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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.sling.launchpad.base.impl.bootstrapcommands;
   20   
   21   import java.io.IOException;
   22   
   23   import org.apache.felix.framework.Logger;
   24   import org.osgi.framework.BundleContext;
   25   
   26   interface Command {
   27       @SuppressWarnings("serial")
   28       static class ParseException extends IOException {
   29           ParseException(String reason) {
   30               super(reason);
   31           }
   32       };
   33   
   34       /** Try to parse given command line
   35        * @return null if we don't know the specified command
   36        * @throws ParseException if we know the command but syntax is wrong
   37        */
   38       Command parse(String commandLine) throws ParseException;
   39       
   40       /** Execute this command */
   41       void execute(Logger logger, BundleContext ctx) throws Exception;
   42   }

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