Ant example source code file (EchoTest.java)

This example Ant source code file (EchoTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Ant tags/keywords

bytearrayoutputstream, bytearrayoutputstream, echo, echotest, echotestlogger, echotestlogger, exception, exception, io, of, output, printstream, printstream, string, this

The EchoTest.java source code

/*
 *  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
 *
 *      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.tools.ant.taskdefs;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;

import org.apache.tools.ant.BuildFileTest;
import org.apache.tools.ant.DefaultLogger;
import org.apache.tools.ant.Project;

/**
 */
public class EchoTest extends BuildFileTest {

    public EchoTest(String name) {
        super(name);
    }

    public void setUp() {
        configureProject("src/etc/testcases/taskdefs/echo.xml");
    }

    public void tearDown() {
        executeTarget("clean");
    }

    // Output an empty String
    public void test1() {
        expectLog("test1", "");
    }
    
    public void testLogBlankEcho() {
        EchoTestLogger logger = new EchoTestLogger();
        getProject().addBuildListener(logger);
        getProject().executeTarget("test1");
        assertEquals("     [echo] ", logger.lastLoggedMessage );
    }
 
    // Output 'OUTPUT OF ECHO'
    public void test2() {
        expectLog("test2", "OUTPUT OF ECHO");
    }

    public void test3() {
        expectLog("test3", "\n"+
                              "    This \n"+
                              "    is\n"+
                              "    a \n"+
                              "    multiline\n"+
                              "    message\n"+
                              "    ");
    }

    public void testFile() throws Exception {
        executeTarget("testFile");
    }

    public void testAppend() throws Exception {
        executeTarget("testAppend");
    }

    public void testEmptyEncoding() throws Exception {
        executeTarget("testEmptyEncoding");
    }

    public void testUTF16Encoding() throws Exception {
        executeTarget("testUTF16Encoding");
    }
    public void testUTF8Encoding() throws Exception {
        executeTarget("testUTF8Encoding");
    }
    
    private class EchoTestLogger extends DefaultLogger {
        String lastLoggedMessage;
    
        
        /**
         * 
         */
        public EchoTestLogger() {
            super();
            this.setMessageOutputLevel(Project.MSG_DEBUG);
            this.setOutputPrintStream(new PrintStream(new ByteArrayOutputStream(256)));
            this.setErrorPrintStream(new PrintStream(new ByteArrayOutputStream(256)));
        }
        /* 
         * @param message
         */
        protected void log(String message) {
            this.lastLoggedMessage = message;
        }
        
    }
}