Example usage for java.util List iterator

Introduction

In this page you can find the example usage for java.util List iterator.

Prototype

Iterator<E> iterator();

Source Link

Document

Returns an iterator over the elements in this list in proper sequence.

Usage

From source file:com.tacitknowledge.util.discovery.ClasspathUtils.java

/**
 * Returns the classpath as a list of directories.  Any classpath component
 * that is not a directory will be ignored. 
 * /*  w  ww.  j a  v a  2  s .  co m*/
 * @return the classpath as a list of directories; if no directories can
 *         be found then an empty list will be returned
 */
public static List getClasspathDirectories() {
    List directories = new ArrayList();
    List components = getClasspathComponents();
    for (Iterator i = components.iterator(); i.hasNext();) {
        String possibleDir = (String) i.next();
        File file = new File(possibleDir);
        if (file.isDirectory()) {
            directories.add(possibleDir);
        }
    }
    List tomcatPaths = getTomcatPaths();
    if (tomcatPaths != null) {
        directories.addAll(tomcatPaths);
    }
    return directories;
}

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From source file:dataMappers.PictureDataMapper.java

public static void addPictureToReport(DBConnector dbconnector, HttpServletRequest request)
        throws FileUploadException, IOException, SQLException {

    if (!ServletFileUpload.isMultipartContent(request)) {
        System.out.println("Invalid upload request");
        return;/*from  w  w  w  . j ava2 s.  co  m*/
    }

    // Define limits for disk item
    DiskFileItemFactory factory = new DiskFileItemFactory();
    factory.setSizeThreshold(THRESHOLD_SIZE);

    // Define limit for servlet upload
    ServletFileUpload upload = new ServletFileUpload(factory);
    upload.setFileSizeMax(MAX_FILE_SIZE);
    upload.setSizeMax(MAX_REQUEST_SIZE);

    FileItem itemFile = null;
    int reportID = 0;

    // Get list of items in request (parameters, files etc.)
    List formItems = upload.parseRequest(request);
    Iterator iter = formItems.iterator();

    // Loop items
    while (iter.hasNext()) {
        FileItem item = (FileItem) iter.next();

        if (!item.isFormField()) {
            itemFile = item; // If not form field, must be item
        } else if (item.getFieldName().equalsIgnoreCase("reportID")) { // else it is a form field
            try {
                System.out.println(item.getString());
                reportID = Integer.parseInt(item.getString());
            } catch (NumberFormatException e) {
                reportID = 0;
            }
        }
    }

    // This will be null if no fields were declared as image/upload.
    // Also, reportID must be > 0
    if (itemFile != null || reportID == 0) {

        try {

            // Create credentials from final vars
            BasicAWSCredentials awsCredentials = new BasicAWSCredentials(AMAZON_ACCESS_KEY, AMAZON_SECRET_KEY);

            // Create client with credentials
            AmazonS3 s3client = new AmazonS3Client(awsCredentials);
            // Set region
            s3client.setRegion(Region.getRegion(Regions.EU_WEST_1));

            // Set content length (size) of file
            ObjectMetadata om = new ObjectMetadata();
            om.setContentLength(itemFile.getSize());

            // Get extension for file
            String ext = FilenameUtils.getExtension(itemFile.getName());
            // Generate random filename
            String keyName = UUID.randomUUID().toString() + '.' + ext;

            // This is the actual upload command
            s3client.putObject(new PutObjectRequest(S3_BUCKET_NAME, keyName, itemFile.getInputStream(), om));

            // Picture was uploaded to S3 if we made it this far. Now we insert the row into the database for the report.
            PreparedStatement stmt = dbconnector.getCon()
                    .prepareStatement("INSERT INTO reports_pictures" + "(REPORTID, PICTURE) VALUES (?,?)");

            stmt.setInt(1, reportID);
            stmt.setString(2, keyName);

            stmt.executeUpdate();

            stmt.close();

        } catch (AmazonServiceException ase) {

            System.out.println("Caught an AmazonServiceException, which " + "means your request made it "
                    + "to Amazon S3, but was rejected with an error response" + " for some reason.");
            System.out.println("Error Message:    " + ase.getMessage());
            System.out.println("HTTP Status Code: " + ase.getStatusCode());
            System.out.println("AWS Error Code:   " + ase.getErrorCode());
            System.out.println("Error Type:       " + ase.getErrorType());
            System.out.println("Request ID:       " + ase.getRequestId());

        } catch (AmazonClientException ace) {

            System.out.println("Caught an AmazonClientException, which " + "means the client encountered "
                    + "an internal error while trying to " + "communicate with S3, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message: " + ace.getMessage());

        }

    }
}

---

From source file:Main.java

/**
 * /*  www .j a v  a  2  s  .  c  o  m*/
 * @param collection
 * @return double[][]
 */
public static double[][] to2dDoubleArray(final List<double[]> collection) {
    final double[][] array = new double[collection.size()][];
    int i = 0;

    for (Iterator<double[]> iterator = collection.iterator(); iterator.hasNext();) {
        array[i++] = iterator.next();
    }

    return array;
}

---

From source file:edu.cornell.mannlib.vitro.webapp.utils.jena.JenaOutputUtils.java

public static void setNameSpacePrefixes(Model model, WebappDaoFactory wadf) {

    if (model == null) {
        log.warn("input model is null");
        return;//w w  w .  j a  va 2  s .  c om
    }

    Map<String, String> prefixes = new HashMap<String, String>();
    List<Ontology> ontologies = wadf.getOntologyDao().getAllOntologies();
    // apparently this is null if empty
    if (ontologies == null) {
        return;
    }
    Iterator<Ontology> iter = ontologies.iterator();
    String namespace = null;
    String prefix = null;

    prefixes.put("vitro", "http://vitro.mannlib.cornell.edu/ns/vitro/0.7#");
    while (iter.hasNext()) {
        Ontology ontology = iter.next();

        namespace = ontology.getURI(); // this method returns the namespace
        if (namespace == null || namespace.isEmpty()) {
            log.warn("ontology with empty namespace found");
            continue;
        }

        prefix = ontology.getPrefix();
        if (prefix == null || prefix.isEmpty()) {
            log.debug("no prefix found for namespace: " + namespace);
            continue;
        }

        prefixes.put(prefix, namespace);
    }

    model.setNsPrefixes(prefixes);
    return;
}

---

From source file:Main.java

public static Iterator pairs(Collection l) {
    List x = new LinkedList();
    Object prev = null;/*from w w  w .  ja v  a2s .  c om*/
    for (Iterator i = l.iterator(); i.hasNext();) {
        Object curr = i.next();
        if (prev != null)
            x.add(new Object[] { prev, curr });
        prev = curr;
    }
    return x.iterator();
}

---

From source file:com.amalto.core.initdb.InitDBUtil.java

private static void updateDB(String resourcePath, Map<String, List<String>> initdb) {
    for (Entry<String, List<String>> entry : initdb.entrySet()) {
        String dataCluster = entry.getKey();
        try {//from  w  ww  .j  a v a  2 s  .  co m
            ConfigurationHelper.createCluster(dataCluster);// slow but more reliable
        } catch (Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Could not create cluster.", e); //$NON-NLS-1$
            }
        }
        List<String> list = entry.getValue();
        // create items
        Iterator<String> iterator = list.iterator();
        while (iterator.hasNext()) {
            String item = iterator.next();
            try {
                InputStream in = InitDBUtil.class.getResourceAsStream(resourcePath + "/" + item); //$NON-NLS-1$
                String xmlString = IOUtils.toString(in, "UTF-8"); //$NON-NLS-1$
                String uniqueID = item;
                int pos = item.lastIndexOf('/');
                if (pos != -1) {
                    uniqueID = item.substring(pos + 1);
                }
                uniqueID = uniqueID.replaceAll("\\+", " "); //$NON-NLS-1$ //$NON-NLS-2$
                if (Boolean.valueOf((String) MDMConfiguration.getConfiguration().get("cluster_override"))) { //$NON-NLS-1$
                    ConfigurationHelper.deleteDocument(dataCluster, uniqueID);
                }
                ConfigurationHelper.putDocument(dataCluster, xmlString, uniqueID);
            } catch (Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Could not delete document.", e); //$NON-NLS-1$
                }
            } finally {
                iterator.remove();
            }
        }
    }
}

---

From source file:ebay.dts.client.BulkDataExchangeCall.java

public static Map insertHttpsHeadersMap(String name, Map<String, List<String>> maplist) {
    StringBuilder builder = new StringBuilder();
    builder.append("=== " + name + "\n");
    Map headers = new HashMap<String, Object>();
    Iterator headerIter = null;//from  w  ww  .j  a v  a2s. c o  m
    if (maplist != null) {
        maplist.entrySet();
        headerIter = maplist.keySet().iterator();
        while (headerIter.hasNext()) {
            String key = (String) headerIter.next();
            builder.append("Key: " + key);
            List l = (List<String>) maplist.get(key);
            Iterator iter = l.iterator();
            String value = null;
            while (iter.hasNext()) {
                value = (String) iter.next();
                builder.append("; Value: " + value + "\n");
            }
            headers.put(key, value);
        }
    }
    logger.debug(builder.toString());
    return headers;
}

---

From source file:Main.java

public static void removeDuplicateWithOrder(List<ResolveInfo> list) {

    if (list == null) {

        return;//from  w w w . j  ava 2 s.co m

    }

    Set<String> set = new HashSet<String>();

    List<ResolveInfo> newList = new ArrayList<ResolveInfo>();

    for (Iterator<ResolveInfo> iter = list.iterator(); iter.hasNext();) {

        ResolveInfo info = (ResolveInfo) iter.next();

        if (set.add(info.activityInfo.packageName)) {

            newList.add(info);

        }
    }

    list.clear();

    list.addAll(newList);

}

---

From source file:Statistics.java

public static int[] mode(final int[] list) throws IllegalArgumentException {
    if (list.length == 0) {
        throw new IllegalArgumentException(LOG_ARRAY_LENGTH_0);
    }//from   w w w  .  ja v  a2  s.co m

    final ModeCompute<Integer> modeComp = new ModeCompute<Integer>();
    for (int i = 0; i < list.length; i++) {
        modeComp.add(list[i]);
    }

    final List<Integer> l = modeComp.getMode();

    // Prepare the output array:
    final int[] out = new int[l.size()];
    Iterator<Integer> itr = l.iterator();
    for (int i = 0; i < out.length; i++) {
        out[i] = itr.next();
    }

    return out;
}

---

From source file:com.impetus.kvapps.runner.ExecutorService.java

private static void printTweets(List<User> users) {
    for (Iterator<User> iterator = users.iterator(); iterator.hasNext();) {
        User user = (User) iterator.next();
        Iterator<Tweets> tweets = users.get(0).getTweets().iterator();

        int counter = 1;
        while (tweets.hasNext()) {
            logger.info("\n");
            logger.info("\t\t Tweet No:#" + counter++);
            Tweets rec = tweets.next();// w  w  w  . jav a  2 s  .c o m
            logger.info("\t\t tweet is ->" + rec.getBody());
            logger.info("\t\t Tweeted at ->" + rec.getTweetDate());

            if (rec.getVideos() != null) {
                logger.info("\t\t Tweeted Contains Video ->" + rec.getVideos().size());

                for (Iterator iteratorVideo = rec.getVideos().iterator(); iteratorVideo.hasNext();) {
                    Video video = (Video) iteratorVideo.next();
                    logger.info(video);
                }
            }

        }
    }

}

---

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