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

Example 96 with JarFile

use of java.util.jar.JarFile in project CoreNLP by stanfordnlp.

the class ArgumentParser method getVisibleClasses.

private static Class<?>[] getVisibleClasses() {
    //--Variables
    List<Class<?>> classes = new ArrayList<>();
    // (get classpath)
    String pathSep = System.getProperty("path.separator");
    String[] cp = System.getProperties().getProperty("java.class.path", null).split(pathSep);
    // (get classes)
    for (String entry : cp) {
        log("Checking cp " + entry);
        //(should skip?)
        if (entry.equals(".") || entry.trim().length() == 0) {
            continue;
        }
        //(no, don't skip)
        File f = new File(entry);
        if (f.isDirectory()) {
            // --Case: Files
            LazyFileIterator iter = new LazyFileIterator(f, ".*class$");
            while (iter.hasNext()) {
                //(get the associated class)
                Class<?> clazz = filePathToClass(entry, iter.next().getPath());
                if (clazz != null) {
                    //(add the class if it's valid)
                    classes.add(clazz);
                }
            }
        } else //noinspection StatementWithEmptyBody
        if (!isIgnored(entry)) {
            // --Case: Jar
            try {
                JarFile jar = new JarFile(f);
                Enumeration<JarEntry> e = jar.entries();
                while (e.hasMoreElements()) {
                    //(for each jar file element)
                    JarEntry jarEntry = e.nextElement();
                    String clazz = jarEntry.getName();
                    if (clazz.matches(".*class$")) {
                        //(if it's a class)
                        clazz = clazz.substring(0, clazz.length() - 6).replaceAll("/", ".");
                        //(add it)
                        try {
                            classes.add(Class.forName(clazz, false, ClassLoader.getSystemClassLoader()));
                        } catch (ClassNotFoundException ex) {
                            warn("Could not load class in jar: " + f + " at path: " + clazz);
                        } catch (NoClassDefFoundError ex) {
                            debug("Could not scan class: " + clazz + " (in jar: " + f + ")");
                        }
                    }
                }
            } catch (IOException e) {
                warn("Could not open jar file: " + f + "(are you sure the file exists?)");
            }
        } else {
        //case: ignored jar
        }
    }
    return classes.toArray(new Class<?>[classes.size()]);
}

Example 97 with JarFile

use of java.util.jar.JarFile in project springside4 by springside.

the class ResourceUtilTest method resourceNameTest.

@Test
public void resourceNameTest() throws IOException {
    JarFile guavaFile = new JarFile(FilePathUtil.getJarPath(Files.class));
    assertThat(guavaFile.getEntry("META-INF/MANIFEST.MF")).isNotNull();
    assertThat(guavaFile.getEntry("/META-INF/MANIFEST.MF")).isNull();
    guavaFile.close();
}

Example 98 with JarFile

use of java.util.jar.JarFile in project jetbrick-template-1x by subchen.

the class JarResource method getSource.

@Override
public char[] getSource(String encoding) {
    JarFile jarFile = null;
    try {
        jarFile = new JarFile(jar);
        JarEntry jarEntry = jarFile.getJarEntry(entry);
        if (jarEntry == null)
            return null;
        InputStream is = jarFile.getInputStream(jarEntry);
        try {
            return IoUtils.toCharArray(is, encoding);
        } finally {
            IoUtils.closeQuietly(is);
        }
    } catch (IOException e) {
        throw ExceptionUtils.uncheck(e);
    } finally {
        IoUtils.closeQuietly(jarFile);
    }
}

Example 99 with JarFile

use of java.util.jar.JarFile in project skype-bot by toomasr.

the class PluginScanner method scan.

public Collection<BotPlugin> scan(File file) {
    List<BotPlugin> plugins = new ArrayList<BotPlugin>();
    try (JarFile jar = new JarFile(file)) {
        URLClassLoader classloader = new URLClassLoader(new URL[] { file.toURI().toURL() });
        Plugins.registerPluginClassloader(file, classloader);
        Enumeration<JarEntry> entries = jar.entries();
        while (entries.hasMoreElements()) {
            JarEntry entry = entries.nextElement();
            if (entry.isDirectory() || !entry.getName().startsWith("org/zeroturnaround/skypebot") || !entry.getName().endsWith(".class")) {
                continue;
            }
            // we loaded all the classes from this jar file. we can close the classloader
            Class<?> clazz = classloader.loadClass(entry.getName().replace('/', '.').replace(".class", ""));
            if (clazz.getAnnotation(SkypeBotPlugin.class) != null) {
                Object pluginInstance = clazz.newInstance();
                if (BotPlugin.class.isInstance(pluginInstance)) {
                    log.info("Found a plugin: {}", clazz.getSimpleName());
                    plugins.add(BotPlugin.class.cast(pluginInstance));
                }
            }
        }
        return plugins;
    } catch (Exception e) {
        log.error("Failed to scan file " + file + " for plugin", e);
        return Collections.emptyList();
    }
}

Example 100 with JarFile

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

the class IjarTests method readJar.

static Map<String, byte[]> readJar(String path) throws IOException {
    Map<String, byte[]> classes = new HashMap<>();
    try (JarFile jf = new JarFile(path)) {
        Enumeration<JarEntry> entries = jf.entries();
        while (entries.hasMoreElements()) {
            JarEntry je = entries.nextElement();
            if (!je.getName().endsWith(".class")) {
                continue;
            }
            classes.put(je.getName(), ByteStreams.toByteArray(jf.getInputStream(je)));
        }
    }
    return classes;
}