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1   /**
2    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3    *
4    * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
5    * Portions Copyright 2013-2018 Philip Helger + contributors
6    *
7    * The contents of this file are subject to the terms of either the GNU
8    * General Public License Version 2 only ("GPL") or the Common Development
9    * and Distribution License("CDDL") (collectively, the "License").  You
10   * may not use this file except in compliance with the License.  You can
11   * obtain a copy of the License at
12   * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
13   * or packager/legal/LICENSE.txt.  See the License for the specific
14   * language governing permissions and limitations under the License.
15   *
16   * When distributing the software, include this License Header Notice in each
17   * file and include the License file at packager/legal/LICENSE.txt.
18   *
19   * GPL Classpath Exception:
20   * Oracle designates this particular file as subject to the "Classpath"
21   * exception as provided by Oracle in the GPL Version 2 section of the License
22   * file that accompanied this code.
23   *
24   * Modifications:
25   * If applicable, add the following below the License Header, with the fields
26   * enclosed by brackets [] replaced by your own identifying information:
27   * "Portions Copyright [year] [name of copyright owner]"
28   *
29   * Contributor(s):
30   * If you wish your version of this file to be governed by only the CDDL or
31   * only the GPL Version 2, indicate your decision by adding "[Contributor]
32   * elects to include this software in this distribution under the [CDDL or GPL
33   * Version 2] license."  If you don't indicate a single choice of license, a
34   * recipient has the option to distribute your version of this file under
35   * either the CDDL, the GPL Version 2 or to extend the choice of license to
36   * its licensees as provided above.  However, if you add GPL Version 2 code
37   * and therefore, elected the GPL Version 2 license, then the option applies
38   * only if the new code is made subject to such option by the copyright
39   * holder.
40   */
41  package com.helger.jcodemodel.writer;
42  
43  import java.io.File;
44  import java.io.IOException;
45  import java.io.OutputStream;
46  import java.io.Serializable;
47  
48  import javax.annotation.Nonnull;
49  
50  import com.helger.jcodemodel.JPackage;
51  import com.helger.jcodemodel.SourcePrintWriter;
52  import com.helger.jcodemodel.util.JCValueEnforcer;
53  
54  /**
55   * Filter CodeWriter that writes a progress message to the specified
56   * {@link IProgressTracker}.
57   *
58   * @author Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
59   */
60  public class ProgressCodeWriter extends FilterCodeWriter
61  {
62    @FunctionalInterface
63    public static interface IProgressTracker extends Serializable
64    {
65      void println (@Nonnull String sLine);
66    }
67  
68    private final IProgressTracker m_aPT;
69  
70    public ProgressCodeWriter (@Nonnull final AbstractCodeWriter output, @Nonnull final IProgressTracker progress)
71    {
72      super (output);
73      JCValueEnforcer.notNull (progress, "Progress");
74      m_aPT = progress;
75    }
76  
77    protected void report (@Nonnull final JPackage aPackage, @Nonnull final String sFilename)
78    {
79      if (aPackage.isUnnamed ())
80        m_aPT.println (sFilename);
81      else
82        m_aPT.println (aPackage.name ().replace ('.', File.separatorChar) + File.separatorChar + sFilename);
83    }
84  
85    @Override
86    public OutputStream openBinary (@Nonnull final JPackage aPackage, @Nonnull final String sFilename) throws IOException
87    {
88      report (aPackage, sFilename);
89      return super.openBinary (aPackage, sFilename);
90    }
91  
92    @Override
93    public SourcePrintWriter openSource (@Nonnull final JPackage aPackage,
94                                         @Nonnull final String sFilename) throws IOException
95    {
96      report (aPackage, sFilename);
97      return super.openSource (aPackage, sFilename);
98    }
99  }