Example usage for java.util Enumeration hasMoreElements

Introduction

In this page you can find the example usage for java.util Enumeration hasMoreElements.

Prototype

boolean hasMoreElements();

Source Link

Document

Tests if this enumeration contains more elements.

Usage

From source file:Main.java

@SuppressWarnings("unchecked")
public static <T extends Collection<K>, K> T toCollection(Class<?> clazz, Enumeration<K> enumeration) {
    if (clazz == null) {
        throw new RuntimeException("Class cannot be null.");
    }/*w  w w. j a  va2 s.  c  o  m*/
    try {
        T collection = (T) clazz.newInstance();

        if (enumeration != null) {
            while (enumeration.hasMoreElements()) {
                collection.add(enumeration.nextElement());
            }
        }

        return collection;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

---

From source file:com.autentia.tnt.util.JPivotUtils.java

/**
 * Ejecuta una query MDX sobre un cubo OLAP utilizando el datasource por defecto. <br>
 * El resultado lo almacena en el contexto de sesin para que pueda ser recogido y pintado por las etiquetas de JPivot.
 * //  w  w  w. java 2s  .com
 * @param mdxQuery query a ejecutar
 * @param cubeSchema URL del que representa el cubo OLAP
 * @return
 * @throws SAXException
 * @throws IOException
 * @throws OlapException
 */
public static OlapModel executeOlapQuery(String mdxQuery, URL schema, HttpSession session)
        throws SAXException, IOException, OlapException {

    final RequestContext context = RequestContext.instance();

    // final URL schema = JpivotUtils.class.getResource(cubeSchema);//new URL("file:///"+cubeSchema);//

    final MondrianModelFactory.Config cfg = new MondrianModelFactory.Config();
    cfg.setMdxQuery(mdxQuery);
    cfg.setSchemaUrl(schema.toExternalForm());
    cfg.setDataSource(DATA_SOURCE);

    final MondrianModel mondrianModel = MondrianModelFactory.instance(cfg);
    final OlapModel olapModel = (OlapModel) mondrianModel.getTopDecorator();
    olapModel.setLocale(context.getLocale());
    // olapModel.setLocale(FacesContext.getCurrentInstance().getViewRoot().getLocale());
    olapModel.setServletContext(context.getSession().getServletContext());
    // olapModel.setServletContext((ServletContext)FacesContext.getCurrentInstance().getExternalContext().getContext());

    // olapModel.
    olapModel.initialize();

    if (log.isDebugEnabled()) {
        java.util.Enumeration attributeNames = session.getAttributeNames();
        while (attributeNames.hasMoreElements()) {
            String name = (String) attributeNames.nextElement();
            log.debug("--- name: " + name + "; type:" + session.getAttribute(name).getClass() + " ---");
        }
    }

    // borramos de la sesion los datos que ha metido JPivot
    // y el model de la consulta que volveremos a meter
    // Esto es necesario porque los tags de JPivot no machacan los
    // valores si ya estn en sesin; por lo que al cambiar de informe
    // sigue mostrando el informe selecionado previamente
    session.removeAttribute(JPivotUtils.QUERY_SESSION_NAME);
    session.removeAttribute(JPivotUtils.TABLE_SESSION_NAME);
    session.removeAttribute(JPivotUtils.NAVI_SESSION_NAME);
    session.removeAttribute(JPivotUtils.SORTFORM_SESSION_NAME);
    session.removeAttribute(JPivotUtils.PRINT_SESSION_NAME);
    session.removeAttribute(JPivotUtils.PRINTFORM_SESSION_NAME);
    session.removeAttribute(JPivotUtils.CHART_SESSION_NAME);
    session.removeAttribute(JPivotUtils.CHARTFORM_SESSION_NAME);
    session.removeAttribute(JPivotUtils.TOOLBAR_SESSION_NAME);

    session.setAttribute(JPivotUtils.QUERY_SESSION_NAME, olapModel);
    return olapModel;
}

---

From source file:com.mc.printer.model.utils.ZipHelper.java

/**
 * jar????//from   ww w.ja  v  a  2s.  c o m
 *
 * @param jar ????jar
 * @param subDir jar???????
 * @param loc ????
 * @param force ????
 * @return
 */
public static boolean unZip(String jar, String subDir, String loc, boolean force) {
    try {
        File base = new File(loc);
        if (!base.exists()) {
            base.mkdirs();
        }

        ZipFile zip = new ZipFile(new File(jar));
        Enumeration<? extends ZipEntry> entrys = zip.entries();
        while (entrys.hasMoreElements()) {
            ZipEntry entry = entrys.nextElement();
            String name = entry.getName();
            if (!name.startsWith(subDir)) {
                continue;
            }
            //subDir
            name = name.replace(subDir, "").trim();
            if (name.length() < 2) {
                log.debug(name + "  < 2");
                continue;
            }
            if (entry.isDirectory()) {
                File dir = new File(base, name);
                if (!dir.exists()) {
                    dir.mkdirs();
                    log.debug("create directory");
                } else {
                    log.debug("the directory is existing.");
                }
                log.debug(name + " is a directory");
            } else {
                File file = new File(base, name);
                if (file.exists() && force) {
                    file.delete();
                }
                if (!file.exists()) {
                    InputStream in = zip.getInputStream(entry);
                    FileUtils.copyInputStreamToFile(in, file);
                    log.debug("create file.");
                    in.close();
                } else {
                    log.debug("the file is existing");
                }
                log.debug(name + " is not a directory");
            }
        }
        zip.close();
    } catch (ZipException ex) {
        ex.printStackTrace();
        log.error("file unzip failed.", ex);
        return false;
    } catch (IOException ex) {
        ex.printStackTrace();
        log.error("file IO failed", ex);
        return false;
    }
    return true;
}

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From source file:com.netflix.config.ClasspathPropertiesConfiguration.java

private static void loadResources(ClassLoader loader, String resourceName) throws Exception {
    Enumeration<URL> resources = loader.getResources(resourceName);
    boolean loadedResources = false;
    while (resources.hasMoreElements()) {
        URL from = resources.nextElement();
        /* Properties props = loadProperties(from);
        String configName = getConfigName(props, from);
        containerConfiguration.addConfiguration(
              new PropertiesConfiguration(from), configName); */
        ConfigurationManager.loadPropertiesFromResources(from.getPath());
        log.debug("Added properties from:" + from + from.getPath());
        loadedResources = true;/* w w w.  j a v a2  s.  c  o m*/
    }
    if (!loadedResources) {
        log.debug("Did not find any properties resource in the classpath with name:"
                + propertiesResourceRelativePath);
    }
}

---

From source file:com.modeln.build.ctrl.charts.CMnPatchCountChart.java

/**
 * Create a chart representing an arbitrary collection of name/value pairs. 
 * The data is passed in as a hashtable where the key is the name and the  
 * value is the number items. //  w w  w.java  2  s . c o  m
 */
public static final JFreeChart getBarChart(Hashtable<String, Integer> data, String title, String nameLabel,
        String valueLabel) {
    JFreeChart chart = null;

    // Sort the data by name
    Vector<String> names = new Vector<String>();
    Enumeration nameList = data.keys();
    while (nameList.hasMoreElements()) {
        names.add((String) nameList.nextElement());
    }
    Collections.sort(names);

    // Populate the dataset with data
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    Iterator keyIter = names.iterator();
    while (keyIter.hasNext()) {
        String name = (String) keyIter.next();
        Integer value = data.get(name);
        dataset.addValue(value, valueLabel, name);
    }

    // Create the chart
    chart = ChartFactory.createBarChart(title, /*title*/
            nameLabel, /*categoryAxisLabel*/
            valueLabel, /*valueAxisLabel*/
            dataset, /*dataset*/
            PlotOrientation.VERTICAL, /*orientation*/
            false, /*legend*/
            false, /*tooltips*/
            false /*urls*/
    );

    // get a reference to the plot for further customization...
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    //chartFormatter.formatMetricChart(plot, "min");

    // Set the chart colors
    plot.setBackgroundPaint(Color.white);
    plot.setDomainGridlinePaint(Color.lightGray);
    plot.setRangeGridlinePaint(Color.lightGray);

    // set the range axis to display integers only...
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // disable bar outlines...
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    renderer.setShadowVisible(false);
    final GradientPaint gp = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, Color.blue);
    renderer.setSeriesPaint(0, gp);

    // Set the label orientation
    CategoryAxis domainAxis = plot.getDomainAxis();
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);

    return chart;
}

---

From source file:com.vaadin.tests.tb3.PrivateTB3Configuration.java

/**
 * Tries to automatically determine the IP address of the machine the test
 * is running on.//from   w  w  w. j a  v a2s .c  om
 * 
 * @return An IP address of one of the network interfaces in the machine.
 * @throws RuntimeException
 *             if there was an error or no IP was found
 */
private static String findAutoHostname() {
    try {
        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
        while (interfaces.hasMoreElements()) {
            NetworkInterface nwInterface = interfaces.nextElement();
            if (!nwInterface.isUp() || nwInterface.isLoopback() || nwInterface.isVirtual()) {
                continue;
            }
            Enumeration<InetAddress> addresses = nwInterface.getInetAddresses();
            while (addresses.hasMoreElements()) {
                InetAddress address = addresses.nextElement();
                if (address.isLoopbackAddress()) {
                    continue;
                }
                if (address.isSiteLocalAddress()) {
                    return address.getHostAddress();
                }
            }
        }
    } catch (SocketException e) {
        throw new RuntimeException("Could not enumerate ");
    }

    throw new RuntimeException("No compatible (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16) ip address found.");
}

---

From source file:com.chinamobile.bcbsp.fault.tools.Zip.java

/**
 * Uncompress *.zip files.//from  w  w  w .  jav  a  2  s . c om
 * @param fileName
 *        : file to be uncompress
 */
@SuppressWarnings("unchecked")
public static void decompress(String fileName) {
    File sourceFile = new File(fileName);
    String filePath = sourceFile.getParent() + "/";
    try {
        BufferedInputStream bis = null;
        BufferedOutputStream bos = null;
        ZipFile zipFile = new ZipFile(fileName);
        Enumeration en = zipFile.entries();
        byte[] data = new byte[BUFFER];
        while (en.hasMoreElements()) {
            ZipEntry entry = (ZipEntry) en.nextElement();
            if (entry.isDirectory()) {
                new File(filePath + entry.getName()).mkdirs();
                continue;
            }
            bis = new BufferedInputStream(zipFile.getInputStream(entry));
            File file = new File(filePath + entry.getName());
            File parent = file.getParentFile();
            if (parent != null && (!parent.exists())) {
                parent.mkdirs();
            }
            bos = new BufferedOutputStream(new FileOutputStream(file));
            int count;
            while ((count = bis.read(data, 0, BUFFER)) != -1) {
                bos.write(data, 0, count);
            }
            bis.close();
            bos.close();
        }
        zipFile.close();
    } catch (IOException e) {
        //LOG.error("[compress]", e);
        throw new RuntimeException("[compress]", e);
    }
}

---

From source file:ReflectUtils.java

/**
 * Scans all classes accessible from the context class loader which belong to the given package and subpackages.
 *
 * @param packageName The base package//from   w  w w  . j  a v a  2 s .  co  m
 * @return The classes
 * @throws ClassNotFoundException
 * @throws IOException
 */
private static Class[] getClasses(String packageName) throws ClassNotFoundException, IOException {
    //        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
    ClassLoader classLoader = ClassLoader.getSystemClassLoader();
    assert classLoader != null;
    String path = packageName.replace('.', '/');
    Enumeration<URL> resources = classLoader.getResources(path);
    List<File> dirs = new ArrayList<File>();
    while (resources.hasMoreElements()) {
        URL resource = resources.nextElement();
        dirs.add(new File(resource.getFile()));
    }
    ArrayList<Class> classes = new ArrayList<Class>();
    for (File directory : dirs) {
        classes.addAll(findClasses(directory, packageName));
    }
    return classes.toArray(new Class[classes.size()]);
}

---

From source file:com.littcore.io.util.ZipUtils.java

public static void unzip(File srcZipFile, File targetFilePath, boolean isDelSrcFile) throws IOException {
    if (!targetFilePath.exists()) //?
        targetFilePath.mkdirs();//from  w w  w.ja va2 s  . co  m
    ZipFile zipFile = new ZipFile(srcZipFile);

    Enumeration fileList = zipFile.getEntries();
    ZipEntry zipEntry = null;
    while (fileList.hasMoreElements()) {
        zipEntry = (ZipEntry) fileList.nextElement();
        if (zipEntry.isDirectory()) //?
        {
            File subFile = new File(targetFilePath, zipEntry.getName());
            if (!subFile.exists()) //??
                subFile.mkdir();
            continue;
        } else //?
        {
            File targetFile = new File(targetFilePath, zipEntry.getName());
            if (logger.isDebugEnabled()) {
                logger.debug("" + targetFile.getName());
            }

            if (!targetFile.exists()) {
                File parentPath = new File(targetFile.getParent());
                if (!parentPath.exists()) //????????
                    parentPath.mkdirs();
                //targetFile.createNewFile();
            }

            InputStream in = zipFile.getInputStream(zipEntry);
            FileOutputStream out = new FileOutputStream(targetFile);
            int len;
            byte[] buf = new byte[BUFFERED_SIZE];
            while ((len = in.read(buf)) != -1) {
                out.write(buf, 0, len);
            }
            out.close();
            in.close();
        }
    }
    zipFile.close();
    if (isDelSrcFile) {
        boolean isDeleted = srcZipFile.delete();
        if (isDeleted) {
            if (logger.isDebugEnabled()) {
                logger.debug("");
            }
        }
    }
}

---

From source file:com.isomorphic.maven.util.ArchiveUtils.java

/**
 * Unzips the <code>source</code> file to the <code>target</code> directory.
 * /*from  w w  w.  ja  v a2  s  . c  om*/
 * @param source The file to be unzipped
 * @param target The directory to which the source file should be unzipped
 * @throws IOException
 */
public static void unzip(File source, File target) throws IOException {

    ZipFile zip = new ZipFile(source);
    Enumeration<? extends ZipEntry> entries = zip.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        File file = new File(target, entry.getName());
        FileUtils.copyInputStreamToFile(zip.getInputStream(entry), file);
    }
}

---

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