/*
* Copyright 1999,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.taglibs.standard.lang.jstl.test;
import java.util.HashMap;
import java.util.Map;
import org.apache.taglibs.standard.lang.jstl.Evaluator;
/**
*
* <p>This class contains some test functions.</p>
*
* @author Shawn Bayern
*/
public class StaticFunctionTests {
public static void main(String args[]) throws Exception {
Map m = getSampleMethodMap();
Evaluator e = new Evaluator();
Object o;
o = e.evaluate("", "4", Integer.class, null, null, m, "foo");
System.out.println(o);
o = e.evaluate("", "${4}", Integer.class, null, null, m, "foo");
System.out.println(o);
o = e.evaluate("", "${2+2}", Integer.class, null, null, m, "foo");
System.out.println(o);
o = e.evaluate("", "${foo:add(2, 3)}", Integer.class, null, null, m, "foo");
System.out.println(o);
o = e.evaluate("", "${foo:multiply(2, 3)}", Integer.class, null, null, m, "foo");
System.out.println(o);
o = e.evaluate("", "${add(2, 3)}", Integer.class, null, null, m, "foo");
System.out.println(o);
o = e.evaluate("", "${multiply(2, 3)}", Integer.class, null, null, m, "foo");
System.out.println(o);
o = e.evaluate("", "${add(2, 3) + 5}", Integer.class, null, null, m, "foo");
System.out.println(o);
System.out.println("---");
o = e.evaluate("", "${getInt(getInteger(getInt(5)))}", Integer.class, null, null, m, "foo");
System.out.println(o);
o = e.evaluate("", "${getInteger(getInt(getInteger(5)))}", Integer.class, null, null, m, "foo");
System.out.println(o);
o = e.evaluate("", "${getInt(getInt(getInt(5)))}", Integer.class, null, null, m, "foo");
System.out.println(o);
o = e.evaluate("", "${getInteger(getInteger(getInteger(5)))}", Integer.class, null, null, m, "foo");
System.out.println(o);
}
public static int add(int a, int b) {
return a + b;
}
public static int multiply(int a, int b) {
return a * b;
}
public static int getInt(Integer i) {
return i.intValue();
}
public static Integer getInteger(int i) {
return new Integer(i);
}
public static Map getSampleMethodMap() throws Exception {
Map m = new HashMap();
Class c = StaticFunctionTests.class;
m.put("foo:add",
c.getMethod("add", new Class[] { Integer.TYPE, Integer.TYPE }));
m.put("foo:multiply",
c.getMethod("multiply", new Class[] { Integer.TYPE, Integer.TYPE }));
m.put("foo:getInt",
c.getMethod("getInt", new Class[] { Integer.class }));
m.put("foo:getInteger",
c.getMethod("getInteger", new Class[] { Integer.TYPE }));
return m;
}
}