1 /*
   2  * Copyright (c) 1997, 2011, 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.tools.internal.xjc;
  27 
  28 import java.io.File;
  29 import java.io.IOException;
  30 import java.io.OutputStream;
  31 import java.io.Writer;
  32 
  33 import com.sun.codemodel.internal.CodeWriter;
  34 import com.sun.codemodel.internal.JPackage;
  35 import com.sun.codemodel.internal.writer.FilterCodeWriter;
  36 
  37 /**
  38  * {@link CodeWriter} that reports progress to {@link XJCListener}.
  39  */
  40 final class ProgressCodeWriter extends FilterCodeWriter {
  41 
  42     private int current;
  43     private final int totalFileCount;
  44 
  45     public ProgressCodeWriter( CodeWriter output, XJCListener progress, int totalFileCount ) {
  46         super(output);
  47         this.progress = progress;
  48         this.totalFileCount = totalFileCount;
  49         if(progress==null)
  50             throw new IllegalArgumentException();
  51     }
  52 
  53     private final XJCListener progress;
  54 
  55     public Writer openSource(JPackage pkg, String fileName) throws IOException {
  56         report(pkg,fileName);
  57         return super.openSource(pkg, fileName);
  58     }
  59 
  60     public OutputStream openBinary(JPackage pkg, String fileName) throws IOException {
  61         report(pkg,fileName);
  62         return super.openBinary(pkg,fileName);
  63     }
  64 
  65     private void report(JPackage pkg, String fileName) {
  66         String name = pkg.name().replace('.', File.separatorChar);
  67         if(name.length()!=0)    name +=     File.separatorChar;
  68         name += fileName;
  69 
  70         if(progress.isCanceled())
  71             throw new AbortException();
  72         progress.generatedFile(name,current++,totalFileCount);
  73     }
  74 }