Lucee - Integrating with native Java libraries

create_java.cfm

<cfscript>
javaArray = createObject("java", "java.util.ArrayList");
</cfscript>

handlebars-4.0.3.jar

initialize_java.cfm

<cfscript>
javaArray = javaArray.init();
</cfscript>

inline_java.cfm

<cfscript>
echo(createObject("java", "java.util.ArrayList").init().size()); //outputs the size of the array
</cfscript>

java_load_jar.cfm

<cfscript>
//Load a comma separated list of jar files
Handlebars = createObject('java','com.github.jknack.handlebars.Handlebars','handlebars-4.0.3.jar,commons-lang3-3.1.jar,antlr4-runtime-4.5.1-1.jar').init();

//Load an array of jar files
Handlebars = createObject('java','com.github.jknack.handlebars.Handlebars',['handlebars-4.0.3.jar','commons-lang3-3.1.jar','antlr4-runtime-4.5.1-1.jar']).init();

//Dump the created java object
writeDump(Handlebars);
</cfscript>

javadump.png

javaIntegrationTest.cfc

/**
* My xUnit Test
*/
component extends="testbox.system.BaseSpec"{
	
/*********************************** LIFE CYCLE Methods ***********************************/

	// executes before all test cases
	function beforeTests(){
	}

	// executes after all test cases
	function afterTests(){
	}

	// executes before every test case
	function setup( currentMethod ){
	}

	// executes after every test case
	function teardown( currentMethod ){
	}

/*********************************** TEST CASES BELOW ***********************************/
	
	function checkAllSyntaxTest(){
		 var files = directoryList("");
		 
		 for(file IN files){
		 	if(file CONTAINS ".cfm"){
		 		include template="#getFileFromPath(file)#";		 		
		 	}
		 }
	}

	function outputJavaTest(){

		savecontent variable="myContent" {
			include template="output_java.cfm";
		}		
		expect(myContent).toBe("0");
	}
	
}

output_java.cfm

<cfscript>
javaArray = createObject("java", "java.util.ArrayList");
javaArray = javaArray.init();
echo(javaArray.size()); //outputs the size of the array, which is 0
</cfscript>