content: /*
   * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package openjdk.tools.sjavac;
  
  import java.io.IOException;
  import java.io.PrintWriter;
  import java.util.Arrays;
  
  import jdkx.tools.JavaCompiler.CompilationTask;
  import jdkx.tools.JavaFileManager;
  
  import openjdk.tools.javac.api.JavacTool;
  import openjdk.tools.javac.code.ClassFinder;
  import openjdk.tools.javac.code.Symbol.ClassSymbol;
  import openjdk.tools.javac.code.Symtab;
  import openjdk.tools.javac.main.JavaCompiler;
  import openjdk.tools.javac.util.Context;
  import openjdk.tools.javac.util.Convert;
  import openjdk.tools.javac.util.Name;
  import openjdk.tools.javac.util.Names;
  import openjdk.tools.sjavac.comp.PubapiVisitor;
  import openjdk.tools.sjavac.comp.SmartFileManager;
  import openjdk.tools.sjavac.options.Options;
  import openjdk.tools.sjavac.pubapi.PubApi;
  
  public class PubApiExtractor {
      // Setup a compiler context for finding classes in the classpath
      // and to execute annotation processors.
      final Context context;
      final CompilationTask task;
  
      final SmartFileManager fileManager;
  
      /**
       * Setup a compilation context, used for reading public apis of classes on the classpath
       * as well as annotation processors.
       */
      public PubApiExtractor(Options options) {
          JavacTool compiler = openjdk.tools.javac.api.JavacTool.create();
          fileManager = new SmartFileManager(compiler.getStandardFileManager(null, null, null));
          context = new openjdk.tools.javac.util.Context();
          String[] args = options.prepJavacArgs();
          task = compiler.getTask(new PrintWriter(System.err),
                                  fileManager,
                                  null,
                                  Arrays.asList(args),
                                  null,
                                  null,
                                  context);
          // Trigger a creation of the JavaCompiler, necessary to get a sourceCompleter for ClassFinder.
          // The sourceCompleter is used for build situations where a classpath class references other classes
          // that happens to be on the sourcepath.
          JavaCompiler.instance(context);
  
  //        context.put(JavaFileManager.class, fileManager);
      }
  
      public PubApi getPubApi(String fullyQualifiedClassName) {
          Symtab syms = Symtab.instance(context);
          ClassFinder cr = ClassFinder.instance(context);
          Names ns = Names.instance(context);
          Name n = ns.fromString(fullyQualifiedClassName);
          ClassSymbol cs = cr.loadClass(syms.inferModule(Convert.packagePart(n)), n);
          PubapiVisitor v = new PubapiVisitor();
          v.visit(cs);
          return v.getCollectedPubApi();
      }
  
      public void close() throws IOException {
          fileManager.close();
      }
  }
  