Package org.jboss.errai.ioc.rebind

Examples of org.jboss.errai.ioc.rebind.IOCProcessingContext

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      return new ConstructionStrategy() {
        @Override
        public void generateConstructor() {
          Statement[] parameterStatements = resolveInjectionDependencies(constructor.getParameters(), ctx, constructor);

          IOCProcessingContext processingContext = ctx.getProcessingContext();

          processingContext.append(
                  Stmt.declareVariable(type)
                          .asFinal()
                          .named(injector.getVarName())
                          .initializeWith(Stmt
                                  .newObject(type)
                                  .withParameters(parameterStatements))
          );

          handleInjectionTasks(ctx, injectionTasks);

          doPostConstruct(ctx, injector, postConstructTasks);
        }
      };
    }
    else {
      // field injection
      if (!hasDefaultConstructor(type))
        throw new InjectionFailure("there is no default constructor for type: " + type.getFullyQualifiedName());

      return new ConstructionStrategy() {
        @Override
        public void generateConstructor() {
          IOCProcessingContext processingContext = ctx.getProcessingContext();

          processingContext.append(
                  Stmt.declareVariable(type)
                          .asFinal()
                          .named(injector.getVarName())
                          .initializeWith(Stmt.newObject(type))
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  private static void doPostConstruct(final InjectionContext ctx,
                                      final Injector injector,
                                      final List<MetaMethod> postConstructTasks) {

    final IOCProcessingContext processingContext = ctx.getProcessingContext();

    for (final MetaMethod meth : postConstructTasks) {
      if (meth.getParameters().length != 0) {
        throw new InjectionFailure("PostConstruct method must be public and contain no parameters: "
                + injector.getInjectedType().getFullyQualifiedName() + "." + meth.getName());
      }

      if (!meth.isPublic()) {
        ctx.addExposedMethod(meth);
      }

      ctx.deferRunnableTask(new Runnable() {
        @Override
        public void run() {
          Statement stmt;
          if (!meth.isPublic()) {
            stmt = Stmt.invokeStatic(ctx.getProcessingContext().getBootstrapClass(),
                    GenUtil.getPrivateMethodName(meth), Refs.get(injector.getVarName()));
          }
          else {
            stmt = Stmt.loadVariable(injector.getVarName()).invoke(meth.getName());
          }

          processingContext.append(stmt);
        }
      });

    }
  }
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    BlockBuilder<?> blockBuilder =
            classStructureBuilder.publicMethod(InterfaceInjectionContext.class, "bootstrapContainer");

    SourceWriter sourceWriter = new StringSourceWriter();

    procContext = new IOCProcessingContext(logger, context, sourceWriter,
            typeOracle, buildContext, bootStrapClass, blockBuilder);

    injectFactory = new InjectorFactory(procContext);
    procFactory = new IOCProcessorFactory(injectFactory);
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    this.type = type;
  }

  @SuppressWarnings({"unchecked"})
  public boolean doTask(InjectionContext ctx) {
    IOCProcessingContext processingContext = ctx.getProcessingContext();

    InjectableInstance<? extends Annotation> injectableInstance
            = new InjectableInstance(null, injectType, constructor, method, field, type, parm, injector, ctx);

    Injector inj;
    QualifyingMetadata qualifyingMetadata = processingContext.getQualifyingMetadataFactory()
            .createFrom(injectableInstance.getQualifiers());

    switch (injectType) {
      case Type:
        ctx.getQualifiedInjector(type, qualifyingMetadata);
        break;

      case PrivateField: {
        if (!ctx.isInjectableQualified(field.getType(), qualifyingMetadata)) {
          return false;
        }

        try {
          inj = ctx.getQualifiedInjector(field.getType(), qualifyingMetadata);
        }
        catch (InjectionFailure e) {
          e.setTarget(toString());
          throw e;
        }

        processingContext.append(
                Stmt.invokeStatic(processingContext.getBootstrapClass(), getPrivateFieldInjectorName(field),
                        Refs.get(injector.getVarName()), inj.getType(ctx, injectableInstance))
        );

        ctx.addExposedField(field);
        break;
      }

      case Field:
        if (!ctx.isInjectableQualified(field.getType(), qualifyingMetadata)) {
          return false;
        }

        try {
          inj = ctx.getQualifiedInjector(field.getType(), qualifyingMetadata);
        }
        catch (InjectionFailure e) {
          e.setTarget(toString());
          throw e;
        }

        processingContext.append(
                Stmt.loadVariable(injector.getVarName()).loadField(field.getName()).assignValue(inj.getType(ctx,
                        injectableInstance))
        );

        break;

      case PrivateMethod: {
        for (MetaParameter parm : method.getParameters()) {
          if (!ctx.isInjectableQualified(parm.getType(), qualifyingMetadata)) {
            return false;
          }
        }

        Statement[] smts = resolveInjectionDependencies(method.getParameters(), ctx, method);
        Statement[] parms = new Statement[smts.length];
        parms[0] = Refs.get(injector.getVarName());
        System.arraycopy(smts, 0, parms, 1, smts.length);

        processingContext.append(
                Stmt.invokeStatic(processingContext.getBootstrapClass(), getPrivateMethodName(method),
                        parms)
        );

        break;
      }

      case Method:
        for (MetaParameter parm : method.getParameters()) {
          if (!ctx.isInjectableQualified(parm.getType(), qualifyingMetadata)) {
            return false;
          }
        }

        processingContext.append(
                Stmt.loadVariable(injector.getVarName()).invoke(method,
                        resolveInjectionDependencies(method.getParameters(), ctx, method))
        );

        break;
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        @Override
        public void generateConstructor(ConstructionStatusCallback callback) {
          Statement[] parameterStatements = resolveInjectionDependencies(constructor.getParameters(), ctx, constructor);
          if (injector.isSingleton() && injector.isInjected()) return;

          IOCProcessingContext processingContext = ctx.getProcessingContext();

          processingContext.append(
                  Stmt.declareVariable(type)
                          .asFinal()
                          .named(injector.getVarName())
                          .initializeWith(Stmt
                                  .newObject(type)
                                  .withParameters(parameterStatements))
          );
          callback.callback(true);

          handleInjectionTasks(ctx, injectionTasks);

          doPostConstruct(ctx, injector, postConstructTasks);
        }

      };
    }
    else {
      // field injection
      if (!hasDefaultConstructor(type))
        throw new InjectionFailure("there is no public default constructor or suitable injection constructor for type: "
                + type.getFullyQualifiedName());

      return new ConstructionStrategy() {
        @Override
        public void generateConstructor(ConstructionStatusCallback callback) {
          if (injector.isSingleton() && injector.isInjected()) return;

          IOCProcessingContext processingContext = ctx.getProcessingContext();

          processingContext.append(
                  Stmt.declareVariable(type)
                          .asFinal()
                          .named(injector.getVarName())
                          .initializeWith(Stmt.newObject(type))
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  private static void doPostConstruct(final InjectionContext ctx,
                                      final Injector injector,
                                      final List<MetaMethod> postConstructTasks) {

    final IOCProcessingContext processingContext = ctx.getProcessingContext();

    for (final MetaMethod meth : postConstructTasks) {
      if (meth.getParameters().length != 0) {
        throw new InjectionFailure("PostConstruct method must be public and contain no parameters: "
                + injector.getInjectedType().getFullyQualifiedName() + "." + meth.getName());
      }

      if (!meth.isPublic()) {
        ctx.addExposedMethod(meth);
      }

      ctx.deferRunnableTask(new Runnable() {
        @Override
        public void run() {
          Statement stmt;
          if (!meth.isPublic()) {
            stmt = Stmt.invokeStatic(ctx.getProcessingContext().getBootstrapClass(),
                    GenUtil.getPrivateMethodName(meth), Refs.get(injector.getVarName()));
          }
          else {
            stmt = Stmt.loadVariable(injector.getVarName()).invoke(meth.getName());
          }

          processingContext.addPostConstructStatement(stmt);
        }
      });

    }
  }
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          return Stmt.loadVariable(creationalCallbackVarName).invoke("getInstance");
        }
      }
    }

    IOCProcessingContext ctx = injectContext.getProcessingContext();

    MetaClass creationCallbackRef
            = MetaClassFactory.parameterizedAs(CreationalCallback.class, MetaClassFactory.typeParametersOf(type));

    BlockBuilder<AnonymousClassStructureBuilder> callbackBuilder = ObjectBuilder.newInstanceOf(creationCallbackRef).extend()
            .publicOverridesMethod("getInstance");

    ctx.pushBlockBuilder(callbackBuilder);

    InjectUtil.getConstructionStrategy(this, injectContext).generateConstructor(new ConstructionStatusCallback() {
      @Override
      public void callback(boolean constructed) {
        injected = true;
      }
    });

    ctx.append(Stmt.loadVariable(varName).returnValue());

    ctx.popBlockBuilder();

    creationalCallbackVarName  = InjectUtil.getNewVarName();

    ctx.globalAppend(Stmt.declareVariable(creationCallbackRef).asFinal().named(creationalCallbackVarName)
            .initializeWith(callbackBuilder.finish().finish()));

    if (isSingleton()) {

      ctx.globalAppend(Stmt.declareVariable(type).asFinal().named(varName)
              .initializeWith(Stmt.loadVariable(creationalCallbackVarName).invoke("getInstance")));

      return Refs.get(varName);
    }
    else {
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    this.type = type;
  }

  @SuppressWarnings({"unchecked"})
  public boolean doTask(InjectionContext ctx) {
    IOCProcessingContext processingContext = ctx.getProcessingContext();

    InjectableInstance injectableInstance = getInjectableInstance(ctx);

    Injector inj;
    QualifyingMetadata qualifyingMetadata = processingContext.getQualifyingMetadataFactory()
            .createFrom(injectableInstance.getQualifiers());

    switch (taskType) {
      case Type:
        ctx.getQualifiedInjector(type, qualifyingMetadata);
        break;

      case PrivateField: {
        if (!ctx.isInjectableQualified(field.getType(), qualifyingMetadata)) {
          return false;
        }

        try {
          inj = ctx.getQualifiedInjector(field.getType(), qualifyingMetadata);
        }
        catch (InjectionFailure e) {
          e.setTarget(toString());
          throw e;
        }

        processingContext.append(
                Stmt.invokeStatic(processingContext.getBootstrapClass(), getPrivateFieldInjectorName(field),
                        Refs.get(injector.getVarName()), inj.getType(ctx, injectableInstance))
        );

        ctx.addExposedField(field);
        break;
      }

      case Field:
        if (!ctx.isInjectableQualified(field.getType(), qualifyingMetadata)) {
          return false;
        }

        try {
          inj = ctx.getQualifiedInjector(field.getType(), qualifyingMetadata);
        }
        catch (InjectionFailure e) {
          e.setTarget(toString());
          throw e;
        }

        processingContext.append(
                Stmt.loadVariable(injector.getVarName()).loadField(field.getName()).assignValue(inj.getType(ctx,
                        injectableInstance))
        );

        break;

      case PrivateMethod: {
        for (MetaParameter parm : method.getParameters()) {
          ctx.getProcessingContext().handleDiscoveryOfType(
                  new InjectableInstance(null, TaskType.Parameter, null, method, null, parm.getType(), parm, injector, ctx));
          if (!ctx.isInjectableQualified(parm.getType(), qualifyingMetadata)) {
            return false;
          }
        }

        Statement[] smts = resolveInjectionDependencies(method.getParameters(), ctx, method);
        Statement[] parms = new Statement[smts.length];
        parms[0] = Refs.get(injector.getVarName());
        System.arraycopy(smts, 0, parms, 1, smts.length);

        processingContext.append(
                Stmt.invokeStatic(processingContext.getBootstrapClass(), getPrivateMethodName(method),
                        parms)
        );

        break;
      }

      case Method:
        for (MetaParameter parm : method.getParameters()) {
          ctx.getProcessingContext().handleDiscoveryOfType(
                  new InjectableInstance(null, TaskType.Parameter, null, method, null, parm.getType(), parm, injector, ctx));

          if (!ctx.isInjectableQualified(parm.getType(), qualifyingMetadata)) {
            return false;
          }
        }

        processingContext.append(
                Stmt.loadVariable(injector.getVarName()).invoke(method,
                        resolveInjectionDependencies(method.getParameters(), ctx, method))
        );

        break;
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    BlockBuilder<?> blockBuilder =
            classStructureBuilder.publicMethod(InterfaceInjectionContext.class, "bootstrapContainer");

    SourceWriter sourceWriter = new StringSourceWriter();

    procContext = new IOCProcessingContext(logger, context, sourceWriter, buildContext, bootStrapClass, blockBuilder);
    injectFactory = new InjectorFactory(procContext);
    procFactory = new IOCProcessorFactory(injectFactory);

    MetaDataScanner scanner = ScannerSingleton.getOrCreateInstance();
    Properties props = scanner.getProperties("ErraiApp.properties");
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    this.type = type;
  }

  @SuppressWarnings({"unchecked"})
  public boolean doTask(InjectionContext ctx) {
    IOCProcessingContext processingContext = ctx.getProcessingContext();

    InjectableInstance<? extends Annotation> injectableInstance
            = new InjectableInstance(null, injectType, constructor, method, field, type, parm, injector, ctx);

    Injector inj;
    QualifyingMetadata qualifyingMetadata = processingContext.getQualifyingMetadataFactory()
            .createFrom(injectableInstance.getQualifiers());

    switch (injectType) {
      case Type:
        ctx.getQualifiedInjector(type, qualifyingMetadata);
        break;

      case PrivateField: {
        if (!ctx.isInjectableQualified(field.getType(), qualifyingMetadata)) {
          return false;
        }

        try {
          inj = ctx.getQualifiedInjector(field.getType(), qualifyingMetadata);
        }
        catch (InjectionFailure e) {
          e.setTarget(toString());
          throw e;
        }

        processingContext.append(
                Stmt.invokeStatic(processingContext.getBootstrapClass(), getPrivateFieldInjectorName(field),
                        Refs.get(injector.getVarName()), inj.getType(ctx, injectableInstance))
        );

        ctx.addExposedField(field);
        break;
      }

      case Field:
        if (!ctx.isInjectableQualified(field.getType(), qualifyingMetadata)) {
          return false;
        }

        try {
          inj = ctx.getQualifiedInjector(field.getType(), qualifyingMetadata);
        }
        catch (InjectionFailure e) {
          e.setTarget(toString());
          throw e;
        }

        processingContext.append(
                Stmt.loadVariable(injector.getVarName()).loadField(field.getName()).assignValue(inj.getType(ctx,
                        injectableInstance))
        );

        break;

      case PrivateMethod: {
        for (MetaParameter parm : method.getParameters()) {
          if (!ctx.isInjectableQualified(parm.getType(), qualifyingMetadata)) {
            return false;
          }
        }

        Statement[] smts = resolveInjectionDependencies(method.getParameters(), ctx, method);
        Statement[] parms = new Statement[smts.length];
        parms[0] = Refs.get(injector.getVarName());
        System.arraycopy(smts, 0, parms, 1, smts.length);

        processingContext.append(
                Stmt.invokeStatic(processingContext.getBootstrapClass(), getPrivateMethodName(method),
                        parms)
        );

        break;
      }

      case Method:
        for (MetaParameter parm : method.getParameters()) {
          if (!ctx.isInjectableQualified(parm.getType(), qualifyingMetadata)) {
            return false;
          }
        }

        processingContext.append(
                Stmt.loadVariable(injector.getVarName()).invoke(method,
                        resolveInjectionDependencies(method.getParameters(), ctx, method))
        );

        break;
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Related Classes of org.jboss.errai.ioc.rebind.IOCProcessingContext

  • org.jboss.errai.ioc.rebind.ioc.bootstrapper.IOCBootstrapGenerator
  • org.jboss.errai.ioc.rebind.ioc.InjectionTask
  • org.jboss.errai.ioc.rebind.ioc.InjectUtil
  • org.jboss.errai.ioc.rebind.ioc.ProxyInjector
  • org.jboss.errai.ioc.rebind.ioc.TypeInjector
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