/**
   * Assumes that all of the parents of c have been registered already.
   *
   * @param c
   */
  @SuppressWarnings("unchecked")
  private <T> Node registerClass(final Class<T> c) throws ClassHierarchyException {
    if (c.isArray()) {
      throw new UnsupportedOperationException("Can't register array types");
    }
    try {
      return getAlreadyBoundNode(c);
    } catch (final NameResolutionException e) {
      // node not bound yet
    }

    final Node n = buildPathToNode(c);

    if (n instanceof ClassNode) {
      final ClassNode<T> cn = (ClassNode<T>) n;
      final Class<T> superclass = (Class<T>) c.getSuperclass();
      if (superclass != null) {
        try {
          ((ClassNode<T>) getAlreadyBoundNode(superclass)).putImpl(cn);
        } catch (final NameResolutionException e) {
          throw new IllegalStateException(e);
        }
      }
      for (final Class<?> interf : c.getInterfaces()) {
        try {
          ((ClassNode<T>) getAlreadyBoundNode(interf)).putImpl(cn);
        } catch (final NameResolutionException e) {
          throw new IllegalStateException(e);
        }
      }
    }
    return n;
  }
  private <T, U> Node buildPathToNode(final Class<U> clazz) throws ClassHierarchyException {
    final String[] path = clazz.getName().split("\\$");

    Node root = namespace;
    for (int i = 0; i < path.length - 1; i++) {
      root = root.get(path[i]);
    }

    if (root == null) {
      throw new NullPointerException();
    }
    final Node parent = root;

    final Type argType = ReflectionUtilities.getNamedParameterTargetOrNull(clazz);

    if (argType == null) {
      return JavaNodeFactory.createClassNode(parent, clazz);
    } else {

      // checked inside of NamedParameterNode, using reflection.
      @SuppressWarnings("unchecked")
      final NamedParameterNode<T> np =
          JavaNodeFactory.createNamedParameterNode(
              parent, (Class<? extends Name<T>>) clazz, argType);

      if (parameterParser.canParse(ReflectionUtilities.getFullName(argType))
          && clazz.getAnnotation(NamedParameter.class).default_class() != Void.class) {
        throw new ClassHierarchyException(
            "Named parameter "
                + ReflectionUtilities.getFullName(clazz)
                + " defines default implementation for parsable type "
                + ReflectionUtilities.getFullName(argType));
      }

      final String shortName = np.getShortName();
      if (shortName != null) {
        final NamedParameterNode<?> oldNode = shortNames.get(shortName);
        if (oldNode != null) {
          if (oldNode.getFullName().equals(np.getFullName())) {
            throw new IllegalStateException(
                "Tried to double bind " + oldNode.getFullName() + " to short name " + shortName);
          }
          throw new ClassHierarchyException(
              "Named parameters "
                  + oldNode.getFullName()
                  + " and "
                  + np.getFullName()
                  + " have the same short name: "
                  + shortName);
        }
        shortNames.put(shortName, np);
      }
      return np;
    }
  }
Exemple #3
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 private void processDefaultAnnotation(final Class<?> cmb) {
   final DefaultImplementation di = cmb.getAnnotation(DefaultImplementation.class);
   // XXX hack: move to helper method + unify with rest of Tang!
   if (di != null) {
     final String diName =
         di.value() == Void.class ? di.name() : ReflectionUtilities.getFullName(di.value());
     final ClassNode<?> cn = (ClassNode<?>) ch.getNode(cmb);
     final String cnS = cn.getFullName();
     if (!usages.contains(diName, cnS)) {
       usages.put(diName, cnS);
       if (!knownClasses.contains(cn)) {
         knownClasses.add(cn);
       }
     }
   }
 }
Exemple #4
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 private void processConfigurationModules(final Class<?> cmb) {
   for (final Field f : cmb.getFields()) {
     if (ReflectionUtilities.isCoercable(ConfigurationModule.class, f.getType())) {
       final int mod = f.getModifiers();
       boolean ok = true;
       if (Modifier.isPrivate(mod)) {
         System.err.println("Found private ConfigurationModule " + f);
         ok = false;
       }
       if (!Modifier.isFinal(mod)) {
         System.err.println("Found non-final ConfigurationModule " + f);
         ok = false;
       }
       if (!Modifier.isStatic(f.getModifiers())) {
         System.err.println("Found non-static ConfigurationModule " + f);
         ok = false;
       }
       if (ok) {
         //          System.err.println("OK: " + f);
         try {
           f.setAccessible(true);
           final String fS = ReflectionUtilities.getFullName(f);
           if (!modules.containsKey(f)) {
             modules.put(f, (ConfigurationModule) (f.get(null)));
             try {
               modules.get(f).assertStaticClean();
             } catch (final ClassHierarchyException e) {
               System.err.println(fS + ": " + e.getMessage());
             }
             for (final Entry<String, String> e : modules.get(f).toStringPairs()) {
               // System.err.println("e: " + e.getKey() + "=" + e.getValue());
               try {
                 final Node n = ch.getNode(e.getKey());
                 if (!setters.contains(e.getKey(), fS)) {
                   setters.put(e.getKey(), fS);
                 }
                 if (n instanceof ClassNode) {
                   final ClassNode<?> cn = (ClassNode<?>) n;
                   if (!knownClasses.contains(cn)) {
                     knownClasses.add(cn);
                   }
                 }
               } catch (final NameResolutionException ex) {
                 //
               }
               try {
                 final String s = e.getValue();
                 final Node n = ch.getNode(s);
                 if (!usages.contains(ReflectionUtilities.getFullName(f), s)) {
                   //  System.err.println("Added usage: " + ReflectionUtilities.getFullName(f) +
                   // "=" + s);
                   usages.put(s, ReflectionUtilities.getFullName(f));
                 }
                 if (n instanceof ClassNode) {
                   final ClassNode<?> cn = (ClassNode<?>) n;
                   if (!knownClasses.contains(cn)) {
                     System.err.println("Added " + cn + " to known classes");
                     knownClasses.add(cn);
                   }
                 }
               } catch (final NameResolutionException ex) {
                 //
               }
             }
           }
         } catch (final ExceptionInInitializerError e) {
           System.err.println(
               "Field " + ReflectionUtilities.getFullName(f) + ": " + e.getCause().getMessage());
         } catch (final IllegalAccessException e) {
           throw new RuntimeException(e);
         }
       }
     }
   }
 }
Exemple #5
0
  /**
   * @param args
   * @throws FileNotFoundException
   * @throws MalformedURLException
   */
  public static void main(final String[] args)
      throws FileNotFoundException, MalformedURLException, UnsupportedEncodingException {
    int i = 0;
    String doc = null;
    String jar = null;
    boolean tangTests = false;
    while (i < args.length) {
      if (args[i].equals("--doc")) {
        i++;
        doc = args[i];
      } else if (args[i].equals("--jar")) {
        i++;
        jar = args[i];
      } else if (args[i].equals("--tang-tests")) {
        tangTests = true;
      }

      i++;
    }

    final Tint t;
    if (jar != null) {
      final File f = new File(jar);
      if (!f.exists()) {
        throw new FileNotFoundException(jar);
      }
      t = new Tint(new URL[] {f.toURI().toURL()}, tangTests);
    } else {
      t = new Tint(new URL[0], tangTests);
    }

    if (doc != null) {
      try (final PrintStream out = new PrintStream(doc, "UTF-8")) {
        out.println("<html><head><title>TangDoc</title>");

        out.println("<style>");
        out.println(
            "body { font-family: 'Segoe UI', 'Comic Sans MS'; font-size:12pt; font-weight: 200; "
                + "margin: 1em; column-count: 2; }");
        out.println(".package { font-size:18pt; font-weight: 500; column-span: all; }");
        //      out.println(".class { break-after: never; }");
        //      out.println(".doc { break-before: never; }");
        out.println(".decl-margin { padding: 8pt; break-inside: avoid; }");
        out.println(".module-margin { padding: 8pt; column-span: all; break-inside: avoid; }");
        out.println(".decl { background-color: aliceblue; padding: 6pt;}");
        out.println(".fullName { font-size: 11pt; font-weight: 400; }");
        out.println(".simpleName { font-size: 11pt; font-weight: 400; }");
        out.println(".constructorArg { padding-left: 16pt; }");
        out.println("." + SETTERS + " { padding-top: 6pt; font-size: 10pt; }");
        out.println("." + USES + " { padding-top: 6pt; font-size: 10pt; }");
        out.println("pre { font-size: 10pt; }");
        out.println("</style>");

        out.println("</head><body>");

        String currentPackage = "";
        for (final Node n : t.getNamesUsedAndSet()) {
          final String fullName = n.getFullName();
          final String[] tok = fullName.split("\\.");
          final StringBuffer sb = new StringBuffer(tok[0]);
          for (int j = 1; j < tok.length; j++) {
            if (tok[j].matches("^[A-Z].*") || j > 4) {
              break;
            } else {
              sb.append("." + tok[j]);
            }
          }
          final String pack = sb.toString();
          if (!currentPackage.equals(pack)) {
            currentPackage = pack;
            out.println(t.endPackage());
            out.println(t.startPackage(currentPackage));
          }
          if (n instanceof NamedParameterNode<?>) {
            out.println(t.toHtmlString((NamedParameterNode<?>) n, currentPackage));
          } else if (n instanceof ClassNode<?>) {
            out.println(t.toHtmlString((ClassNode<?>) n, currentPackage));
          } else {
            throw new IllegalStateException();
          }
        }
        out.println("</div>");
        out.println(t.endPackage());
        out.println("<div class='package'>Module definitions</div>");
        for (final Field f : t.modules.keySet()) {
          final String moduleName = ReflectionUtilities.getFullName(f);
          //        String declaringClassName =
          // ReflectionUtilities.getFullName(f.getDeclaringClass());
          out.println(
              "<div class='module-margin' id='"
                  + moduleName
                  + "'><div class='decl'><span class='fullName'>"
                  + moduleName
                  + "</span>");
          out.println("<pre>");
          final String conf = t.modules.get(f).toPrettyString();
          final String[] tok = conf.split("\n");
          for (final String line : tok) {
            out.println(stripPrefix(line, "no.such.prefix")); // t.modules.get(f).toPrettyString());
          }
          //        List<Entry<String,String>> lines = t.modules.get(f).toStringPairs();
          //        for(Entry<String,String> line : lines) {
          //          String k = t.stripPrefix(line.getKey(), declaringClassName);
          //          String v = t.stripPrefix(line.getValue(), declaringClassName);
          //          out.println(k+"="+v);
          //        }
          out.println("</pre>");
          out.println("</div></div>");
        }

        out.println("<div class='package'>Interfaces and injectable classes</div>");
        for (final ClassNode<?> c : t.knownClasses) {
          if (t.classFilter(tangTests, c.getFullName())) {
            Class<?> clz = null;
            try {
              clz = t.ch.classForName(c.getFullName());
            } catch (final ClassNotFoundException e) {
              // TODO[JIRA REEF-864] Clarify handling in this case
              e.printStackTrace();
            }
            final String typ =
                clz == null ? "undefined" : clz.isInterface() ? "interface" : "class";
            out.println(
                "<div class='module-margin' id='"
                    + c.getFullName()
                    + "'><div class='decl'>"
                    + "<span class='fullName'>"
                    + typ
                    + " "
                    + c.getFullName()
                    + "</span>");
            for (final ConstructorDef<?> d : c.getInjectableConstructors()) {
              out.println("<div class='uses'>" + c.getFullName() + "(");
              for (final ConstructorArg a : d.getArgs()) {
                if (a.getNamedParameterName() != null) {
                  out.print(
                      "<div class='constructorArg'><a href='#"
                          + a.getType()
                          + "'>"
                          + stripPrefix(a.getType(), "xxx")
                          + "</a> <a href='#"
                          + a.getNamedParameterName()
                          + "'>"
                          + a.getNamedParameterName()
                          + "</a></div>");
                } else {
                  out.print(
                      "<div class='constructorArg'><a href='#"
                          + a.getType()
                          + "'>"
                          + stripPrefix(a.getType(), "xxx")
                          + "</a></div>");
                }
              }
              out.println(")</div>");
            }
            out.println("</div></div>");
          }
          /*
          out.println("<h1>Default usage of classes and constants</h1>");
          for(String s : t.usages.keySet()) {
            out.println("<h2>" + s + "</h2>");
            for(Node n : t.usages.getValuesForKey(s)) {
              out.println("<p>" + n.getFullName() + "</p>");
            }
          } */
        }
        out.println("</body></html>");
      }
    }
  }
  private Node register(final String s) {
    final Class<?> c;
    try {
      c = classForName(s);
    } catch (final ClassNotFoundException e1) {
      return null;
    }
    try {
      final Node n = getAlreadyBoundNode(c);
      return n;
    } catch (final NameResolutionException e) {
      // node not bound yet
    }
    // First, walk up the class hierarchy, registering all out parents. This
    // can't be loopy.
    if (c.getSuperclass() != null) {
      register(ReflectionUtilities.getFullName(c.getSuperclass()));
    }
    for (final Class<?> i : c.getInterfaces()) {
      register(ReflectionUtilities.getFullName(i));
    }
    // Now, we'd like to register our enclosing classes. This turns out to be
    // safe.
    // Thankfully, Java doesn't allow:
    // class A implements A.B { class B { } }

    // It also doesn't allow cycles such as:
    // class A implements B.BB { interface AA { } }
    // class B implements A.AA { interface BB { } }

    // So, even though grafting arbitrary DAGs together can give us cycles, Java
    // seems
    // to have our back on this one.
    final Class<?> enclosing = c.getEnclosingClass();
    if (enclosing != null) {
      register(ReflectionUtilities.getFullName(enclosing));
    }

    // Now register the class. This has to be after the above so we know our
    // parents (superclasses and enclosing packages) are already registered.
    final Node n = registerClass(c);

    // Finally, do things that might introduce cycles that invlove c.
    // This has to be below registerClass, which ensures that any cycles
    // this stuff introduces are broken.
    for (final Class<?> innerClass : c.getDeclaredClasses()) {
      register(ReflectionUtilities.getFullName(innerClass));
    }
    if (n instanceof ClassNode) {
      final ClassNode<?> cls = (ClassNode<?>) n;
      for (final ConstructorDef<?> def : cls.getInjectableConstructors()) {
        for (final ConstructorArg arg : def.getArgs()) {
          register(arg.getType());
          if (arg.getNamedParameterName() != null) {
            final NamedParameterNode<?> np =
                (NamedParameterNode<?>) register(arg.getNamedParameterName());
            try {
              // TODO: When handling sets, need to track target of generic parameter, and check the
              // type here!
              if (!np.isSet()
                  && !np.isList()
                  && !ReflectionUtilities.isCoercable(
                      classForName(arg.getType()), classForName(np.getFullArgName()))) {
                throw new ClassHierarchyException(
                    "Named parameter type mismatch in "
                        + cls.getFullName()
                        + ".  Constructor expects a "
                        + arg.getType()
                        + " but "
                        + np.getName()
                        + " is a "
                        + np.getFullArgName());
              }
            } catch (final ClassNotFoundException e) {
              throw new ClassHierarchyException(
                  "Constructor refers to unknown class " + arg.getType(), e);
            }
          }
        }
      }
    } else if (n instanceof NamedParameterNode) {
      final NamedParameterNode<?> np = (NamedParameterNode<?>) n;
      register(np.getFullArgName());
    }
    return n;
  }