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 package com.sun.tools.sjavac.comp;

    26 

    27 import java.util.StringTokenizer;

    28 

    29 import com.sun.tools.javac.main.JavaCompiler;

    30 import com.sun.tools.javac.util.Context;

    31 import com.sun.tools.javac.code.Symbol.ClassSymbol;

    32 import com.sun.tools.sjavac.server.CompilerThread;

    33 import java.io.File;

    34 

    35 /** Subclass to Resolve that overrides collect.

    36  *

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

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

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

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

    41  */

    42 public class JavaCompilerWithDeps extends JavaCompiler {

    43 

    44     /** The dependency database

    45      */

    46     protected Dependencies deps;

    47     protected CompilerThread compilerThread;

    48 

    49     public JavaCompilerWithDeps(Context context, CompilerThread t) {

    50         super(context);

    51         deps = Dependencies.instance(context);

    52         compilerThread = t;

    53         needRootClasses = true;

    54     }

    55 

    56     public static void preRegister(Context context, final CompilerThread t) {

    57         context.put(compilerKey, new Context.Factory<JavaCompiler>() {

    58             public JavaCompiler make(Context c) {

    59                 JavaCompiler instance = new JavaCompilerWithDeps(c, t);

    60                 c.put(JavaCompiler.class, instance);

    61                 return instance;

    62             }

    63         });

    64     }

    65 

    66     /** Collect the public apis of classes supplied explicitly for compilation.

    67      * @param sym The class to visit.

    68      */

    69     @Override

    70     public void reportPublicApi(ClassSymbol sym) {

    71         // The next test will catch when source files are located in the wrong directory!

    72         // This ought to be moved into javac as a new warning, or perhaps as part

    73         // of the auxiliary class warning.

    74 

    75         // For example if sun.swing.BeanInfoUtils

    76         // is in fact stored in: /mybuild/jdk/gensrc/javax/swing/beaninfo/BeanInfoUtils.java

    77 

    78         // We do not need to test that BeanInfoUtils is stored in a file named BeanInfoUtils

    79         // since this is checked earlier.

    80         if (sym.sourcefile != null) {

    81             // Rewrite sun.swing.BeanInfoUtils into /sun/swing/

    82             StringBuilder pathb = new StringBuilder();

    83             StringTokenizer qn = new StringTokenizer(sym.packge().toString(), ".");

    84             boolean first = true;

    85             while (qn.hasMoreTokens()) {

    86                 String o = qn.nextToken();

    87                 pathb.append("/");

    88                 pathb.append(o);

    89                 first = false;

    90             }

    91             pathb.append("/");

    92             String path = pathb.toString();

    93 

    94             // Now cut the uri to be: file:///mybuild/jdk/gensrc/javax/swing/beaninfo/

    95             String p = sym.sourcefile.toUri().getPath();

    96             // Do not use File.separatorChar here, a URI always uses slashes /.

    97             int i = p.lastIndexOf("/");

    98             String pp = p.substring(0,i+1);

    99 

   100             // Now check if the truncated uri ends with the path. (It does not == failure!)

   101             if (path.length() > 0 && !path.equals("/unnamed package/") && !pp.endsWith(path)) {

   102                 compilerThread.logError("Error: The source file "+sym.sourcefile.getName()+

   103                                         " is located in the wrong package directory, because it contains the class "+

   104                                         sym.getQualifiedName());

   105             }

   106         }

   107         deps.visitPubapi(sym);

   108     }

   109 }