1 /*
   2  * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.codemodel.internal.writer;
  27 
  28 import java.io.File;
  29 import java.io.IOException;
  30 import java.io.OutputStream;
  31 import java.io.PrintStream;
  32 import java.io.Writer;
  33 
  34 import com.sun.codemodel.internal.CodeWriter;
  35 import com.sun.codemodel.internal.JPackage;
  36 
  37 /**
  38  * Filter CodeWriter that writes a progress message to the specified
  39  * PrintStream.
  40  *
  41  * @author
  42  *      Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
  43  */
  44 public class ProgressCodeWriter extends FilterCodeWriter {
  45     public ProgressCodeWriter( CodeWriter output, PrintStream progress ) {
  46         super(output);
  47         this.progress = progress;
  48         if(progress==null)
  49             throw new IllegalArgumentException();
  50     }
  51 
  52     private final PrintStream progress;
  53 
  54     @Override
  55     public OutputStream openBinary(JPackage pkg, String fileName) throws IOException {
  56         report(pkg, fileName);
  57         return super.openBinary(pkg,fileName);
  58     }
  59 
  60     @Override
  61     public Writer openSource(JPackage pkg, String fileName) throws IOException {
  62         report(pkg, fileName);
  63         return super.openSource(pkg,fileName);
  64     }
  65 
  66     private void report(JPackage pkg, String fileName) {
  67         if(pkg == null || pkg.isUnnamed())
  68             progress.println(fileName);
  69         else
  70             progress.println(
  71                 pkg.name().replace('.',File.separatorChar)
  72                     +File.separatorChar+fileName);
  73     }
  74 
  75 }