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.activiti.idm.engine.IdmEngines.java

/**
 * Initializes all idm engines that can be found on the classpath for resources <code>activiti.idm.cfg.xml</code> and for resources
 * <code>activiti-idm-context.xml</code> (Spring style
 * configuration).//from   w  w  w  .j  av a  2s.co m
 */
public synchronized static void init() {
    if (!isInitialized()) {
        if (idmEngines == null) {
            // Create new map to store idm engines if current map is null
            idmEngines = new HashMap<String, IdmEngine>();
        }
        ClassLoader classLoader = IdmEngines.class.getClassLoader();
        Enumeration<URL> resources = null;
        try {
            resources = classLoader.getResources("activiti.idm.cfg.xml");
        } catch (IOException e) {
            throw new ActivitiException("problem retrieving activiti.idm.cfg.xml resources on the classpath: "
                    + System.getProperty("java.class.path"), e);
        }

        // Remove duplicated configuration URL's using set. Some
        // classloaders may return identical URL's twice, causing duplicate startups
        Set<URL> configUrls = new HashSet<URL>();
        while (resources.hasMoreElements()) {
            configUrls.add(resources.nextElement());
        }
        for (Iterator<URL> iterator = configUrls.iterator(); iterator.hasNext();) {
            URL resource = iterator.next();
            log.info("Initializing idm engine using configuration '{}'", resource.toString());
            initIdmEngineFromResource(resource);
        }

        try {
            resources = classLoader.getResources("activiti-idm-context.xml");
        } catch (IOException e) {
            throw new ActivitiException(
                    "problem retrieving activiti-idm-context.xml resources on the classpath: "
                            + System.getProperty("java.class.path"),
                    e);
        }

        while (resources.hasMoreElements()) {
            URL resource = resources.nextElement();
            log.info("Initializing idm engine using Spring configuration '{}'", resource.toString());
            initIdmEngineFromSpringResource(resource);
        }

        setInitialized(true);
    } else {
        log.info("Idm engines already initialized");
    }
}

---

From source file:org.flowable.form.engine.FormEngines.java

/**
 * Initializes all form engines that can be found on the classpath for resources <code>flowable.form.cfg.xml</code> and for resources <code>flowable-dmn-context.xml</code> (Spring style
 * configuration).//from  w  ww.  j a v a2s .  c  o  m
 */
public synchronized static void init() {
    if (!isInitialized()) {
        if (formEngines == null) {
            // Create new map to store dmn engines if current map is null
            formEngines = new HashMap<String, FormEngine>();
        }
        ClassLoader classLoader = FormEngines.class.getClassLoader();
        Enumeration<URL> resources = null;
        try {
            resources = classLoader.getResources("flowable.form.cfg.xml");
        } catch (IOException e) {
            throw new FlowableException("problem retrieving flowable.form.cfg.xml resources on the classpath: "
                    + System.getProperty("java.class.path"), e);
        }

        // Remove duplicated configuration URL's using set. Some
        // classloaders may return identical URL's twice, causing duplicate startups
        Set<URL> configUrls = new HashSet<URL>();
        while (resources.hasMoreElements()) {
            configUrls.add(resources.nextElement());
        }
        for (Iterator<URL> iterator = configUrls.iterator(); iterator.hasNext();) {
            URL resource = iterator.next();
            log.info("Initializing form engine using configuration '{}'", resource.toString());
            initFormEngineFromResource(resource);
        }

        try {
            resources = classLoader.getResources("flowable-form-context.xml");
        } catch (IOException e) {
            throw new FlowableException(
                    "problem retrieving flowable-form-context.xml resources on the classpath: "
                            + System.getProperty("java.class.path"),
                    e);
        }

        while (resources.hasMoreElements()) {
            URL resource = resources.nextElement();
            log.info("Initializing form engine using Spring configuration '{}'", resource.toString());
            initFormEngineFromSpringResource(resource);
        }

        setInitialized(true);
    } else {
        log.info("Form engines already initialized");
    }
}

---

From source file:architecture.common.model.factory.ModelTypeFactory.java

private static List<ModelList> parseLegacyXmlFile(List<ModelList> list) throws Exception {
    ClassLoader cl = Thread.currentThread().getContextClassLoader();
    Enumeration<URL> enumeration = cl.getResources(IF_PLUGIN_PATH);
    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setNamespaceAware(true);/*from  ww  w  .  ja  v a 2s.c o m*/
    XMLReader xmlreader = factory.newSAXParser().getXMLReader();
    ImplFactoryParsingHandler handler = new ImplFactoryParsingHandler();
    xmlreader.setContentHandler(handler);
    xmlreader.setDTDHandler(handler);
    xmlreader.setEntityResolver(handler);
    xmlreader.setErrorHandler(handler);
    System.out.println("Model Enum:");
    do {
        if (!enumeration.hasMoreElements())
            break;
        URL url = (URL) enumeration.nextElement();
        System.out.println(" - " + url);
        try {
            xmlreader.parse(new InputSource(url.openStream()));
            ModelList factorylist = new ModelList();
            factorylist.rank = handler.rank;
            factorylist.modelTypes.addAll(handler.getModels());
            list.add(factorylist);
        } catch (Exception exception) {
        }
    } while (true);

    return list;
}

---

From source file:org.activiti.dmn.engine.DmnEngines.java

/**
 * Initializes all dmn engines that can be found on the classpath for
 * resources <code>activiti.dmn.cfg.xml</code> and for resources
 * <code>activiti-dmn-context.xml</code> (Spring style configuration).
 *///from   w ww.  j a v a2 s .  c o m
public synchronized static void init() {
    if (!isInitialized()) {
        if (dmnEngines == null) {
            // Create new map to store dmn engines if current map is null
            dmnEngines = new HashMap<String, DmnEngine>();
        }
        ClassLoader classLoader = DmnEngines.class.getClassLoader();
        Enumeration<URL> resources = null;
        try {
            resources = classLoader.getResources("activiti.dmn.cfg.xml");
        } catch (IOException e) {
            throw new ActivitiException("problem retrieving activiti.dmn.cfg.xml resources on the classpath: "
                    + System.getProperty("java.class.path"), e);
        }

        // Remove duplicated configuration URL's using set. Some
        // classloaders may return identical URL's twice, causing duplicate startups
        Set<URL> configUrls = new HashSet<URL>();
        while (resources.hasMoreElements()) {
            configUrls.add(resources.nextElement());
        }
        for (Iterator<URL> iterator = configUrls.iterator(); iterator.hasNext();) {
            URL resource = iterator.next();
            log.info("Initializing dmn engine using configuration '{}'", resource.toString());
            initDmnEngineFromResource(resource);
        }

        try {
            resources = classLoader.getResources("activiti-dmn-context.xml");
        } catch (IOException e) {
            throw new ActivitiException(
                    "problem retrieving activiti-dmn-context.xml resources on the classpath: "
                            + System.getProperty("java.class.path"),
                    e);
        }

        while (resources.hasMoreElements()) {
            URL resource = resources.nextElement();
            log.info("Initializing dmn engine using Spring configuration '{}'", resource.toString());
            initDmnEngineFromSpringResource(resource);
        }

        setInitialized(true);
    } else {
        log.info("DMN engines already initialized");
    }
}

---

From source file:org.flowable.dmn.engine.DmnEngines.java

/**
 * Initializes all dmn engines that can be found on the classpath for
 * resources <code>flowable.dmn.cfg.xml</code> and for resources
 * <code>flowable-dmn-context.xml</code> (Spring style configuration).
 *///from  w w w  .ja v a 2  s.c o  m
public synchronized static void init() {
    if (!isInitialized()) {
        if (dmnEngines == null) {
            // Create new map to store dmn engines if current map is null
            dmnEngines = new HashMap<String, DmnEngine>();
        }
        ClassLoader classLoader = DmnEngines.class.getClassLoader();
        Enumeration<URL> resources = null;
        try {
            resources = classLoader.getResources("flowable.dmn.cfg.xml");
        } catch (IOException e) {
            throw new FlowableException("problem retrieving flowable.dmn.cfg.xml resources on the classpath: "
                    + System.getProperty("java.class.path"), e);
        }

        // Remove duplicated configuration URL's using set. Some
        // classloaders may return identical URL's twice, causing duplicate startups
        Set<URL> configUrls = new HashSet<URL>();
        while (resources.hasMoreElements()) {
            configUrls.add(resources.nextElement());
        }
        for (Iterator<URL> iterator = configUrls.iterator(); iterator.hasNext();) {
            URL resource = iterator.next();
            log.info("Initializing dmn engine using configuration '{}'", resource.toString());
            initDmnEngineFromResource(resource);
        }

        try {
            resources = classLoader.getResources("flowable-dmn-context.xml");
        } catch (IOException e) {
            throw new FlowableException(
                    "problem retrieving flowable-dmn-context.xml resources on the classpath: "
                            + System.getProperty("java.class.path"),
                    e);
        }

        while (resources.hasMoreElements()) {
            URL resource = resources.nextElement();
            log.info("Initializing dmn engine using Spring configuration '{}'", resource.toString());
            initDmnEngineFromSpringResource(resource);
        }

        setInitialized(true);
    } else {
        log.info("DMN engines already initialized");
    }
}

---

From source file:org.activiti.engine.ProcessEngines.java

/**
 * Initializes all process engines that can be found on the classpath for resources <code>flowable.cfg.xml</code> (plain Activiti style configuration) and for resources
 * <code>activiti-context.xml</code> (Spring style configuration).
 *///  ww  w .j  a  v a2  s .c o  m
public static synchronized void init() {
    if (!isInitialized()) {
        if (processEngines == null) {
            // Create new map to store process-engines if current map is null
            processEngines = new HashMap<>();
        }
        ClassLoader classLoader = ReflectUtil.getClassLoader();
        Enumeration<URL> resources = null;
        try {
            resources = classLoader.getResources("flowable.cfg.xml");
        } catch (IOException e) {
            throw new ActivitiIllegalArgumentException(
                    "problem retrieving flowable.cfg.xml resources on the classpath: "
                            + System.getProperty("java.class.path"),
                    e);
        }

        // Remove duplicated configuration URL's using set. Some classloaders may return identical URL's twice, causing duplicate startups
        Set<URL> configUrls = new HashSet<>();
        while (resources.hasMoreElements()) {
            configUrls.add(resources.nextElement());
        }
        for (Iterator<URL> iterator = configUrls.iterator(); iterator.hasNext();) {
            URL resource = iterator.next();
            LOGGER.info("Initializing process engine using configuration '{}'", resource.toString());
            initProcessEngineFromResource(resource);
        }

        try {
            resources = classLoader.getResources("activiti-context.xml");
        } catch (IOException e) {
            throw new ActivitiIllegalArgumentException(
                    "problem retrieving activiti-context.xml resources on the classpath: "
                            + System.getProperty("java.class.path"),
                    e);
        }
        while (resources.hasMoreElements()) {
            URL resource = resources.nextElement();
            LOGGER.info("Initializing process engine using Spring configuration '{}'", resource.toString());
            initProcessEngineFromSpringResource(resource);
        }

        setInitialized(true);
    } else {
        LOGGER.info("Process engines already initialized");
    }
}

---

From source file:org.activiti.content.engine.ContentEngines.java

/**
 * Initializes all dmn engines that can be found on the classpath for resources <code>activiti.dmn.cfg.xml</code> and for resources <code>activiti-dmn-context.xml</code> (Spring style
 * configuration).//from   w  w  w .  j  a v  a2s .  co m
 */
public synchronized static void init() {
    if (!isInitialized()) {
        if (contentEngines == null) {
            // Create new map to store content engines if current map is null
            contentEngines = new HashMap<String, ContentEngine>();
        }
        ClassLoader classLoader = ContentEngines.class.getClassLoader();
        Enumeration<URL> resources = null;
        try {
            resources = classLoader.getResources("activiti.content.cfg.xml");
        } catch (IOException e) {
            throw new ActivitiException(
                    "problem retrieving activiti.content.cfg.xml resources on the classpath: "
                            + System.getProperty("java.class.path"),
                    e);
        }

        // Remove duplicated configuration URL's using set. Some
        // classloaders may return identical URL's twice, causing duplicate startups
        Set<URL> configUrls = new HashSet<URL>();
        while (resources.hasMoreElements()) {
            configUrls.add(resources.nextElement());
        }
        for (Iterator<URL> iterator = configUrls.iterator(); iterator.hasNext();) {
            URL resource = iterator.next();
            log.info("Initializing content engine using configuration '{}'", resource.toString());
            initContentEngineFromResource(resource);
        }

        try {
            resources = classLoader.getResources("activiti-content-context.xml");
        } catch (IOException e) {
            throw new ActivitiException(
                    "problem retrieving activiti-content-context.xml resources on the classpath: "
                            + System.getProperty("java.class.path"),
                    e);
        }

        while (resources.hasMoreElements()) {
            URL resource = resources.nextElement();
            log.info("Initializing content engine using Spring configuration '{}'", resource.toString());
            initContentEngineFromSpringResource(resource);
        }

        setInitialized(true);
    } else {
        log.info("Content engines already initialized");
    }
}

---

From source file:org.flowable.content.engine.ContentEngines.java

/**
 * Initializes all dmn engines that can be found on the classpath for resources <code>flowable.content.cfg.xml</code> and for resources <code>flowable-dmn-context.xml</code> (Spring style
 * configuration)./*w  w  w.  java 2  s .  c  om*/
 */
public synchronized static void init() {
    if (!isInitialized()) {
        if (contentEngines == null) {
            // Create new map to store content engines if current map is null
            contentEngines = new HashMap<String, ContentEngine>();
        }
        ClassLoader classLoader = ContentEngines.class.getClassLoader();
        Enumeration<URL> resources = null;
        try {
            resources = classLoader.getResources("flowable.content.cfg.xml");
        } catch (IOException e) {
            throw new FlowableException(
                    "problem retrieving flowable.content.cfg.xml resources on the classpath: "
                            + System.getProperty("java.class.path"),
                    e);
        }

        // Remove duplicated configuration URL's using set. Some
        // classloaders may return identical URL's twice, causing duplicate startups
        Set<URL> configUrls = new HashSet<URL>();
        while (resources.hasMoreElements()) {
            configUrls.add(resources.nextElement());
        }
        for (Iterator<URL> iterator = configUrls.iterator(); iterator.hasNext();) {
            URL resource = iterator.next();
            log.info("Initializing content engine using configuration '{}'", resource.toString());
            initContentEngineFromResource(resource);
        }

        try {
            resources = classLoader.getResources("flowable-content-context.xml");
        } catch (IOException e) {
            throw new FlowableException(
                    "problem retrieving flowable-content-context.xml resources on the classpath: "
                            + System.getProperty("java.class.path"),
                    e);
        }

        while (resources.hasMoreElements()) {
            URL resource = resources.nextElement();
            log.info("Initializing content engine using Spring configuration '{}'", resource.toString());
            initContentEngineFromSpringResource(resource);
        }

        setInitialized(true);
    } else {
        log.info("Content engines already initialized");
    }
}

---

From source file:org.flowable.engine.ProcessEngines.java

/**
 * Initializes all process engines that can be found on the classpath for resources <code>flowable.cfg.xml</code> (plain Flowable style configuration) and for resources
 * <code>flowable-context.xml</code> (Spring style configuration).
 *//*from www .  j a  va 2s .  com*/
public static synchronized void init() {
    if (!isInitialized()) {
        if (processEngines == null) {
            // Create new map to store process-engines if current map is null
            processEngines = new HashMap<>();
        }
        ClassLoader classLoader = ReflectUtil.getClassLoader();
        Enumeration<URL> resources = null;
        try {
            resources = classLoader.getResources("flowable.cfg.xml");
        } catch (IOException e) {
            throw new FlowableIllegalArgumentException(
                    "problem retrieving flowable.cfg.xml resources on the classpath: "
                            + System.getProperty("java.class.path"),
                    e);
        }

        // Remove duplicated configuration URL's using set. Some
        // classloaders may return identical URL's twice, causing duplicate
        // startups
        Set<URL> configUrls = new HashSet<>();
        while (resources.hasMoreElements()) {
            configUrls.add(resources.nextElement());
        }
        for (Iterator<URL> iterator = configUrls.iterator(); iterator.hasNext();) {
            URL resource = iterator.next();
            LOGGER.info("Initializing process engine using configuration '{}'", resource.toString());
            initProcessEngineFromResource(resource);
        }

        try {
            resources = classLoader.getResources("flowable-context.xml");
        } catch (IOException e) {
            throw new FlowableIllegalArgumentException(
                    "problem retrieving flowable-context.xml resources on the classpath: "
                            + System.getProperty("java.class.path"),
                    e);
        }
        while (resources.hasMoreElements()) {
            URL resource = resources.nextElement();
            LOGGER.info("Initializing process engine using Spring configuration '{}'", resource.toString());
            initProcessEngineFromSpringResource(resource);
        }

        setInitialized(true);
    } else {
        LOGGER.info("Process engines already initialized");
    }
}

---

From source file:com.yunrang.hadoop.app.utils.CustomizedUtil.java

/**
 * Find a jar that contains a class of the same name, if any. It will return
 * a jar file, even if that is not the first thing on the class path that
 * has a class with the same name. Looks first on the classpath and then in
 * the <code>packagedClasses</code> map.
 * //from   w  w  w .  ja v a  2  s .c om
 * @param my_class the class to find.
 * @return a jar file that contains the class, or null.
 * @throws IOException
 */
public static String findContainingJar(Class<?> my_class, Map<String, String> packagedClasses)
        throws IOException {
    ClassLoader loader = my_class.getClassLoader();
    String class_file = my_class.getName().replaceAll("\\.", "/") + ".class";
    // first search the classpath
    for (Enumeration<URL> itr = loader.getResources(class_file); itr.hasMoreElements();) {
        URL url = itr.nextElement();
        if ("jar".equals(url.getProtocol())) {
            String toReturn = url.getPath();
            if (toReturn.startsWith("file:")) {
                toReturn = toReturn.substring("file:".length());
            }
            // URLDecoder is a misnamed class, since it actually decodes
            // x-www-form-urlencoded MIME type rather than actual
            // URL encoding (which the file path has). Therefore it would
            // decode +s to ' 's which is incorrect (spaces are actually
            // either unencoded or encoded as "%20"). Replace +s first, so
            // that they are kept sacred during the decoding process.
            toReturn = toReturn.replaceAll("\\+", "%2B");
            toReturn = URLDecoder.decode(toReturn, "UTF-8");
            return toReturn.replaceAll("!.*$", "");
        }
    }
    // now look in any jars we've packaged using JarFinder. Returns null
    // when
    // no jar is found.
    return packagedClasses.get(class_file);
}

---

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