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1   package org.apache.maven.doxia.macro;
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.doxia.sink.Sink;
23  import org.apache.maven.doxia.sink.impl.SinkEventAttributeSet;
24  import org.codehaus.plexus.component.annotations.Component;
25  
26  /**
27   * A simple macro that prints out the key and value of some supplied parameters.
28   */
29  @Component( role = Macro.class, hint = "echo" )
30  public class EchoMacro
31      extends AbstractMacro
32  {
33      /** {@inheritDoc} */
34      public void execute( Sink sink, MacroRequest request )
35      {
36          sink.verbatim( SinkEventAttributeSet.BOXED );
37  
38          sink.text( "echo" + EOL );
39  
40          for ( String key : request.getParameters().keySet() )
41          {
42              // TODO: DOXIA-242: separate or define internal params
43              if ( "parser".equals( key ) || "sourceContent".equals( key ) )
44              {
45                  continue;
46              }
47  
48              sink.text( key + " ---> " + request.getParameter( key ) + EOL );
49          }
50  
51          sink.verbatim_();
52      }
53  }