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plain-http-servlet

README.adoc

java-ee-examples Build Status

plain HTTP Servlet

JBOSS EAP 7.1

build and run using docker
docker-compose down -v; ./mvnw clean package; ./gradlew clean build; docker-compose up --build --force-recreate --remove-orphans

http :8081/plain-http-servlet/
http :8082/plain-http-servlet/
project structure
mkdir -p src/main/java/daggerok \
         src/main/webapp/WEB-INF

touch src/main/java/daggerok/AppServlet.java \
      src/main/webapp/WEB-INF/web.xml \
      build.gradle \
      pom.xml
vim src/main/java/daggerok/AppServlet.java
@WebServlet("/")
public class AppServlet extends HttpServlet {

  @Override
  public void service(final ServletRequest req, final ServletResponse res) throws ServletException, IOException {
    final PrintWroter writer = res.getWriter();
    writer.println("<b>hi!</b>");
    writer.close();
  }
}
vim src/main/webapp/WEB-INF/web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">
</web-app>
vim build.gradle
plugins {
  id "war"
}

group "daggerok"
version "0.0.1"
description "ololo trololo"
sourceCompatibility = targetCompatibility = JavaVersion.VERSION_1_7

war {
  archiveName = "${project.name}.war"
}

repositories {
  mavenCentral()
}

dependencies {
  providedCompile "javax.servlet:javax.servlet-api:3.1.0"
}
vim pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <groupId>daggerok</groupId>
  <artifactId>plain-http-servlet</artifactId>
  <version>0.0.1</version>
  <packaging>war</packaging>

  <name>plain-http-servlet</name>
  <description>ololo trololo</description>

  <properties>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>

  <dependencies>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.1.0</version>
      <optional>true</optional>
    </dependency>
  </dependencies>

  <build>
    <finalName>${project.artifactId}</finalName>
    <defaultGoal>clean package</defaultGoal>

    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-war-plugin</artifactId>
        <version>2.5</version>
        <configuration>
          <failOnMissingWebXml>false</failOnMissingWebXml>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>