Ruby runtime, boolean wrap) throws IOException {
  RubyModule timeout = runtime.defineModule("Timeout");
  RubyClass superclass = runtime.is1_9() ? runtime.getRuntimeError() : runtime.getInterrupt();
  RubyClass timeoutError = runtime.defineClassUnder("Error", superclass, superclass.getAllocator(), timeout);
  runtime.defineClassUnder("ExitException", runtime.getException(), runtime.getException().getAllocator(), timeout);
  // Here we create an "anonymous" exception type used for unrolling the stack.
  // MRI creates a new one for *every call* to timeout, which can be costly.
  // We opt to use a single exception type for all cases to avoid this overhead.
  RubyClass anonEx = runtime.defineClassUnder("AnonymousException", runtime.getException(), runtime.getException().getAllocator(), timeout);
  anonEx.setBaseName(null); // clear basename so it's anonymous when raising
  // These are not really used by timeout, but exposed for compatibility
  timeout.defineConstant("THIS_FILE", RubyRegexp.newRegexp(runtime, "timeout\\.rb", new RegexpOptions()));
  timeout.defineConstant("CALLER_OFFSET", RubyFixnum.newFixnum(runtime, 0));
  // Timeout module methods
  timeout.defineAnnotatedMethods(Timeout.class);
  // Toplevel defines
  runtime.getObject().defineConstant("TimeoutError", timeoutError);
  runtime.getObject().defineAnnotatedMethods(TimeoutToplevel.class);
}

代码示例来源：origin: org.kill-bill.billing/killbill-osgi-bundles-jruby

@Override
public IRubyObject set(IRubyObject value) {
  if (!value.isNil() &&
      !runtime.getException().isInstance(value) &&
      !(JavaUtil.isJavaObject(value) && JavaUtil.unwrapJavaObject(value) instanceof Throwable)) {
    throw runtime.newTypeError("assigning non-exception to $!");
  }
  
  return runtime.getCurrentContext().setErrorInfo(value);
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

@Override
public IRubyObject set(IRubyObject value) {
  if (!value.isNil() &&
      !runtime.getException().isInstance(value) &&
      !(JavaUtil.isJavaObject(value) && JavaUtil.unwrapJavaObject(value) instanceof Throwable)) {
    throw runtime.newTypeError("assigning non-exception to $!");
  }
  
  return runtime.getCurrentContext().setErrorInfo(value);
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

@JRubyMethod(name = "==", compat = CompatVersion.RUBY1_9)
@Override
public IRubyObject op_equal(ThreadContext context, IRubyObject other) {
  if (this == other) return context.runtime.getTrue();
  boolean equal = context.runtime.getException().isInstance(other) &&
          callMethod(context, "message").equals(other.callMethod(context, "message")) &&
          callMethod(context, "backtrace").equals(other.callMethod(context, "backtrace"));
  if (context.runtime.is2_0()) {
    equal = equal && getMetaClass().getRealClass() == other.getMetaClass().getRealClass();
  }
  return context.runtime.newBoolean(equal);
}

代码示例来源：origin: org.jruby/jruby-complete

@Override
public IRubyObject set(IRubyObject value) {
  if (!value.isNil() &&
      !runtime.getException().isInstance(value) &&
      !(JavaUtil.isJavaObject(value) && JavaUtil.unwrapJavaObject(value) instanceof Throwable)) {
    throw runtime.newTypeError("assigning non-exception to $!");
  }
  return runtime.getCurrentContext().setErrorInfo(value);
}

代码示例来源：origin: org.jruby/jruby-core

@Override
public IRubyObject set(IRubyObject value) {
  if (!value.isNil() &&
      !runtime.getException().isInstance(value) &&
      !(JavaUtil.isJavaObject(value) && JavaUtil.unwrapJavaObject(value) instanceof Throwable)) {
    throw runtime.newTypeError("assigning non-exception to $!");
  }
  return runtime.getCurrentContext().setErrorInfo(value);
}

代码示例来源：origin: org.kill-bill.billing/killbill-osgi-bundles-jruby

@JRubyMethod(name = "==", compat = CompatVersion.RUBY1_9)
@Override
public IRubyObject op_equal(ThreadContext context, IRubyObject other) {
  if (this == other) return context.runtime.getTrue();
  boolean equal = context.runtime.getException().isInstance(other) &&
          callMethod(context, "message").equals(other.callMethod(context, "message")) &&
          callMethod(context, "backtrace").equals(other.callMethod(context, "backtrace"));
  if (context.runtime.is2_0()) {
    equal = equal && getMetaClass().getRealClass() == other.getMetaClass().getRealClass();
  }
  return context.runtime.newBoolean(equal);
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

private boolean exceptionHandled(ThreadContext context, IRubyObject excType, Object excObj) {
  Ruby runtime = context.runtime;
  if (excObj instanceof IRubyObject) {
    // regular ruby exception
    if (!(excType instanceof RubyModule)) throw runtime.newTypeError("class or module required for rescue clause. Found: " + excType);
    return excType.callMethod(context, "===", (IRubyObject)excObj).isTrue();
  } else if (runtime.getException().op_ge(excType).isTrue() || runtime.getObject() == excType) {
    // convert java obj to a ruby object and try again
    return excType.callMethod(context, "===", JavaUtil.convertJavaToUsableRubyObject(runtime, excObj)).isTrue();
  } else if (excType instanceof RubyClass && excType.getInstanceVariables().hasInstanceVariable("@java_class")) {
    // java exception where the rescue clause has an embedded java class that could catch it
    RubyClass rubyClass = (RubyClass)excType;
    JavaClass javaClass = (JavaClass)rubyClass.getInstanceVariable("@java_class");
    if (javaClass != null) {
      Class cls = javaClass.javaClass();
      if (cls.isInstance(excObj)) return true;
    }
  }
  return false;
}

代码示例来源：origin: org.kill-bill.billing/killbill-osgi-bundles-jruby

private boolean exceptionHandled(ThreadContext context, IRubyObject excType, Object excObj) {
  Ruby runtime = context.runtime;
  if (excObj instanceof IRubyObject) {
    // regular ruby exception
    if (!(excType instanceof RubyModule)) throw runtime.newTypeError("class or module required for rescue clause. Found: " + excType);
    return excType.callMethod(context, "===", (IRubyObject)excObj).isTrue();
  } else if (runtime.getException().op_ge(excType).isTrue() || runtime.getObject() == excType) {
    // convert java obj to a ruby object and try again
    return excType.callMethod(context, "===", JavaUtil.convertJavaToUsableRubyObject(runtime, excObj)).isTrue();
  } else if (excType instanceof RubyClass && excType.getInstanceVariables().hasInstanceVariable("@java_class")) {
    // java exception where the rescue clause has an embedded java class that could catch it
    RubyClass rubyClass = (RubyClass)excType;
    JavaClass javaClass = (JavaClass)rubyClass.getInstanceVariable("@java_class");
    if (javaClass != null) {
      Class cls = javaClass.javaClass();
      if (cls.isInstance(excObj)) return true;
    }
  }
  return false;
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

private static boolean checkJavaException(Throwable throwable, IRubyObject catchable, ThreadContext context) {
  Ruby runtime = context.runtime;
  if (
      // rescue exception needs to catch Java exceptions
      runtime.getException() == catchable ||
      // rescue Object needs to catch Java exceptions
      runtime.getObject() == catchable ||
      // rescue StandardError needs t= catch Java exceptions
      runtime.getStandardError() == catchable) {
    if (throwable instanceof RaiseException) {
      return isExceptionHandled(((RaiseException)throwable).getException(), catchable, context).isTrue();
    }
    // let Ruby exceptions decide if they handle it
    return isExceptionHandled(JavaUtil.convertJavaToUsableRubyObject(runtime, throwable), catchable, context).isTrue();
  } else if (runtime.getNativeException() == catchable) {
    // NativeException catches Java exceptions, lazily creating the wrapper
    return true;
  } else if (catchable instanceof RubyClass && catchable.getInstanceVariables().hasInstanceVariable("@java_class")) {
    RubyClass rubyClass = (RubyClass)catchable;
    JavaClass javaClass = (JavaClass)rubyClass.getInstanceVariable("@java_class");
    if (javaClass != null) {
      Class cls = javaClass.javaClass();
      if (cls.isInstance(throwable)) {
        return true;
      }
    }
  }
  return false;
}

代码示例来源：origin: org.jruby/jruby-core

if (
    runtime.getException() == catchable ||

代码示例来源：origin: org.jruby/jruby-complete

if (
    runtime.getException() == catchable ||

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

if (!runtime.getException().isInstance(exception)) {
  return runtime.newTypeError("exception object expected").getException();

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