/* * #! * Ontopia Navigator * #- * Copyright (C) 2001 - 2013 The Ontopia Project * #- * 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 net.ontopia.topicmaps.nav2.impl.basic; import java.io.IOException; import java.util.Collection; import javax.servlet.jsp.JspException; import javax.servlet.jsp.PageContext; import javax.servlet.jsp.tagext.TagSupport; /** * INTERNAL: Implementation of FunctionIF interface for testing * purposes. This class may also be used to demonstrate also the * external function mechansimn. * * @see net.ontopia.topicmaps.nav2.taglibs.logic.ExternalFunctionTag */ public class HelloWorldFunction extends AbstractFunction { public Collection execute(PageContext pageContext, TagSupport callingTag) throws IOException, JspException { pageContext.getOut().print("Hello World!\n"); return null; } }