View Javadoc
1   package org.apache.maven.shared.utils.cli.javatool;
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  /**
23   * <p>Describes a java tool, means a executable available in the jdk.</p>
24   * <p>The name of the tool ({@link #getJavaToolName()}) reflects the name of the executable that should exists as an
25   * executable in the jdk, like {@code jarsigner, keytool, javadoc, ...}.</p>
26   * <p>An abstract implementation of the {@link JavaTool} named {@link AbstractJavaTool} use the command line API to
27   * execute any user requests of this tool.</p>
28   *
29   * @author <a href="mailto:chemit@codelutin.com">Tony Chemit</a>
30   * @since 0.5
31   * @param <Request> Tool-specific request type
32   */
33  public interface JavaTool<Request extends JavaToolRequest>
34  {
35  
36      /**
37       * <p>Return the name of the java tool. This is exactly the name (without his extension) of the executable to
38       * find in the {@code jdk/bin} directory.</p>
39       * <p>For example: {@code jarsigner, keytool, javadoc, ...}</p>
40       *
41       * @return the name of the java tool.
42       */
43      String getJavaToolName();
44  
45      /**
46       * Set an optional tool chain to find out the java tool executable location.
47       *
48       * @param toolchain optional tool chain to find out the java tool executable location.
49       * To avoid direct dependency on Maven core, this parameter is an Object that will be
50       * used as Toolchain through reflection
51       */
52      void setToolchain( Object toolchain );
53  
54      /**
55       * <p>Execute the input request and then returns the result of the execution.</p>
56       * <p>If could not create the java tool invocation, a {@link JavaToolException} will be thrown.</p>
57       * <p>If execution fails, then the result will have a none-zero {@link JavaToolResult#getExitCode()} and his
58       * {@link JavaToolResult#getExecutionException()} will be filled with the error, otherwise the exist code will be
59       * zero.</p>
60       *
61       * @param request the request to perform
62       * @return the result of the tool execution
63       * @throws JavaToolException if could not create the java tool invocation
64       */
65      JavaToolResult execute( Request request )
66          throws JavaToolException;
67  }