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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.doxia.macro;
20  
21  import javax.inject.Named;
22  import javax.inject.Singleton;
23  
24  import org.apache.maven.doxia.sink.Sink;
25  
26  /**
27   * A simple macro that prints out the key and value of some supplied parameters.
28   */
29  @Singleton
30  @Named("echo")
31  public class EchoMacro extends AbstractMacro {
32      /** {@inheritDoc} */
33      public void execute(Sink sink, MacroRequest request) {
34          sink.verbatim();
35  
36          sink.text("echo" + EOL);
37  
38          for (String key : request.getParameters().keySet()) {
39              // TODO: DOXIA-242: separate or define internal params
40              if ("parser".equals(key) || "sourceContent".equals(key)) {
41                  continue;
42              }
43  
44              sink.text(key + " ---> " + request.getParameter(key) + EOL);
45          }
46  
47          sink.verbatim_();
48      }
49  }