Example usage for java.util ArrayList toArray

Introduction

In this page you can find the example usage for java.util ArrayList toArray.

Prototype

@SuppressWarnings("unchecked")
public <T> T[] toArray(T[] a) 

Source Link

Document

Returns an array containing all of the elements in this list in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.

Usage

From source file:com.palantir.atlasdb.keyvalue.impl.partition.FailableKeyValueServices.java

public static DynamicPartitionMap createInMemoryMap(Collection<? extends KeyValueService> services,
        QuorumParameters parameters) {/*from  ww  w.j av a 2s. co  m*/
    ArrayList<Byte> keyList = new ArrayList<>();
    NavigableMap<byte[], KeyValueEndpoint> ring = Maps.newTreeMap(UnsignedBytes.lexicographicalComparator());
    keyList.add((byte) 0);
    for (KeyValueService kvs : services) {
        KeyValueEndpoint endpoint = InMemoryKeyValueEndpoint.create(kvs,
                InMemoryPartitionMapService.createEmpty());
        byte[] key = ArrayUtils.toPrimitive(keyList.toArray(new Byte[keyList.size()]));
        ring.put(key, endpoint);
        keyList.add((byte) 0);
    }
    DynamicPartitionMap partitionMap = DynamicPartitionMapImpl.create(parameters, ring,
            PTExecutors.newCachedThreadPool());
    for (KeyValueEndpoint endpoint : ring.values()) {
        endpoint.partitionMapService().updateMap(partitionMap);
    }
    return partitionMap;
}

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From source file:Main.java

/**
 * Compare two dumps and get a list of all indices where
 * they differ from each other./*from  ww w  .  ja  v  a  2  s.c om*/
 * @param dump1 The first dump. The sector number is key and the
 * string array represents the blocks.
 * @param dump2 The second dump. The sector number is key and the
 * string array represents the blocks.
 * @return Indices where the two dumps differ. The key represents
 * the sector number. The first dimension of the value represents the
 * block number and the second is a list of indices where dump2 is
 * different from dump1. If the value is Integer[0][0] then the sector
 * exists only in dump1. If the value is Integer[1][0] then the sector
 * exists only in dump2.
 */
public static SparseArray<Integer[][]> diffIndices(SparseArray<String[]> dump1, SparseArray<String[]> dump2) {
    SparseArray<Integer[][]> ret = new SparseArray<Integer[][]>();
    // Walk through all sectors of dump1.
    for (int i = 0; i < dump1.size(); i++) {
        String[] sector1 = dump1.valueAt(i);
        int sectorNr = dump1.keyAt(i);
        String[] sector2 = dump2.get(sectorNr);

        // Check if dump2 has the current sector of dump1.
        if (sector2 == null) {
            ret.put(sectorNr, new Integer[0][0]);
            continue;
        }

        // Check the blocks.
        Integer[][] diffSector = new Integer[sector1.length][];
        // Walk through all blocks.
        for (int j = 0; j < sector1.length; j++) {
            ArrayList<Integer> diffIndices = new ArrayList<Integer>();
            // Walk through all symbols.
            for (int k = 0; k < sector1[j].length(); k++) {
                if (sector1[j].charAt(k) != sector2[j].charAt(k)) {
                    // Found different symbol at index k.
                    diffIndices.add(k);
                }
            }
            if (diffIndices.size() == 0) {
                // Block was identical.
                diffSector[j] = new Integer[0];
            } else {
                diffSector[j] = diffIndices.toArray(new Integer[diffIndices.size()]);
            }
        }
        ret.put(sectorNr, diffSector);
    }

    // Are there sectors that occur only in dump2?
    for (int i = 0; i < dump2.size(); i++) {
        int sectorNr = dump2.keyAt(i);
        if (dump1.get(sectorNr) == null) {
            // Sector only exists in dump2.
            ret.put(sectorNr, new Integer[1][0]);
        }
    }

    return ret;
}

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From source file:de.arago.portlet.util.UserContainer.java

public static String[] getUserGroups(String userId) {
    if (userId == null || userId.isEmpty())
        return new String[0];
    ArrayList<String> result = new ArrayList<String>();

    try {//from  w ww  .  ja v  a  2s. co  m
        List<UserGroup> groups = UserGroupLocalServiceUtil.getUserUserGroups(Long.valueOf(userId, 10));
        for (UserGroup g : groups) {
            result.add(g.getName());
        }
    } catch (Exception ex) {
        Logger.getLogger(SecurityHelper.class.getName()).log(Level.SEVERE, null, ex);
    }
    return result.toArray(new String[0]);
}

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From source file:org.prx.playerhater.util.PlaylistParser.java

private static Uri[] parsePls(Uri uri) {
    try {//from  ww w  .  ja  v a  2 s.  com
        HttpClient httpclient = new DefaultHttpClient();
        HttpResponse response = httpclient.execute(new HttpGet(uri.toString()));
        HttpEntity entity = response.getEntity();
        InputStream inputStream = entity.getContent();
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
        String header = reader.readLine();
        if (header.trim().equalsIgnoreCase("[playlist]")) {
            String line;
            ArrayList<Uri> uriList = new ArrayList<Uri>();
            do {
                line = reader.readLine();
                if (line != null) {
                    if (line.startsWith("File")) {
                        String fileName = line.substring(line.indexOf("=") + 1).trim();
                        uriList.add(Uri.parse(fileName));
                    }
                }
            } while (line != null);
            if (uriList.size() > 0) {
                Uri[] res = new Uri[uriList.size()];
                return uriList.toArray(res);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return new Uri[] { uri };
}

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From source file:de.kapsi.net.daap.DaapHeaderConstructor.java

/**
 * Creates a new Chunk Header/*from ww w. j  av a  2s .  c o  m*/
 *
 * @param request
 * @param contentLength
 * @return
 */
public static byte[] createChunkHeader(DaapRequest request, int contentLength) {

    try {

        DaapConnection connection = request.getConnection();
        String serverName = connection.getServer().getConfig().getServerName();

        ArrayList headers = new ArrayList();
        headers.add(new Header("Date", DaapUtil.now()));
        headers.add(new Header("DAAP-Server", serverName));
        headers.add(new Header("Content-Type", "application/x-dmap-tagged"));
        headers.add(new Header("Content-Length", Integer.toString(contentLength)));

        if (DaapUtil.COMPRESS) {
            headers.add(new Header("Content-Encoding", "gzip"));
        }

        return toByteArray(HTTP_OK, (Header[]) headers.toArray(new Header[0]));

    } catch (UnsupportedEncodingException err) {
        // Should never happen
        throw new RuntimeException(err);

    } catch (IOException err) {
        // Should never happen
        throw new RuntimeException(err);
    }
}

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From source file:de.zib.gndms.gritserv.delegation.DelegationAux.java

public static void addDelegationEPR(ContextT con, EndpointReferenceType epr)
        throws IOException, SerializationException {

    ContextTEntry[] entries = con.getEntry();
    ArrayList<ContextTEntry> al;
    if (entries != null) {
        al = new ArrayList<ContextTEntry>(entries.length + 1);
        for (ContextTEntry e : entries)
            al.add(e);/* ww w.j a  v  a  2s.c o  m*/
    } else
        al = new ArrayList<ContextTEntry>(1);

    ContextTEntry ct = new ContextTEntry();

    ct.set_value(encodeDelegationEPR(epr));
    ct.setKey(new Token(DELEGATION_EPR_KEY));
    al.add(ct);

    con.setEntry(al.toArray(new ContextTEntry[al.size()]));
}

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From source file:com.hihframework.core.utils.BeanUtils.java

public static Object[] getArgs(Object obj, String... excludes) {
    ArrayList<Object> args = new ArrayList<Object>();
    String[] fieldsName = ReflectUtil.getAllFieldsName(obj);
    for (String fieldName : fieldsName) {
        Object value = ReflectUtil.getFieldValue(obj, fieldName);
        if (fieldName.equals("id"))
            continue;
        for (String exclude : excludes) {
            if (fieldName.equals(exclude))
                continue;
        }//from  ww  w .  ja v  a2 s .c om
        if (value != null) {
            args.add(value);
        }
    }
    return args.toArray(new Object[args.size()]);
}

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From source file:com.erudika.para.utils.ValidationUtils.java

/**
 * Validates objects using Hibernate Validator.
 * @param content an object to be validated
 * @return a list of error messages or empty if object is valid
 *//*from  w ww . java  2  s . c  o m*/
public static String[] validateObject(ParaObject content) {
    if (content == null) {
        return new String[] { "Object cannot be null." };
    }
    ArrayList<String> list = new ArrayList<String>();
    try {
        for (ConstraintViolation<ParaObject> constraintViolation : getValidator().validate(content)) {
            String prop = "'".concat(constraintViolation.getPropertyPath().toString()).concat("'");
            list.add(prop.concat(" ").concat(constraintViolation.getMessage()));
        }
    } catch (Exception e) {
        logger.error(null, e);
    }
    return list.toArray(new String[] {});
}

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From source file:com.qtplaf.library.util.StringUtils.java

/**
 * Parse a comma separated list of strings "S1, S2, S3".
 *
 * @param string The string to be tokenized.
 * @return the array of tokens./*from w w  w  . ja  va 2 s  .  c  o m*/
 */
public static String[] parseCommaSeparatedStrings(String string) {
    StringTokenizer tokenizer = new StringTokenizer(string, ",");
    ArrayList<String> list = new ArrayList<>();
    while (tokenizer.hasMoreTokens()) {
        list.add(tokenizer.nextToken().trim());
    }
    return list.toArray(new String[list.size()]);
}

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From source file:com.qtplaf.library.util.StringUtils.java

/**
 * Parse a string/*from   w w  w . j ava  2  s  .co  m*/
 * 
 * @param string The string to parse.
 * @param separator The separator.
 * @return the array of tokens
 */
public static String[] parse(String string, String separator) {
    StringTokenizer tokenizer = new StringTokenizer(string, separator);
    ArrayList<String> list = new ArrayList<>();
    while (tokenizer.hasMoreTokens()) {
        list.add(tokenizer.nextToken().trim());
    }
    return list.toArray(new String[list.size()]);
}

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