001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.maven.doxia.macro;
020
021import javax.inject.Named;
022import javax.inject.Singleton;
023
024import org.apache.maven.doxia.sink.Sink;
025
026/**
027 * A simple macro that prints out the key and value of some supplied parameters.
028 */
029@Singleton
030@Named("echo")
031public class EchoMacro extends AbstractMacro {
032    /** {@inheritDoc} */
033    public void execute(Sink sink, MacroRequest request) {
034        sink.verbatim();
035
036        sink.text("echo" + EOL);
037
038        for (String key : request.getParameters().keySet()) {
039            // TODO: DOXIA-242: separate or define internal params
040            if ("parser".equals(key) || "sourceContent".equals(key)) {
041                continue;
042            }
043
044            sink.text(key + " ---> " + request.getParameter(key) + EOL);
045        }
046
047        sink.verbatim_();
048    }
049}