protected Object getPropertyValue()

in ext/client-proxy/src/main/java/org/apache/olingo/ext/proxy/commons/AbstractStructuredInvocationHandler.java [279:393]
103 lines of code
29 McCabe index (conditional complexity)

  protected Object getPropertyValue(final String name, final Type type) {
    try {
      Object res;
      final Class<?> ref = ClassUtils.getTypeClass(type);

      if (ref == EdmStreamValue.class) {
        if (streamedPropertyCache.containsKey(name)) {
          res = streamedPropertyCache.get(name);
        } else if (streamedPropertyChanges.containsKey(name)) {
          res = streamedPropertyChanges.get(name);
        } else {
          res = Proxy.newProxyInstance(
                  Thread.currentThread().getContextClassLoader(),
                  new Class<?>[] {EdmStreamValue.class}, new EdmStreamValueHandler(
                  baseURI == null
                  ? null
                  : getClient().newURIBuilder(baseURI.toASCIIString()).appendPropertySegment(name).build(),
                  service));

          streamedPropertyCache.put(name, EdmStreamValue.class.cast(res));
        }

        return res;
      } else {
        if (propertyChanges.containsKey(name)) {
          res = propertyChanges.get(name);
        } else if (propertyCache.containsKey(name)) {
          res = propertyCache.get(name);
        } else {
          final ClientProperty property = getInternalProperty(name);

          if (ref != null && ClassUtils.getTypeClass(type).isAnnotationPresent(ComplexType.class)) {
            res = getComplex(
                    name,
                    property == null || property.hasNullValue() ? null : property.getValue(),
                    ref,
                    getEntityHandler(),
                    baseURI,
                    false);
          } else if (ref != null && ComplexCollection.class.isAssignableFrom(ref)) {
            final ComplexCollectionInvocationHandler<?> collectionHandler;
            final Class<?> itemRef = ClassUtils.extractTypeArg(ref, ComplexCollection.class);

            if (property == null || property.hasNullValue()) {
              collectionHandler = new ComplexCollectionInvocationHandler(
                      itemRef,
                      service,
                      baseURI == null
                      ? null : getClient().newURIBuilder(baseURI.toASCIIString()).appendPropertySegment(name));
            } else {
              List items = new ArrayList();

              for (ClientValue item : property.getValue().asCollection()) {
                items.add(getComplex(
                        name,
                        item,
                        itemRef,
                        getEntityHandler(),
                        null,
                        true));
              }

              collectionHandler = new ComplexCollectionInvocationHandler(
                      service,
                      items,
                      itemRef,
                      baseURI == null
                      ? null : getClient().newURIBuilder(baseURI.toASCIIString()).appendPropertySegment(name));
            }

            res = Proxy.newProxyInstance(
                    Thread.currentThread().getContextClassLoader(),
                    new Class<?>[] {ref}, collectionHandler);

          } else if (ref != null && PrimitiveCollection.class.isAssignableFrom(ref)) {
            PrimitiveCollectionInvocationHandler collectionHandler;
            if (property == null || property.hasNullValue()) {
              collectionHandler = new PrimitiveCollectionInvocationHandler(
                      service,
                      null,
                      baseURI == null
                      ? null : getClient().newURIBuilder(baseURI.toASCIIString()).appendPropertySegment(name));
            } else {
              List items = new ArrayList();
              for (ClientValue item : property.getValue().asCollection()) {
                items.add(item.asPrimitive().toValue());
              }
              collectionHandler = new PrimitiveCollectionInvocationHandler(
                      service,
                      items,
                      null,
                      baseURI == null
                      ? null : getClient().newURIBuilder(baseURI.toASCIIString()).appendPropertySegment(name));
            }

            res = Proxy.newProxyInstance(
                    Thread.currentThread().getContextClassLoader(),
                    new Class<?>[] {PrimitiveCollection.class}, collectionHandler);
          } else {
            res = property == null || property.hasNullValue()
                    ? null
                    : CoreUtils.getObjectFromODataValue(property.getValue(), type, service);
          }
        }

        if (res != null) {
          propertyCache.put(name, res);
        }

        return res;
      }
    } catch (Exception e) {
      throw new IllegalArgumentException("Error getting value for property '" + name + "'", e);
    }
  }