Example usage for java.lang Iterable Iterable

Introduction

In this page you can find the example usage for java.lang Iterable Iterable.

Prototype

Iterable

Source Link

Usage

From source file:tpt.dbweb.cat.tools.Utility.java

public static <T> Iterable<T> iterable(Iterator<T> iterator) {
    return new Iterable<T>() {

        @Override// w  w  w .  j  a  v  a 2  s .c  o m
        public Iterator<T> iterator() {
            return iterator;
        }
    };
}

From source file:Main.java

public static <E> Iterable<E> iterable(final Iterator<E> iterator) {
    if (iterator == null) {
        throw new NullPointerException();
    }//  w w  w.  ja  va2  s.  com
    return new Iterable<E>() {
        public Iterator<E> iterator() {
            return iterator;
        }
    };
}

From source file:Util.java

/**
 * Renvoie les lments enfants (uniquement de type ELEMENT)
 * /*from   ww w. j a  va 2  s. c  o  m*/
 * @param e
 * @return
 */
public static Iterable<Element> getChildElements(final Element e) {
    return new Iterable<Element>() {
        public Iterator<Element> iterator() {
            final NodeList list = e.getChildNodes();
            int i = 0;
            for (; i < list.getLength(); i++) {
                if (list.item(i).getNodeType() == Node.ELEMENT_NODE)
                    break;
            }
            final int init = i;
            return new Iterator<Element>() {
                int cur = init;

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

                public Element next() {
                    Element item = (Element) list.item(cur);
                    for (cur++; cur < list.getLength(); cur++) {
                        if (list.item(cur).getNodeType() == Node.ELEMENT_NODE)
                            break;
                    }
                    return item;
                }

                public boolean hasNext() {
                    return cur < list.getLength();
                }

            };
        }
    };
}

From source file:Main.java

public static Iterable<Element> childrenElementsOf(final Node parent) {
    return new Iterable<Element>() {

        public Iterator<Element> iterator() {
            return new ElementIterator();
        }/*from w w w  . java  2s .  c om*/

        class ElementIterator implements Iterator<Element> {
            private Node continueFrom;
            private Element curNode;

            ElementIterator() {
                continueFrom = parent.getFirstChild();
                fetch();
            }

            public boolean hasNext() {
                return curNode != null;
            }

            public Element next() {
                Element res = curNode;
                fetch();
                return res;
            }

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

            private void fetch() {
                while (!(continueFrom == null || continueFrom instanceof Element)) {
                    continueFrom = continueFrom.getNextSibling();
                }
                if (continueFrom != null) {
                    curNode = (Element) continueFrom;
                    continueFrom = curNode.getNextSibling();
                } else {
                    curNode = null;
                }
            }

        }

    };
}

From source file:Main.java

public static <T> Iterable<T> iterable(final Iterator<T> iterator) {
    return new Iterable<T>() {
        @Override/*from  ww w  .  j  a  v a  2 s .  c  om*/
        public Iterator<T> iterator() {
            return iterator;
        }
    };
}

From source file:Main.java

public static Iterable<Node> iterateOverChildren(final Node element) {
    return new Iterable<Node>() {

        NodeList childNodes = element.getChildNodes();
        int itemIndex = 0;
        int nItems = childNodes.getLength();

        @Override//from   w  ww. j  ava2 s.  c  o m
        public Iterator<Node> iterator() {
            return new Iterator<Node>() {

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

                @Override
                public Node next() {
                    return childNodes.item(itemIndex++);
                }

                @Override
                public boolean hasNext() {
                    return itemIndex < nItems;
                }
            };
        }
    };
}

From source file:Main.java

public static <T> Iterable<T> iterable(final Iterator<T> iterator) {
    return new Iterable<T>() {
        public Iterator<T> iterator() {
            return iterator;
        }/*from w  ww  .j a v a  2 s. c  om*/
    };
}

From source file:Main.java

/**
 * Returns an iterator over the values referenced by the elements of {@code
 * iterable}./*from   w  w  w .  j a va  2s . c  o  m*/
 *
 * @param trim true to remove reference objects from the iterable after
 *     their referenced values have been cleared.
 */
public static <T> Iterable<T> dereferenceIterable(final Iterable<? extends Reference<T>> iterable,
        final boolean trim) {
    return new Iterable<T>() {
        public Iterator<T> iterator() {
            return new Iterator<T>() {
                private final Iterator<? extends Reference<T>> delegate = iterable.iterator();
                private boolean removeIsOkay;
                private T next;

                private void computeNext() {
                    removeIsOkay = false;
                    while (next == null && delegate.hasNext()) {
                        next = delegate.next().get();
                        if (trim && next == null) {
                            delegate.remove();
                        }
                    }
                }

                @Override
                public boolean hasNext() {
                    computeNext();
                    return next != null;
                }

                @Override
                public T next() {
                    if (!hasNext()) {
                        throw new IllegalStateException();
                    }
                    T result = next;
                    removeIsOkay = true;
                    next = null;
                    return result;
                }

                public void remove() {
                    if (!removeIsOkay) {
                        throw new IllegalStateException();
                    }
                    delegate.remove();
                }
            };
        }
    };
}

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;
                }/*w w  w .  j a  v a 2s  .  c o m*/

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

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

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;
                }/*from   ww w . java  2 s . c  om*/

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

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