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1   package org.apache.maven.surefire.spi;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.apache.maven.surefire.api.booter.MasterProcessChannelDecoder;
23  import org.apache.maven.surefire.api.booter.MasterProcessChannelEncoder;
24  
25  import java.io.Closeable;
26  import java.io.IOException;
27  
28  /**
29   * The SPI interface, a factory of an encoder and a decoder.
30   */
31  public interface MasterProcessChannelProcessorFactory extends Closeable
32  {
33      /**
34       * Evaluates the {@code channelConfig}.
35       *
36       * @param channelConfig a connection string used by the fork JVM
37       * @return {@code true} if {@code channelConfig} is applicable and thus this SPI is eligible in the fork
38       */
39      boolean canUse( String channelConfig );
40  
41      /**
42       * Open a new connection.
43       *
44       * @param channelConfig e.g. "pipe://3" or "tcp://127.0.0.1:65035"
45       * @throws IOException if cannot connect
46       */
47      void connect( String channelConfig ) throws IOException;
48  
49      /**
50       * Decoder factory method.
51       *
52       * @return a new instance of decoder
53       */
54      MasterProcessChannelDecoder createDecoder() throws IOException;
55  
56      /**
57       * Encoder factory method.
58       *
59       * @return a new instance of encoder
60       */
61      MasterProcessChannelEncoder createEncoder() throws IOException;
62  }