Example usage for java.util Iterator hasNext

Introduction

In this page you can find the example usage for java.util Iterator hasNext.

Prototype

boolean hasNext();

Source Link

Document

Returns true if the iteration has more elements.

Usage

From source file:Main.java

public static Optional<Characters> getCharacterEventOfElement(List<XMLEvent> events, String elementName) {
    Iterator<XMLEvent> iterator = events.iterator();

    while (iterator.hasNext()) {
        XMLEvent event = iterator.next();

        if (event.isStartElement() && event.asStartElement().getName().getLocalPart().equals(elementName)) {
            XMLEvent nextEvent = iterator.next();
            if (nextEvent.isCharacters())
                return Optional.of(nextEvent.asCharacters());
        }//ww  w .j a  va  2  s.c  o m

    }

    return Optional.empty();
}

From source file:Main.java

/**
 * Returns the string that represents the content of a given style map.
 * @param styleMap Map with the styles values
 * @return string that represents the style.
 *///from   w ww  . jav a 2s  . co m
public static String getStyleString(Map<String, Object> styleMap, String asig) {
    String style = "";
    Iterator<Object> it = styleMap.values().iterator();
    Iterator<String> kit = styleMap.keySet().iterator();

    while (kit.hasNext()) {
        String key = kit.next();
        Object value = it.next();
        style = style + key + asig + value + ";";
    }
    return style;
}

From source file:Main.java

public static List getListFromIterator(Iterator thisIterator) {
    List listOfStuff = new ArrayList();
    while (thisIterator.hasNext()) {
        listOfStuff.add(thisIterator.next());
    }//w w  w.j av a 2 s.c o  m

    return listOfStuff;
}

From source file:Main.java

/**
 * Returns true if there is any element that is common to both collections.
 *//*www.  ja  v a2  s. co m*/
public static boolean containsAny(Collection c1, Collection c2) {
    // A better implementation here would be to use sets
    Collection smallCollection;
    Collection largeCollection;
    if (c1.size() < c2.size()) {
        smallCollection = c1;
        largeCollection = c2;
    } else {
        smallCollection = c2;
        largeCollection = c1;
    }
    boolean intersect = false;
    Iterator i = smallCollection.iterator();
    while (i.hasNext()) {
        if (largeCollection.contains(i.next())) {
            intersect = true;
            break;
        }
    }
    return intersect;
}

From source file:Main.java

public static String convert2XML(Map<String, String> params) {
    StringBuffer sb = new StringBuffer("<xml>");
    try {// w  w  w  .  j  a v a 2 s.  co m
        Iterator it = params.entrySet().iterator();
        while (it.hasNext()) {
            Entry entry = (Entry) it.next();
            sb.append("<" + entry.getKey() + ">");
            // sb.append("<![CDATA[" + entry.getValue() + "]]");
            sb.append(entry.getValue());
            sb.append("</" + entry.getKey() + ">");
        }
        sb.append("</xml>");

    } catch (Exception e) {
        e.printStackTrace();
    }
    return sb.toString();
}

From source file:Main.java

public static <T> List<T> ToList2(Collection<T> values) {
    List<T> alllist = new ArrayList<T>();
    Iterator<T> iterator = values.iterator();
    T obj = null;//from w  w w  . ja va  2  s  .  com
    while (iterator.hasNext()) {
        obj = iterator.next();
        alllist.add(obj);
    }
    return alllist;
}

From source file:Main.java

/**
 * Returns all objects of given type and its subtypes
 * @param clazz The class you want to return all of the instances of.
 * @param objects The collection you'd like to search.
 * @return A List of all of the instances of a specific Class found in a Collection.
 *//*w w w  .  java2  s .  co  m*/
public static List getAllInstances(Class clazz, Collection objects) {
    List allInstances = new ArrayList();
    if (objects != null && clazz != null) {
        Iterator objectsIterator = objects.iterator();
        while (objectsIterator.hasNext()) {
            Object instance = objectsIterator.next();
            if (instance != null) {
                if (clazz.isAssignableFrom(instance.getClass())) {
                    allInstances.add(instance);
                }
            }
        }
    }
    return allInstances;
}

From source file:Main.java

/**
 * Constructs a SortedSet&lt;T> with all the elements available from i
 * @param i an iterator to pull elements from
 * @param <T> The type of the elements
 * @return a SortedSet of the elements//w  ww  .ja va  2  s  . c o  m
 */
public static <T> SortedSet<T> sortedSetFromIterator(Iterator<T> i) {
    SortedSet<T> retval = new TreeSet<T>();
    while (i.hasNext())
        retval.add(i.next());
    return retval;
}

From source file:Main.java

public static <T> T getObjInList(Class<T> clazz, Collection<T> all, String valueStr, String propName)
        throws Exception {
    if (all.isEmpty() || valueStr == null) {
        return null;
    }//from  ww w .ja  v a  2s  .c om
    T obj = null;
    Iterator<T> iter = all.iterator();
    for (; iter.hasNext();) {
        T temp = iter.next();
        Object match = null;
        if (propName == null) {
            match = temp.toString();
        } else {
            Field field = clazz.getField(propName);
            field.setAccessible(true);
            match = field.get(temp);
        }
        if (valueStr.equals(match)) {
            obj = temp;
            break;
        }
    }
    return obj;
}

From source file:Main.java

/**
 * Converts a List with org.w3c.dom.Element objects to an Array
 * with org.w3c.dom.Element objects.//from ww  w  .j av a 2  s . c  o m
 * @param list List containing org.w3c.dom.Element objects
 * @return Element[] Array with org.w3c.dom.Element objects
 */
public static Element[] asElementArray(List list) {

    Element[] elements = new Element[list.size()];

    int i = 0;
    Iterator detailIter = list.iterator();
    while (detailIter.hasNext()) {
        elements[i++] = (Element) detailIter.next();
    }

    return elements;
}