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
  37  * risk.  This code and its internal interfaces are subject to change
  38  * or deletion without notice.</b></p>
  39  */
  40 public class JavaCompilerWithDeps extends JavaCompiler {
  41 
  42     /** The dependency database
  43      */
  44     protected Dependencies deps;
  45     protected JavacServiceImpl javacService;
  46 
  47     public JavaCompilerWithDeps(Context context, JavacServiceImpl jsi) {
  48         super(context);
  49         deps = Dependencies.instance(context);
  50         javacService = jsi;
  51         needRootClasses = true;
  52     }
  53 
  54     public static void preRegister(Context context, final JavacServiceImpl t) {
  55         context.put(compilerKey, new Context.Factory<JavaCompiler>() {
  56             public JavaCompiler make(Context c) {
  57                 JavaCompiler instance = new JavaCompilerWithDeps(c, t);
  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                 javacService.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.visitPubapiOfSource(sym);
 106     }
 107 }