1 /*

     2  * Copyright (c) 2012, 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.*;

    29 import java.net.URI;

    30 import java.util.Set;

    31 import java.util.HashSet;

    32 import java.util.Map;

    33 

    34 /**

    35  * The copy file transform simply copies a matching file from -src to -d .

    36  * Such files are typically images, xml documents and other data files.

    37  *

    38  * <p><b>This is NOT part of any supported API.

    39  * If you write code that depends on this, you do so at your own

    40  * risk.  This code and its internal interfaces are subject to change

    41  * or deletion without notice.</b></p>

    42  */

    43 public class CopyFile implements Transformer {

    44 

    45     public void setExtra(String e) {

    46     }

    47 

    48     public void setExtra(String[] a) {

    49     }

    50 

    51     public boolean transform(Map<String,Set<URI>> pkgSrcs,

    52                              Set<URI> visibleSrcs,

    53                              Map<URI,Set<String>> visibleClasses,

    54                              Map<String,Set<String>> oldPackageDependents,

    55                              URI destRoot,

    56                              Map<String,Set<URI>>    packageArtifacts,

    57                              Map<String,Set<String>> packageDependencies,

    58                              Map<String,String>      packagePubapis,

    59                              int debugLevel,

    60                              boolean incremental,

    61                              int numCores,

    62                              PrintStream out,

    63                              PrintStream err)

    64     {

    65         boolean rc = true;

    66         String dest_filename;

    67         File dest;

    68 

    69         for (String pkgName : pkgSrcs.keySet()) {

    70             String pkgNameF = Util.toFileSystemPath(pkgName);

    71             for (URI u : pkgSrcs.get(pkgName)) {

    72                 File src = new File(u);

    73                 File destDir;

    74                 destDir = new File(destRoot.getPath()+File.separator+pkgNameF);

    75                 dest_filename = destRoot.getPath()+File.separator+pkgNameF+File.separator+src.getName();

    76                 dest = new File(dest_filename);

    77 

    78                 if (!destDir.isDirectory()) {

    79                     if (!destDir.mkdirs()) {

    80                        Log.error("Error: The copier could not create the directory "+

    81                                            destDir.getPath());

    82                         return false;

    83                     }

    84                 }

    85 

    86                 Set<URI> as = packageArtifacts.get(pkgName);

    87                 if (as == null) {

    88                     as = new HashSet<URI>();

    89                     packageArtifacts.put(pkgName, as);

    90                 }

    91                 as.add(dest.toURI());

    92 

    93                 if (dest.exists() && dest.lastModified() > src.lastModified()) {

    94                     // A copied file exists, and its timestamp is newer than the source.

    95                     continue;

    96                 }

    97 

    98                 Log.info("Copying "+pkgNameF+File.separator+src.getName());

    99 

   100                 try (InputStream fin = new FileInputStream(src);

   101                      OutputStream fout = new FileOutputStream(dest)) {

   102                     byte[] buf = new byte[1024];

   103                     int len;

   104                     while ((len = fin.read(buf)) > 0){

   105                         fout.write(buf, 0, len);

   106                     }

   107                 }

   108                 catch(IOException e){

   109                     Log.error("Could not copy the file "+src.getPath()+" to "+dest.getPath());

   110                     rc = false;

   111                 }

   112             }

   113         }

   114         return rc;

   115     }

   116 }