コード例 #1
0
ファイル: ProxyCreator.java プロジェクト: epuidokas/gwt-2.4
 protected void generateCheckRpcTokenTypeOverride(
     SourceWriter srcWriter, TypeOracle typeOracle, SerializableTypeOracle typesSentFromBrowser) {
   JClassType rpcTokenType = typeOracle.findType(RpcToken.class.getName());
   JClassType[] rpcTokenSubtypes = rpcTokenType.getSubtypes();
   String rpcTokenImplementation = "";
   for (JClassType rpcTokenSubtype : rpcTokenSubtypes) {
     if (typesSentFromBrowser.isSerializable(rpcTokenSubtype)) {
       if (rpcTokenImplementation.length() > 0) {
         // >1 implematation of RpcToken, bail
         rpcTokenImplementation = "";
         break;
       } else {
         rpcTokenImplementation = rpcTokenSubtype.getQualifiedSourceName();
       }
     }
   }
   if (rpcTokenImplementation.length() > 0) {
     srcWriter.println("@Override");
     srcWriter.println("protected void checkRpcTokenType(RpcToken token) {");
     srcWriter.indent();
     srcWriter.println("if (!(token instanceof " + rpcTokenImplementation + ")) {");
     srcWriter.indent();
     srcWriter.println(
         "throw new RpcTokenException(\"Invalid RpcToken type: "
             + "expected '"
             + rpcTokenImplementation
             + "' but got '\" + "
             + "token.getClass() + \"'\");");
     srcWriter.outdent();
     srcWriter.println("}");
     srcWriter.outdent();
     srcWriter.println("}");
   }
 }
コード例 #2
0
  /*
   * Create a field serializer for a type if it does not have a custom
   * serializer.
   */
  private void createFieldSerializer(TreeLogger logger, GeneratorContextExt ctx, JType type) {
    Event event = SpeedTracerLogger.start(CompilerEventType.GENERATOR_RPC_FIELD_SERIALIZER);
    try {
      assert (type != null);
      assert (serializationOracle.isSerializable(type)
          || deserializationOracle.isSerializable(type));

      JParameterizedType parameterizedType = type.isParameterized();
      if (parameterizedType != null) {
        createFieldSerializer(logger, ctx, parameterizedType.getRawType());
        return;
      }

      /*
       * Only a JClassType can reach this point in the code. JPrimitives have been
       * removed because their serialization is built in, interfaces have been
       * removed because they are not an instantiable type and parameterized types
       * have been broken down into their raw types.
       */
      assert (type.isClass() != null || type.isArray() != null);

      if (findCacheableFieldSerializerAndMarkForReuseIfAvailable(ctx, type)) {
        // skip generation of field serializer
        return;
      }

      JClassType customFieldSerializer =
          SerializableTypeOracleBuilder.findCustomFieldSerializer(typeOracle, type);
      FieldSerializerCreator creator =
          new FieldSerializerCreator(
              context,
              serializationOracle,
              deserializationOracle,
              (JClassType) type,
              customFieldSerializer);
      creator.realize(logger, ctx);
    } finally {
      event.end();
    }
  }
コード例 #3
0
ファイル: ProxyCreator.java プロジェクト: epuidokas/gwt-2.4
  protected String writeSerializationPolicyFile(
      TreeLogger logger,
      GeneratorContextExt ctx,
      SerializableTypeOracle serializationSto,
      SerializableTypeOracle deserializationSto)
      throws UnableToCompleteException {
    try {
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      OutputStreamWriter osw =
          new OutputStreamWriter(
              baos, SerializationPolicyLoader.SERIALIZATION_POLICY_FILE_ENCODING);
      TypeOracle oracle = ctx.getTypeOracle();
      PrintWriter pw = new PrintWriter(osw);

      JType[] serializableTypes =
          unionOfTypeArrays(
              serializationSto.getSerializableTypes(),
              deserializationSto.getSerializableTypes(),
              new JType[] {serviceIntf});

      for (int i = 0; i < serializableTypes.length; ++i) {
        JType type = serializableTypes[i];
        String binaryTypeName = SerializationUtils.getRpcTypeName(type);
        pw.print(binaryTypeName);
        pw.print(", " + Boolean.toString(deserializationSto.isSerializable(type)));
        pw.print(", " + Boolean.toString(deserializationSto.maybeInstantiated(type)));
        pw.print(", " + Boolean.toString(serializationSto.isSerializable(type)));
        pw.print(", " + Boolean.toString(serializationSto.maybeInstantiated(type)));
        pw.print(", " + typeStrings.get(type));

        /*
         * Include the serialization signature to bump the RPC file name if
         * obfuscated identifiers are used.
         */
        pw.print(", " + SerializationUtils.getSerializationSignature(oracle, type));
        pw.print('\n');

        /*
         * Emit client-side field information for classes that may be enhanced
         * on the server. Each line consists of a comma-separated list
         * containing the keyword '@ClientFields', the class name, and a list of
         * all potentially serializable client-visible fields.
         */
        if ((type instanceof JClassType) && ((JClassType) type).isEnhanced()) {
          JField[] fields = ((JClassType) type).getFields();
          JField[] rpcFields = new JField[fields.length];
          int numRpcFields = 0;
          for (JField f : fields) {
            if (f.isTransient() || f.isStatic() || f.isFinal()) {
              continue;
            }
            rpcFields[numRpcFields++] = f;
          }

          pw.print(SerializationPolicyLoader.CLIENT_FIELDS_KEYWORD);
          pw.print(',');
          pw.print(binaryTypeName);
          for (int idx = 0; idx < numRpcFields; idx++) {
            pw.print(',');
            pw.print(rpcFields[idx].getName());
          }
          pw.print('\n');
        }
      }

      // Closes the wrapped streams.
      pw.close();

      byte[] serializationPolicyFileContents = baos.toByteArray();
      String serializationPolicyName = Util.computeStrongName(serializationPolicyFileContents);

      String serializationPolicyFileName =
          SerializationPolicyLoader.getSerializationPolicyFileName(serializationPolicyName);
      OutputStream os = ctx.tryCreateResource(logger, serializationPolicyFileName);
      if (os != null) {
        os.write(serializationPolicyFileContents);
        GeneratedResource resource = ctx.commitResource(logger, os);

        /*
         * Record which proxy class created the resource. A manifest will be
         * emitted by the RpcPolicyManifestLinker.
         */
        emitPolicyFileArtifact(logger, ctx, resource.getPartialPath());
      } else {
        if (logger.isLoggable(TreeLogger.TRACE)) {
          logger.log(
              TreeLogger.TRACE,
              "SerializationPolicy file for RemoteService '"
                  + serviceIntf.getQualifiedSourceName()
                  + "' already exists; no need to rewrite it.",
              null);
        }
      }

      return serializationPolicyName;
    } catch (UnsupportedEncodingException e) {
      logger.log(
          TreeLogger.ERROR,
          SerializationPolicyLoader.SERIALIZATION_POLICY_FILE_ENCODING + " is not supported",
          e);
      throw new UnableToCompleteException();
    } catch (IOException e) {
      logger.log(TreeLogger.ERROR, null, e);
      throw new UnableToCompleteException();
    }
  }
コード例 #4
0
  /**
   * Write an entry in the methodMapNative for one type.
   *
   * @param type type to generate entry for
   */
  private void writeTypeMethodsNative(JType type) {
    srcWriter.indent();
    String serializerName = SerializationUtils.getFieldSerializerName(typeOracle, type);
    JClassType customSerializer =
        SerializableTypeOracleBuilder.findCustomFieldSerializer(typeOracle, type);

    // First the initialization method
    if (deserializationOracle.maybeInstantiated(type)) {
      srcWriter.print("@");
      if (customSerializer != null) {
        if (hasInstantiateMethod(customSerializer, type)) {
          srcWriter.print(serializerName);
        } else {
          srcWriter.print(SerializationUtils.getStandardSerializerName((JClassType) type));
        }
      } else {
        srcWriter.print(serializerName);
      }
      srcWriter.print("::instantiate");
      srcWriter.print("(L" + SerializationStreamReader.class.getName().replace('.', '/') + ";)");
    }
    srcWriter.println(",");

    // Now the deserialization method
    if (deserializationOracle.isSerializable(type)) {
      // Assume param type is the concrete type of the serialized type.
      JType paramType = type;
      if (customSerializer != null) {
        // But a custom serializer may specify a looser type.
        JMethod deserializationMethod =
            CustomFieldSerializerValidator.getDeserializationMethod(
                customSerializer, (JClassType) type);
        paramType = deserializationMethod.getParameters()[1].getType();
      }
      srcWriter.print("@" + serializerName);
      srcWriter.print(
          "::deserialize(L"
              + SerializationStreamReader.class.getName().replace('.', '/')
              + ";"
              + paramType.getJNISignature()
              + ")");
    }
    srcWriter.println(",");

    // Now the serialization method
    if (serializationOracle.isSerializable(type)) {
      // Assume param type is the concrete type of the serialized type.
      JType paramType = type;
      if (customSerializer != null) {
        // But a custom serializer may specify a looser type.
        JMethod serializationMethod =
            CustomFieldSerializerValidator.getSerializationMethod(
                customSerializer, (JClassType) type);
        paramType = serializationMethod.getParameters()[1].getType();
      }
      srcWriter.print("@" + serializerName);
      srcWriter.print(
          "::serialize(L"
              + SerializationStreamWriter.class.getName().replace('.', '/')
              + ";"
              + paramType.getJNISignature()
              + ")");
      srcWriter.println();
    }
    srcWriter.outdent();
  }