JBoss Fuse-

Running on JBoss EAP

Christina Lin

Before you begin....

Here are few things you will need to have:

 

  • Installed JBoss Developer Studio with Integration plugins
  • Download JBoss EAP 6.4.0 jar installer
    • jboss-eap-6.4.0-installer.jar
  • Download JBoss Fuse EAP patch 
    • fuse-eap-installer-6.2.1.redhat-xxx.jar

Setup local maven repositories

  • Go to your ~/.m2/settings.xml, add the following repositories. 

 

  <profiles>

    <profile>
      <id>jboss-repos</id>
      <repositories>
        
<repository>
            <id>jboss-ga-repository</id>
            <url>http://maven.repository.redhat.com/techpreview/all</url>
            <releases>

           <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>

 

Setup local maven repositories

  • Continued...

 

      <repository>
            <id>jboss-earlyaccess-repository</id>
            <url>http://maven.repository.redhat.com/earlyaccess/all/</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>

      </repositories>
       

Setup local maven repositories

  • Continued... 

 

<pluginRepositories>
    
<pluginRepository>
            <id>jboss-earlyaccess-plugin-repository</id>
            <url>http://maven.repository.redhat.com/earlyaccess/all/</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </pluginRepository>

Setup local maven repositories

  • Continued... 

 

        <pluginRepository>
            <id>jboss-ga-plugin-repository</id>
            <url>http://maven.repository.redhat.com/techpreview/all</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </pluginRepository>

       </pluginRepositories>
    </profile>

Setup local maven repositories

  • Continued... 

 

<profile>
      <id>fuse-repos</id>
      <repositories>
  
   <repository>
            <id>fusesource-release-repository</id>
            <url>https://repo.fusesource.com/nexus/content/groups/public/</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
            <releases>
                <enabled>true</enabled>
            </releases>
        </repository>

 

Setup local maven repositories

  • Continued... 

 

        <repository>
            <id>fusesource-earlyaccess-repository</id>
            <url>https://repo.fusesource.com/nexus/content/groups/ea</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
            <releases>
                <enabled>true</enabled>
            </releases>
       </repository>
  </repositories>

 

Setup local maven repositories

  • Continued... 

 

         

<pluginRepositories>
       <pluginRepository>
            <id>fusesource-release-plugin-repository</id>
            <url>https://repo.fusesource.com/nexus/content/groups/public/</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
       </pluginRepository>

 

Setup local maven repositories

  • Continued... 

 

         

 

       <pluginRepository>
            <id>fusesource-earlyaccess-plugin-repository</id>
            <url>https://repo.fusesource.com/nexus/content/groups/ea</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
       </pluginRepository>
     </pluginRepositories>
   </profile>

</profiles>

Setup local maven repositories

  • Continued... 

 

<activeProfiles>
    <activeProfile>jboss-repos</activeProfile>
    <activeProfile>fuse-repos</activeProfile>
 </activeProfiles>

Currency Exchange Application

Setup JBoss EAP

Run jboss-eap-6.4.0-installer.jar to start install JBoss EAP

Install Fuse in EAP

Run fuse-eap-installer-6.2.1.redhat-xxx.jar to start setup Fuse libraries and configuration in EAP

java -jar fuse-eap-installer-6.2.1.redhat-xxx.jar your_eap_installpath

And your EAP is now ready! 

Start the EAP by running to eap_installpath/bin/standalone.sh

Setup DataSource

  • Copy the H2 database file fuseoneap.h2.db to ~/h2
  • Logon to JBoss EAP admin console http://localhost:9990 using the password you set from previous steps
  • Go to Configuration, select Connector and then to datasources.
    • Name :MyCamelDS
    • JNDI Name: java:jboss/datasources/MyCamelDS

Setup DataSource

  • Select H2 as JDBC driver for this datasource

  • Enter

    • Connection URL: jdbc:h2:file:~/h2/fuseoneap;AUTO_SERVER=TRUE

    • Username: sa

    • Password: 

Setup DataSource

  • Change the min and max pool size to 1 and 10. And then enable the MyCamelDS datasource.

Start Developing!

  • In JBoss Developer Studio, create an new maven project

  • Select wildfly-camel-archetype-cdi  

  • Uncheck "Show the last version on Archetype only" checkbox and select version 2.3.0-redhat-621084

  • Group Id: com.redhat

  • Artifact Id: currencylab

Delete the unwanted

  • Delete two java files under com.redhat.currencylab

    • MyServlet.java

    • MyBean.java

Producer

  • Create a Producer class that lookup the JNDI resource and register it in CDI context

    • DatasourceProducer

  • Enter following settings.
public class DatasourceProducer {
  @Resource(lookup= "java:jboss/datasources/MyCamelDS")
  DataSource dataSource;
  @Produces
  @Named("MyCamelDS")
  public DataSource getDataSource() {
    return dataSource;  
  }
}

Data Access Route

  • Go to MyRouteBuilder.java under com.redhat.currencylab

from("direct:getCurrencies").routeId("allcurrencies")
  .to("sql:select * from currencyexchange?dataSource=MyCamelDS")
  .marshal()
  .json(JsonLibrary.Jackson);
  • Enter following route in configure method

Currency Convertor Bean

  • Create Java Bean class that does the actual calculation of currency.

    • CurrencyConvertor

  • Enter the following content to bean

@Named("currencyconvertor")
  public class CurrencyConvertor {
    public double convertUSD(double amt, ArrayList<Map<String, Object>> data){
      Double rate = (Double)data.get(0).get("rate");
      return amt*rate;
    }
  }

Currency Convertor Route

  • Go to MyRouteBuilder.java under com.redhat.currencylab

  • Enter following route in configure method
from("direct:getCurrency").routeId("covertcurrency")
  .log("Got currency: ${headers.amt} and amt${headers.currency} ")
  .choice()
    .when()
      .header("currency")
      .to("sql:select * from currencyexchange where currencycode = :#currency?dataSource=MyCamelDS")
      .log("exchange rate ====> ${body[0][rate]}")
      .to("bean:currencyconvertor?method=convertUSD(${headers.amt},${body})")
  .otherwise()
    .log("nothing to lookup")
     .transform().constant("nothing to lookup");

Setup Web Endpoint

  • Generate web.xml by right click on Deployment Descriptor -> Generate Deployment Descriptor Stub

  • Add following servlet setting in the web.xml file.

 <servlet>
    <servlet-name>camel</servlet-name>
    <servlet-class>org.apache.camel.component.servlet.CamelHttpTransportServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>camel</servlet-name>
    <url-pattern>/services/*</url-pattern>
  </servlet-mapping>

Servlet Endpoint Route

  • Go to MyRouteBuilder.java under com.redhat.currencylab

  • Enter following route in configure method
from("servlet:///currencies?servletName=camel&matchOnUriPrefix=true")
  .routeId("servletCurrencies")
  .to("direct:getCurrencies");

from("servlet:///currency?servletName=camel&matchOnUriPrefix=true")
  .routeId("servletCurrency")
  .to("direct:getCurrency");

 

Restful Endpoint Route

  • In MyRouteBuilder.java under com.redhat.currencylab

  • Enter following route in configure method
  restConfiguration().component("servlet")
      .contextPath("/camel").port(8080).bindingMode(RestBindingMode.json);
  rest("/currenciesrest")
      .get()
      .produces(MediaType.APPLICATION_JSON)
      .to("direct:getCurrencies"); 
 <dependency>
   <groupId>org.jboss.spec.javax.ws.rs</groupId>
   <artifactId>jboss-jaxrs-api_1.1_spec</artifactId>
   <scope>provided</scope>
</dependency>
  • Add the dependency in

pom.xml

Display Page

  • Add index.html under webapp folder

    • Download the web file

Build Fuse Application

  • Build Fuse Application by right click on application, Run As, Maven Build

  • Enter clean install
  • If everything goes well, you will find a application package currencylab.war under target folder

Deploying Application

  • Logon to EAP admin console. http://localhost:9990 under runtime, click on "add" button, to add the war file to deploy 

  • Enable the application by clicking on En/Disable button

The Currency App

Fuse on EAP Lab

By weimeilin

Fuse on EAP Lab

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