Java service

.vscode/settings.json

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+{
+    "java.configuration.updateBuildConfiguration": "automatic"
+}

src/services/examples/backend.json

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+{
+  "type": "java",
+  "endpoints": {
+    "http": {
+      "/cart/checkout": ["sleep,1000", "sql://backend-db/?query=SELECT * from carts", ["http://ext-payment-1/pay", "http://ext-payment-2/pay"]],
+      "/cart/add": ["sql://backend-db/?query=SELECT * from carts"],
+      "error": [{"call": "error,500,Cart not found", "probability": 0.5}],
+      "/data": ["sleep,50", "log,warn,do some logging", "log,more logging", {
+        "call": "data",
+        "id": "price",
+        "type": "double",
+        "value": [1,2,3]
+      }, {
+        "call": "data",
+        "id": "randomThingy",
+        "chance": "integer,min:5,max:13"
+      }, {
+        "call": "data",
+        "id": "stuff",
+        "chance": "letter,casing:upper"
+      }]
+    }
+  },
+  "name": "backend"
+}

src/services/examples/database.json

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+{"type":"mysql","databases":{"shop":{"carts":["id","name","value"],"customers":["id","name","email"]}},"name":"backend-db"}

src/services/examples/frontend.json

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+{
+  "type": "nodejs",
+  "options": {
+    "connectionDelay": 500,
+    "httpLibrary": "request-promise"
+  },
+  "endpoints": {
+    "http": {
+      "/logo.png": ["sleep,1000"],
+      "/script.js": ["sleep,5000"],
+      "/checkout": ["http://backend/cart/checkout", "image,logo.png", "script,script.js","ajax,cache"],
+      "/addtocart": ["http://backend/cart/add", "slow,1500"],
+      "/cache": [["sleep,5000","sleep,5"], "cache,1024"],
+      "/schedule": ["sleep,50", {
+        "call": "error,500,oops",
+        "schedule": "0-30 * * * * * *"
+      }],
+      "/test": [{
+        "call": "http://localhost:9876/cache",
+        "catchExceptions": false,
+        "remoteTimeout": 2000
+      }],
+      "/data": ["sleep,50", "log,warn,do some logging", "log,more logging", {
+        "call": "data",
+        "id": "price",
+        "type": "double",
+        "value": [1,2,3]
+      }, {
+        "call": "data",
+        "id": "randomThingy",
+        "chance": "integer,min:5,max:13"
+      }, {
+        "call": "data",
+        "id": "stuff",
+        "chance": "letter,casing:upper"
+      }],
+      "/script": ["code,sample.js"]
+    }
+  },
+  "name": "frontend"
+}

src/services/java/.gitignore

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+.idea
+*.class
+target/maven-*
+extras/*.jar
+target/
+node.log
+javanode.iml

src/services/java/Dockerfile

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+FROM maven:3-jdk-11 AS build
+WORKDIR /home/app
+COPY src /home/app/src
+COPY pom.xml /home/app
+RUN mvn -f /home/app/pom.xml clean package
+
+FROM openjdk:11-jre
+RUN mkdir -p /app/dependency-jars
+WORKDIR /app
+COPY --from=build /home/app/target /app/
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypointk8s.sh
+COPY extras/* /app/
+EXPOSE 8080
+CMD ["/entrypoint.sh"]

src/services/java/entrypoint.sh

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+#!/bin/bash
+echo java -jar "javanode-1.0-SNAPSHOT.jar" 8080
+APP_CONFIG="$(</config.json)" java -jar "javanode-1.0-SNAPSHOT.jar" 8080
+

src/services/java/package.sh

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+#!/bin/bash
+mvn package

src/services/java/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.cisco.open.appsimulator.java</groupId>
+    <artifactId>javanode</artifactId>
+    <packaging>jar</packaging>
+    <version>1.0-SNAPSHOT</version>
+    <name>javanode</name>
+    <properties>
+        <jettyVersion>11.0.0.beta3</jettyVersion>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>jakarta.servlet</groupId>
+            <artifactId>jakarta.servlet-api</artifactId>
+            <version>5.0.0</version>
+        </dependency>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>5.1.49</version>
+        </dependency>
+        <dependency>
+          <groupId>org.mongodb</groupId>
+          <artifactId>mongo-java-driver</artifactId>
+          <version>3.12.7</version>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.jetty</groupId>
+            <artifactId>jetty-server</artifactId>
+            <version>${jettyVersion}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.jetty</groupId>
+            <artifactId>jetty-servlet</artifactId>
+            <version>${jettyVersion}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.jetty</groupId>
+            <artifactId>jetty-client</artifactId>
+            <version>${jettyVersion}</version>
+        </dependency>
+        <dependency>
+            <groupId>javax.json</groupId>
+            <artifactId>javax.json-api</artifactId>
+            <version>1.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish</groupId>
+            <artifactId>javax.json</artifactId>
+            <version>1.1</version>
+        </dependency>
+        <dependency>
+            <groupId>net.sf.ehcache</groupId>
+            <artifactId>ehcache</artifactId>
+            <version>2.10.5</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>2.0.16</version>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>1.5.12</version>
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+                <version>1.1</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>java</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <mainClass>com.cisco.open.appsimulator.JavaNode</mainClass>
+                    <arguments>
+                        <argument>8080</argument>
+                    </arguments>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>3.1.0</version>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <addClasspath>true</addClasspath>
+                            <mainClass>com.cisco.open.appsimulator.JavaNode</mainClass>
+                            <classpathPrefix>dependency-jars/</classpathPrefix>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+            <!-- Copy project dependency -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <version>2.5.1</version>
+                <executions>
+                    <execution>
+                        <id>copy-dependencies</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>copy-dependencies</goal>
+                        </goals>
+                        <configuration>
+                            <!-- exclude junit, we need runtime dependency only -->
+                            <includeScope>runtime</includeScope>
+                            <outputDirectory>${project.build.directory}/dependency-jars/</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <release>11</release>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/services/java/run.sh

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+#!/bin/bash
+env APP_CONFIG="$(<../examples/backend.json)" mvn -e compile exec:java

src/services/java/src/main/java/com/cisco/open/appsimulator/HttpException.java

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+package com.cisco.open.appsimulator;
+
+import java.io.IOException;
+
+public class HttpException extends IOException
+{
+  protected int code;
+
+  public HttpException(int code, String message) {
+    super(message);
+    this.code = code;
+  }
+
+  public int getCode() {
+    return this.code;
+  }
+}