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Commit 886c940

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TechPrimers
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AWS Lambda API Example
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‎.gitignore

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.idea
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target
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*.iml

‎README.md

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# AWS Lambda Java API Example
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This example code is used for running a Java Lambda using API Gateway trigger.
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It uses AWS Lambda Core SDK for `RequestHandler` implementation which is called by the trigger

‎pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.techprimers.aws</groupId>
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<artifactId>lambda-java-api-example</artifactId>
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<version>1.0-SNAPSHOT</version>
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<name>lambda-java-api-example</name>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.amazonaws</groupId>
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<artifactId>aws-lambda-java-core</artifactId>
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<version>1.1.0</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.11</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>2.3</version>
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<configuration>
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<createDependencyReducedPom>false</createDependencyReducedPom>
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</configuration>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.0</version>
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<configuration>
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<source>1.8</source>
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<target>1.8</target>
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</configuration>
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</plugin>
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</plugins>
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</pluginManagement>
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</build>
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</project>
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package com.techprimers.aws;
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import java.util.Map;
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public class GatewayResponse {
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private String body;
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private Integer statusCode;
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private Map<String, String> headers;
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private boolean isBase64Encoded;
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public GatewayResponse(String body, Integer statusCode, Map<String, String> headers, boolean isBase64Encoded) {
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this.body = body;
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this.statusCode = statusCode;
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this.headers = headers;
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this.isBase64Encoded = isBase64Encoded;
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}
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public String getBody() {
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return body;
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}
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public void setBody(String body) {
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this.body = body;
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}
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public Integer getStatusCode() {
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return statusCode;
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}
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public void setStatusCode(Integer statusCode) {
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this.statusCode = statusCode;
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}
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public Map<String, String> getHeaders() {
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return headers;
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}
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public void setHeaders(Map<String, String> headers) {
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this.headers = headers;
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}
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public boolean isBase64Encoded() {
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return isBase64Encoded;
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}
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public void setBase64Encoded(boolean base64Encoded) {
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isBase64Encoded = base64Encoded;
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}
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}
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package com.techprimers.aws;
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import com.amazonaws.services.lambda.runtime.Context;
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import com.amazonaws.services.lambda.runtime.RequestHandler;
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import java.util.Collections;
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public class LambdaJavaAPI implements RequestHandler<Object, GatewayResponse> {
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@Override
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public GatewayResponse handleRequest(Object object, Context context) {
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String message = "Hello from TechPrimers";
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System.out.println(message);
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GatewayResponse response = new GatewayResponse(
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message,
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200,
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Collections.singletonMap("X-Powered-By", "TechPrimers"),
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false
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);
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return response;
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}
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}

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