Ant example source code file (JarTest.java)

This example Ant source code file (JarTest.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

bufferedreader, file, file, filereader, interruptedexception, io, ioexception, ioexception, jartest, manifest, manifest, string, string, util, zip, zipentry, zipfile

The JarTest.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.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.Reader;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.apache.tools.ant.BuildFileTest;
import org.apache.tools.ant.util.FileUtils;

/**
 */
public class JarTest extends BuildFileTest {

    /** Utilities used for file operations */
    private static final FileUtils FILE_UTILS = FileUtils.getFileUtils();

    private static String tempJar = "tmp.jar";
    private static String tempDir = "jartmp/";
    private Reader r1, r2;

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

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

    public void tearDown() {
        if (r1 != null) {
            try {
                r1.close();
            } catch (IOException e) {
            }
        }
        if (r2 != null) {
            try {
                r2.close();
            } catch (IOException e) {
            }
        }

        executeTarget("cleanup");
    }

    public void test1() {
        expectBuildException("test1", "required argument not specified");
    }

    public void test2() {
        expectBuildException("test2", "manifest file does not exist");
    }

    public void test3() {
        expectBuildException("test3", "Unrecognized whenempty attribute: format C: /y");
    }

    public void test4() {
        executeTarget("test4");
        File jarFile = new File(getProjectDir(), tempJar);
        assertTrue(jarFile.exists());
    }

    public void testNoRecreateWithoutUpdate() {
        testNoRecreate("test4");
    }

    public void testNoRecreateWithUpdate() {
        testNoRecreate("testNoRecreateWithUpdate");
    }

    private void testNoRecreate(String secondTarget) {
        executeTarget("test4");
        File jarFile = new File(getProjectDir(), tempJar);
        long jarModifiedDate = jarFile.lastModified();
        try {
            Thread.sleep(2500);
        } catch (InterruptedException e) {
        } // end of try-catch
        executeTarget(secondTarget);
        assertEquals("jar has not been recreated in " + secondTarget,
                     jarModifiedDate, jarFile.lastModified());
    }

    public void testRecreateWithoutUpdateAdditionalFiles() {
        testRecreate("test4", "testRecreateWithoutUpdateAdditionalFiles");
    }

    public void testRecreateWithUpdateAdditionalFiles() {
        testRecreate("test4", "testRecreateWithUpdateAdditionalFiles");
    }

    public void testRecreateWithoutUpdateNewerFile() {
        testRecreate("testRecreateNewerFileSetup",
                     "testRecreateWithoutUpdateNewerFile");
    }

    public void testRecreateWithUpdateNewerFile() {
        testRecreate("testRecreateNewerFileSetup",
                     "testRecreateWithUpdateNewerFile");
    }

    private void testRecreate(String firstTarget, String secondTarget) {
        executeTarget(firstTarget);
        long sleeptime = 3000
            + FILE_UTILS.getFileTimestampGranularity();
        try {
            Thread.sleep(sleeptime);
        } catch (InterruptedException e) {
        } // end of try-catch
        File jarFile = new File(getProjectDir(), tempJar);
        long jarModifiedDate = jarFile.lastModified();
        executeTarget(secondTarget);
        jarFile = new File(getProjectDir(), tempJar);
        assertTrue("jar has been recreated in " + secondTarget,
                   jarModifiedDate < jarFile.lastModified());
    }

    public void testManifestStaysIntact()
        throws IOException, ManifestException {
        executeTarget("testManifestStaysIntact");

        r1 = new FileReader(getProject()
                            .resolveFile(tempDir + "manifest"));
        r2 = new FileReader(getProject()
                            .resolveFile(tempDir + "META-INF/MANIFEST.MF"));
        Manifest mf1 = new Manifest(r1);
        Manifest mf2 = new Manifest(r2);
        assertEquals(mf1, mf2);
    }

    public void testNoRecreateBasedirExcludesWithUpdate() {
        testNoRecreate("testNoRecreateBasedirExcludesWithUpdate");
    }

    public void testNoRecreateBasedirExcludesWithoutUpdate() {
        testNoRecreate("testNoRecreateBasedirExcludesWithoutUpdate");
    }

    public void testNoRecreateZipfilesetExcludesWithUpdate() {
        testNoRecreate("testNoRecreateZipfilesetExcludesWithUpdate");
    }

    public void testNoRecreateZipfilesetExcludesWithoutUpdate() {
        testNoRecreate("testNoRecreateZipfilesetExcludesWithoutUpdate");
    }

    public void testRecreateZipfilesetWithoutUpdateAdditionalFiles() {
        testRecreate("test4",
                     "testRecreateZipfilesetWithoutUpdateAdditionalFiles");
    }

    public void testRecreateZipfilesetWithUpdateAdditionalFiles() {
        testRecreate("test4",
                     "testRecreateZipfilesetWithUpdateAdditionalFiles");
    }

    public void testRecreateZipfilesetWithoutUpdateNewerFile() {
        testRecreate("testRecreateNewerFileSetup",
                     "testRecreateZipfilesetWithoutUpdateNewerFile");
    }

    public void testRecreateZipfilesetWithUpdateNewerFile() {
        testRecreate("testRecreateNewerFileSetup",
                     "testRecreateZipfilesetWithUpdateNewerFile");
    }

    public void testCreateWithEmptyFileset() {
        executeTarget("testCreateWithEmptyFilesetSetUp");
        executeTarget("testCreateWithEmptyFileset");
        executeTarget("testCreateWithEmptyFileset");
    }

    public void testUpdateIfOnlyManifestHasChanged() {
        executeTarget("testUpdateIfOnlyManifestHasChanged");
        File jarXml = getProject().resolveFile(tempDir + "jar.xml");
        assertTrue(jarXml.exists());
    }

    // bugzilla report 10262
    public void testNoDuplicateIndex() throws IOException {
        ZipFile archive = null;
        try {
            executeTarget("testIndexTests");
            archive = new ZipFile(getProject().resolveFile(tempJar));
            Enumeration e = archive.entries();
            int numberOfIndexLists = 0;
            while (e.hasMoreElements()) {
                ZipEntry ze = (ZipEntry) e.nextElement();
                if (ze.getName().equals("META-INF/INDEX.LIST")) {
                    numberOfIndexLists++;
                }
            }
            assertEquals(1, numberOfIndexLists);
        } finally {
            if (archive != null) {
                archive.close();
            }
        }
    }

    // bugzilla report 16972
    public void testRootFilesInIndex() throws IOException {
        ZipFile archive = null;
        try {
            executeTarget("testIndexTests");
            archive = new ZipFile(getProject().resolveFile(tempJar));
            ZipEntry ze = archive.getEntry("META-INF/INDEX.LIST");
            InputStream is = archive.getInputStream(ze);
            BufferedReader r = new BufferedReader(new InputStreamReader(is,
                                                                        "UTF8"));
            boolean foundSub = false;
            boolean foundSubFoo = false;
            boolean foundFoo = false;

            String line = r.readLine();
            while (line != null) {
                if (line.equals("foo")) {
                    foundFoo = true;
                } else if (line.equals("sub")) {
                    foundSub = true;
                } else if (line.equals("sub/foo")) {
                    foundSubFoo = true;
                }
                line = r.readLine();
            }

            assertTrue(foundSub);
            assertTrue(!foundSubFoo);
            assertTrue(foundFoo);
        } finally {
            if (archive != null) {
                archive.close();
            }
        }
    }
    public void testManifestOnlyJar() {
        expectLogContaining("testManifestOnlyJar", "Building MANIFEST-only jar: ");
        File manifestFile = getProject().resolveFile(tempDir + "META-INF" + File.separator + "MANIFEST.MF");
        assertTrue(manifestFile.exists());
    }

    public void testIndexJarsPlusJarMarker() {
        executeTarget("testIndexJarsPlusJarMarker");
    }
}