Examples with JarURLConnection java.net.JarURLConnection used on opensource projects

Example 91 with JarURLConnection

use of java.net.JarURLConnection in project Openfire by igniterealtime.

the class PluginClassLoader method unloadJarFiles.

/**
 * Unload any JAR files that have been cached by this plugin
 */
public void unloadJarFiles() {
    for (JarURLConnection url : cachedJarFiles) {
        try {
            Log.info("Unloading plugin JAR file " + url.getJarFile().getName());
            url.getJarFile().close();
        } catch (Exception e) {
            Log.error("Failed to unload JAR file", e);
        }
    }
}

Example 92 with JarURLConnection

use of java.net.JarURLConnection in project undertow by undertow-io.

the class URLResource method openConnection.

private void openConnection() {
    if (!connectionOpened) {
        connectionOpened = true;
        URLConnection connection = null;
        try {
            try {
                connection = url.openConnection();
            } catch (IOException e) {
                lastModified = null;
                contentLength = null;
                return;
            }
            if (url.getProtocol().equals("jar")) {
                connection.setUseCaches(false);
                URL jar = ((JarURLConnection) connection).getJarFileURL();
                lastModified = new Date(new File(jar.getFile()).lastModified());
            } else {
                lastModified = new Date(connection.getLastModified());
            }
            contentLength = connection.getContentLengthLong();
        } finally {
            if (connection != null) {
                try {
                    IoUtils.safeClose(connection.getInputStream());
                } catch (IOException e) {
                // ignore
                }
            }
        }
    }
}

Example 93 with JarURLConnection

use of java.net.JarURLConnection in project bytecode-viewer by Konloch.

the class ExternalLibrary method load.

/* (non-Javadoc)
     * @see the.bytecode.club.bytecodeviewer.loadermodel.ExternalResource#load()
     */
@Override
public JarContents<ClassNode> load() throws IOException {
    JarContents<ClassNode> contents = new JarContents<>();
    JarURLConnection con = (JarURLConnection) getLocation().openConnection();
    JarFile jar = con.getJarFile();
    Enumeration<JarEntry> entries = jar.entries();
    while (entries.hasMoreElements()) {
        JarEntry entry = entries.nextElement();
        try (InputStream is = jar.getInputStream(entry)) {
            byte[] bytes = read(is);
            if (entry.getName().endsWith(".class")) {
                ClassNode cn = create(bytes);
                contents.getClassContents().add(cn);
            } else {
                JarResource resource = new JarResource(entry.getName(), bytes);
                contents.getResourceContents().add(resource);
            }
        }
    }
    return contents;
}

Example 94 with JarURLConnection

use of java.net.JarURLConnection in project binnavi by google.

the class JarPluginLoader method getMainClassName.

/**
 * Tries to find the main class name out of a JAR package.
 *
 * @param file The JAR file whose main class is determined.
 *
 * @return The name of the main class of the JAR file or null.
 *
 * @throws IOException Thrown if any IO error occurs.
 */
private static String getMainClassName(final File file) throws IOException {
    final URL jarUrl = new URL("jar", "", file.toURI().toURL() + "!/");
    final JarURLConnection urlConnection = (JarURLConnection) jarUrl.openConnection();
    final Attributes attr = urlConnection.getMainAttributes();
    return attr == null ? null : attr.getValue(Attributes.Name.MAIN_CLASS);
}

Example 95 with JarURLConnection

use of java.net.JarURLConnection in project spring-boot by spring-projects.

the class LaunchedURLClassLoaderTests method resolveFromNestedWhileThreadIsInterrupted.

@Test
void resolveFromNestedWhileThreadIsInterrupted() throws Exception {
    File file = new File(this.tempDir, "test.jar");
    TestJarCreator.createTestJar(file);
    try (JarFile jarFile = new JarFile(file)) {
        URL url = jarFile.getUrl();
        try (LaunchedURLClassLoader loader = new LaunchedURLClassLoader(new URL[] { url }, null)) {
            Thread.currentThread().interrupt();
            URL resource = loader.getResource("nested.jar!/3.dat");
            assertThat(resource.toString()).isEqualTo(url + "nested.jar!/3.dat");
            URLConnection connection = resource.openConnection();
            try (InputStream input = connection.getInputStream()) {
                assertThat(input.read()).isEqualTo(3);
            }
            ((JarURLConnection) connection).getJarFile().close();
        } finally {
            Thread.interrupted();
        }
    }
}