Examples with IReadWriteStream io.apiman.gateway.engine.io.IReadWriteStream used on opensource projects

Example 1 with IReadWriteStream

use of io.apiman.gateway.engine.io.IReadWriteStream 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;
    }
}