Example usage for java.lang ClassLoader getSystemResource

Introduction

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

Prototype

public static URL getSystemResource(String name) 

Source Link

Document

Find a resource of the specified name from the search path used to load classes.

Usage

From source file:org.lpe.common.util.system.LpeSystemUtils.java

/**
 * Detects and returns the root folder of the running application using the
 * passed class to locate the directory.
 * //  www  . jav  a2s. c o  m
 * @param mainClass
 *            class used to locate directory
 * @return returns the root folder of the running application.
 */
public static String getRootFolder(Class<?> mainClass) {
    if (mainClass == null) {
        mainClass = LpeSystemUtils.class;
    }

    final String baseErrorMsg = "Cannot locate root folder.";

    final String classFile = mainClass.getName().replaceAll("\\.", "/") + ".class";
    final URL classURL = ClassLoader.getSystemResource(classFile);

    String fullPath = "";
    String sampleClassFile = "/org/sopeco/util/Tools.class";
    if (classURL == null) {
        LpeSystemUtils tempObject = new LpeSystemUtils();
        fullPath = tempObject.getClass().getResource(sampleClassFile).toString();
        // logger.warn("{} The application may be running in an OSGi container.",
        // baseErrorMsg);
        // return ".";
    } else {
        fullPath = classURL.toString();
    }

    try {
        fullPath = URLDecoder.decode(fullPath, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        LOGGER.warn("{} UTF-8 encoding is not supported.", baseErrorMsg);
        return ".";
    }

    if (fullPath.indexOf("file:") > -1) {
        fullPath = fullPath.replaceFirst("file:", "").replaceFirst(classFile, "");
        fullPath = fullPath.substring(0, fullPath.lastIndexOf('/'));
    }
    if (fullPath.indexOf("jar:") > -1) {
        fullPath = fullPath.replaceFirst("jar:", "").replaceFirst("!" + classFile, "");
        fullPath = fullPath.substring(0, fullPath.lastIndexOf('/'));
    }
    if (fullPath.indexOf("bundleresource:") > -1) {
        fullPath = fullPath.substring(0, fullPath.indexOf(sampleClassFile));
    }

    // replace the java separator with the
    fullPath = fullPath.replace('/', File.separatorChar);

    // remove leading backslash
    if (fullPath.startsWith("\\")) {
        fullPath = fullPath.substring(1);
    }

    // remove the final 'bin'
    final int binIndex = fullPath.indexOf(File.separator + "bin");
    if (binIndex == fullPath.length() - "/bin".length()) {
        fullPath = fullPath.substring(0, binIndex);
    }

    LOGGER.debug("Root folder is detected at {}.", fullPath);

    return fullPath;
}

---

From source file:dk.dma.ais.decode.DecodeTest.java

/**
 * Decode all messages in a file Tries to handle proprietary messages
 * //  w  ww. java2s .  c  o  m
 * Demonstrates and tests the process of decoding lines into Vdm messages, and the decoding into AIS messages
 * 
 * @throws IOException
 */
@Test
public void readLoopTest() throws IOException {
    // Make a list of proprietary handlers

    // Open file
    URL url = ClassLoader.getSystemResource("stream_example.txt");
    Assert.assertNotNull(url);
    try (BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()))) {
        Assert.assertNotNull(in);
        String line;

        // Prepare message classes
        AisMessage message;
        Vdm vdm = new Vdm();
        LinkedList<IProprietaryTag> tags = new LinkedList<>();

        while ((line = in.readLine()) != null) {

            // Ignore everything else than sentences
            if (!line.startsWith("$") && !line.startsWith("!")) {
                continue;
            }

            // Check if proprietary line
            if (ProprietaryFactory.isProprietaryTag(line)) {
                // Try to parse with one the registered factories in
                // META-INF/services/dk.dma.ais.proprietary.ProprietaryFactory
                IProprietaryTag tag = ProprietaryFactory.parseTag(new SentenceLine(line));
                if (tag != null) {
                    tags.add(tag);
                }
                continue;
            }

            // Handle VDM/VDO line
            try {
                int result = vdm.parse(new SentenceLine(line));
                // LOG.info("result = " + result);
                if (result == 0) {
                    message = AisMessage.getInstance(vdm);
                    Assert.assertNotNull(message);
                    if (tags.size() > 0) {
                        message.setTags(tags);
                    }

                    // Message ready for handling

                } else if (result == 1) {
                    // Wait for more data
                    continue;
                } else {
                    LOG.error("Failed to parse line: " + line + " result = " + result);
                    Assert.assertTrue(false);
                }

            } catch (Exception e) {
                LOG.info("VDM failed: " + e.getMessage() + " line: " + line + " tag: "
                        + (tags.size() > 0 ? tags.peekLast() : "null"));
                Assert.assertTrue(false);
            }

            // Create new VDM
            vdm = new Vdm();
            tags.clear();
        }
    }
}

---

From source file:com.meyling.telnet.startup.Loader.java

/**
   This method will search for <code>resource</code> in different
   places. The search order is as follows:
        //from  w w  w.  ja v a2s .  c o  m
   <ol>
        
   <p><li>Search for <code>resource</code> using the thread context
   class loader under Java2. If that fails, search for
   <code>resource</code> using the class loader that loaded this
   class (<code>Loader</code>). Under JDK 1.1, only the the class
   loader that loaded this class (<code>Loader</code>) is used.
        
   <p><li>Try one last time with
   <code>ClassLoader.getSystemResource(resource)</code>, that is is
   using the system class loader in JDK 1.2 and virtual machine's
   built-in class loader in JDK 1.1.
        
   </ol>
*/
static public URL getResource(String resource) {
    ClassLoader classLoader = null;
    URL url = null;

    try {
        if (!java1) {
            classLoader = getTCL();
            if (classLoader != null) {
                trace.debug("Trying to find [" + resource + "] using context classloader " + classLoader + ".");
                url = classLoader.getResource(resource);
                if (url != null) {
                    return url;
                }
            }
        }

        // We could not find resource. Ler us now try with the
        // classloader that loaded this class.
        classLoader = Loader.class.getClassLoader();
        if (classLoader != null) {
            trace.debug("Trying to find [" + resource + "] using " + classLoader + " class loader.");
            url = classLoader.getResource(resource);
            if (url != null) {
                return url;
            }
        }
    } catch (Throwable t) {
        trace.warn(TSTR, t);
    }

    // Last ditch attempt: get the resource from the class path. It
    // may be the case that clazz was loaded by the Extentsion class
    // loader which the parent of the system class loader. Hence the
    // code below.
    trace.debug("Trying to find [" + resource + "] using ClassLoader.getSystemResource().");
    return ClassLoader.getSystemResource(resource);
}

---

From source file:com.antelink.sourcesquare.server.EmbeddedServer.java

public void startServer() throws Exception {

    logger.debug("adding webhandler");
    getClass().getClassLoader();/* ww w.  j  a  va  2s. com*/
    this.webContext = new WebAppContext(ClassLoader.getSystemResource("webapp/").toExternalForm(), "/");
    FilterHolder resultFilter = new FilterHolder(new ResultFilter(this.eventBus));
    this.webContext.addFilter(resultFilter, "/result.jsp", 1);

    logger.debug("loading: " + ClassLoader.getSystemResource("webapp/").toExternalForm());
    this.contexts.addHandler(this.webContext);

    logger.debug("adding status servlet");
    ServletHolder statusService = new ServletHolder(new StatusServlet());
    this.servletContext.addServlet(statusService, "/status");

    logger.debug("adding publish servlet");
    ServletHolder publishService = new ServletHolder(this.publishServlet);
    this.servletContext.addServlet(publishService, "/publish");

    logger.debug("adding shutdown servlet");
    ServletHolder shutdownService = new ServletHolder(this.shutdownServlet);
    this.servletContext.addServlet(shutdownService, "/shutdown");

    logger.debug("adding time servlet");
    ServletHolder timeService = new ServletHolder(new TimeServlet());
    this.servletContext.addServlet(timeService, "/time");

    logger.debug("adding quapcha servlet");
    ServletHolder quaptchaService = new ServletHolder(new QuaptchaServlet());
    this.servletContext.addServlet(quaptchaService, "/check/captcha");

    this.contexts.addHandler(this.servletContext);

    ErrorHandler errorHandler = new ErrorHandler();

    this.webContext.setErrorHandler(errorHandler);
    this.servletContext.setErrorHandler(errorHandler);

    this.jetty.setHandler(this.contexts);

    bind();

    this.jetty.start();
}

---

From source file:com.datamoin.tajo.tpcds.TpcDSTestUtil.java

public static void createTables(String database, TajoClient client) throws Exception {
    String dataDir = getDataDir();
    if (dataDir == null || dataDir.isEmpty()) {
        throw new IOException("No TPCDS_DATA_DIR property. Use -DTPCDS_DATA_DIR=<data dir>");
    }/* w w w  . j  a  va 2 s . c om*/

    if (dataDir.startsWith("hdfs://")) {
        Path path = new Path(dataDir);
        FileSystem fs = path.getFileSystem(new Configuration());
        for (String eachTable : tableNames) {
            Path tableDataDir = new Path(path, eachTable);
            if (!fs.exists(tableDataDir)) {
                throw new IOException(eachTable + " data dir [" + tableDataDir + "] not exists.");
            }
        }
    } else {
        File dataDirFile = new File(dataDir);
        if (!dataDirFile.exists()) {
            throw new IOException("TPCDS_DATA_DIR [" + dataDir + "] not exists.");
        }
        if (dataDirFile.isFile()) {
            throw new IOException("TPCDS_DATA_DIR [" + dataDir + "] is not a directory.");
        }

        for (String eachTable : tableNames) {
            File tableDataDir = new File(dataDirFile, eachTable);
            if (!tableDataDir.exists()) {
                throw new IOException(eachTable + " data dir [" + tableDataDir + "] not exists.");
            }
        }
    }

    KeyValueSet opt = new KeyValueSet();
    opt.set(StorageConstants.TEXT_DELIMITER, StorageConstants.DEFAULT_FIELD_DELIMITER);

    LOG.info("Create database: " + database);
    client.executeQuery("create database if not exists " + database);

    Path tpcdsResourceURL = new Path(ClassLoader.getSystemResource("tpcds").toString());

    Path ddlPath = new Path(tpcdsResourceURL, "ddl");
    FileSystem localFs = FileSystem.getLocal(new Configuration());

    FileStatus[] files = localFs.listStatus(ddlPath);

    String dataDirWithPrefix = dataDir;
    if (dataDir.indexOf("://") < 0) {
        dataDirWithPrefix = "file://" + dataDir;
    }

    for (FileStatus eachFile : files) {
        if (eachFile.isFile()) {
            String tableName = eachFile.getPath().getName().split("\\.")[0];
            String query = FileUtil.readTextFile(new File(eachFile.getPath().toUri()));
            query = query.replace("${DB}", database);
            query = query.replace("${DATA_LOCATION}", dataDirWithPrefix + "/" + tableName);

            LOG.info("Create table:" + tableName + "," + query);
            client.executeQuery(query);
        }
    }
}

---

From source file:com.sonatype.security.ldap.AbstractLdapTestCase.java

private String getFilePath(String filename) {
    // first check if the file is defined for the class
    String resourcePath = this.getClass().getName().replace('.', '/');
    resourcePath += "-" + filename;

    // now check if it exists
    if (ClassLoader.getSystemResource(resourcePath) != null) {
        return resourcePath;
    } else {/*w ww  . j a  va2 s. c  o  m*/
        return "/defaults/" + filename;
    }
}

---

From source file:com.novoda.imageloader.core.file.util.FileUtilTest.java

@Test
public void shouldCopyStreams() throws FileNotFoundException, URISyntaxException {
    URL testFile = ClassLoader.getSystemResource("testFile1");
    File from = new File(testFile.toURI());
    assertTrue(from.exists());//from  w  w  w  .  ja va  2s .c  om
    File to = new File(cacheDir.getAbsolutePath() + "testFile3");
    InputStream in = new FileInputStream(from);
    OutputStream out = new FileOutputStream(to);

    fileUtil.copyStream(in, out);

    FileAssert.assertBinaryEquals(from, to);
}

---

From source file:fr.gael.dhus.server.http.webapp.owc.controller.OwcMenuController.java

@PreAuthorize("isAuthenticated () AND hasRole('ROLE_DATA_MANAGER')")
@RequestMapping(value = "/settings/menu", method = RequestMethod.PUT)
public ResponseEntity<?> setMenu(@RequestBody MenuData body) throws JSONException {

    URL configFile = ClassLoader.getSystemResource("../etc/conf/menu.json");
    if (configFile != null && body != null) {
        logger.debug("Loading configuration file " + configFile.getPath());

        try {//from  ww w .  j  a  v  a2 s . c  o  m

            PrintWriter fileWriter = new PrintWriter(new FileOutputStream(configFile.getPath(), false));
            fileWriter.println("{\"sections\":[");
            for (MenuSectionsData section : body.getSections()) {
                fileWriter.println("{");
                if (section.getTitle() != null && !section.getTitle().isEmpty())
                    fileWriter.println("\"title\":\"" + section.getTitle() + "\",");
                if (section.getIcon() != null && !section.getIcon().isEmpty())
                    fileWriter.println("\"icon\":\"" + section.getIcon() + "\",");
                if (section.getComponent() != null && !section.getComponent().isEmpty())
                    fileWriter.println("\"component\":\"" + section.getComponent() + "\",");
                if (section.getWidth() != null && !section.getWidth().isEmpty())
                    fileWriter.println("\"width\":\"" + section.getWidth() + "\",");
                if (section.getRemoteUrl() != null && !section.getRemoteUrl().isEmpty())
                    fileWriter.println("\"remoteUrl\":\"" + section.getRemoteUrl() + "\"");
                else
                    fileWriter.println("\"remoteUrl\":\"\"");
                fileWriter.println("},");

            }
            fileWriter.println("]}");
            fileWriter.close();

            return new ResponseEntity<>("{\"code\":\"success\"}", HttpStatus.OK);
        } catch (IOException e) {

            logger.error(" Cannot write menu configration file ");
            e.printStackTrace();
            return new ResponseEntity<>("{\"code\":\"unauthorized\"}", HttpStatus.UNAUTHORIZED);
        }
    } else {
        logger.error(" Cannot get menu configration file ");
        return new ResponseEntity<>("{\"code\":\"unauthorized\"}", HttpStatus.UNAUTHORIZED);
    }

}

---

From source file:org.oncoblocks.centromere.dataimport.cli.test.ImportCommandTests.java

@Test
public void importRunnerTest() throws Exception {
    Assert.isTrue(sampleDataRepository.count() == 0);
    Assert.isTrue(dataFileRepository.count() == 0);
    Assert.isTrue(dataSetRepository.count() == 0);
    String[] args = { "import", "-t", "sample_data", "-i",
            ClassLoader.getSystemResource("placeholder.txt").getPath(), "--skip-invalid-records", "-d",
            "{\"label\": \"test\", \"name\": \"Test data\", \"source\": \"internal\"}" };
    ImportCommandArguments arguments = new ImportCommandArguments();
    JCommander commander = new JCommander();
    commander.addCommand("import", arguments);
    commander.parse(args);/*from   ww  w. ja v  a 2 s  .  co  m*/
    ImportCommandRunner runner = new ImportCommandRunner(manager);
    runner.run(arguments);
    Assert.isTrue(sampleDataRepository.count() == 5);
    Assert.isTrue(dataFileRepository.count() == 1);
    Assert.isTrue(dataSetRepository.count() == 1);
}

---

From source file:ch.sdi.core.impl.data.CsvCollectorTest.java

/**
 * @param aFilename//from www.  j  a v  a 2 s  . co  m
 * @return
 */
private File toFile(String aFilename) {
    URL url = ClassLoader.getSystemResource(aFilename);
    File file = new File(url.getPath());
    return file;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• »