package com.sun.codemodel.tests;
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import java.io.IOException;
import org.junit.Test;
import com.sun.codemodel.*;
import com.sun.codemodel.writer.SingleStreamCodeWriter;
/**
*
* Simple program to test the generation of
* the varargs feature in jdk 1.5
* @author Bhakti Mehta Bhakti.Mehta@sun.com
*
*/
/*======================================================
* This is how the output from this program looks like
* Still need to learn how to work on instantiation and args
* =========================================================
* public class Test {
public void foo(java.lang.String param1,
java.lang.Integer param2, java.lang.String param5,
java.lang.Object... param3) {
for (int count = 0; (count<(param3.length)); count ++) {
java.lang.System.out.println((param3[count]));
}
}
public static void main(java.lang.String[] args) {
}
}
*==========================================================
**/
public class VarArgsTest {
@Test
public void main() throws Exception {
try {
JCodeModel cm = new JCodeModel();
JDefinedClass cls = cm._class("Test");
JMethod m = cls.method(JMod.PUBLIC, cm.VOID, "foo");
m.param(String.class, "param1");
m.param(Integer.class, "param2");
JVar var = m.varParam(Object.class, "param3");
System.out.println("First varParam " + var);
// checking for param after varParam it behaves ok
//JVar[] var1 = m.varParam(Float.class, "param4");
JClass string = cm.ref(String.class);
JClass stringArray = string.array();
// JVar param5 =
m.param(String.class, "param5");
JForLoop forloop = m.body()._for();
JVar $count = forloop.init(cm.INT, "count", JExpr.lit(0));
forloop.test($count.lt(JExpr.direct("param3.length")));
forloop.update($count.incr());
JFieldRef out = cm.ref(System.class).staticRef("out");
// JVar typearray =
m.listVarParam();
// JInvocation invocation =
forloop.body().invoke(out, "println").arg(
JExpr.direct("param3[count]"));
JMethod main = cls.method(JMod.PUBLIC | JMod.STATIC, cm.VOID, "main");
main.param(stringArray, "args");
main.body().directStatement("new Test().foo(new String(\"Param1\"),new Integer(5),null,new String(\"Param3\"),new String(\"Param4\"));" );//new String("Param1"))"");// "new Integer(5),+// "null," +// "new String("first")," +// " new String("Second"))");
cm.build(new SingleStreamCodeWriter(System.out));
} catch (JClassAlreadyExistsException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
}