ConnectionResetByPeer.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.jooby.internal;

import static javaslang.Predicates.instanceOf;

import java.io.IOException;
import java.util.Objects;
import java.util.Optional;

public class ConnectionResetByPeer {

  public static boolean test(final Throwable cause) {
    return Optional.ofNullable(cause)
        .filter(instanceOf(IOException.class))
        .map(x -> x.getMessage())
        .filter(Objects::nonNull)
        .map(message -> message.toLowerCase().contains("connection reset by peer"))
        .orElse(false);
  }
}