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 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 

    33 /** Subclass to Resolve that overrides collect.

    34  *

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

    36  *  If you write code that depends on this, you do so at your own risk.

    37  *  This code and its internal interfaces are subject to change or

    38  *  deletion without notice.</b>

    39  */

    40 public class JavaCompilerWithDeps extends JavaCompiler {

    41 

    42     /** The dependency database

    43      */

    44     protected Dependencies deps;

    45     protected SjavacErrorHandler errorHandler;

    46 

    47     public JavaCompilerWithDeps(Context context, SjavacErrorHandler eh) {

    48         super(context);

    49         deps = Dependencies.instance(context);

    50         errorHandler = eh;

    51         needRootClasses = true;

    52     }

    53 

    54     public static void preRegister(Context context, final SjavacErrorHandler eh) {

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

    56             public JavaCompiler make(Context c) {

    57                 JavaCompiler instance = new JavaCompilerWithDeps(c, eh);

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

    59                 return instance;

    60             }

    61         });

    62     }

    63 

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

    65      * @param sym The class to visit.

    66      */

    67     @Override

    68     public void reportPublicApi(ClassSymbol sym) {

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

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

    71         // of the auxiliary class warning.

    72 

    73         // For example if sun.swing.BeanInfoUtils

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

    75 

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

    77         // since this is checked earlier.

    78         if (sym.sourcefile != null) {

    79             // Rewrite sun.swing.BeanInfoUtils into /sun/swing/

    80             StringBuilder pathb = new StringBuilder();

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

    82             boolean first = true;

    83             while (qn.hasMoreTokens()) {

    84                 String o = qn.nextToken();

    85                 pathb.append("/");

    86                 pathb.append(o);

    87                 first = false;

    88             }

    89             pathb.append("/");

    90             String path = pathb.toString();

    91 

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

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

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

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

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

    97 

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

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

   100                 errorHandler.logError("Error: The source file "+sym.sourcefile.getName()+

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

   102                                         sym.getQualifiedName());

   103             }

   104         }

   105         deps.visitPubapi(sym);

   106     }

   107 }