Package org.jboss.errai.codegen

Examples of org.jboss.errai.codegen.BlockStatement

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    if (_constructorsCache != null) return _constructorsCache;

    if (constructors.isEmpty()) {
      // add an empty no-arg constructor
      final BuildMetaConstructor buildMetaConstructor =
          new BuildMetaConstructor(this, new BlockStatement(), DefParameters.none());

      buildMetaConstructor.setScope(Scope.Public);
      return _constructorsCache = new MetaConstructor[]{buildMetaConstructor};
    }
    else {
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              .append(Stmt.loadVariable("this").invoke("proceed", Variable.get("interceptorCallback")))
              .finish();
  }

  private static Statement generateInterceptorStackProceedMethod(final Statement proceed, final InterceptedCall interceptedCall) {
    final BlockStatement proceedLogic = new BlockStatement();
    proceedLogic.addStatement(Stmt.loadVariable("status").invoke("proceed"));

    final BlockBuilder<ElseBlockBuilder> interceptorStack =
              If.isNotNull(Stmt.loadVariable("status").invoke("getNextInterceptor"));

    for (final Class<?> interceptor : interceptedCall.value()) {
      interceptorStack.append(If.cond(Bool.equals(
              Stmt.loadVariable("status").invoke("getNextInterceptor"), interceptor))
              .append(Stmt.loadVariable("status").invoke("setProceeding", false))
              .append(
                  Stmt.nestedCall(Stmt.newObject(interceptor))
                      .invoke("aroundInvoke", Variable.get("this")))
              .append(
                  If.not(Stmt.loadVariable("status").invoke("isProceeding"))
                      .append(
                          Stmt.loadVariable("remoteCallback").invoke("callback",
                              Stmt.loadVariable("this").invoke("getResult")))
                      .finish())
              .finish()
          );
    }
    proceedLogic.addStatement(interceptorStack.finish().else_().append(proceed).finish());
    return proceedLogic;
  }
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              .append(Stmt.loadVariable("this").invoke("proceed", Variable.get("interceptorCallback")))
              .finish();
  }

  private static Statement generateInterceptorStackProceedMethod(Statement proceed, InterceptedCall interceptedCall) {
    BlockStatement proceedLogic = new BlockStatement();
    proceedLogic.addStatement(Stmt.loadVariable("status").invoke("proceed"));

    BlockBuilder<ElseBlockBuilder> interceptorStack =
              If.isNotNull(Stmt.loadVariable("status").invoke("getNextInterceptor"));

    for (Class<?> interceptor : interceptedCall.value()) {
      interceptorStack.append(If.cond(Bool.equals(
              Stmt.loadVariable("status").invoke("getNextInterceptor"), interceptor))
              .append(Stmt.loadVariable("status").invoke("setProceeding", false))
              .append(
                  Stmt.nestedCall(Stmt.newObject(interceptor))
                      .invoke("aroundInvoke", Variable.get("this")))
              .append(
                  If.not(Stmt.loadVariable("status").invoke("isProceeding"))
                      .append(
                          Stmt.loadVariable("remoteCallback").invoke("callback",
                              Stmt.loadVariable("this").invoke("getResult")))
                      .finish())
              .finish()
          );
    }
    proceedLogic.addStatement(interceptorStack.finish().else_().append(proceed).finish());
    return proceedLogic;
  }
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              .append(Stmt.loadVariable("this").invoke("proceed", Variable.get("interceptorCallback")))
              .finish();
    }

    private static Statement generateInterceptorStackProceedMethod(Statement proceed, InterceptedCall interceptedCall) {
      BlockStatement proceedLogic = new BlockStatement();
      proceedLogic.addStatement(Stmt.loadVariable("status").invoke("proceed"));

      BlockBuilder<ElseBlockBuilder> interceptorStack =
              If.isNotNull(Stmt.loadVariable("status").invoke("getNextInterceptor"));

      for (Class<?> interceptor : interceptedCall.value()) {
          interceptorStack.append(If.cond(Bool.equals(
              Stmt.loadVariable("status").invoke("getNextInterceptor"), interceptor))
              .append(Stmt.loadVariable("status").invoke("setProceeding", false))
              .append(
                  Stmt.nestedCall(Stmt.newObject(interceptor))
                      .invoke("aroundInvoke", Variable.get("this")))
              .append(
                  If.not(Stmt.loadVariable("status").invoke("isProceeding"))
                      .append(
                          Stmt.loadVariable("remoteCallback").invoke("callback",
                              Stmt.loadVariable("this").invoke("getResult")))
                      .finish())
              .finish()
          );
      }
      proceedLogic.addStatement(interceptorStack.finish().else_().append(proceed).finish());
      return proceedLogic;
    }
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   * @param params
   *          the resource method's parameters
   * @return the URL statement
   */
  private Statement generateUrl(final JaxrsResourceMethodParameters params) {
    BlockStatement block = new BlockStatement();
    block.addStatement(Stmt.declareVariable("url", StringBuilder.class,
        Stmt.newObject(StringBuilder.class, new StringStatement("getBaseUrl()"))));

    // construct path using @PathParams and @MatrixParams
    String path = resourceMethod.getPath();
    ContextualStatementBuilder pathValue = Stmt.loadLiteral(path);

    for (String pathParamName : JaxrsResourceMethodParameters.getPathParameterNames(path)) {
      String pathParamId = pathParamName;
      if (pathParamName.contains(":")) {
        pathParamId = pathParamName.split(":")[0];
      }
      Statement pathParam = marshal(params.getPathParameter(pathParamId));
      if (params.needsEncoding(pathParamId)) {
        pathParam = encodePath(pathParam);
      }
      pathValue = pathValue.invoke("replace", "{" + pathParamName + "}", pathParam);
    }

    if (params.getMatrixParameters() != null) {
      for (String matrixParamName : params.getMatrixParameters().keySet()) {
        pathValue = pathValue.invoke("concat", ";" + matrixParamName + "=")
            .invoke("concat", encodePath(marshal(params.getMatrixParameter(matrixParamName))));
      }
    }
    ContextualStatementBuilder urlBuilder = Stmt.loadVariable("url").invoke(APPEND, pathValue);

    // construct query using @QueryParams
    if (params.getQueryParameters() != null) {
      urlBuilder = urlBuilder.invoke(APPEND, "?");

      int i = 0;
      for (String queryParamName : params.getQueryParameters().keySet()) {
        for (Statement queryParam : params.getQueryParameters(queryParamName)) {
          if (i++ > 0)
            urlBuilder = urlBuilder.invoke(APPEND, "&");

          urlBuilder = urlBuilder.invoke(APPEND, queryParamName).invoke(APPEND, "=")
              .invoke(APPEND, encodeQuery(marshal(queryParam)));
        }
      }
    }

    if (urlBuilder != null)
      block.addStatement(urlBuilder);

    return block;
  }
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   * @param params
   *          the resource method's parameters
   * @return a block statement with the corresponding calls to {@link RequestBuilder#setHeader(String, String)}
   */
  private Statement generateHeaders(final JaxrsResourceMethodParameters params) {
    BlockStatement block = new BlockStatement();

    // set headers based on method and class
    for (String key : resourceMethod.getHeaders().keySet()) {
      block.addStatement(Stmt.loadVariable("requestBuilder").invoke("setHeader", key,
          resourceMethod.getHeaders().get(key)));
    }

    // set headers based on @HeaderParams
    if (params.getHeaderParameters() != null) {
      for (String headerParamName : params.getHeaderParameters().keySet()) {
        ContextualStatementBuilder headerValueBuilder = Stmt.nestedCall(Stmt.newObject(StringBuilder.class));

        int i = 0;
        for (Statement headerParam : params.getHeaderParameters(headerParamName)) {
          if (i++ > 0) {
            headerValueBuilder = headerValueBuilder.invoke(APPEND, ",");
          }
          headerValueBuilder = headerValueBuilder.invoke(APPEND, marshal(headerParam));
        }

        block.addStatement(Stmt.loadVariable("requestBuilder").invoke("setHeader", headerParamName,
            headerValueBuilder.invoke("toString")));
      }
    }

    // set cookies based on @CookieParams
    if (params.getCookieParameters() != null) {
      for (String cookieName : params.getCookieParameters().keySet()) {
        Statement cookieParam = params.getCookieParameters().get(cookieName).get(0);

        ContextualStatementBuilder setCookie = (cookieParam instanceof Parameter) ?
            Stmt.loadVariable(((Parameter) cookieParam).getName()) :
              Stmt.nestedCall(cookieParam);

        setCookie.if_(BooleanOperator.NotEquals, null)
            .append(Stmt.invokeStatic(Cookies.class, "setCookie", cookieName, marshal(cookieParam)))
            .finish();

        block.addStatement(setCookie);
      }
    }
    return block.isEmpty() ? null : block;
  }
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    injectionContext.mapElementType(WiringElementType.ProducerElement, Produces.class);

  }

  public static void addTypeHeirarchyFor(IOCProcessingContext context, final Set<MetaClass> classes) {
    final BlockStatement instanceInitializer = context.getBootstrapClass().getInstanceInitializer();

    for (final MetaClass subClass : classes) {
      MetaClass cls = subClass;
      do {
        if (cls != subClass) {
          instanceInitializer.addStatement(Stmt.invokeStatic(CDIEventTypeLookup.class, "get")
                  .invoke("addLookup", subClass.getFullyQualifiedName(), cls.getFullyQualifiedName()));
        }

        for (MetaClass interfaceClass : cls.getInterfaces()) {
          instanceInitializer.addStatement(Stmt.invokeStatic(CDIEventTypeLookup.class, "get")
                  .invoke("addLookup", subClass.getFullyQualifiedName(), interfaceClass.getFullyQualifiedName()));

        }
      }
      while ((cls = cls.getSuperClass()) != null);
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  public void afterInitialization(IOCProcessingContext context,
                                  InjectionContext injectionContext,
                                  IOCProcessorFactory procFactory) {

    final BlockStatement instanceInitializer = context.getBootstrapClass().getInstanceInitializer();

    final Set<MetaClass> knownObserverTypes = new HashSet<MetaClass>();

    for (MetaParameter parameter : ClassScanner.getParametersAnnotatedWith(Observes.class)) {
      knownObserverTypes.add(parameter.getType());
    }

    final MetaDataScanner scanner = ScannerSingleton.getOrCreateInstance();

    final Set<MetaClass> knownTypesWithSuperTypes = new HashSet<MetaClass>(knownObserverTypes);
    for (MetaClass cls : knownObserverTypes) {
      for (Class subClass : scanner.getSubTypesOf(cls.asClass())) {
        knownTypesWithSuperTypes.add(MetaClassFactory.get(subClass));
      }
    }

    addTypeHeirarchyFor(context, knownTypesWithSuperTypes);

    instanceInitializer.addStatement(Stmt.nestedCall(Stmt.newObject(CDI.class))
            .invoke("initLookupTable", Stmt.invokeStatic(CDIEventTypeLookup.class, "get")));
  }
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          uiBinderBoilerPlaterIface.addAnnotation(handler);
          uiBinderBoilerPlaterIface.addAnnotation(packageTarget);

          context.getBootstrapClass().addInnerClass(new InnerClass(uiBinderBoilerPlaterIface));

          final BlockStatement staticInit = context.getBootstrapClass().getStaticInitializer();

          String varName = "uiBinderInst_" + injectionPoint.getEnclosingType().getFullyQualifiedName()
                  .replaceAll("\\.", "_");

          if (Boolean.getBoolean("errai.simulatedClient")) {
            staticInit.addStatement(Stmt.declareVariable(UiBinder.class).named(varName).initializeWith(
                    ObjectBuilder.newInstanceOf(uiBinderBoilerPlaterIface)
                            .extend()
                            .publicOverridesMethod("createAndBindUi", Parameter.of(injectionPoint.getEnclosingType(), "w"))
                            .append(Stmt.loadLiteral(null).returnValue())
                            .finish().finish()
            )
            );
          }
          else {
            staticInit.addStatement(Stmt.declareVariable(UiBinder.class).named(varName).initializeWith(
                    Stmt.invokeStatic(GWT.class, "create", LiteralFactory.getLiteral(uiBinderBoilerPlaterIface))
            ));
          }

          staticInit.addStatement(Stmt.invokeStatic(UiBinderProvider.class, "registerBinder",
                  injectionPoint.getEnclosingType(), Refs.get(varName)));
        }
        else if (injectionPoint.getType().isAssignableTo(SafeHtmlTemplates.class)) {
          final String varName = "safeTemplateInst_" + injectionPoint.getEnclosingType().getFullyQualifiedName()
                  .replaceAll("\\.", "_");
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   * @param params
   *          the resource method's parameters
   * @return the URL statement
   */
  private Statement generateUrl(final JaxrsResourceMethodParameters params) {
    BlockStatement block = new BlockStatement();
    block.addStatement(Stmt.declareVariable("url", StringBuilder.class,
        Stmt.newObject(StringBuilder.class, new StringStatement("getBaseUrl()"))));

    // construct path using @PathParams and @MatrixParams
    String path = resourceMethod.getPath();
    ContextualStatementBuilder pathValue = Stmt.loadLiteral(path);

    for (String pathParamName : JaxrsResourceMethodParameters.getPathParameterNames(path)) {
      Statement pathParam = marshal(params.getPathParameter(pathParamName));
      if (params.needsEncoding(pathParamName)) {
        pathParam = encodePath(pathParam);
      }
      pathValue = pathValue.invoke("replace", "{" + pathParamName + "}", pathParam);
    }

    if (params.getMatrixParameters() != null) {
      for (String matrixParamName : params.getMatrixParameters().keySet()) {
        pathValue = pathValue.invoke("concat", ";" + matrixParamName + "=")
            .invoke("concat", encodePath(marshal(params.getMatrixParameter(matrixParamName))));
      }
    }
    ContextualStatementBuilder urlBuilder = Stmt.loadVariable("url").invoke(APPEND, pathValue);

    // construct query using @QueryParams
    if (params.getQueryParameters() != null) {
      urlBuilder = urlBuilder.invoke(APPEND, "?");

      int i = 0;
      for (String queryParamName : params.getQueryParameters().keySet()) {
        for (Statement queryParam : params.getQueryParameters(queryParamName)) {
          if (i++ > 0)
            urlBuilder = urlBuilder.invoke(APPEND, "&");

          urlBuilder = urlBuilder.invoke(APPEND, queryParamName).invoke(APPEND, "=")
              .invoke(APPEND, encodeQuery(marshal(queryParam)));
        }
      }
    }

    if (urlBuilder != null)
      block.addStatement(urlBuilder);

    return block;
  }
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