BAEL-1727 (#4575)
* Moved Lambda examples to separate module Implementation of API Gateway example * Format fixes * Format fixes * Minor fixes * Minor fixes * Minor fixes * Adding SAM templates for "Introduction to AWS Serverless Application Model" * Fixing formatting with spaces
This commit is contained in:
markusgulden
KevinGilmore
parent
4e785fdc15
commit
f6f62ea0f5
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@ -0,0 +1,75 @@
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AWSTemplateFormatVersion: '2010-09-09'
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Transform: 'AWS::Serverless-2016-10-31'
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Description: Baeldung Serverless Application Model Example with Implicit API Definition
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Globals:
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Api:
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EndpointConfiguration: REGIONAL
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Name: "TestAPI"
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Resources:
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PersonTable:
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Type: AWS::Serverless::SimpleTable
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Properties:
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PrimaryKey:
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Name: id
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Type: Number
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TableName: Person
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StorePersonFunction:
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Type: AWS::Serverless::Function
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Properties:
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Handler: com.baeldung.lambda.apigateway.APIDemoHandler::handleRequest
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Runtime: java8
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Timeout: 15
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MemorySize: 512
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CodeUri: ../target/aws-lambda-0.1.0-SNAPSHOT.jar
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Policies:
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- DynamoDBCrudPolicy:
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TableName: !Ref PersonTable
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Environment:
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Variables:
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TABLE_NAME: !Ref PersonTable
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Events:
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StoreApi:
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Type: Api
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Properties:
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Path: /persons
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Method: PUT
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GetPersonByPathParamFunction:
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Type: AWS::Serverless::Function
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Properties:
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Handler: com.baeldung.lambda.apigateway.APIDemoHandler::handleGetByPathParam
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Runtime: java8
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Timeout: 15
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MemorySize: 512
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CodeUri: ../target/aws-lambda-0.1.0-SNAPSHOT.jar
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Policies:
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- DynamoDBReadPolicy:
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TableName: !Ref PersonTable
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Environment:
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Variables:
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TABLE_NAME: !Ref PersonTable
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Events:
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GetByPathApi:
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Type: Api
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Properties:
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Path: /persons/{id}
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Method: GET
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GetPersonByQueryParamFunction:
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Type: AWS::Serverless::Function
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Properties:
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Handler: com.baeldung.lambda.apigateway.APIDemoHandler::handleGetByQueryParam
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Runtime: java8
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Timeout: 15
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MemorySize: 512
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CodeUri: ../target/aws-lambda-0.1.0-SNAPSHOT.jar
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Policies:
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- DynamoDBReadPolicy:
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TableName: !Ref PersonTable
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Environment:
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Variables:
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TABLE_NAME: !Ref PersonTable
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Events:
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GetByQueryApi:
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Type: Api
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Properties:
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Path: /persons
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Method: GET
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@ -0,0 +1,127 @@
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AWSTemplateFormatVersion: '2010-09-09'
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Transform: 'AWS::Serverless-2016-10-31'
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Description: Baeldung Serverless Application Model Example with Inline Swagger API Definition
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Resources:
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PersonTable:
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Type: AWS::Serverless::SimpleTable
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Properties:
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PrimaryKey:
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Name: id
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Type: Number
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TableName: Person
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StorePersonFunction:
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Type: AWS::Serverless::Function
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Properties:
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Handler: com.baeldung.lambda.apigateway.APIDemoHandler::handleRequest
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Runtime: java8
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Timeout: 15
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MemorySize: 512
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CodeUri: ../target/aws-lambda-0.1.0-SNAPSHOT.jar
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Policies:
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- DynamoDBCrudPolicy:
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TableName: !Ref PersonTable
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Environment:
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Variables:
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TABLE_NAME: !Ref PersonTable
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Events:
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StoreApi:
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Type: Api
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Properties:
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Path: /persons
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Method: PUT
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RestApiId:
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Ref: MyApi
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GetPersonByPathParamFunction:
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Type: AWS::Serverless::Function
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Properties:
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Handler: com.baeldung.lambda.apigateway.APIDemoHandler::handleGetByPathParam
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Runtime: java8
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Timeout: 15
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MemorySize: 512
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CodeUri: ../target/aws-lambda-0.1.0-SNAPSHOT.jar
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Policies:
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- DynamoDBReadPolicy:
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TableName: !Ref PersonTable
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Environment:
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Variables:
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TABLE_NAME: !Ref PersonTable
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Events:
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GetByPathApi:
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Type: Api
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Properties:
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Path: /persons/{id}
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Method: GET
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RestApiId:
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Ref: MyApi
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GetPersonByQueryParamFunction:
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Type: AWS::Serverless::Function
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Properties:
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Handler: com.baeldung.lambda.apigateway.APIDemoHandler::handleGetByQueryParam
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Runtime: java8
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Timeout: 15
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MemorySize: 512
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CodeUri: ../target/aws-lambda-0.1.0-SNAPSHOT.jar
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Policies:
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- DynamoDBReadPolicy:
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TableName: !Ref PersonTable
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Environment:
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Variables:
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TABLE_NAME: !Ref PersonTable
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Events:
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GetByQueryApi:
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Type: Api
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Properties:
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Path: /persons
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Method: GET
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RestApiId:
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Ref: MyApi
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MyApi:
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Type: AWS::Serverless::Api
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Properties:
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StageName: test
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EndpointConfiguration: REGIONAL
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DefinitionBody:
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swagger: "2.0"
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info:
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title: "TestAPI"
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paths:
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/persons:
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get:
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parameters:
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- name: "id"
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in: "query"
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required: true
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type: "string"
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x-amazon-apigateway-request-validator: "Validate query string parameters and\
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\ headers"
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x-amazon-apigateway-integration:
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uri:
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Fn::Sub: arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${GetPersonByQueryParamFunction.Arn}/invocations
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responses: {}
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httpMethod: "POST"
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type: "aws_proxy"
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put:
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x-amazon-apigateway-integration:
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uri:
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Fn::Sub: arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${StorePersonFunction.Arn}/invocations
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responses: {}
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httpMethod: "POST"
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type: "aws_proxy"
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/persons/{id}:
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get:
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parameters:
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- name: "id"
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in: "path"
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required: true
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type: "string"
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responses: {}
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x-amazon-apigateway-integration:
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uri:
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Fn::Sub: arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${GetPersonByPathParamFunction.Arn}/invocations
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responses: {}
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httpMethod: "POST"
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type: "aws_proxy"
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x-amazon-apigateway-request-validators:
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Validate query string parameters and headers:
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validateRequestParameters: true
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validateRequestBody: false
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@ -15,152 +15,152 @@ import java.io.*;
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public class APIDemoHandler implements RequestStreamHandler {
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private JSONParser parser = new JSONParser();
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private static final String DYNAMODB_TABLE_NAME = System.getenv("TABLE_NAME");
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private JSONParser parser = new JSONParser();
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private static final String DYNAMODB_TABLE_NAME = System.getenv("TABLE_NAME");
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@Override
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public void handleRequest(InputStream inputStream, OutputStream outputStream, Context context) throws IOException {
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@Override
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public void handleRequest(InputStream inputStream, OutputStream outputStream, Context context) throws IOException {
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BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
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JSONObject responseJson = new JSONObject();
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BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
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JSONObject responseJson = new JSONObject();
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AmazonDynamoDB client = AmazonDynamoDBClientBuilder.defaultClient();
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DynamoDB dynamoDb = new DynamoDB(client);
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AmazonDynamoDB client = AmazonDynamoDBClientBuilder.defaultClient();
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DynamoDB dynamoDb = new DynamoDB(client);
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try {
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JSONObject event = (JSONObject) parser.parse(reader);
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try {
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JSONObject event = (JSONObject) parser.parse(reader);
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if (event.get("body") != null) {
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if (event.get("body") != null) {
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Person person = new Person((String) event.get("body"));
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Person person = new Person((String) event.get("body"));
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dynamoDb.getTable(DYNAMODB_TABLE_NAME)
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.putItem(new PutItemSpec().withItem(new Item().withNumber("id", person.getId())
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.withString("firstName", person.getFirstName())
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.withString("lastName", person.getLastName()).withNumber("age", person.getAge())
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.withString("address", person.getAddress())));
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}
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dynamoDb.getTable(DYNAMODB_TABLE_NAME)
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.putItem(new PutItemSpec().withItem(new Item().withNumber("id", person.getId())
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.withString("firstName", person.getFirstName())
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.withString("lastName", person.getLastName()).withNumber("age", person.getAge())
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.withString("address", person.getAddress())));
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}
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JSONObject responseBody = new JSONObject();
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responseBody.put("message", "New item created");
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JSONObject responseBody = new JSONObject();
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responseBody.put("message", "New item created");
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JSONObject headerJson = new JSONObject();
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headerJson.put("x-custom-header", "my custom header value");
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JSONObject headerJson = new JSONObject();
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headerJson.put("x-custom-header", "my custom header value");
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responseJson.put("statusCode", 200);
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responseJson.put("headers", headerJson);
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responseJson.put("body", responseBody.toString());
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responseJson.put("statusCode", 200);
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responseJson.put("headers", headerJson);
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responseJson.put("body", responseBody.toString());
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} catch (ParseException pex) {
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responseJson.put("statusCode", 400);
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responseJson.put("exception", pex);
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}
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} catch (ParseException pex) {
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responseJson.put("statusCode", 400);
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responseJson.put("exception", pex);
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}
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OutputStreamWriter writer = new OutputStreamWriter(outputStream, "UTF-8");
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writer.write(responseJson.toString());
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writer.close();
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}
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OutputStreamWriter writer = new OutputStreamWriter(outputStream, "UTF-8");
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writer.write(responseJson.toString());
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writer.close();
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}
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public void handleGetByPathParam(InputStream inputStream, OutputStream outputStream, Context context)
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throws IOException {
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public void handleGetByPathParam(InputStream inputStream, OutputStream outputStream, Context context)
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throws IOException {
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BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
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JSONObject responseJson = new JSONObject();
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BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
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JSONObject responseJson = new JSONObject();
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AmazonDynamoDB client = AmazonDynamoDBClientBuilder.defaultClient();
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DynamoDB dynamoDb = new DynamoDB(client);
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AmazonDynamoDB client = AmazonDynamoDBClientBuilder.defaultClient();
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DynamoDB dynamoDb = new DynamoDB(client);
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Item result = null;
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try {
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JSONObject event = (JSONObject) parser.parse(reader);
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JSONObject responseBody = new JSONObject();
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Item result = null;
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try {
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JSONObject event = (JSONObject) parser.parse(reader);
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JSONObject responseBody = new JSONObject();
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if (event.get("pathParameters") != null) {
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if (event.get("pathParameters") != null) {
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JSONObject pps = (JSONObject) event.get("pathParameters");
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if (pps.get("id") != null) {
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JSONObject pps = (JSONObject) event.get("pathParameters");
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if (pps.get("id") != null) {
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int id = Integer.parseInt((String) pps.get("id"));
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result = dynamoDb.getTable(DYNAMODB_TABLE_NAME).getItem("id", id);
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}
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int id = Integer.parseInt((String) pps.get("id"));
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result = dynamoDb.getTable(DYNAMODB_TABLE_NAME).getItem("id", id);
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}
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}
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if (result != null) {
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}
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if (result != null) {
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Person person = new Person(result.toJSON());
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responseBody.put("Person", person);
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responseJson.put("statusCode", 200);
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} else {
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Person person = new Person(result.toJSON());
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responseBody.put("Person", person);
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responseJson.put("statusCode", 200);
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} else {
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responseBody.put("message", "No item found");
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responseJson.put("statusCode", 404);
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}
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responseBody.put("message", "No item found");
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responseJson.put("statusCode", 404);
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}
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JSONObject headerJson = new JSONObject();
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headerJson.put("x-custom-header", "my custom header value");
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JSONObject headerJson = new JSONObject();
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headerJson.put("x-custom-header", "my custom header value");
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responseJson.put("headers", headerJson);
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responseJson.put("body", responseBody.toString());
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responseJson.put("headers", headerJson);
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responseJson.put("body", responseBody.toString());
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} catch (ParseException pex) {
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responseJson.put("statusCode", 400);
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responseJson.put("exception", pex);
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}
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} catch (ParseException pex) {
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responseJson.put("statusCode", 400);
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responseJson.put("exception", pex);
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}
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OutputStreamWriter writer = new OutputStreamWriter(outputStream, "UTF-8");
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writer.write(responseJson.toString());
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writer.close();
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}
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OutputStreamWriter writer = new OutputStreamWriter(outputStream, "UTF-8");
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writer.write(responseJson.toString());
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writer.close();
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}
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public void handleGetByQueryParam(InputStream inputStream, OutputStream outputStream, Context context)
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throws IOException {
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public void handleGetByQueryParam(InputStream inputStream, OutputStream outputStream, Context context)
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throws IOException {
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BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
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JSONObject responseJson = new JSONObject();
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BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
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JSONObject responseJson = new JSONObject();
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AmazonDynamoDB client = AmazonDynamoDBClientBuilder.defaultClient();
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DynamoDB dynamoDb = new DynamoDB(client);
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AmazonDynamoDB client = AmazonDynamoDBClientBuilder.defaultClient();
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DynamoDB dynamoDb = new DynamoDB(client);
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Item result = null;
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try {
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JSONObject event = (JSONObject) parser.parse(reader);
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JSONObject responseBody = new JSONObject();
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Item result = null;
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try {
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JSONObject event = (JSONObject) parser.parse(reader);
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JSONObject responseBody = new JSONObject();
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if (event.get("queryStringParameters") != null) {
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if (event.get("queryStringParameters") != null) {
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JSONObject qps = (JSONObject) event.get("queryStringParameters");
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if (qps.get("id") != null) {
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JSONObject qps = (JSONObject) event.get("queryStringParameters");
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if (qps.get("id") != null) {
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int id = Integer.parseInt((String) qps.get("id"));
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result = dynamoDb.getTable(DYNAMODB_TABLE_NAME).getItem("id", id);
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}
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}
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int id = Integer.parseInt((String) qps.get("id"));
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result = dynamoDb.getTable(DYNAMODB_TABLE_NAME).getItem("id", id);
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}
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}
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if (result != null) {
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if (result != null) {
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Person person = new Person(result.toJSON());
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responseBody.put("Person", person);
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responseJson.put("statusCode", 200);
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} else {
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Person person = new Person(result.toJSON());
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responseBody.put("Person", person);
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responseJson.put("statusCode", 200);
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} else {
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responseBody.put("message", "No item found");
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responseJson.put("statusCode", 404);
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}
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responseBody.put("message", "No item found");
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responseJson.put("statusCode", 404);
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}
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JSONObject headerJson = new JSONObject();
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headerJson.put("x-custom-header", "my custom header value");
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JSONObject headerJson = new JSONObject();
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headerJson.put("x-custom-header", "my custom header value");
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responseJson.put("headers", headerJson);
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responseJson.put("body", responseBody.toString());
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responseJson.put("headers", headerJson);
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responseJson.put("body", responseBody.toString());
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} catch (ParseException pex) {
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responseJson.put("statusCode", 400);
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responseJson.put("exception", pex);
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}
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} catch (ParseException pex) {
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responseJson.put("statusCode", 400);
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responseJson.put("exception", pex);
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}
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OutputStreamWriter writer = new OutputStreamWriter(outputStream, "UTF-8");
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writer.write(responseJson.toString());
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writer.close();
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}
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OutputStreamWriter writer = new OutputStreamWriter(outputStream, "UTF-8");
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writer.write(responseJson.toString());
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writer.close();
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}
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}
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@ -5,64 +5,64 @@ import com.google.gson.GsonBuilder;
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public class Person {
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private int id;
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private String firstName;
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private String lastName;
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private int age;
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private String address;
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private int id;
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private String firstName;
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private String lastName;
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private int age;
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private String address;
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public Person(String json) {
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Gson gson = new Gson();
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Person request = gson.fromJson(json, Person.class);
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this.id = request.getId();
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this.firstName = request.getFirstName();
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this.lastName = request.getLastName();
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||||
this.age = request.getAge();
|
||||
this.address = request.getAddress();
|
||||
}
|
||||
public Person(String json) {
|
||||
Gson gson = new Gson();
|
||||
Person request = gson.fromJson(json, Person.class);
|
||||
this.id = request.getId();
|
||||
this.firstName = request.getFirstName();
|
||||
this.lastName = request.getLastName();
|
||||
this.age = request.getAge();
|
||||
this.address = request.getAddress();
|
||||
}
|
||||
|
||||
public String toString() {
|
||||
final Gson gson = new GsonBuilder().setPrettyPrinting().create();
|
||||
return gson.toJson(this);
|
||||
}
|
||||
public String toString() {
|
||||
final Gson gson = new GsonBuilder().setPrettyPrinting().create();
|
||||
return gson.toJson(this);
|
||||
}
|
||||
|
||||
public int getId() {
|
||||
return id;
|
||||
}
|
||||
public int getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(int id) {
|
||||
this.id = id;
|
||||
}
|
||||
public void setId(int id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public String getFirstName() {
|
||||
return firstName;
|
||||
}
|
||||
public String getFirstName() {
|
||||
return firstName;
|
||||
}
|
||||
|
||||
public void setFirstName(String firstName) {
|
||||
this.firstName = firstName;
|
||||
}
|
||||
public void setFirstName(String firstName) {
|
||||
this.firstName = firstName;
|
||||
}
|
||||
|
||||
public String getLastName() {
|
||||
return lastName;
|
||||
}
|
||||
public String getLastName() {
|
||||
return lastName;
|
||||
}
|
||||
|
||||
public void setLastName(String lastName) {
|
||||
this.lastName = lastName;
|
||||
}
|
||||
public void setLastName(String lastName) {
|
||||
this.lastName = lastName;
|
||||
}
|
||||
|
||||
public int getAge() {
|
||||
return age;
|
||||
}
|
||||
public int getAge() {
|
||||
return age;
|
||||
}
|
||||
|
||||
public void setAge(int age) {
|
||||
this.age = age;
|
||||
}
|
||||
public void setAge(int age) {
|
||||
this.age = age;
|
||||
}
|
||||
|
||||
public String getAddress() {
|
||||
return address;
|
||||
}
|
||||
public String getAddress() {
|
||||
return address;
|
||||
}
|
||||
|
||||
public void setAddress(String address) {
|
||||
this.address = address;
|
||||
public void setAddress(String address) {
|
||||
this.address = address;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue