1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.proxy.util;
19  
20  import java.io.IOException;
21  
22  /**
23   * @author James Carman
24   * @since 1.0
25   */
26  public interface Echo
27  {
28      public String echoBack( String message );
29      public String echoBack( String message1, String message2 );
30      public String echoBack( String[] messages );
31      public int echoBack( int i );
32      public boolean echoBack( boolean b );
33      public void echo();
34  
35      public void ioException() throws IOException;
36      public void illegalArgument();
37  }