com.amazonaws.services.machinelearning.internal.PredictEndpointHandler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aws-java-sdk-machinelearning Show documentation

The AWS Java SDK for Amazon Machine Learning module holds the client classes that is used for communicating with Amazon Machine Learning Service

There is a newer version: 1.12.778

Show newest version

/*
 * Copyright 2015-2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
package com.amazonaws.services.machinelearning.internal;

import java.net.URI;
import java.net.URISyntaxException;

import com.amazonaws.AmazonClientException;
import com.amazonaws.Request;
import com.amazonaws.Response;
import com.amazonaws.handlers.RequestHandler2;
import com.amazonaws.services.machinelearning.model.PredictRequest;

/**
 * Predict calls are sent to a predictor-specific endpoint. This handler
 * extracts the PredictRequest's PredictEndpoint "parameter" and swaps it in as
 * the endpoint to send the request to.
 */
public class PredictEndpointHandler extends RequestHandler2 {

    @Override
    public void beforeRequest(Request request) {
        if (request.getOriginalRequest() instanceof PredictRequest) {
            PredictRequest pr = (PredictRequest) request.getOriginalRequest();
            if (pr.getPredictEndpoint() == null) {
                throw new AmazonClientException(
                        "PredictRequest.PredictEndpoint is required!");
            }

            try {

                request.setEndpoint(new URI(pr.getPredictEndpoint()));

            } catch (URISyntaxException e) {
                throw new AmazonClientException(
                        "Unable to parse PredictRequest.PredictEndpoint", e);
            }
        }
    }

    @Override
    public void afterResponse(Request request, Response response) {
    }

    @Override
    public void afterError(Request request, Response response, Exception e) {
    }
}