Example usage for org.apache.commons.collections IteratorUtils arrayIterator

Introduction

In this page you can find the example usage for org.apache.commons.collections IteratorUtils arrayIterator.

Prototype

public static ResettableIterator arrayIterator(Object array) 

Source Link

Document

Gets an iterator over an object or primitive array.

Usage

From source file:com.github.liyp.test.TestMain.java

@SuppressWarnings("unchecked")
public static void main(String[] args) {
    // add a shutdown hook to stop the server
    Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
        @Override/*w  w w .  jav a2  s . co m*/
        public void run() {
            System.out.println("########### shoutdown begin....");
            try {
                Thread.sleep(10000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println("########### shoutdown end....");
        }
    }));

    System.out.println(args.length);
    Iterator<String> iterator1 = IteratorUtils
            .arrayIterator(new String[] { "one", "two", "three", "11", "22", "AB" });
    Iterator<String> iterator2 = IteratorUtils.arrayIterator(new String[] { "a", "b", "c", "33", "ab", "aB" });

    Iterator<String> chainedIter = IteratorUtils.chainedIterator(iterator1, iterator2);

    System.out.println("==================");

    Iterator<String> iter = IteratorUtils.filteredIterator(chainedIter, new Predicate() {
        @Override
        public boolean evaluate(Object arg0) {
            System.out.println("xx:" + arg0.toString());
            String str = (String) arg0;
            return str.matches("([a-z]|[A-Z]){2}");
        }
    });
    while (iter.hasNext()) {
        System.out.println(iter.next());
    }

    System.out.println("===================");

    System.out.println("asas".matches("[a-z]{4}"));

    System.out.println("Y".equals(null));

    System.out.println(String.format("%02d", 1000L));

    System.out.println(ArrayUtils.toString(splitAndTrim(" 11, 21,12 ,", ",")));

    System.out.println(new ArrayList<String>().toString());

    JSONObject json = new JSONObject("{\"keynull\":null}");
    json.put("bool", false);
    json.put("keya", "as");
    json.put("key2", 2212222222222222222L);
    System.out.println(json);
    System.out.println(json.get("keynull").equals(null));

    String a = String.format("{\"id\":%d,\"method\":\"testCrossSync\"," + "\"circle\":%d},\"isEnd\":true", 1,
            1);
    System.out.println(a.getBytes().length);

    System.out.println(new String[] { "a", "b" });

    System.out.println(new JSONArray("[\"aa\",\"\"]"));

    String data = String.format("%9d %s", 1, RandomStringUtils.randomAlphanumeric(10));
    System.out.println(data.getBytes().length);

    System.out.println(ArrayUtils.toString("1|2| 3|  333||| 3".split("\\|")));

    JSONObject j1 = new JSONObject("{\"a\":\"11111\"}");
    JSONObject j2 = new JSONObject(j1.toString());
    j2.put("b", "22222");
    System.out.println(j1 + " | " + j2);

    System.out.println("======================");

    String regex = "\\d+(\\-\\d+){2} \\d+(:\\d+){2}";
    Pattern pattern = Pattern.compile(regex);
    Matcher matcher = pattern.matcher("2015-12-28 15:46:14  _NC250_MD:motion de\n");
    String eventDate = matcher.find() ? matcher.group() : "";

    System.out.println(eventDate);
}

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From source file:info.magnolia.cms.util.Rule.java

/**
 * get a string representation of this rule
 * @return string representation// ww w.j  a v a  2 s. co  m
 */
public String toString() {
    StringBuffer buffer = new StringBuffer();
    Iterator typeIterator = IteratorUtils.arrayIterator(allowedTypes);
    while (typeIterator.hasNext()) {
        buffer.append((String) typeIterator.next());
        buffer.append(",");
    }
    return new String(buffer);
}

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From source file:gr.omadak.leviathan.asp.AspParser.java

public void parseDir(File sdir, boolean vbDefault) {
    FileFilter filter = new FileFilter() {
        public boolean accept(File f) {
            boolean result = f.isDirectory();
            if (!result) {
                String name = f.getName();
                int lastDot = name.lastIndexOf('.');
                result = lastDot > 0 && "asp".equalsIgnoreCase(name.substring(lastDot + 1));
            }/*from  w  ww . j  a  va2 s .  co  m*/
            return result;
        }
    };
    Stack stack = new Stack();
    stack.push(sdir);
    while (!stack.isEmpty()) {
        File dir = (File) stack.pop();
        for (Iterator it = IteratorUtils.arrayIterator(dir.listFiles(filter)); it.hasNext();) {
            File f = (File) it.next();
            if (f.isDirectory()) {
                stack.push(f);
            } else {
                try {
                    parseFile(f, vbDefault);
                } catch (ANTLRException ae) {
                    LOG.error("Failed to parse file:" + f.getAbsolutePath(), ae);
                } catch (Exception ex) {
                    LOG.error("Failed to parse file:" + f.getAbsolutePath() + " with error", ex);
                }
            }
        }
    }
}

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From source file:org.apache.cayenne.access.trans.QualifierTranslator.java

private final void appendList(Expression listExpr, DbAttribute paramDesc) throws IOException {
    Iterator<?> it = null;// w  w w.ja  v a 2 s.c o  m
    Object list = listExpr.getOperand(0);
    if (list instanceof List) {
        it = ((List<?>) list).iterator();
    } else if (list instanceof Object[]) {
        it = IteratorUtils.arrayIterator((Object[]) list);
    } else {
        String className = (list != null) ? list.getClass().getName() : "<null>";
        throw new IllegalArgumentException("Unsupported type for the list expressions: " + className);
    }

    // process first element outside the loop
    // (unroll loop to avoid condition checking
    if (it.hasNext())
        appendLiteral(it.next(), paramDesc, listExpr);
    else
        return;

    while (it.hasNext()) {
        out.append(", ");
        appendLiteral(it.next(), paramDesc, listExpr);
    }
}

---

From source file:org.apache.cayenne.access.translator.select.QualifierTranslator.java

private final void appendList(Expression listExpr, DbAttribute paramDesc) throws IOException {
    Iterator<?> it;/*from  w  w w.j  a  va 2 s.c o  m*/
    Object list = listExpr.getOperand(0);
    if (list instanceof List) {
        it = ((List<?>) list).iterator();
    } else if (list instanceof Object[]) {
        it = IteratorUtils.arrayIterator((Object[]) list);
    } else {
        String className = (list != null) ? list.getClass().getName() : "<null>";
        throw new IllegalArgumentException("Unsupported type for the list expressions: " + className);
    }

    // process first element outside the loop
    // (unroll loop to avoid condition checking
    if (it.hasNext()) {
        appendLiteral(it.next(), paramDesc, listExpr);
    } else {
        return;
    }

    while (it.hasNext()) {
        out.append(", ");
        appendLiteral(it.next(), paramDesc, listExpr);
    }
}

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From source file:org.apache.cayenne.query.SQLTemplate.java

/**
 * Returns an iterator over parameter sets. Each element returned from the
 * iterator is a java.util.Map.//w w  w.j  av a2s  . co  m
 */
@SuppressWarnings("unchecked")
public Iterator<Map<String, ?>> parametersIterator() {
    return (parameters == null || parameters.length == 0) ? IteratorUtils.emptyIterator()
            : IteratorUtils.transformedIterator(IteratorUtils.arrayIterator(parameters), nullMapTransformer);
}

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From source file:org.dspace.checker.HandleDispatcher.java

/**
 * Private initialization routine./*ww  w.jav a  2s  .c  o m*/
 * 
 * @throws SQLException
 *             if database access fails.
 */
private synchronized void init() throws SQLException {
    if (!init) {
        DSpaceObject dso = handleService.resolveToObject(context, handle);

        Iterator<Bitstream> bitstreams = null;

        switch (dso.getType()) {
        case Constants.BITSTREAM:
            bitstreams = IteratorUtils.arrayIterator(dso);
            break;

        case Constants.ITEM:
            bitstreams = bitstreamService.findAllInItem(context, (org.dspace.content.Item) dso);
            break;

        case Constants.COLLECTION:
            bitstreams = bitstreamService.findAllInCollection(context, (org.dspace.content.Collection) dso);
            break;

        case Constants.COMMUNITY:
            bitstreams = bitstreamService.findAllInCommunity(context, (org.dspace.content.Community) dso);
            break;
        }

        delegate = new IteratorDispatcher(bitstreams);
        init = true;
    }
}

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From source file:org.mule.routing.EventGroup.java

/**
 * Returns an iterator over a snapshot copy of this group's collected events.,
 * optionally sorted by arrival order.  If
 * you need to iterate over the group and e.g. remove select events, do so via
 * {@link #removeEvent(MuleEvent)}. If you need to do so atomically in order to
 * prevent e.g. concurrent reception/aggregation of the group during iteration,
 * wrap the iteration in a synchronized block on the group instance.
 *
 * @return an iterator over collected {@link MuleEvent}s.
 * @throws ObjectStoreException//from   w w w .  jav a  2 s. co  m
 */
@SuppressWarnings("unchecked")
public Iterator<MuleEvent> iterator(boolean sortByArrival) throws ObjectStoreException {
    synchronized (events) {
        if (events.allKeys().isEmpty()) {
            return IteratorUtils.emptyIterator();
        } else {
            return IteratorUtils.arrayIterator(this.toArray(sortByArrival));
        }
    }
}

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From source file:org.mule.transport.jms.JmsMessageUtilsTestCase.java

@Test
public void testMapMessageWithNullValue() throws Exception {
    String[] keys = new String[] { "key", "null" };
    Iterator<String> keyIterator = IteratorUtils.arrayIterator(keys);
    Enumeration<String> keyEnumeration = new IteratorEnumeration(keyIterator);

    MapMessage mockMessage1 = mock(MapMessage.class);
    when(mockMessage1.getMapNames()).thenReturn(keyEnumeration);
    when(mockMessage1.getObject("key")).thenReturn("value");
    when(mockMessage1.getObject("null")).thenReturn(null);

    Object result = JmsMessageUtils.toObject(mockMessage1, JmsConstants.JMS_SPECIFICATION_11, ENCODING);
    assertNotNull(result);//ww  w. j av a2  s . c o m
    assertTrue(result instanceof Map);
    Map map = (Map) result;
    assertEquals("value", map.get("key"));
    assertNull(map.get("null"));
}

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From source file:org.mule.transport.jms.JmsMuleMessageFactoryTestCase.java

@Override
protected Object getValidTransportMessage() throws Exception {
    TextMessage textMessage = mock(TextMessage.class);
    when(textMessage.getText()).thenReturn(MESSAGE_TEXT);
    when(textMessage.getJMSCorrelationID()).thenReturn(null);
    when(textMessage.getJMSDeliveryMode()).thenReturn(Integer.valueOf(1));
    when(textMessage.getJMSDestination()).thenReturn(null);
    when(textMessage.getJMSExpiration()).thenReturn(Long.valueOf(0));
    when(textMessage.getJMSMessageID()).thenReturn("1234567890");
    when(textMessage.getJMSPriority()).thenReturn(Integer.valueOf(4));
    when(textMessage.getJMSRedelivered()).thenReturn(Boolean.FALSE);
    when(textMessage.getJMSReplyTo()).thenReturn(null);
    when(textMessage.getJMSTimestamp()).thenReturn(Long.valueOf(0));
    when(textMessage.getJMSType()).thenReturn(null);
    when(textMessage.getPropertyNames())
            .thenReturn(IteratorUtils.asEnumeration(IteratorUtils.arrayIterator(new Object[] { "foo" })));
    when(textMessage.getObjectProperty("foo")).thenReturn("bar");
    return textMessage;
}

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