content: /*
   * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package openjdk.tools.sjavac;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.io.Writer;
  import java.net.URI;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  
  import openjdk.tools.sjavac.comp.CompilationService;
  import openjdk.tools.sjavac.options.Options;
  import openjdk.tools.sjavac.pubapi.PubApi;
  
  /**
   * The copy file transform simply copies a matching file from -src to -d .
   * Such files are typically images, xml documents and other data files.
   *
   *  <p><b>This is NOT part of any supported API.
   *  If you write code that depends on this, you do so at your own risk.
   *  This code and its internal interfaces are subject to change or
   *  deletion without notice.</b>
   */
  public class CopyFile implements Transformer {
  
      public void setExtra(String e) {
      }
  
      public void setExtra(Options a) {
      }
  
      public boolean transform(CompilationService compilationService,
                               Map<String,Set<URI>> pkgSrcs,
                               Set<URI> visibleSrcs,
                               Map<String,Set<String>> oldPackageDependents,
                               URI destRoot,
                               Map<String,Set<URI>>    packageArtifacts,
                               Map<String,Map<String, Set<String>>> packageDependencies,
                               Map<String,Map<String, Set<String>>> packageCpDependencies,
                               Map<String, PubApi> packagePubapis,
                               Map<String, PubApi> dependencyPubapis,
                               int debugLevel,
                               boolean incremental,
                               int numCores)
      {
          boolean rc = true;
          String dest_filename;
          File dest;
  
          for (String pkgName : pkgSrcs.keySet()) {
              String pkgNameF = Util.toFileSystemPath(pkgName);
              for (URI u : pkgSrcs.get(pkgName)) {
                  File src = new File(u);
                  File destDir;
                  destDir = new File(destRoot.getPath()+File.separator+pkgNameF);
                  dest_filename = destRoot.getPath()+File.separator+pkgNameF+File.separator+src.getName();
                  dest = new File(dest_filename);
  
                  if (!destDir.isDirectory()) {
                      if (!destDir.mkdirs()) {
                         Log.error("Error: The copier could not create the directory "+
                                             destDir.getPath());
                          return false;
                      }
                  }
  
                  Set<URI> as = packageArtifacts.get(pkgName);
                  if (as == null) {
                      as = new HashSet<>();
                      packageArtifacts.put(pkgName, as);
                  }
                  as.add(dest.toURI());
  
                  if (dest.exists() && dest.lastModified() > src.lastModified()) {
                      // A copied file exists, and its timestamp is newer than the source.
                      continue;
                  }
  
                  Log.info("Copying "+pkgNameF+File.separator+src.getName());
  
                  try (InputStream fin = new FileInputStream(src);
                       OutputStream fout = new FileOutputStream(dest)) {
                      byte[] buf = new byte[1024];
                      int len;
                      while ((len = fin.read(buf)) > 0){
                          fout.write(buf, 0, len);
                      }
                  }
                  catch(IOException e){
                      Log.error("Could not copy the file "+src.getPath()+" to "+dest.getPath());
                      rc = false;
                  }
              }
          }
          return rc;
      }
  }
  