Example usage for java.util NoSuchElementException NoSuchElementException

Introduction

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

Prototype

public NoSuchElementException() 

Source Link

Document

Constructs a NoSuchElementException with null as its error message string.

Usage

From source file:Main.java

static Iterable<JavaSourceFromString> getJavaSourceFromString(String code) {
    final JavaSourceFromString jsfs = new JavaSourceFromString("code", code);
    return new Iterable<JavaSourceFromString>() {
        public Iterator<JavaSourceFromString> iterator() {
            return new Iterator<JavaSourceFromString>() {
                boolean isNext = true;

                public boolean hasNext() {
                    return isNext;
                }// ww w. ja v  a 2s . c  o m

                public JavaSourceFromString next() {
                    if (!isNext)
                        throw new NoSuchElementException();
                    isNext = false;
                    return jsfs;
                }

                public void remove() {
                    throw new UnsupportedOperationException();
                }
            };
        }
    };
}

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From source file:Main.java

private static <E extends Comparable<E>> E getSmallestNotNull(final List<? extends E> randomAccessList) {
    E result = null;/*from   w  w  w  . ja v a 2  s  .  c  o m*/
    E element = randomAccessList.get(0);

    for (int i = 1; i < randomAccessList.size(); i++) {
        element = randomAccessList.get(i);
        if (element == null) {
            continue;
        }
        if ((result == null) || (element.compareTo(result) < 0)) {
            result = element;
        }
    }

    if (result == null) {
        throw new NoSuchElementException();
    }

    return result;
}

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From source file:Main.java

private static <E extends Comparable<E>> E getGreatestNotNull(final List<? extends E> randomAccessList) {
    E result = null;//from   www. ja v  a2s.c  om
    E element = randomAccessList.get(0);

    for (int i = 1; i < randomAccessList.size(); i++) {
        element = randomAccessList.get(i);
        if (element == null) {
            continue;
        }
        if ((result == null) || (element.compareTo(result) > 0)) {
            result = element;
        }
    }

    if (result == null) {
        throw new NoSuchElementException();
    }

    return result;
}

---

From source file:CompileString.java

static Iterable<JavaSourceFromString> getJavaSourceFromString(String code) {
    final JavaSourceFromString jsfs;
    jsfs = new JavaSourceFromString("code", code);
    return new Iterable<JavaSourceFromString>() {
        public Iterator<JavaSourceFromString> iterator() {
            return new Iterator<JavaSourceFromString>() {
                boolean isNext = true;

                public boolean hasNext() {
                    return isNext;
                }/* w  w  w . ja v  a2  s.co m*/

                public JavaSourceFromString next() {
                    if (!isNext)
                        throw new NoSuchElementException();
                    isNext = false;
                    return jsfs;
                }

                public void remove() {
                    throw new UnsupportedOperationException();
                }
            };
        }
    };
}

---

From source file:IteratorUtils.java

public static Iterator oneElementUnmodifiableIterator(final Object elem) {
    return new Iterator() {
        boolean shot = false;

        public boolean hasNext() {
            return (!shot);
        }//from   ww w  .  ja v  a 2  s  .co  m

        public Object next() {
            if (shot)
                throw new NoSuchElementException();
            else {
                shot = true;
                return elem;
            }
        }

        public void remove() {
            throw new UnsupportedOperationException("remove() not supported.");
        }
    };
}

---

From source file:Main.java

public static Collection<Node> createNodeCollection(final NodeList nodeList) {
    // http://www.java2s.com/Code/Java/XML/WrapNodeListtoCollection.htm
    // Written by Tomer Gabel under the Apache License Version 2.0
    return new Collection<Node>() {
        @Override//w w  w. j  a  v  a  2  s .  c o m
        public int size() {
            return nodeList.getLength();
        }

        @Override
        public boolean isEmpty() {
            return nodeList.getLength() > 0;
        }

        @Override
        public boolean contains(final Object o) {
            if (o == null || !(o instanceof Node))
                return false;
            for (int i = 0; i < nodeList.getLength(); ++i)
                if (o == nodeList.item(i))
                    return true;
            return false;
        }

        @Override
        public Iterator<Node> iterator() {
            return new Iterator<Node>() {
                private int index = 0;

                @Override
                public boolean hasNext() {
                    return nodeList.getLength() > this.index;
                }

                @Override
                public Node next() {
                    if (this.index >= nodeList.getLength())
                        throw new NoSuchElementException();
                    return nodeList.item(this.index++);
                }

                @Override
                public void remove() {
                    throw new UnsupportedOperationException();
                }
            };
        }

        @Override
        public Object[] toArray() {
            final Node[] array = new Node[nodeList.getLength()];
            for (int i = 0; i < array.length; ++i)
                array[i] = nodeList.item(i);
            return array;
        }

        @Override
        @SuppressWarnings({ "unchecked" })
        public <T> T[] toArray(final T[] a) throws ArrayStoreException {
            if (!a.getClass().getComponentType().isAssignableFrom(Node.class))
                throw new ArrayStoreException(
                        a.getClass().getComponentType().getName() + " is not the same or a supertype of Node");

            if (a.length >= nodeList.getLength()) {
                for (int i = 0; i < nodeList.getLength(); ++i)
                    a[i] = (T) nodeList.item(i);
                if (a.length > nodeList.getLength())
                    a[nodeList.getLength()] = null;
                return a;
            }

            return (T[]) toArray();
        }

        @Override
        public boolean add(final Node node) {
            throw new UnsupportedOperationException();
        }

        @Override
        public boolean remove(final Object o) {
            throw new UnsupportedOperationException();
        }

        @Override
        public boolean containsAll(final Collection<?> c) {
            for (final Object o : c)
                if (!this.contains(o))
                    return false;
            return true;
        }

        @Override
        public boolean addAll(final Collection<? extends Node> c) {
            throw new UnsupportedOperationException();
        }

        @Override
        public boolean removeAll(final Collection<?> c) {
            throw new UnsupportedOperationException();
        }

        @Override
        public boolean retainAll(final Collection<?> c) {
            throw new UnsupportedOperationException();
        }

        @Override
        public void clear() {
            throw new UnsupportedOperationException();
        }
    };
}

---

From source file:Main.java

public static <T> Iterator<T> iteratorUnion(final Iterator<T>[] iterators) {
    return new Iterator<T>() {
        private int iteratorIndex = 0;
        private Iterator<T> current = iterators.length > 0 ? iterators[0] : null;

        public boolean hasNext() {
            for (;;) {
                if (current == null) {
                    return false;
                }/*from  w ww . j  a v  a2  s.  com*/
                if (current.hasNext()) {
                    return true;
                }
                iteratorIndex++;
                current = iteratorIndex >= iterators.length ? null : iterators[iteratorIndex];
            }
        }

        public T next() {
            for (;;) {
                if (this.current == null) {
                    throw new NoSuchElementException();
                }
                try {
                    return this.current.next();
                } catch (final NoSuchElementException nse) {
                    this.iteratorIndex++;
                    this.current = this.iteratorIndex >= iterators.length ? null
                            : iterators[this.iteratorIndex];
                }
            }
        }

        public void remove() {
            if (this.current == null) {
                throw new NoSuchElementException();
            }
            this.current.remove();
        }
    };
}

---

From source file:NullIterator.java

public Object next() {
    throw new NoSuchElementException();
}

---

From source file:Main.java

public static <T> Iterable<T> concat(final List<Iterable<? extends T>> iterables) {
    return new Iterable<T>() {
        public Iterator<T> iterator() {
            return new Iterator<T>() {
                Iterator<? extends T> iter;
                int pos = 0;

                public boolean hasNext() {
                    while (pos < iterables.size()) {
                        if (iter == null)
                            iter = iterables.get(pos).iterator();
                        if (iter.hasNext())
                            return true;
                        iter = null;/*from w w w  . j  a  v  a 2  s.  c  o  m*/
                        pos++;
                    }
                    return false;
                }

                public T next() {
                    while (pos < iterables.size()) {
                        if (iter == null)
                            iter = iterables.get(pos).iterator();
                        if (iter.hasNext())
                            return iter.next();
                        iter = null;
                        pos++;
                    }
                    throw new NoSuchElementException();
                }

                public void remove() {
                    throw new UnsupportedOperationException("remove");
                }
            };
        }
    };
}

---

From source file:Main.java

/**
 * Returns an iterator that returns up to max number of elements from the
 * Collection//w ww . ja v a 2s . c o  m
 */
private static <T> Iterator<T> iterator(final Collection<T> c, final int count) {
    return new Iterator<T>() {

        private final Iterator<T> it = c.iterator();

        private int item = 0;

        public boolean hasNext() {
            if (item >= count) {
                return false;
            }
            return it.hasNext();
        }

        public T next() {
            if (!hasNext()) {
                throw new NoSuchElementException();
            }
            item++;
            return it.next();
        }

        public void remove() {
            it.remove();
            item--;
        }
    };
}

---

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