1 /*
   2  * Copyright (c) 2012, 2014, 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.sjavac;
  27 
  28 import java.io.File;
  29 import java.io.FileInputStream;
  30 import java.io.FileOutputStream;
  31 import java.io.IOException;
  32 import java.io.InputStream;
  33 import java.io.OutputStream;
  34 import java.io.PrintStream;
  35 import java.net.URI;
  36 import java.util.HashSet;
  37 import java.util.Map;
  38 import java.util.Set;
  39 
  40 import com.sun.tools.sjavac.options.Options;
  41 import com.sun.tools.sjavac.pubapi.PubApi;
  42 import com.sun.tools.sjavac.server.Sjavac;
  43 
  44 /**
  45  * The copy file transform simply copies a matching file from -src to -d .
  46  * Such files are typically images, xml documents and other data files.
  47  *
  48  *  <p><b>This is NOT part of any supported API.
  49  *  If you write code that depends on this, you do so at your own risk.
  50  *  This code and its internal interfaces are subject to change or
  51  *  deletion without notice.</b>
  52  */
  53 public class CopyFile implements Transformer {
  54 
  55     public void setExtra(String e) {
  56     }
  57 
  58     public void setExtra(Options a) {
  59     }
  60 
  61     public boolean transform(Sjavac sjavac,
  62                              Map<String,Set<URI>> pkgSrcs,
  63                              Set<URI> visibleSrcs,
  64                              Map<URI,Set<String>> visibleClasses,
  65                              Map<String,Set<String>> oldPackageDependents,
  66                              URI destRoot,
  67                              Map<String,Set<URI>>    packageArtifacts,
  68                              Map<String,Map<String, Set<String>>> packageDependencies,
  69                              Map<String,Map<String, Set<String>>> packageCpDependencies,
  70                              Map<String, PubApi> packagePubapis,
  71                              Map<String, PubApi> dependencyPubapis,
  72                              int debugLevel,
  73                              boolean incremental,
  74                              int numCores,
  75                              PrintStream out,
  76                              PrintStream err)
  77     {
  78         boolean rc = true;
  79         String dest_filename;
  80         File dest;
  81 
  82         for (String pkgName : pkgSrcs.keySet()) {
  83             String pkgNameF = Util.toFileSystemPath(pkgName);
  84             for (URI u : pkgSrcs.get(pkgName)) {
  85                 File src = new File(u);
  86                 File destDir;
  87                 destDir = new File(destRoot.getPath()+File.separator+pkgNameF);
  88                 dest_filename = destRoot.getPath()+File.separator+pkgNameF+File.separator+src.getName();
  89                 dest = new File(dest_filename);
  90 
  91                 if (!destDir.isDirectory()) {
  92                     if (!destDir.mkdirs()) {
  93                        Log.error("Error: The copier could not create the directory "+
  94                                            destDir.getPath());
  95                         return false;
  96                     }
  97                 }
  98 
  99                 Set<URI> as = packageArtifacts.get(pkgName);
 100                 if (as == null) {
 101                     as = new HashSet<>();
 102                     packageArtifacts.put(pkgName, as);
 103                 }
 104                 as.add(dest.toURI());
 105 
 106                 if (dest.exists() && dest.lastModified() > src.lastModified()) {
 107                     // A copied file exists, and its timestamp is newer than the source.
 108                     continue;
 109                 }
 110 
 111                 Log.info("Copying "+pkgNameF+File.separator+src.getName());
 112 
 113                 try (InputStream fin = new FileInputStream(src);
 114                      OutputStream fout = new FileOutputStream(dest)) {
 115                     byte[] buf = new byte[1024];
 116                     int len;
 117                     while ((len = fin.read(buf)) > 0){
 118                         fout.write(buf, 0, len);
 119                     }
 120                 }
 121                 catch(IOException e){
 122                     Log.error("Could not copy the file "+src.getPath()+" to "+dest.getPath());
 123                     rc = false;
 124                 }
 125             }
 126         }
 127         return rc;
 128     }
 129 }