ProgressCodeWriter.java

/**
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 * Portions Copyright 2013-2017 Philip Helger + contributors
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
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package com.helger.jcodemodel.writer;

import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;

import javax.annotation.Nonnull;

import com.helger.jcodemodel.AbstractCodeWriter;
import com.helger.jcodemodel.JPackage;
import com.helger.jcodemodel.SourcePrintWriter;

/**
 * Filter CodeWriter that writes a progress message to the specified
 * PrintStream.
 *
 * @author Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
 */
public class ProgressCodeWriter extends FilterCodeWriter
{
  private final PrintStream m_aPS;

  public ProgressCodeWriter (@Nonnull final AbstractCodeWriter output, @Nonnull final PrintStream progress)
  {
    super (output);
    if (progress == null)
      throw new IllegalArgumentException ();
    this.m_aPS = progress;
  }

  @Override
  public OutputStream openBinary (@Nonnull final JPackage pkg, @Nonnull final String fileName) throws IOException
  {
    _report (pkg, fileName);
    return super.openBinary (pkg, fileName);
  }

  @Override
  public SourcePrintWriter openSource (@Nonnull final JPackage pkg, @Nonnull final String fileName) throws IOException
  {
    _report (pkg, fileName);
    return super.openSource (pkg, fileName);
  }

  private void _report (@Nonnull final JPackage pkg, @Nonnull final String fileName)
  {
    if (pkg.isUnnamed ())
      m_aPS.println (fileName);
    else
      m_aPS.println (pkg.name ().replace ('.', File.separatorChar) + File.separatorChar + fileName);
  }
}