Grails GWT for Grails 3.2

[dap10]

Hi,

Could you please indicate if/when a grails 3 version of grails-gwt will be released?

Thanks In Advance,
David

[donbeave]

Hi, David!

My suggestion is switch to use GWT Gradle plugin, not need to use any Grails GWT plugin.

If u need some example how to use GWT Gradle plugin with Grails 3.2, I can share my files.

Best regards,
Alexey Zhokhov.

[dap10]

Hi Alexey,

Can you please share your files for an example of using the GWT Gradle plugin with Grails 3.2 as that would be greatly appreciated.

Thanks in Advance,
David
David Pollum.

[donbeave]

root build.gradle:

buildscript {
    repositories {
        mavenCentral()
        jcenter()
    }
}
allprojects {
    repositories {
        mavenCentral()
        jcenter()
    }
}

client directory (for GWT files):

gradle.properties:

gradleWrapperVersion=2.9

build.gradle:

buildscript {
    repositories {
        jcenter()
        mavenLocal()
        maven { url 'http://dl.bintray.com/steffenschaefer/maven' }
    }
    dependencies {
        classpath 'de.richsource.gradle.plugins:gwt-gradle-plugin:0.6'
    }
}

ext {
    appVersion = '0.1-SNAPSHOT'
    gradleWrapperVersion = project.gradleWrapperVersion
    gwtVersion = '2.8.0-beta1'
}

version appVersion
group 'com.myapp.client'

apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'war'
apply plugin: 'gwt'

sourceCompatibility = 1.8
targetCompatibility = 1.8

repositories {
    jcenter()
    mavenLocal()
    mavenCentral()
    maven { url 'https://oss.sonatype.org/content/repositories/snapshots' }
    maven { url 'https://nexus.codehaus.org/content/repositories/snapshots' }
    maven { url 'https://oss.sonatype.org/content/repositories/google-snapshots' }
    // ...
}

dependencies {
    compile "com.google.gwt:gwt-user:$gwtVersion"
    compile "com.google.gwt:gwt-elemental:$gwtVersion"
    compile "com.google.gwt:gwt-dev:$gwtVersion"
    compile('com.google.gwt.inject:gin:2.1.2') {
        exclude group: 'asm', module: 'asm'
        exclude group: 'com.google.gwt', module: 'gwt-dev'
        exclude group: 'com.google.gwt', module: 'gwt-user'
        exclude group: 'com.google.gwt', module: 'gwt-elemental'
    }
    // gwtp dependencies...
    compile('com.gwtplatform:gwtp-mvp-client:1.5.3') {
        exclude group: 'asm', module: 'asm'
        exclude group: 'com.google.gwt', module: 'gwt-dev'
        exclude group: 'com.google.gwt', module: 'gwt-user'
        exclude group: 'com.google.gwt', module: 'gwt-elemental'
    }
    // .....
}

gwt {
    gwtVersion = gwtVersion
    modules = ['com.myapp.MyApp']
    incremental = false
    sourceLevel = '1.8'

    compiler {
        if (System.getenv('GWT_WORKERS')) {
            println "Setting ${System.getenv('GWT_WORKERS')} GWT workers"
            localWorkers = Integer.parseInt(System.getenv('GWT_WORKERS'))
        }
        optimize = 9
        enableClosureCompiler = true
        disableClassMetadata = true
        disableCastChecking = true
    }

    superDev {
        noPrecompile = true
    }

    minHeapSize = '512M'
    maxHeapSize = '2048M'
}

version.sh script:

#!/usr/bin/env bash

ABSOLUTE_PATH=$(cd `dirname "${BASH_SOURCE[0]}"` && pwd)
cd $ABSOLUTE_PATH

appVersion="$(grep 'appVersion =' build.gradle | egrep -v ^[[:blank:]]*\/\/)"
appVersion="${appVersion#*=}"
appVersion="${appVersion//[[:blank:]\'\"]/}"
echo $appVersion;

build.sh script:

#!/usr/bin/env bash

printf "> \e[1;37mBuilding myapp-client\e[0m\n\n"

set -e

ABSOLUTE_PATH=$(cd `dirname "${BASH_SOURCE[0]}"` && pwd)
cd $ABSOLUTE_PATH

appVersion=$(./version.sh)

printf "# Project version \e[1;37m$appVersion\e[0m\n\n"

printf "# Building Gradle project\n\n"
./gradlew build

printf "\n# Copy built project to myapp-server\n\n"
rm -rf $ABSOLUTE_PATH/../server/grails-app/assets/javascripts/gwt
mkdir -p $ABSOLUTE_PATH/../server/grails-app/assets/javascripts/gwt
cp -R $ABSOLUTE_PATH/build/gwt/out/myapp $ABSOLUTE_PATH/../server/grails-app/assets/javascripts/gwt/

server directory (for Grails app):

gradle.properties:

grailsVersion=3.1.9
gormVersion=5.0.10
gradleWrapperVersion=2.13

build.gradle:

buildscript {
    ext {
        grailsVersion = project.grailsVersion
        gormVersion = project.gormVersion
    }
    repositories {
        jcenter()
        mavenLocal()
        maven { url 'https://repo.grails.org/grails/core' }
        maven { url 'http://dl.bintray.com/steffenschaefer/maven' }
        maven { url 'https://plugins.gradle.org/m2/' }
    }
    dependencies {
        classpath "org.grails:grails-gradle-plugin:$grailsVersion"
        classpath 'com.bertramlabs.plugins:asset-pipeline-gradle:2.13.1'
        classpath "org.grails.plugins:hibernate5:$gormVersion"
    }
}

ext {
    appVersion = '0.1-SNAPSHOT'
    grailsVersion = project.grailsVersion
    gormVersion = project.gormVersion
    gradleWrapperVersion = project.gradleWrapperVersion
}

version appVersion
group 'com.myapp.server'

apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'war'
apply plugin: 'org.grails.grails-web'
apply plugin: 'org.grails.grails-gsp'
apply plugin: 'asset-pipeline'

sourceCompatibility = 1.8
targetCompatibility = 1.8

repositories {
    mavenLocal()
    jcenter()
    maven { url 'https://repo.grails.org/grails/core' }
    maven { url 'https://oss.sonatype.org/content/repositories/snapshots' }
}

dependencyManagement {
    imports {
        mavenBom "org.grails:grails-bom:$grailsVersion"
    }
    applyMavenExclusions false
}

configurations.all {
    exclude module: 'spring-boot-starter-jetty'
    exclude module: 'gwt-dev'
}

dependencies {
    // Grails deps
    compile 'org.springframework.boot:spring-boot-starter-logging'
    compile 'org.springframework.boot:spring-boot-autoconfigure'
    compile 'org.grails:grails-core'
    compile 'org.springframework.boot:spring-boot-starter-actuator'
    compile "org.springframework.boot:spring-boot-starter-tomcat"
    compile 'org.grails:grails-dependencies'
    compile 'org.grails:grails-web-boot'
    console 'org.grails:grails-console'
    profile "org.grails.profiles:web:$grailsVersion"
    runtime 'com.h2database:h2'
    testCompile 'org.grails:grails-plugin-testing'
    testCompile 'org.grails.plugins:geb'
    testRuntime 'org.seleniumhq.selenium:selenium-htmlunit-driver:2.47.1'
    testRuntime 'net.sourceforge.htmlunit:htmlunit:2.18'

    // plugins
    compile "org.grails.plugins:hibernate5:$gormVersion"
    compile 'org.grails.plugins:quartz:2.0.9'
    compile 'org.grails.plugins:quartz-monitor:1.2'
    runtime 'org.grails.plugins:grails-console:2.0.5'
    runtime 'com.bertramlabs.plugins:asset-pipeline-grails:2.13.1'
    assets 'com.bertramlabs.plugins:less-asset-pipeline:2.13.1'

    // libraries
    compile 'org.hibernate:hibernate-core:5.1.0.Final'
    compile 'org.hibernate:hibernate-ehcache:5.1.0.Final'
}

task wrapper(type: Wrapper) {
    gradleVersion = gradleWrapperVersion
}

assets {
    minifyJs = true
    minifyCss = true
    enableSourceMaps = false
}

version.sh script:

#!/usr/bin/env bash

ABSOLUTE_PATH=$(cd `dirname "${BASH_SOURCE[0]}"` && pwd)
cd $ABSOLUTE_PATH

appVersion="$(grep 'appVersion =' build.gradle | egrep -v ^[[:blank:]]*\/\/)"
appVersion="${appVersion#*=}"
appVersion="${appVersion//[[:blank:]\'\"]/}"
echo $appVersion;

build.sh script:

#!/usr/bin/env bash

printf "> \e[1;37mBuilding myapp-server\e[0m\n\n"

set -e

ABSOLUTE_PATH=$(cd `dirname "${BASH_SOURCE[0]}"` && pwd)
cd $ABSOLUTE_PATH

GIT_COMMIT_SHORTHASH=$(git log --pretty=format:'%h' -n 1)

appVersion=$(./version.sh)

printf "# Project version \e[1;37m$appVersion\e[0m\n\n"

printf "# Building Gradle project\n\n"
./gradlew -Dgrails.env=production build

Usage:

For running SuperDev mode do:

cd client
./gradlew gwtSuperDev

[dap10]

Thank you @donbeave for providing those example files, it is much clearer now!
Kind Regards,
David