Examples with JarFile java.util.jar.JarFile used on opensource projects

Example 81 with JarFile

use of java.util.jar.JarFile in project spring-boot by spring-projects.

the class RepackagerTests method unpackLibrariesTakePrecedenceOverExistingSourceEntries.

@Test
public void unpackLibrariesTakePrecedenceOverExistingSourceEntries() throws Exception {
    TestJarFile nested = new TestJarFile(this.temporaryFolder);
    nested.addClass("a/b/C.class", ClassWithoutMainMethod.class);
    final File nestedFile = nested.getFile();
    this.testJarFile.addFile("BOOT-INF/lib/" + nestedFile.getName(), nested.getFile());
    this.testJarFile.addClass("A.class", ClassWithMainMethod.class);
    File file = this.testJarFile.getFile();
    Repackager repackager = new Repackager(file);
    repackager.repackage(new Libraries() {

        @Override
        public void doWithLibraries(LibraryCallback callback) throws IOException {
            callback.library(new Library(nestedFile, LibraryScope.COMPILE, true));
        }
    });
    JarFile jarFile = new JarFile(file);
    try {
        assertThat(jarFile.getEntry("BOOT-INF/lib/" + nestedFile.getName()).getComment()).startsWith("UNPACK:");
    } finally {
        jarFile.close();
    }
}

Example 82 with JarFile

use of java.util.jar.JarFile in project spring-boot by spring-projects.

the class BootRunApplicationLauncher method explodeArchive.

private void explodeArchive(File archive) throws IOException {
    FileSystemUtils.deleteRecursively(this.exploded);
    JarFile jarFile = new JarFile(archive);
    Enumeration<JarEntry> entries = jarFile.entries();
    while (entries.hasMoreElements()) {
        JarEntry jarEntry = entries.nextElement();
        File extracted = new File(this.exploded, jarEntry.getName());
        if (jarEntry.isDirectory()) {
            extracted.mkdirs();
        } else {
            FileOutputStream extractedOutputStream = new FileOutputStream(extracted);
            StreamUtils.copy(jarFile.getInputStream(jarEntry), extractedOutputStream);
            extractedOutputStream.close();
        }
    }
    jarFile.close();
}

Example 83 with JarFile

use of java.util.jar.JarFile in project spring-boot by spring-projects.

the class ClassifierTests method checkFilesExist.

private void checkFilesExist(String name) throws Exception {
    JarFile jar = new JarFile("target/" + name + "/build/libs/" + name + ".jar");
    assertThat(jar.getManifest()).isNotNull();
    jar.close();
    jar = new JarFile("target/" + name + "/build/libs/" + name + "-exec.jar");
    assertThat(jar.getManifest()).isNotNull();
    jar.close();
}

Example 84 with JarFile

use of java.util.jar.JarFile in project spring-boot by spring-projects.

the class MultiProjectRepackagingTests method repackageWithRuntimeProjectDependency.

@Test
public void repackageWithRuntimeProjectDependency() throws Exception {
    ProjectConnection project = new ProjectCreator().createProject("multi-project-runtime-project-dependency");
    project.newBuild().forTasks("clean", "build").withArguments("-PbootVersion=" + BOOT_VERSION).run();
    File buildLibs = new File("target/multi-project-runtime-project-dependency/projectA/build/libs");
    JarFile jarFile = new JarFile(new File(buildLibs, "projectA.jar"));
    assertThat(jarFile.getEntry("BOOT-INF/lib/projectB.jar")).isNotNull();
    jarFile.close();
}

Example 85 with JarFile

use of java.util.jar.JarFile in project spring-boot by spring-projects.

the class Repackager method repackage.

/**
	 * Repackage to the given destination so that it can be launched using '
	 * {@literal java -jar}'.
	 * @param destination the destination file (may be the same as the source)
	 * @param libraries the libraries required to run the archive
	 * @param launchScript an optional launch script prepended to the front of the jar
	 * @throws IOException if the file cannot be repackaged
	 * @since 1.3.0
	 */
public void repackage(File destination, Libraries libraries, LaunchScript launchScript) throws IOException {
    if (destination == null || destination.isDirectory()) {
        throw new IllegalArgumentException("Invalid destination");
    }
    if (libraries == null) {
        throw new IllegalArgumentException("Libraries must not be null");
    }
    if (this.layout == null) {
        this.layout = getLayoutFactory().getLayout(this.source);
    }
    if (alreadyRepackaged()) {
        return;
    }
    destination = destination.getAbsoluteFile();
    File workingSource = this.source;
    if (this.source.equals(destination)) {
        workingSource = getBackupFile();
        workingSource.delete();
        renameFile(this.source, workingSource);
    }
    destination.delete();
    try {
        JarFile jarFileSource = new JarFile(workingSource);
        try {
            repackage(jarFileSource, destination, libraries, launchScript);
        } finally {
            jarFileSource.close();
        }
    } finally {
        if (!this.backupSource && !this.source.equals(workingSource)) {
            deleteFile(workingSource);
        }
    }
}