Examples with ComponentNotFoundException io.apiman.gateway.engine.beans.exceptions.ComponentNotFoundException used on opensource projects

Example 1 with ComponentNotFoundException

use of io.apiman.gateway.engine.beans.exceptions.ComponentNotFoundException in project apiman by apiman.

the class ConfigDrivenComponentRegistry method createAndRegisterComponent.

/**
 * Creates the component and registers it in the registry.
 * @param componentType the component type
 * @return the component
 * @throws ComponentNotFoundException when a policy tries to get a component from
 * the context but the component doesn't exist or is otherwise not available.
 */
public <T extends IComponent> T createAndRegisterComponent(Class<T> componentType) throws ComponentNotFoundException {
    try {
        synchronized (components) {
            Class<? extends T> componentClass = engineConfig.getComponentClass(componentType, pluginRegistry);
            Map<String, String> componentConfig = engineConfig.getComponentConfig(componentType);
            T component = create(componentClass, componentConfig);
            components.put(componentType, component);
            // Because components are lazily created, we need to initialize them here
            // if necessary.
            DependsOnComponents annotation = componentClass.getAnnotation(DependsOnComponents.class);
            if (annotation != null) {
                Class<? extends IComponent>[] value = annotation.value();
                for (Class<? extends IComponent> theC : value) {
                    Method setter = ReflectionUtils.findSetter(componentClass, theC);
                    if (setter != null) {
                        IComponent injectedComponent = getComponent(theC);
                        try {
                            setter.invoke(component, new Object[] { injectedComponent });
                        } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
                            throw new RuntimeException(e);
                        }
                    }
                }
            }
            if (component instanceof IRequiresInitialization) {
                ((IRequiresInitialization) component).initialize();
            }
            return component;
        }
    } catch (Exception e) {
        throw new ComponentNotFoundException(componentType.getName());
    }
}

Example 2 with ComponentNotFoundException

use of io.apiman.gateway.engine.beans.exceptions.ComponentNotFoundException in project apiman by apiman.

the class CachingPolicy method responseDataHandler.

/**
 * @see io.apiman.gateway.engine.policies.AbstractMappedDataPolicy#responseDataHandler(io.apiman.gateway.engine.beans.ApiResponse, io.apiman.gateway.engine.policy.IPolicyContext, java.lang.Object)
 */
@Deprecated
@Override
protected IReadWriteStream<ApiResponse> responseDataHandler(final ApiResponse response, IPolicyContext context, CachingConfig policyConfiguration) {
    // Possibly cache the response for future posterity.
    // Check the response code against list in config (empty/null list means cache all).
    final boolean shouldCache = (context.getAttribute(SHOULD_CACHE_ATTR, Boolean.FALSE) && ofNullable(policyConfiguration.getStatusCodes()).map(statusCodes -> statusCodes.isEmpty() || statusCodes.contains(String.valueOf(response.getCode()))).orElse(true));
    if (shouldCache) {
        try {
            String cacheId = context.getAttribute(CACHE_ID_ATTR, null);
            ICacheStoreComponent cache = context.getComponent(ICacheStoreComponent.class);
            final ISignalWriteStream writeStream = cache.putBinary(cacheId, response, policyConfiguration.getTtl());
            return new AbstractStream<ApiResponse>() {

                @Override
                public ApiResponse getHead() {
                    return response;
                }

                @Override
                protected void handleHead(ApiResponse head) {
                }

                @Override
                public void write(IApimanBuffer chunk) {
                    writeStream.write(chunk);
                    super.write(chunk);
                }

                @Override
                public void end() {
                    writeStream.end();
                    super.end();
                }
            };
        } catch (ComponentNotFoundException | IOException e) {
            // TODO log error
            return null;
        }
    } else {
        return null;
    }
}

Example 3 with ComponentNotFoundException

use of io.apiman.gateway.engine.beans.exceptions.ComponentNotFoundException in project apiman by apiman.

the class CachingResourcesPolicy method responseDataHandler.

/**
 * @see io.apiman.gateway.engine.policies.AbstractMappedDataPolicy#responseDataHandler(io.apiman.gateway.engine.beans.ApiResponse, io.apiman.gateway.engine.policy.IPolicyContext, java.lang.Object)
 */
@Override
protected IReadWriteStream<ApiResponse> responseDataHandler(final ApiResponse response, IPolicyContext context, CachingResourcesConfig policyConfiguration) {
    if (response == null) {
        // if the response is empty because of a policy failure before we end here and return null
        return null;
    }
    List<CachingResourcesSettingsEntry> possibleMatchingCachingEntries = context.getAttribute(CACHE_POSSIBLE_MATCHING_ENTRIES, new ArrayList<CachingResourcesSettingsEntry>());
    boolean isAMatch = false;
    for (CachingResourcesSettingsEntry entry : possibleMatchingCachingEntries) {
        isAMatch = isAMatch || matchesPolicyEntryVsActualValue(entry.getStatusCode(), String.valueOf(response.getCode()));
    }
    // Possibly cache the response for future posterity.
    final boolean shouldCache = context.getAttribute(SHOULD_CACHE_ATTR, Boolean.FALSE) && isAMatch;
    if (shouldCache) {
        try {
            String cacheId = context.getAttribute(CACHE_ID_ATTR, null);
            ICacheStoreComponent cache = context.getComponent(ICacheStoreComponent.class);
            final ISignalWriteStream writeStream = cache.putBinary(cacheId, response, policyConfiguration.getTtl());
            return new AbstractStream<ApiResponse>() {

                @Override
                public ApiResponse getHead() {
                    return response;
                }

                @Override
                protected void handleHead(ApiResponse head) {
                }

                @Override
                public void write(IApimanBuffer chunk) {
                    writeStream.write(chunk);
                    super.write(chunk);
                }

                @Override
                public void end() {
                    writeStream.end();
                    super.end();
                }
            };
        } catch (ComponentNotFoundException | IOException e) {
            throw new RuntimeException(e);
        }
    }
    return null;
}