Example usage for java.lang Class getResource

Introduction

In this page you can find the example usage for java.lang Class getResource.

Prototype

@CallerSensitive
public URL getResource(String name) 

Source Link

Document

Finds a resource with a given name.

Usage

From source file:de.javakaffee.web.msm.integration.TestUtils.java

private static void initLogConfig(final Class<? extends TestUtils> clazz) {
    final URL loggingProperties = clazz.getResource("/logging.properties");
    try {//from  w  w  w.ja  va  2  s .c  om
        System.setProperty("java.util.logging.config.file",
                new File(loggingProperties.toURI()).getAbsolutePath());
    } catch (final Exception e) {
        // we don't have a plain file (e.g. the case for msm-kryo-serializer etc), so we can skip reading the config
        return;
    }
    try {
        LogManager.getLogManager().readConfiguration();
    } catch (final Exception e) {
        LogFactory.getLog(TestUtils.class).error("Could not init logging configuration.", e);
    }
}

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From source file:Main.java

/**
 * Gets the base location of the given class.
 * <p>/*from w  ww .  java  2 s  .  c  o m*/
 * If the class is directly on the file system (e.g.,
 * "/path/to/my/package/MyClass.class") then it will return the base directory
 * (e.g., "file:/path/to").
 * </p>
 * <p>
 * If the class is within a JAR file (e.g.,
 * "/path/to/my-jar.jar!/my/package/MyClass.class") then it will return the
 * path to the JAR (e.g., "file:/path/to/my-jar.jar").
 * </p>
 * 
 * @param c The class whose location is desired.
 * @see FileUtils#urlToFile(URL) to convert the result to a {@link File}.
 */
public static URL getLocation(final Class<?> c) {
    if (c == null)
        return null; // could not load the class

    // try the easy way first
    try {
        final URL codeSourceLocation = c.getProtectionDomain().getCodeSource().getLocation();
        if (codeSourceLocation != null)
            return codeSourceLocation;
    } catch (SecurityException e) {
        // NB: Cannot access protection domain.
    } catch (NullPointerException e) {
        // NB: Protection domain or code source is null.
    }

    // NB: The easy way failed, so we try the hard way. We ask for the class
    // itself as a resource, then strip the class's path from the URL string,
    // leaving the base path.

    // get the class's raw resource path
    final URL classResource = c.getResource(c.getSimpleName() + ".class");
    if (classResource == null)
        return null; // cannot find class resource

    final String url = classResource.toString();
    final String suffix = c.getCanonicalName().replace('.', '/') + ".class";
    if (!url.endsWith(suffix))
        return null; // weird URL

    // strip the class's path from the URL string
    final String base = url.substring(0, url.length() - suffix.length());

    String path = base;

    // remove the "jar:" prefix and "!/" suffix, if present
    if (path.startsWith("jar:"))
        path = path.substring(4, path.length() - 2);

    try {
        return new URL(path);
    } catch (MalformedURLException e) {
        e.printStackTrace();
        return null;
    }
}

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From source file:com.xhsoft.framework.common.utils.ClassUtil.java

/**
 * @param clazz/*from  w w w  .j a v a2 s  .c  o  m*/
 * @return String
 * @author lizj
 */
public static String getClassPathRoot(Class<?> clazz) {
    String classPath = StringUtil.replace(clazz.getName(), ".", "/") + ".class";

    String classFile = getClassName(clazz) + ".class";

    String filePath = clazz.getResource(classFile).toString();

    if (filePath.endsWith(classPath)) {
        filePath = filePath.substring(0, filePath.length() - classPath.length());
    }

    if (filePath.startsWith("jar:")) {
        filePath = filePath.substring("jar:file:/".length());

        if (filePath.endsWith("!/")) {
            filePath = filePath.substring(0, filePath.lastIndexOf("/", filePath.length() - 2) + 1);
        }
    } else if (filePath.startsWith("file:")) {
        filePath = filePath.substring("file:/".length());
    }

    return filePath;
}

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From source file:com.gargoylesoftware.htmlunit.WebTestCase.java

private static URL getExpectationsResource(final Class<?> referenceClass, final BrowserVersion browserVersion,
        final String resourcePrefix, final String resourceSuffix) {
    final String browserSpecificResource = resourcePrefix + "." + browserVersion.getNickname() + resourceSuffix;

    URL url = referenceClass.getResource(browserSpecificResource);
    if (url != null) {
        return url;
    }//from w ww. j  a  v  a  2 s .co  m

    final String browserFamily = browserVersion.getNickname().replaceAll("[\\d\\.]", "");
    final String browserFamilyResource = resourcePrefix + "." + browserFamily + resourceSuffix;

    url = referenceClass.getResource(browserFamilyResource);
    if (url != null) {
        return url;
    }

    // fall back: expectations for all browsers
    final String resource = resourcePrefix + resourceSuffix;
    return referenceClass.getResource(resource);
}

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From source file:com.springsource.tcruntime.embedded.bootexample.ExampleController.java

@RequestMapping("/")
public String index() {
    Class klass = Tomcat.class;
    String location = klass.getResource('/' + klass.getName().replace('.', '/') + ".class").toString();
    Matcher m = pattern.matcher(location);
    if (m.matches()) {
        return "You are running tc Server Runtime Embedded Version: " + m.group(2)
                + System.getProperty("line.separator");
    } else {/*from   w w w .  j a  va 2 s  .  c o m*/
        return "You are not running a recognized version of tc Server Embedded"
                + System.getProperty("line.separator");
    }
}

---

From source file:net.sf.jasperreports.engine.util.JRResourcesUtil.java

/**
 * Attempts to find a resource using a class loader.
 * <p/>//from  w  w  w .  j  a  v a  2 s.  co  m
 * The following sources are tried:
 * <ul>
 *    <li>the class loader returned by {@link #getClassLoader(ClassLoader) getClassLoader(ClassLoader)}</li>
 *    <li>the context class loader</li>
 *    <li><code>clazz.getClassLoader()</code></li>
 *    <li><code>clazz.getResource()</code></li>
 * </ul>
 * 
 * @param location the resource name
 * @param clsLoader a class loader
 * @param clazz a class
 * @return the resource URL if found
 * @deprecated Replaced by {@link #findClassLoaderResource(String, ClassLoader)}.
 */
public static URL findClassLoaderResource(String location, ClassLoader clsLoader, Class<?> clazz) {
    ClassLoader classLoader = getClassLoader(clsLoader);

    URL url = null;

    if (classLoader != null) {
        url = classLoader.getResource(location);
    }

    if (url == null) {
        classLoader = Thread.currentThread().getContextClassLoader();

        if (classLoader != null) {
            url = classLoader.getResource(location);
        }

        if (url == null) {
            classLoader = clazz.getClassLoader();
            if (classLoader == null) {
                url = clazz.getResource("/" + location);
            } else {
                url = classLoader.getResource(location);
            }
        }
    }

    return url;
}

---

From source file:main.java.vasolsim.common.GenericUtils.java

/**
 * Creates a tree item//from   ww  w  . j  av a2s.c  o m
 *
 * @param resourceLoaderClass
 * @param title
 * @param iconLocation
 * @param imgSize
 *
 * @return
 */
public static TreeItem<String> createTreeItem(Class resourceLoaderClass, String title, String iconLocation,
        int imgSize) {
    if (resourceLoaderClass == null || title == null || iconLocation == null || imgSize <= 0)
        return null;

    ImageView examsIcon = new ImageView(
            new Image(resourceLoaderClass.getResource(iconLocation).toExternalForm()));
    examsIcon.setFitHeight(imgSize);
    examsIcon.setFitWidth(imgSize);
    return new TreeItem<String>(title, examsIcon);
}

---

From source file:main.java.vasolsim.common.GenericUtils.java

public static TreeItem<TreeElement> createTreeItem(Class resourceLoaderClass, TreeElement box,
        String iconLocation, int imgSize) {
    if (resourceLoaderClass == null || box == null || iconLocation == null || imgSize <= 0)
        return null;

    ImageView examsIcon = new ImageView(
            new Image(resourceLoaderClass.getResource(iconLocation).toExternalForm()));
    examsIcon.setFitHeight(imgSize);/*from w w w  . j  ava 2  s . c o  m*/
    examsIcon.setFitWidth(imgSize);
    return new TreeItem<TreeElement>(box, examsIcon);
}

---

From source file:info.matsumana.repository.EmployeeRepositoryTest.java

/**
     * ???????class?????/*  www  . j  a va  2  s. c  o  m*/
     *
     * @param clazz 
     * @return ?
     */
    String resolvePhysicalDirectory(Class clazz) {
        return new File(clazz.getResource("").getFile()).getPath() + File.separator;
    }

---

From source file:integration.MongoDbSeedRule.java

private URL getClassSpecificResource(Class klazz, String name) {
    return klazz.getResource(klazz.getSimpleName() + "/" + name);
}

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