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

Show more of this group Show more artifacts with this name
Show all versions of aws-java-sdk-lambda Show documentation
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: 1.12.753
/*
 * Copyright 2011-2016 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.SdkClientException;
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.*;

/**
 * UpdateAliasRequest Marshaller
 */
public class UpdateAliasRequestMarshaller implements Marshaller, UpdateAliasRequest> {

    private final SdkJsonProtocolFactory protocolFactory;

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

    public Request marshall(UpdateAliasRequest updateAliasRequest) {

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

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

        request.setHttpMethod(HttpMethodName.PUT);

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

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

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

            if (updateAliasRequest.getFunctionVersion() != null) {
                jsonGenerator.writeFieldName("FunctionVersion").writeValue(updateAliasRequest.getFunctionVersion());
            }
            if (updateAliasRequest.getDescription() != null) {
                jsonGenerator.writeFieldName("Description").writeValue(updateAliasRequest.getDescription());
            }

            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", protocolFactory.getContentType());
            }
        } catch (Throwable t) {
            throw new SdkClientException("Unable to marshall request to JSON: " + t.getMessage(), t);
        }

        return request;
    }

}