1 /*

     2  * Copyright 2006 Sun Microsystems, Inc.  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.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 

    26 package com.sun.codemodel.internal.writer;

    27 

    28 import java.io.File;

    29 import java.io.FileOutputStream;

    30 import java.io.IOException;

    31 import java.io.OutputStream;

    32 import java.util.HashSet;

    33 import java.util.Set;

    34 

    35 import com.sun.codemodel.internal.CodeWriter;

    36 import com.sun.codemodel.internal.JPackage;

    37 

    38 /**

    39  * Writes all the source files under the specified file folder.

    40  *

    41  * @author

    42  *      Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)

    43  */

    44 public class FileCodeWriter extends CodeWriter {

    45 

    46     /** The target directory to put source code. */

    47     private final File target;

    48 

    49     /** specify whether or not to mark the generated files read-only */

    50     private final boolean readOnly;

    51 

    52     /** Files that shall be marked as read only. */

    53     private final Set<File> readonlyFiles = new HashSet<File>();

    54 

    55     public FileCodeWriter( File target ) throws IOException {

    56         this(target,false);

    57     }

    58 

    59     public FileCodeWriter( File target, boolean readOnly ) throws IOException {

    60         this.target = target;

    61         this.readOnly = readOnly;

    62         if(!target.exists() || !target.isDirectory())

    63             throw new IOException(target + ": non-existent directory");

    64     }

    65 

    66 

    67     public OutputStream openBinary(JPackage pkg, String fileName) throws IOException {

    68         return new FileOutputStream(getFile(pkg,fileName));

    69     }

    70 

    71     protected File getFile(JPackage pkg, String fileName ) throws IOException {

    72         File dir;

    73         if(pkg.isUnnamed())

    74             dir = target;

    75         else

    76             dir = new File(target, toDirName(pkg));

    77 

    78         if(!dir.exists())   dir.mkdirs();

    79 

    80         File fn = new File(dir,fileName);

    81 

    82         if (fn.exists()) {

    83             if (!fn.delete())

    84                 throw new IOException(fn + ": Can't delete previous version");

    85         }

    86 

    87 

    88         if(readOnly)        readonlyFiles.add(fn);

    89         return fn;

    90     }

    91 

    92     public void close() throws IOException {

    93         // mark files as read-onnly if necessary

    94         for (File f : readonlyFiles)

    95             f.setReadOnly();

    96     }

    97 

    98     /** Converts a package name to the directory name. */

    99     private static String toDirName( JPackage pkg ) {

   100         return pkg.name().replace('.',File.separatorChar);

   101     }

   102 

   103 }