Example usage for java.lang ClassLoader getResources

Introduction

In this page you can find the example usage for java.lang ClassLoader getResources.

Prototype

public Enumeration<URL> getResources(String name) throws IOException 

Source Link

Document

Finds all the resources with the given name.

Usage

From source file:org.apache.camel.impl.converter.AnnotationTypeConverterLoader.java

protected void findPackages(Set<String> packages, ClassLoader classLoader) throws IOException {
    Enumeration<URL> resources = classLoader.getResources(META_INF_SERVICES);
    while (resources.hasMoreElements()) {
        URL url = resources.nextElement();
        if (url != null && !visitedURLs.contains(url)) {
            // remember we have visited this url so we wont read it twice
            visitedURLs.add(url);//from   w  ww  . j  a  v a  2  s . com
            if (LOG.isDebugEnabled()) {
                LOG.info("Loading file " + META_INF_SERVICES + " to retrieve list of packages, from url: "
                        + url);
            }
            BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream()));
            try {
                while (true) {
                    String line = reader.readLine();
                    if (line == null) {
                        break;
                    }
                    line = line.trim();
                    if (line.startsWith("#") || line.length() == 0) {
                        continue;
                    }
                    tokenize(packages, line);
                }
            } finally {
                IOHelper.close(reader, null, LOG);
            }
        }
    }
}

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From source file:com.clican.pluto.orm.dynamic.impl.ClassLoaderUtilImpl.java

private void populateJarsFromManifest(Set<String> jars, ClassLoader loader) {
    BufferedReader reader = null;
    try {//ww w  . j  a v a  2 s  . c o  m
        Enumeration<URL> e = loader.getResources("META-INF/MANIFEST.MF");
        while (e.hasMoreElements()) {
            URL url = e.nextElement();
            if (url.getPath().contains(SURE_FIRE_BOOTER_JAR)) {
                reader = new BufferedReader(new InputStreamReader(url.openStream()));
                String line = null;
                StringBuffer content = new StringBuffer();
                while ((line = reader.readLine()) != null) {
                    content.append(line.trim());
                }
                String cont = content.toString().replaceAll("Manifest-Version: 1.0Class-Path: ", "")
                        .replaceAll("Main-Class: org.apache.maven.surefire.booter.SurefireBooter", "");
                for (String file : cont.split(" ")) {
                    if (file.contains("file")) {
                        jars.add(file.replaceAll("file:", ""));
                    }
                }
                break;
            }
        }
    } catch (IOException e) {
        log.error("", e);
    } finally {
        try {
            if (reader != null) {
                reader.close();
            }
        } catch (Exception e) {
            log.error("", e);
        }

    }
}

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From source file:org.pentaho.pac.server.util.ResolverUtil.java

public void findInPackage(String packageName, Test... tests) {
    packageName = packageName.replace('.', '/');
    ClassLoader loader = getClassLoader();
    Enumeration<URL> urls;
    try {/*  w ww .  java  2  s .c  o  m*/
        urls = loader.getResources(packageName);
    } catch (IOException ioe) {
        log.debug("Could not read package: " + packageName, ioe); //$NON-NLS-1$
        return;
    }
    while (urls.hasMoreElements()) {
        try {
            URL eurl = urls.nextElement();
            String urlPath = eurl.toURI().toString();

            if (urlPath.indexOf('!') > 0) {
                urlPath = urlPath.substring(0, urlPath.indexOf('!'));
                if (urlPath.startsWith("jar:")) //$NON-NLS-1$
                    urlPath = urlPath.substring(4);
                eurl = new URL(urlPath);
            }
            log.info("Scanning for classes in [" + urlPath //$NON-NLS-1$
                    + "] matching criteria: " + tests); //$NON-NLS-1$

            // is it a file?
            File file = new File(URLDecoder.decode(eurl.getFile(), "UTF-8")); //$NON-NLS-1$
            // File file = new File(eurl.getFile());
            if (file.exists() && file.isDirectory()) {
                loadImplementationsInDirectory(packageName, file, tests);
            } else {
                loadImplementationsInJar(packageName, eurl, tests);
            }
        } catch (IOException e) {
            log.debug("could not read entries", e); //$NON-NLS-1$
        } catch (URISyntaxException se) {
            log.debug("could not read entries", se); //$NON-NLS-1$
        }
    }
}

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From source file:com.quinsoft.zeidon.standardoe.ApplicationList.java

/**
 * Loads the list of applications from %ZEIDON%/zeidon.app
 *///w  w w  .j a  va2s  .  co  m
ApplicationList(HomeDirectory home, ZeidonLogger logger) {
    logger.info("Loading application list");

    this.home = home;
    Map<String, ApplicationImpl> apps = new HashMap<String, ApplicationImpl>();

    // First try loading the resources.
    ClassLoader classLoader = getClass().getClassLoader();
    if (classLoader == null)
        classLoader = ClassLoader.getSystemClassLoader();

    try {
        for (Enumeration<URL> element = classLoader.getResources("zeidon.app"); element.hasMoreElements();) {
            URL url = element.nextElement();
            logger.info("Loading applications from resource %s", url.getFile());
            InputStream stream = url.openStream();
            ApplicationHandler appHandler = new ApplicationHandler(apps);
            PortableFileReader.ReadPortableFile(stream, logger, appHandler);
        }
    } catch (Exception e) {
        throw ZeidonException.wrapException(e).appendMessage("Error while attempting to load zeidon.app");
    }

    if (!StringUtils.isBlank(home.getHomeDirectory())) {
        String filename = FilenameUtils.concat(home.getHomeDirectory(), "zeidon.app");
        try {
            InputStream inputStream = JoeUtils.getInputStream(null, filename,
                    logger.getClass().getClassLoader());
            if (inputStream == null)
                logger.info("No zeidon.app found via ZEIDON_HOME.");
            else {
                logger.info("Loading apps using ZEIDON_HOME (%s)/zeidon.app", home.getHomeDirectory());
                ApplicationHandler appHandler = new ApplicationHandler(apps);
                PortableFileReader.ReadPortableFile(inputStream, logger, appHandler);
            }
        } catch (Exception e) {
            throw ZeidonException.wrapException(e).prependFilename(filename);
        }
    }

    if (apps.size() == 0)
        throw new ZeidonException("No resources named zeidon.app found.");

    applications = ImmutableMap.copyOf(apps);
}

---

From source file:org.echocat.jomon.runtime.i18n.RecursiveResourceBundleFactory.java

@Nullable
protected ResourceBundle loadBundles(@Nonnull String withName, @Nonnull ClassLoader from) {
    final List<ResourceBundle> bundles = new ArrayList<>();
    final Enumeration<URL> i;
    try {/*  w ww  .  j a v a2 s  . co m*/
        i = from.getResources(withName);
    } catch (final IOException e) {
        throw new RuntimeException(
                "Could not find all resourceBundles with name '" + withName + "' in " + from + ".", e);
    }
    while (i.hasMoreElements()) {
        final URL propertiesUrl = i.nextElement();
        try (final InputStream is = propertiesUrl.openStream()) {
            try (final Reader reader = new InputStreamReader(is, _charset)) {
                bundles.add(new PropertyResourceBundle(reader));
            }
        } catch (final IOException e) {
            throw new RuntimeException("Could not load resourceBundle from '" + propertiesUrl + "'.", e);
        }
    }
    return bundles.isEmpty() ? null : new CombinedResourceBundle(bundles);
}

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From source file:dip.world.variant.VariantManager.java

/** 
 *   Get a resource for a variant. This uses the variantName to 
 *   deconflict, if multiple resources exist with the same name.
 *   <p>/*from ww  w.  j a  va 2 s.  c  om*/
 *   Conflict occur when plugins are loaded under the same ClassLoader,
 *   because variant plugin namespace is not unique.
 *   <p>
 *   This primarily applies to Webstart resources
 */
private static URL getWSResource(URL packURL, URI uri) {
    /*
    NOTE: this method is used by getResource(URL, URI), which is
    chiefly used by VariantManager and associated parsers; a VariantRecord
    has not yet been created. So we cannot use that; the internal
    logic here is slightly different.
     */
    assert (vm.isInWebstart);

    ClassLoader cl = vm.getClass().getClassLoader();
    String deconflictName = getWSPluginName(packURL);

    Enumeration<URL> enum2 = null;

    try {
        enum2 = cl.getResources(uri.toString());
    } catch (IOException e) {
        return null;
    }

    while (enum2.hasMoreElements()) {
        URL url = enum2.nextElement();

        // deconflict. Note that this is not, and cannot be, foolproof;
        // due to name-mangling by webstart. For example, if two plugins
        // called "test" and "Supertest" exist, test may find the data
        // file within Supertest because indexOf(test, SuperTest) >= 0
        // 
        // however, if we can get the mangled name and set it as the
        // 'pluginName', we can be foolproof.
        //
        String lcPath = url.getPath();
        if (lcPath.indexOf(deconflictName) >= 0) {
            return url;
        }
    }

    return null;
}

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From source file:net.community.chest.gitcloud.facade.AbstractContextInitializer.java

protected void scanArtifactsManifests(Predicate<Pair<URL, Manifest>> manifestHandler) {
    ClassLoader loader = ExtendedClassUtils.getDefaultClassLoader(getClass());
    try {//from ww  w  .jav  a 2s  . c om
        for (Enumeration<URL> manifests = loader.getResources(JarFile.MANIFEST_NAME); (manifests != null)
                && manifests.hasMoreElements();) {
            URL url = manifests.nextElement();
            try {
                Manifest manifest = ManifestUtils.loadManifest(url);
                if (manifestHandler.evaluate(Pair.of(url, manifest))) {
                    logger.info("Scanning stopped by handler at URL=" + url.toExternalForm());
                    break;
                }
            } catch (Exception e) {
                logger.warn(e.getClass().getSimpleName() + " while handle URL=" + url.toExternalForm() + ": "
                        + e.getMessage());
            }
        }
    } catch (IOException e) {
        logger.warn("Failed (" + e.getClass().getSimpleName() + ") to get manifests URLs: " + e.getMessage());
    }
}

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From source file:org.runway.utils.ServerBean.java

private String getDatabasePath(String dbname) {

    String dbpath = null;/*from www . j a  v  a 2  s  .c  om*/

    String dbscr = dbname + ".script";
    dbname = dbname + ".properties";

    // find the location of this file from classpath
    //ClassLoader sysClassLoader = ClassLoader.getSystemClassLoader();
    ClassLoader sysClassLoader = ServerBean.class.getClassLoader();
    URL abspath = sysClassLoader.getResource(dbname);
    try {
        Enumeration<URL> scr = sysClassLoader.getResources(dbscr);

        for (; scr.hasMoreElements();) {
            URL u = scr.nextElement();
            System.out.println("uu " + u);
        }
    } catch (IOException e) {
        System.out.println("unable to find " + dbscr);
        e.printStackTrace();
    }

    //URL dd = getClass().getResource("target/classes/emarket.db.properties");

    if (abspath != null) {
        dbpath = abspath.toString();

        // then remove the .properties at the end
        if (dbpath.endsWith(".properties")) {
            dbpath = dbpath.replaceFirst(".properties", "");
        }
    } else {
        System.out.println("unable to find " + dbname);
        //throw new NullPointerException();
    }

    System.out.println("database : " + dbpath);

    return dbpath;
}

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From source file:com.sachviet.bookman.server.util.ResolverUtil.java

public void findInPackage(String packageName, Test... tests) {
    packageName = packageName.replace('.', '/');
    final ClassLoader loader = getClassLoader();
    Enumeration<URL> urls;
    try {/*from w  w  w  .ja v a2s  .  c o m*/
        urls = loader.getResources(packageName);
    } catch (IOException ioe) {
        LOG.trace("Could not read package: " + packageName, ioe); //$NON-NLS-1$
        return;
    }
    while (urls.hasMoreElements()) {
        try {
            URL eurl = urls.nextElement();
            String urlPath = eurl.toURI().toString();

            if (urlPath.indexOf('!') > 0) {
                urlPath = urlPath.substring(0, urlPath.indexOf('!'));
                if (urlPath.startsWith("jar:")) { //$NON-NLS-1$
                    urlPath = urlPath.substring(4);
                }
                eurl = new URL(urlPath);
            }
            LOG.trace("Scanning for classes in [" + urlPath //$NON-NLS-1$
                    + "] matching criteria: " + tests); //$NON-NLS-1$

            // is it a file?
            final File file = new File(URLDecoder.decode(eurl.getFile(), "UTF-8")); //$NON-NLS-1$
            // File file = new File(eurl.getFile());
            if (file.exists() && file.isDirectory()) {
                loadImplementationsInDirectory(packageName, file, tests);
            } else {
                loadImplementationsInJar(packageName, eurl, tests);
            }
        } catch (IOException e) {
            LOG.trace("could not read entries", e); //$NON-NLS-1$
        } catch (URISyntaxException se) {
            LOG.trace("could not read entries", se); //$NON-NLS-1$
        }
    }
}

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From source file:it.at.script.ConnectionScannerTest.java

public static String getRealPathOfResource(String resourceName) throws IOException {
    final ClassLoader loader = Thread.currentThread().getContextClassLoader();
    final Enumeration<URL> resources = loader.getResources(resourceName);
    final String path = resources.nextElement().toString();
    final String replace = StringUtils.replace(path, "target/test-classes", "src/test/resources");
    return StringUtils.substringAfter(replace, "file:");
}

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