Monthly Archive: November 2015

November 26, 2015

Spring-Boot / Groovy / MVC “Hello World” example

The complete project can be found here: https://github.com/mtrojahn/spring-boot-groovy-mvc-simple This is yet another very basic example. This time I’ll show how to create get a Web-MVC Spring-Boot project started. You will notice I take the no-XML approach and I’ll try to keep my examples as XML-free as they can be because it’s hard to find fresh documentation about it on the Web. So, let me start with the build.gradle file:

group 'com.mtrojahn'
version '1.0-SNAPSHOT'

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath "org.springframework.boot:spring-boot-gradle-plugin:1.3.0.RELEASE"
    }
}

apply plugin: 'groovy'
apply plugin: 'spring-boot'

repositories {
    mavenCentral()
}

sourceCompatibility = 1.8
targetCompatibility = 1.8

dependencies {
    compile "org.springframework.boot:spring-boot-starter-web"
    compile 'org.codehaus.groovy:groovy-all'
    testCompile "junit:junit"
}

bootRun {
    addResources = true
}

group 'com.mtrojahn'

version '1.0-SNAPSHOT'

buildscript {

repositories {

mavenCentral()

}

dependencies {

classpath "org.springframework.boot:spring-boot-gradle-plugin:1.3.0.RELEASE"

}

apply plugin: 'groovy'

apply plugin: 'spring-boot'

repositories {

mavenCentral()

}

sourceCompatibility = 1.8

targetCompatibility = 1.8

dependencies {

compile "org.springframework.boot:spring-boot-starter-web"

compile 'org.codehaus.groovy:groovy-all'

testCompile "junit:junit"

}

bootRun {

addResources = true

}

As you can see, no big changes from my previous example. Basically all you have to do is change spring-boot-starter to spring-boot-starter-web. Ok, now let’s have a look on the...

Tutorial

November 25, 2015

Spring-Boot / Groovy / Gradle “Hello World” application

The complete code for this project can be found here: https://github.com/mtrojahn/spring-boot-groovy-console-app Last weekend I was playing around with Gradle which I have never used before. The result is this very basic spring-boot project just to illustrate how I did it. Gradle isn’t that difficult but I had a few problems until I learn about the spring-boot-gradle-plugin and such. This is the build.gradle:

group 'com.mtrojahn'
version '1.0-SNAPSHOT'

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath "org.springframework.boot:spring-boot-gradle-plugin:1.3.0.RELEASE"
    }
}

apply plugin: 'groovy'
apply plugin: 'spring-boot'

repositories {
    mavenCentral()
}

sourceCompatibility = 1.8
targetCompatibility = 1.8

dependencies {
    compile "org.springframework.boot:spring-boot-starter"
    compile 'org.codehaus.groovy:groovy-all'
    testCompile "junit:junit"
}

bootRun {
    addResources = true
}

group 'com.mtrojahn'

version '1.0-SNAPSHOT'

buildscript {

repositories {

mavenCentral()

}

dependencies {

classpath "org.springframework.boot:spring-boot-gradle-plugin:1.3.0.RELEASE"

}

apply plugin: 'groovy'

apply plugin: 'spring-boot'

repositories {

mavenCentral()

}

sourceCompatibility = 1.8

targetCompatibility = 1.8

dependencies {

compile "org.springframework.boot:spring-boot-starter"

compile 'org.codehaus.groovy:groovy-all'

testCompile "junit:junit"

}

bootRun {

addResources = true

}

As you can see it’s fairly simple and way more organized than Maven in my opinion. The spring-boot-gradle-plugin is the key here. It provides all the version information for the dependencies and also adds a Gradle task...

Tutorial

November 25, 2015

Spring-boot / Maven simple “Hello World” application

The complete code for this application: https://github.com/mtrojahn/spring-boot-console-app In this example I’ll try to show how to create a simple console application to print out the traditional “Hello World” message using spring-boot on a Maven project. I’ll try to keep it as simple as possible for now and I’ll most likely use this code as base for new posts. Let’s start with the pom.xml file.

<!--?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/xsd/maven-4.0.0.xsd">
    <modelversion>4.0.0</modelversion>

    <groupid>com.mtrojahn</groupid>
    <artifactid>spring-boot-console-app</artifactid>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>

    <properties>
        <project.build.sourceencoding>UTF-8</project.build.sourceencoding>
        <java.version>1.8</java.version>
        <start-class>com.mtrojahn.boot.Application</start-class>
    </properties>

    <parent>
        <groupid>org.springframework.boot</groupid>
        <artifactid>spring-boot-starter-parent</artifactid>
        <version>1.3.0.RELEASE</version>
    </parent>

    <dependencies>
        <dependency>
            <groupid>org.springframework.boot</groupid>
            <artifactid>spring-boot-starter</artifactid>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupid>org.apache.maven.plugins</groupid>
                <artifactid>maven-compiler-plugin</artifactid>
                <version>3.3</version>
                <configuration>
                    <target>1.8</target>
                </configuration>
            </plugin>
            <plugin>
                <groupid>org.apache.maven.plugins</groupid>
                <artifactid>maven-surefire-plugin</artifactid>
                <version>2.19</version>
                <configuration>
                    <skiptests>true</skiptests>
                </configuration>
            </plugin>
            <plugin>
                <groupid>org.springframework.boot</groupid>
                <artifactid>spring-boot-maven-plugin</artifactid>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>

<groupid>com.mtrojahn</groupid>

<artifactid>spring-boot-console-app</artifactid>

<version>1.0-SNAPSHOT</version>

<project.build.sourceencoding>UTF-8</project.build.sourceencoding>

<java.version>1.8</java.version>

<start-class>com.mtrojahn.boot.Application</start-class>

</properties>

<groupid>org.springframework.boot</groupid>

<artifactid>spring-boot-starter-parent</artifactid>

<version>1.3.0.RELEASE</version>

</parent>

<groupid>org.springframework.boot</groupid>

<artifactid>spring-boot-starter</artifactid>

</dependency>

</dependencies>

<build>

<groupid>org.apache.maven.plugins</groupid>

<artifactid>maven-compiler-plugin</artifactid>

</configuration>

</plugin>

<groupid>org.apache.maven.plugins</groupid>

<artifactid>maven-surefire-plugin</artifactid>

</configuration>

</plugin>

<groupid>org.springframework.boot</groupid>

<artifactid>spring-boot-maven-plugin</artifactid>

<goals>

<goal>repackage</goal>

</goals>

</execution>

</executions>

</plugin>

</plugins>

</build>

</project>

This is a simple console application so, for now, we only need “spring-boot-starter” as dependency. You can also notice that I included a few plugins. The most important for now is the spring-boot-maven-plugin which will...

Monthly Archive: November 2015

Spring-Boot / Groovy / MVC “Hello World” example

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Monthly Archive: November 2015

Spring-Boot / Groovy / MVC “Hello World” example

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Spring-Boot / Groovy / Gradle “Hello World” application

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Spring-boot / Maven simple “Hello World” application

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