Mulesoft Java Connector Invoke Static Example
To invoke a static Java method using the MuleSoft Java Connector, you can create a custom Java class with the desired static method and then call that method from a MuleSoft flow using the Java Connector. Here’s a step-by-step example:
Step 1: Create a Java Class with a Static Method
Create a Java class with a static method you want to invoke. Let’s say you want to create a simple utility class with a static method that calculates the square of a number. Here’s an example:
package com.example;
public class MathUtils {
public static int square(int number) {
return number * number;
}
}
Step 2: Create a MuleSoft Project
In Anypoint Studio, create a new Mule project or open an existing one.
Step 3: Add Java Class to Your Project
Add the Java class you created in Step 1 to your Mule project. Place it in the appropriate package within your project’s src/main/java directory.
Step 4: Configure the Java Connector
In your Mule project’s XML configuration file (usually mule-config.xml), configure the Java Connector to use your custom Java class with the static method. Here’s an example:
<mule xmlns="http://www.mulesoft.org/schema/mule/core"
xmlns:java="http://www.mulesoft.org/schema/mule/java"
xmlns:spring="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd
http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
http://www.mulesoft.org/schema/mule/java http://www.mulesoft.org/schema/mule/java/current/mule-java.xsd">
<!-- Configure the Java Connector to use your custom Java class -->
<java:config name="Java_Config" doc:name="Java" class="com.example.MathUtils"/>
<!-- Define your Mule flow -->
<flow name="invokeStaticMethodFlow">
<!-- Invoke the static 'square' method from the Java class -->
<java:invoke-static config-ref="Java_Config" method="square" doc:name="Invoke Static" >
<java:args>
<java:arg value="5" />
</java:args>
</java:invoke-static>
<!-- Log the result -->
<logger message="Result: #[payload]" level="INFO" doc:name="Logger"/>
</flow>
</mule>
In the above configuration, we configure the Java Connector to use the com.example.MathUtils class, which contains a static square method. Then, in the invokeStaticMethodFlow, we invoke the static square method and log the result.
Step 5: Run the Mule Application
Save your Mule configuration and run the Mule application in Anypoint Studio. You should see the result of invoking the static Java method in the log.
Demo Day 1 Video:
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