| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 |
| * |
| * https://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. |
| * |
| */ |
| import org.apache.tools.ant.Task; |
| import org.apache.tools.ant.BuildException; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * The task of the tutorial. |
| * Prints a message or lets the build fail. |
| * @author Jan Matérne |
| * @since 2003-08-19 |
| */ |
| public class HelloWorld extends Task { |
| |
| |
| /** The message to print. As attribute. */ |
| String message; |
| public void setMessage(String msg) { |
| message = msg; |
| } |
| |
| /** Should the build fail? Defaults to <i>false</i>. As attribute. */ |
| boolean fail = false; |
| public void setFail(boolean b) { |
| fail = b; |
| } |
| |
| /** Support for nested text. */ |
| public void addText(String text) { |
| message = text; |
| } |
| |
| |
| /** Do the work. */ |
| public void execute() { |
| // handle attribute 'fail' |
| if (fail) throw new BuildException("Fail requested."); |
| |
| // handle attribute 'message' and nested text |
| if (message != null) log(message); |
| |
| // handle nested elements |
| for (Message msg : messages) { |
| log(msg.getMsg()); |
| } |
| } |
| |
| |
| /** Store nested 'message's. */ |
| List<Message> messages = new ArrayList<>(); |
| |
| /** Factory method for creating nested 'message's. */ |
| public Message createMessage() { |
| Message msg = new Message(); |
| messages.add(msg); |
| return msg; |
| } |
| |
| /** A nested 'message'. */ |
| public class Message { |
| // Bean constructor |
| public Message() {} |
| |
| /** Message to print. */ |
| String msg; |
| public void setMsg(String msg) { this.msg = msg; } |
| public String getMsg() { return msg; } |
| } |
| |
| } |