com.amazonaws.services.lambda.model.transform.UpdateFunctionConfigurationRequestMarshaller Maven / Gradle / Ivy

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The AWS Java SDK for AWS Lambda module holds the client classes that are used for communicating with AWS Lambda Service
There is a newer version: 1.12.780
/*
 * Copyright 2010-2016 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.lambda.model.transform;

import static com.amazonaws.util.StringUtils.UTF8;
import static com.amazonaws.util.StringUtils.COMMA_SEPARATOR;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.List;
import java.util.regex.Pattern;

import com.amazonaws.AmazonClientException;
import com.amazonaws.Request;
import com.amazonaws.DefaultRequest;
import com.amazonaws.http.HttpMethodName;
import com.amazonaws.services.lambda.model.*;
import com.amazonaws.transform.Marshaller;
import com.amazonaws.util.BinaryUtils;
import com.amazonaws.util.StringUtils;
import com.amazonaws.util.IdempotentUtils;
import com.amazonaws.util.StringInputStream;
import com.amazonaws.util.SdkHttpUtils;
import com.amazonaws.protocol.json.*;

/**
 * UpdateFunctionConfigurationRequest Marshaller
 */
public class UpdateFunctionConfigurationRequestMarshaller
        implements
        Marshaller, UpdateFunctionConfigurationRequest> {

    private static final String DEFAULT_CONTENT_TYPE = "application/x-amz-json-1.1";

    private final SdkJsonProtocolFactory protocolFactory;

    public UpdateFunctionConfigurationRequestMarshaller(
            SdkJsonProtocolFactory protocolFactory) {
        this.protocolFactory = protocolFactory;
    }

    public Request marshall(
            UpdateFunctionConfigurationRequest updateFunctionConfigurationRequest) {

        if (updateFunctionConfigurationRequest == null) {
            throw new AmazonClientException(
                    "Invalid argument passed to marshall(...)");
        }

        Request request = new DefaultRequest(
                updateFunctionConfigurationRequest, "AWSLambda");

        request.setHttpMethod(HttpMethodName.PUT);

        String uriResourcePath = "/2015-03-31/functions/{FunctionName}/configuration";

        uriResourcePath = uriResourcePath
                .replace(
                        "{FunctionName}",
                        (updateFunctionConfigurationRequest.getFunctionName() != null) ? SdkHttpUtils.urlEncode(
                                StringUtils
                                        .fromString(updateFunctionConfigurationRequest
                                                .getFunctionName()), false)
                                : "");
        request.setResourcePath(uriResourcePath);

        try {
            final StructuredJsonGenerator jsonGenerator = protocolFactory
                    .createGenerator();
            jsonGenerator.writeStartObject();

            if (updateFunctionConfigurationRequest.getRole() != null) {
                jsonGenerator.writeFieldName("Role").writeValue(
                        updateFunctionConfigurationRequest.getRole());
            }
            if (updateFunctionConfigurationRequest.getHandler() != null) {
                jsonGenerator.writeFieldName("Handler").writeValue(
                        updateFunctionConfigurationRequest.getHandler());
            }
            if (updateFunctionConfigurationRequest.getDescription() != null) {
                jsonGenerator.writeFieldName("Description").writeValue(
                        updateFunctionConfigurationRequest.getDescription());
            }
            if (updateFunctionConfigurationRequest.getTimeout() != null) {
                jsonGenerator.writeFieldName("Timeout").writeValue(
                        updateFunctionConfigurationRequest.getTimeout());
            }
            if (updateFunctionConfigurationRequest.getMemorySize() != null) {
                jsonGenerator.writeFieldName("MemorySize").writeValue(
                        updateFunctionConfigurationRequest.getMemorySize());
            }
            if (updateFunctionConfigurationRequest.getVpcConfig() != null) {
                jsonGenerator.writeFieldName("VpcConfig");
                VpcConfigJsonMarshaller.getInstance().marshall(
                        updateFunctionConfigurationRequest.getVpcConfig(),
                        jsonGenerator);
            }
            if (updateFunctionConfigurationRequest.getRuntime() != null) {
                jsonGenerator.writeFieldName("Runtime").writeValue(
                        updateFunctionConfigurationRequest.getRuntime());
            }

            jsonGenerator.writeEndObject();

            byte[] content = jsonGenerator.getBytes();
            request.setContent(new ByteArrayInputStream(content));
            request.addHeader("Content-Length",
                    Integer.toString(content.length));
            if (!request.getHeaders().containsKey("Content-Type")) {
                request.addHeader("Content-Type", DEFAULT_CONTENT_TYPE);
            }
        } catch (Throwable t) {
            throw new AmazonClientException(
                    "Unable to marshall request to JSON: " + t.getMessage(), t);
        }

        return request;
    }

}