Package org.jboss.errai.codegen.meta

Examples of org.jboss.errai.codegen.meta.MetaClass

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      private String createDemarshallerIfNeeded(MetaClass type) {
        return addArrayMarshaller(type);
      }
    });

    MetaClass javaUtilMap = MetaClassFactory.get(
            new TypeLiteral<Map<String, Marshaller>>() {
            }
    );

    autoInitializedField(classStructureBuilder, javaUtilMap, MARSHALLERS_VAR, HashMap.class);
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      MappingDefinition definition = mappingContext.getDefinitionsFactory().getDefinition(clazz);
      if (definition.getClientMarshallerClass() != null || definition.alreadyGenerated()) {
        continue;
      }

      MetaClass metaClazz = MetaClassFactory.get(clazz);
      Statement marshaller = marshal(metaClazz);
      MetaClass type = marshaller.getType();
      String varName = getVarName(clazz);

      classStructureBuilder.privateField(varName, type).finish();

      if (clazz.isAnnotationPresent(AlwaysQualify.class)) {
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    return varName;
  }

  private Statement generateArrayMarshaller(MetaClass arrayType) {
    MetaClass toMap = arrayType;
    while (toMap.isArray()) {
      toMap = toMap.getComponentType();
    }
    int dimensions = GenUtil.getArrayDimensions(arrayType);

    AnonymousClassStructureBuilder classStructureBuilder
            = Stmt.create(mappingContext.getCodegenContext())
            .newObject(parameterizedAs(Marshaller.class, typeParametersOf(arrayType))).extend();

    classStructureBuilder.publicOverridesMethod("getTypeHandled")
            .append(Stmt.load(toMap).returnValue())
            .finish();

    BlockBuilder<?> bBuilder = classStructureBuilder.publicOverridesMethod("demarshall",
            Parameter.of(EJValue.class, "a0"), Parameter.of(MarshallingSession.class, "a1"));

    bBuilder.append(
            Stmt.if_(Bool.isNull(loadVariable("a0")))
                    .append(Stmt.load(null).returnValue())
                    .finish()
                    .else_()
                    .append(Stmt.declareVariable(EJArray.class).named("arr")
                            .initializeWith(Stmt.loadVariable("a0").invoke("isArray")))
                    .append(Stmt.nestedCall(Stmt.loadVariable("this")).invoke("_demarshall" + dimensions,
                            loadVariable("arr"), loadVariable("a1")).returnValue())
                    .finish());
    bBuilder.finish();

    arrayDemarshallCode(toMap, dimensions, classStructureBuilder);

    BlockBuilder<?> marshallMethodBlock = classStructureBuilder.publicOverridesMethod("marshall",
            Parameter.of(toMap.asArrayOf(dimensions), "a0"), Parameter.of(MarshallingSession.class, "a1"));

    marshallMethodBlock.append(
            Stmt.if_(Bool.isNull(loadVariable("a0")))
                    .append(Stmt.load(null).returnValue())
                    .finish()
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  private void arrayDemarshallCode(MetaClass toMap, int dim, AnonymousClassStructureBuilder anonBuilder) {
    Object[] dimParms = new Object[dim];
    dimParms[0] = Stmt.loadVariable("a0").invoke("size");

    final MetaClass arrayType = toMap.asArrayOf(dim);

    MetaClass outerType = toMap.getOuterComponentType();
    if (!outerType.isArray() && outerType.isPrimitive()) {
      outerType = outerType.asBoxed();
    }

    Statement demarshallerStatement =
            Stmt.loadVariable(getVarName(outerType)).invoke("demarshall", loadVariable("a0")
                    .invoke("get", loadVariable("i")), Stmt.loadVariable("a1"));
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            }

            /**
             * Load the default array marshaller.
             */
            MetaClass arrayType = MetaClassFactory.get(marshaller.getTypeHandled()).asArrayOf(1);
            if (!factory.hasDefinition(arrayType)) {
              factory.addDefinition(new MappingDefinition(
                      EncDecUtil.qualifyMarshaller(new DefaultArrayMarshaller(arrayType, marshaller)), true));

              /**
               * If this a pirmitive wrapper, create a special case for it using the same marshaller.
               */
              if (MarshallUtil.isPrimitiveWrapper(marshaller.getTypeHandled())) {
                factory.addDefinition(new MappingDefinition(
                        EncDecUtil.qualifyMarshaller(new DefaultArrayMarshaller(
                                arrayType.getOuterComponentType().asUnboxed().asArrayOf(1), marshaller)), true));
              }
            }

          }
          catch (ClassCastException e) {
            throw new RuntimeException("@ServerMarshaller class "
                    + m.getName() + " is not an instance of " + Marshaller.class.getName());
          }
          catch (Throwable t) {
            throw new RuntimeException("Error instantiating " + m.getName(), t);
          }
        }

        for (Class<?> exposed : factory.getExposedClasses()) {
          if (exposed.isAnnotationPresent(Portable.class)) {
            Portable p = exposed.getAnnotation(Portable.class);

            if (!p.aliasOf().equals(Object.class)) {
              if (!factory.hasDefinition(p.aliasOf())) {
                throw new RuntimeException("cannot alias " + exposed.getName() + " to unmapped type: "
                        + p.aliasOf().getName());
              }

              factory.getDefinition(exposed)
                      .setMarshallerInstance(factory.getDefinition(p.aliasOf()).getMarshallerInstance());
            }

            if (exposed.isEnum()) {
              factory.getDefinition(exposed)
                      .setMarshallerInstance(new DefaultEnumMarshaller(exposed));
            }

            MappingDefinition definition = factory.getDefinition(exposed);

            for (MemberMapping mapping : definition.getMemberMappings()) {
              if (mapping.getType().isArray()) {
                MetaClass type = mapping.getType();
                MetaClass compType = type.getOuterComponentType();

                if (!factory.hasDefinition(type.getInternalName())) {
                  MappingDefinition outerDef = factory.getDefinition(compType);

                  Marshaller<Object> marshaller = outerDef.getMarshallerInstance();
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              .append(
                  Stmt.returnVoid())
              .finish()
          );

      MetaClass paramType = setterMethod.getParameters()[0].getType();

      Statement callSetterOnTarget = target().invoke(setterMethod.getName(),
          Cast.to(paramType, Stmt.loadVariable(property)));

      // If the set method we are proxying returns a value, capture that value into a local variable
      Statement returnValueOfSetter = EmptyStatement.INSTANCE;
      if (!setterMethod.getReturnType().equals(MetaClassFactory.get(void.class))) {
        callSetterOnTarget =
            Stmt.declareFinalVariable("returnValueOfSetter", setterMethod.getReturnType(), callSetterOnTarget);
        returnValueOfSetter = Stmt.nestedCall(Refs.get("returnValueOfSetter")).returnValue();
      }

      classBuilder.publicMethod(setterMethod.getReturnType(), setterMethod.getName(),
          Parameter.of(paramType, property))
          .append(
              Stmt.declareVariable("oldValue", Object.class, target().invoke(getterMethod.getName())))
          .append(callSetterOnTarget)
          .append(Stmt.declareVariable("widget", Widget.class, field("bindings").invoke("get", property)))
          .append(
              If.instanceOf(Variable.get("widget"), HasValue.class)
                  .append(
                      Stmt.castTo(HasValue.class, Stmt.loadVariable("widget")).invoke(
                          "setValue",
                          Stmt.invokeStatic(Convert.class, "toWidgetValue",
                              Variable.get("widget"),
                              paramType.asBoxed().asClass(),
                              Stmt.castTo(paramType.asBoxed(), Stmt.loadVariable(property)),
                              field("converters").invoke("get", property)),
                          true))
                  .finish()
                  .elseif_(
                      Bool.instanceOf(Variable.get("widget"), HasText.class))
                  .append(
                      Stmt.castTo(HasText.class, Stmt.loadVariable("widget"))
                          .invoke(
                              "setText",
                              Stmt.castTo(String.class,
                                  Stmt.invokeStatic(Convert.class, "toWidgetValue", String.class,
                                      paramType.asBoxed().asClass(),
                                      Stmt.castTo(paramType.asBoxed(), Stmt.loadVariable(property)),
                                      field("converters").invoke("get", property)
                                      )
                                  )
                          )
                  )
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      }
      Page annotation = pageClass.getAnnotation(Page.class);
      String pageName = getPageName(pageClass);
      List<Class<? extends PageRole>> annotatedPageRoles = Arrays.asList(annotation.role());

      MetaClass prevPageWithThisName = pageNames.put(pageName, pageClass);
      if (prevPageWithThisName != null) {
        throw new GenerationException(
            "Page names must be unique, but " + prevPageWithThisName + " and " + pageClass +
                " are both named [" + pageName + "]");
      }
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            new Modifier[] {});
      }

      String injectorName = PrivateAccessUtil.getPrivateFieldInjectorName(field);

      MetaClass erasedFieldType = field.getType().getErased();
      if (erasedFieldType.isAssignableTo(Collection.class)) {
        MetaClass elementType = MarshallingGenUtil.getConcreteCollectionElementType(field.getType());
        if (elementType == null) {
          throw new UnsupportedOperationException(
                    "Found a @PageState field with a Collection type but without a concrete type parameter. " +
                        "Collection-typed @PageState fields must specify a concrete type parameter.");
        }
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    final File dotFile = new File(RebindUtils.getErraiCacheDir().getAbsolutePath(), "navgraph.gv");
    PrintWriter out = null;
    try {
      out = new PrintWriter(dotFile);
      out.println("digraph Navigation {");
      final MetaClass transitionToType = MetaClassFactory.get(TransitionTo.class);
      final MetaClass transitionAnchorType = MetaClassFactory.get(TransitionAnchor.class);
      final MetaClass transitionAnchorFactoryType = MetaClassFactory.get(TransitionAnchorFactory.class);
      for (Map.Entry<String, MetaClass> entry : pages.entrySet()) {
        String pageName = entry.getKey();
        MetaClass pageClass = entry.getValue();

        // entry for the node itself
        out.print("\"" + pageName + "\"");

        Page pageAnnotation = pageClass.getAnnotation(Page.class);
        List<Class<? extends PageRole>> roles = Arrays.asList(pageAnnotation.role());
        if (roles.contains(DefaultPage.class)) {
          out.print(" [penwidth=3]");
        }
        out.println();
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      for (int i = 0; i < parmTypes.length; i++) {
        final TypeToken<?> token = TypeToken.of(declaringClass.asClass());
        final Class<?> parmType = token.resolveType(genParmTypes[i]).getRawType();

        final MetaClass mcParm = MetaClassFactory.get(parmType, genParmTypes[i]);
        parmList.add(new JavaReflectionParameter(mcParm, parameterAnnotations[i], this));
      }
      parameters = parmList.toArray(new MetaParameter[parmList.size()]);
    }
    return parameters;
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Related Classes of org.jboss.errai.codegen.meta.MetaClass

  • org.jboss.errai.bus.rebind.RpcTypesProvider
  • org.jboss.errai.codegen.builder.callstack.LoadClassReference
  • org.jboss.errai.codegen.builder.callstack.LoadVariable
  • org.jboss.errai.codegen.builder.callstack.MethodCall
  • org.jboss.errai.codegen.builder.impl.AssignmentBuilder
  • org.jboss.errai.codegen.builder.impl.LoopBuilderImpl
  • org.jboss.errai.codegen.builder.impl.StatementBuilder
  • org.jboss.errai.codegen.Context
  • org.jboss.errai.codegen.meta.impl.AbstractMetaClass
  • org.jboss.errai.codegen.meta.impl.build.BuildMetaClass
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