Example usage for org.apache.commons.collections.iterators EnumerationIterator EnumerationIterator

Introduction

In this page you can find the example usage for org.apache.commons.collections.iterators EnumerationIterator EnumerationIterator.

Prototype

public EnumerationIterator(final Enumeration enumeration) 

Source Link

Document

Constructs a new EnumerationIterator that provides an iterator view of the given enumeration.

Usage

From source file:com.cyclopsgroup.waterview.servlet.HttpSessionContext.java

/**
 * Overwrite or implement method keys()//from  w  ww  . j  a v a 2 s .co m
 * @see com.cyclopsgroup.waterview.Context#keys()
 */
public Iterator keys() {
    return new EnumerationIterator(httpSession.getAttributeNames());
}

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From source file:com.cyclopsgroup.waterview.servlet.ServletRequestContext.java

/**
 * Overwrite or implement method keys()//from w  w w .  j a v a  2s.c  o  m
 * @see com.cyclopsgroup.waterview.Context#keys()
 */
public Iterator keys() {
    return new EnumerationIterator(request.getAttributeNames());
}

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From source file:com.cyclopsgroup.waterview.impl.servlet.ServletRequestContext.java

/**
 * Overwrite or implement method keys()/*from   w  ww . j  a  v  a 2s  .c o  m*/
 * @see com.cyclopsgroup.waterview.Context#keys()
 */
@SuppressWarnings("unchecked")
public Iterator keys() {
    return new EnumerationIterator(request.getAttributeNames());
}

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From source file:com.cyclopsgroup.waterview.impl.servlet.HttpSessionContext.java

/**
 * Overwrite or implement method keys()/*from   w  ww .ja va2 s . c  o  m*/
 * @see com.cyclopsgroup.waterview.Context#keys()
 */
@SuppressWarnings("unchecked")
public Iterator<String> keys() {
    return new EnumerationIterator(httpSession.getAttributeNames());
}

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From source file:com.iorga.iraj.security.HttpServletRequestToSign.java

@Override
public Iterable<String> getHeaderNames() {
    return new Iterable<String>() {
        @SuppressWarnings("unchecked")
        @Override//ww w.ja  v a2s.com
        public Iterator<String> iterator() {
            return new EnumerationIterator(httpServletRequest.getHeaderNames());
        }
    };
}

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From source file:com.iorga.iraj.security.HttpServletRequestToSign.java

@Override
public Iterable<String> getHeaders(final String name) {
    return new Iterable<String>() {
        @SuppressWarnings("unchecked")
        @Override/*from  ww w. java  2  s.  com*/
        public Iterator<String> iterator() {
            return new EnumerationIterator(httpServletRequest.getHeaders(name));
        }
    };
}

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From source file:com.discovery.darchrow.lang.ObjectUtil.java

/**
 * ?/*from   www  .  j  ava 2 s.c  o  m*/
 * <ul>
 * <li>?</li>
 * <li></li>
 * <li>{@link java.util.Map},key ?{@link java.util.Iterator}</li>
 * <li>{@link java.util.Collection}</li>
 * <li>{@link java.util.Iterator}</li>
 * <li>{@link java.util.Enumeration}</li>
 * </ul>
 * ?Iterator.
 *
 * @param <T>
 *            the generic type
 * @param object
 *            <ul>
 *            <li>?</li>
 *            <li></li>
 *            <li>map,key ?Iterator</li>
 *            <li>Collection</li>
 *            <li>Iterator</li>
 *            <li>Enumeration</li>
 *            </ul>
 * @return <ul>
 *         <li> null == object null,</li>
 *         <li>??Iterator</li>
 *         </ul>
 * @see ArrayUtil#toIterator(Object)
 * @see Collection#iterator()
 * @see Iterator
 * @see Map#keySet()
 * @see Set#iterator()
 * @see org.apache.commons.collections.iterators.EnumerationIterator#EnumerationIterator(Enumeration)
 * @since Commons Collections 1.0
 */
@SuppressWarnings("unchecked")
public static final <T> Iterator<T> toIterator(Object object) {
    if (null == object) {
        return null;
    }
    // object ?
    // 
    if (object.getClass().isArray()) {
        return ArrayUtil.toIterator(object);
    }
    // Collection
    else if (object instanceof Collection) {
        return ((Collection<T>) object).iterator();
    }
    // Iterator
    else if (object instanceof Iterator) {
        return (Iterator<T>) object;
    }
    // Enumeration
    else if (object instanceof Enumeration) {
        Enumeration<T> enumeration = (Enumeration<T>) object;
        EnumerationIterator enumerationIterator = new EnumerationIterator(enumeration);
        return enumerationIterator;
    }
    // map
    else if (object instanceof Map) {
        Set<T> keySet = ((Map<T, ?>) object).keySet();
        return keySet.iterator();
    }
    // ?
    else if (object instanceof String) {
        String[] strings = object.toString().split(",");
        return ArrayUtil.toIterator(strings);
    } else {
        throw new IllegalArgumentException("param object:[" + object + "] don't support convert to Iterator.");
    }
}

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From source file:com.cyclopsgroup.waterview.utils.TypeUtils.java

/**
 * Return iterator of given object/*from ww  w . j  a  v  a  2  s  . c o m*/
 *
 * @param items Could be any object
 * @return Iteartor object of it
 */
public static Iterator iterate(Object items) {
    if (items instanceof Collection) {
        return ((Collection) items).iterator();
    } else if (items instanceof Iterator) {
        return (Iterator) items;
    } else if (items instanceof Enumeration) {
        return new EnumerationIterator((Enumeration) items);
    } else if (items instanceof Object[]) {
        return new ArrayIterator((Object[]) items);
    } else {
        List ret = new ArrayList(1);
        ret.add(items);
        return ret.iterator();
    }
}

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From source file:de.innovationgate.utils.WGUtils.java

/**
 * Version of {@link #extractEntryList(Iterator)} which takes an Enumeration instead
 *///w  w w  .  j a v a 2  s  .c o m
@SuppressWarnings({ "rawtypes" })
public static List extractEntryList(Enumeration en) {
    return extractEntryList(new EnumerationIterator(en));
}

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From source file:org.apache.cocoon.faces.context.ExternalContextImpl.java

public Iterator getRequestLocales() {
    return new EnumerationIterator(this.request.getLocales());
}

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