ratpack.error.internal.ErrorCatchingHandler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of ratpack-core Show documentation

null

There is a newer version: 2.0.0-rc-1

/*
 * Copyright 2013 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package ratpack.error.internal;

import ratpack.handling.Context;
import ratpack.handling.Handler;
import ratpack.handling.internal.HandlerException;

public class ErrorCatchingHandler implements Handler {

  private final Handler handler;

  public ErrorCatchingHandler(Handler handler) {
    this.handler = handler;
  }

  public void handle(Context context) {
    try {
      handler.handle(context);
    } catch (Exception exception) {
      if (exception instanceof HandlerException) {
        Context exceptionContext = ((HandlerException) exception).getContext();
        Exception cause = (Exception) exception.getCause();
        exceptionContext.error(cause);
      } else {
        context.error(exception);
      }
    }
  }
}