Example usage for java.net URLClassLoader URLClassLoader

Introduction

In this page you can find the example usage for java.net URLClassLoader URLClassLoader.

Prototype

public URLClassLoader(URL[] urls)

Source Link

Document

Constructs a new URLClassLoader for the specified URLs using the default delegation parent ClassLoader .

Usage

From source file:org.echocat.locela.api.java.messages.FileAccessorClassLoaderBasedUnitTest.java

@Test
public void testHashCode() throws Exception {
    assertThat(ACCESSOR.hashCode(),//from www .java  2s.c  om
            is(new ClassLoaderBased(FileAccessorClassLoaderBasedUnitTest.class.getClassLoader()).hashCode()));
    assertThat(ACCESSOR.hashCode(), isNot(new ClassLoaderBased(new URLClassLoader(new URL[0])).hashCode()));
}

From source file:de.matzefratze123.heavyspleef.core.flag.FlagRegistry.java

public FlagRegistry(HeavySpleef heavySpleef, File customFlagFolder) {
    this.heavySpleef = heavySpleef;
    this.customFlagFolder = customFlagFolder;
    this.logger = heavySpleef.getLogger();
    this.registeredFlagsMap = new DualKeyHashBiMap<String, Flag, Class<? extends AbstractFlag<?>>>(String.class,
            Flag.class);

    URL url;/*from  www  .ja  va  2s.  c  o m*/

    try {
        url = customFlagFolder.toURI().toURL();
    } catch (MalformedURLException mue) {
        throw new RuntimeException(mue);
    }

    this.classLoader = new URLClassLoader(new URL[] { url });
    this.queuedInitMethods = Lists.newLinkedList();

    loadClasses();
}

From source file:org.apache.pig.test.TestJobControlCompiler.java

@BeforeClass
public static void setupClass() throws Exception {
    // creating a hadoop-site.xml and making it visible to Pig
    // making sure it is at the same location as for other tests to not pick
    // up a conf from a previous test
    File conf_dir = new File("build/classes");
    File hadoopSite = new File(conf_dir, "hadoop-site.xml");
    hadoopSite.deleteOnExit();/* w  ww . j  av a2s.c o m*/
    FileWriter fw = new FileWriter(hadoopSite);
    try {
        fw.write("<?xml version=\"1.0\"?>\n");
        fw.write("<?xml-stylesheet type=\"text/xsl\" href=\"nutch-conf.xsl\"?>\n");
        fw.write("<configuration>\n");
        fw.write("</configuration>\n");
    } finally {
        fw.close();
    }
    // making hadoop-site.xml visible to Pig as it REQUIRES!!! one when
    // running in mapred mode
    Thread.currentThread().setContextClassLoader(new URLClassLoader(new URL[] { conf_dir.toURI().toURL() }));
}

From source file:org.jiemamy.entity.io.meta.impl.EntityMetaReaderImpl.java

/**
 * ??//from   ww w  . ja v a2  s .  c o m
 * 
 * @return {@link ClassLoader}
 * @throws IOException ????
 */
private ClassLoader createClassLoader() throws IOException {
    List<URL> urlList = toURLs(entityMetaReaderContext.getClassPathDirs());
    final URLClassLoader urlClassLoader = new URLClassLoader(urlList.toArray(new URL[urlList.size()]));
    return urlClassLoader;
}

From source file:org.javelin.sws.ext.bind.SweJaxbContextFactoryTest.java

@Test
public void nonDefaultClassLoader() throws Exception {
    // parent-last class loader
    // see org.apache.cocoon.servlet.ParanoidClassLoader
    URLClassLoader cl = new URLClassLoader(
            new URL[] { new File("target/test-classes").getCanonicalFile().toURI().toURL() }) {
        @Override/*from   ww w . jav  a  2  s .  co m*/
        protected synchronized Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
            Class<?> c = this.findLoadedClass(name);
            if (c == null) {
                try {
                    c = this.findClass(name);
                } catch (ClassNotFoundException e) {
                    if (this.getParent() != null) {
                        c = this.getParent().loadClass(name);
                    } else {
                        throw e;
                    }
                }
            }
            if (resolve)
                this.resolveClass(c);
            return c;
        }
    };

    JAXBContext ctx = SweJaxbContextFactory.createContext("org.javelin.sws.ext.bind.context2", cl);
    @SuppressWarnings("unchecked")
    Map<Class<?>, TypedPattern<?>> patterns = (Map<Class<?>, TypedPattern<?>>) ReflectionTestUtils.getField(ctx,
            "patterns");
    Class<?> mc = null;
    for (Class<?> c : patterns.keySet()) {
        if (c.getName().equals("org.javelin.sws.ext.bind.context2.MyClass2"))
            mc = c;
    }
    assertSame(mc.getClassLoader(), cl);
    Class<?> c1 = ClassUtils.resolveClassName("org.javelin.sws.ext.bind.context2.MyClass2",
            this.getClass().getClassLoader());
    assertFalse(patterns.containsKey(c1));
    Class<?> c2 = ClassUtils.resolveClassName("org.javelin.sws.ext.bind.context2.MyClass2", cl);
    assertTrue(patterns.containsKey(c2));
}

From source file:com.surenpi.autotest.suite.SuiteRunnerLauncher.java

/**
 * ??/*from w  ww .ja v a 2  s . c  o  m*/
 * @param param
 */
private static void compile(RunnerParam param) {
    URL itemUrl = SuiteRunnerLauncher.class.getResource("/");
    if (itemUrl == null) {
        logger.warn("Can not get base url from root. Try use current dir.");

        try {
            itemUrl = new File(".").toURI().toURL();
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }
    }

    logger.debug("Base url : {}", itemUrl);

    String protocol = itemUrl.getProtocol();
    if ("file".equals(protocol)) {
        String file = itemUrl.getFile();
        File[] subFiles = new File(file).listFiles(new PageXmlFilter());

        Generator generator = new DefaultXmlCodeGenerator() {
            @Override
            protected void done() {
                super.done();
            }
        };

        for (File pageFile : subFiles) {
            generator.generate(pageFile.getName(), param.compileDstDir);
        }

        JDTUtils utils = new JDTUtils(param.compileDstDir);
        utils.compileAllFile();

        try {
            logger.info("Compile dest dir: {}.", new File(param.compileDstDir).getAbsolutePath());

            ClassLoader loader = new URLClassLoader(
                    new URL[] { new File(param.compileDstDir).toURI().toURL() }) {
                @Override
                protected Class<?> findClass(String s) throws ClassNotFoundException {
                    return super.findClass(s);
                }
            };

            Thread.currentThread().setContextClassLoader(loader);
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }
    }
}

From source file:com.googlecode.dex2jar.test.TestUtils.java

public static File dex(List<File> files, File distFile) throws Exception {
    String dxJar = "src/test/resources/dx.jar";
    File dxFile = new File(dxJar);
    if (!dxFile.exists()) {
        throw new RuntimeException("dx.jar?");
    }/* w  w  w.  j av  a  2s  .com*/
    URLClassLoader cl = new URLClassLoader(new URL[] { dxFile.toURI().toURL() });
    Class<?> c = cl.loadClass("com.android.dx.command.Main");
    Method m = c.getMethod("main", String[].class);

    if (distFile == null) {
        distFile = File.createTempFile("dex", ".dex");
    }
    List<String> args = new ArrayList<String>();
    args.addAll(Arrays.asList("--dex", "--no-strict", "--output=" + distFile.getCanonicalPath()));
    for (File f : files) {
        args.add(f.getCanonicalPath());
    }
    m.invoke(null, new Object[] { args.toArray(new String[0]) });
    return distFile;
}

From source file:net.pms.external.ExternalFactory.java

private static String getMainClass(URL jar) {
    URL[] jarURLs1 = { jar };//from w  ww.j  a v  a  2  s.  c om
    URLClassLoader classLoader = new URLClassLoader(jarURLs1);
    try {
        Enumeration<URL> resources;

        try {
            // Each plugin .jar file has to contain a resource named "plugin"
            // which should contain the name of the main plugin class.
            resources = classLoader.getResources("plugin");

            if (resources.hasMoreElements()) {
                URL url = resources.nextElement();
                char[] name;

                // Determine the plugin main class name from the contents of
                // the plugin file.
                try (InputStreamReader in = new InputStreamReader(url.openStream())) {
                    name = new char[512];
                    in.read(name);
                }

                return new String(name).trim();
            }
        } catch (IOException e) {
            LOGGER.error("Can't load plugin resources", e);
        }
    } finally {
        try {
            classLoader.close();
        } catch (IOException e) {
            LOGGER.error("Error closing plugin finder: {}", e.getMessage());
            LOGGER.trace("", e);
        }
    }

    return null;
}

From source file:org.apache.pig.data.SchemaTupleBackend.java

/**
 * The only information this class needs is a directory of generated code to resolve
 * classes in./*  ww  w  .  j  a  v  a2s  . c o  m*/
 * @param jConf
 * @param directory of generated code
 */
private SchemaTupleBackend(Configuration jConf, boolean isLocal) {
    if (isLocal) {
        String localCodeDir = jConf.get(PigConstants.LOCAL_CODE_DIR);
        if (localCodeDir == null) {
            LOG.debug("No local code dir set in local mode. Aborting code gen resolution.");
            abort = true;
            return;
        }
        codeDir = new File(jConf.get(PigConstants.LOCAL_CODE_DIR));
    } else {
        codeDir = Files.createTempDir();
        codeDir.deleteOnExit();
    }

    try {
        classLoader = new URLClassLoader(new URL[] { codeDir.toURI().toURL() });
    } catch (MalformedURLException e) {
        throw new RuntimeException("Unable to make URLClassLoader for tempDir: " + codeDir.getAbsolutePath());
    }
    this.jConf = jConf;
    this.isLocal = isLocal;
}

From source file:io.fabric8.maven.core.util.MavenUtil.java

private static URLClassLoader createURLClassLoader(Collection<URL> jars) {
    return new URLClassLoader(jars.toArray(new URL[jars.size()]));
}