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

Example 31 with JarEntry

use of java.util.jar.JarEntry in project bazel by bazelbuild.

the class ResourceJarBuilderTest method messages.

@Test
public void messages() throws Exception {
    File output = temporaryFolder.newFile("resources.jar");
    Path root = temporaryFolder.newFolder().toPath();
    Path r1 = root.resolve("one/a.xmb");
    Files.createDirectories(r1.getParent());
    Files.write(r1, "hello".getBytes(UTF_8));
    Path r2 = root.resolve("two/b.xmb");
    Files.createDirectories(r2.getParent());
    Files.write(r2, "goodbye".getBytes(UTF_8));
    // empty messages are omitted
    Path r3 = root.resolve("three/c.xmb");
    Files.createDirectories(r3.getParent());
    Files.write(r3, new byte[0]);
    ResourceJarBuilder.build(ResourceJarOptions.builder().setOutput(output.toString()).setMessages(ImmutableList.of(root + ":" + root.relativize(r1), root + ":" + root.relativize(r2), root + ":" + root.relativize(r3))).build());
    List<String> entries = new ArrayList<>();
    try (JarFile jf = new JarFile(output)) {
        Enumeration<JarEntry> jes = jf.entries();
        while (jes.hasMoreElements()) {
            entries.add(jes.nextElement().getName());
        }
    }
    assertThat(entries).containsExactly(//
    "META-INF/", "META-INF/MANIFEST.MF", "one/", "one/a.xmb", "two/", "two/b.xmb").inOrder();
}

Example 32 with JarEntry

use of java.util.jar.JarEntry in project bazel by bazelbuild.

the class ResourceJarBuilderTest method resourceJars.

@Test
public void resourceJars() throws Exception {
    File output = temporaryFolder.newFile("resources.jar");
    File jar1 = temporaryFolder.newFile("jar1.jar");
    try (JarOutputStream jos = new JarOutputStream(new FileOutputStream(jar1))) {
        jos.putNextEntry(new JarEntry("one/a.properties"));
        jos.putNextEntry(new JarEntry("one/b.properties"));
    }
    File jar2 = temporaryFolder.newFile("jar2.jar");
    try (JarOutputStream jos = new JarOutputStream(new FileOutputStream(jar2))) {
        jos.putNextEntry(new JarEntry("two/c.properties"));
        jos.putNextEntry(new JarEntry("two/d.properties"));
    }
    ResourceJarBuilder.build(ResourceJarOptions.builder().setOutput(output.toString()).setResourceJars(ImmutableList.of(jar1.toString(), jar2.toString())).build());
    List<String> entries = new ArrayList<>();
    try (JarFile jf = new JarFile(output)) {
        Enumeration<JarEntry> jes = jf.entries();
        while (jes.hasMoreElements()) {
            entries.add(jes.nextElement().getName());
        }
    }
    assertThat(entries).containsExactly("META-INF/", "META-INF/MANIFEST.MF", "one/", "one/a.properties", "one/b.properties", "two/", "two/c.properties", "two/d.properties").inOrder();
}

Example 33 with JarEntry

use of java.util.jar.JarEntry in project bazel by bazelbuild.

the class JarHelper method writeEntry.

/**
   * Writes an entry with specific contents to the jar. Directory entries must include the trailing
   * '/'.
   */
protected void writeEntry(JarOutputStream out, String name, byte[] content) throws IOException {
    if (names.add(name)) {
        // Create a new entry
        JarEntry entry = new JarEntry(name);
        entry.setTime(newEntryTimeMillis(name));
        int size = content.length;
        entry.setSize(size);
        if (size == 0) {
            entry.setMethod(JarEntry.STORED);
            entry.setCrc(0);
            out.putNextEntry(entry);
        } else {
            entry.setMethod(storageMethod);
            if (storageMethod == JarEntry.STORED) {
                CRC32 crc = new CRC32();
                crc.update(content);
                entry.setCrc(crc.getValue());
            }
            out.putNextEntry(entry);
            out.write(content);
        }
        out.closeEntry();
    }
}

Example 34 with JarEntry

use of java.util.jar.JarEntry in project auto by google.

the class TemplateVars method parsedTemplateFromJar.

private static Template parsedTemplateFromJar(URL resourceUrl) throws URISyntaxException, IOException {
    // Jar URLs look like this: jar:file:/path/to/file.jar!/entry/within/jar
    // So take apart the URL to open the jar /path/to/file.jar and read the entry
    // entry/within/jar from it.
    String resourceUrlString = resourceUrl.toString().substring("jar:".length());
    int bang = resourceUrlString.lastIndexOf('!');
    String entryName = resourceUrlString.substring(bang + 1);
    if (entryName.startsWith("/")) {
        entryName = entryName.substring(1);
    }
    URI jarUri = new URI(resourceUrlString.substring(0, bang));
    JarFile jar = new JarFile(new File(jarUri));
    try {
        JarEntry entry = jar.getJarEntry(entryName);
        InputStream in = jar.getInputStream(entry);
        return templateFromInputStream(in);
    } finally {
        jar.close();
    }
}

Example 35 with JarEntry

use of java.util.jar.JarEntry in project buck by facebook.

the class DefaultFileHashCacheTest method whenJarMemberWithoutManifestIsQueriedThenThrow.

@Test(expected = UnsupportedOperationException.class)
public void whenJarMemberWithoutManifestIsQueriedThenThrow() throws IOException {
    ProjectFilesystem filesystem = new FakeProjectFilesystem();
    DefaultFileHashCache cache = new DefaultFileHashCache(filesystem, Optional.empty());
    Path abiJarPath = Paths.get("no-manifest.jar");
    Path memberPath = Paths.get("Empty.class");
    try (JarOutputStream jar = new JarOutputStream(filesystem.newFileOutputStream(abiJarPath))) {
        jar.putNextEntry(new JarEntry(memberPath.toString()));
        jar.write("Contents".getBytes(StandardCharsets.UTF_8));
        jar.closeEntry();
    }
    cache.get(ArchiveMemberPath.of(abiJarPath, memberPath));
}