Example usage for org.apache.commons.collections4 IteratorUtils getIterator

Introduction

In this page you can find the example usage for org.apache.commons.collections4 IteratorUtils getIterator.

Prototype

public static Iterator<?> getIterator(final Object obj) 

Source Link

Document

Gets a suitable Iterator for the given object.

Usage

From source file:com.feilong.core.bean.ConvertUtilTest.java

/**
 * TestConvertUtilTest./*from w  w  w  .  j  av  a  2  s . co m*/
 */
@Test
public void testConvertUtilTest() {
    int[] i2 = { 1, 2 };
    LOGGER.debug(JsonUtil.format(IteratorUtils.getIterator(i2), 0, 0));

    Iterator<Integer> iterator = toIterator(i2);
    LOGGER.debug(JsonUtil.format(iterator, 0, 0));
}

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From source file:com.sunchenbin.store.feilong.core.bean.ConvertUtil.java

/**
 * ??Iterator./*w  ww  .j av  a  2s.  c o m*/
 * 
 * <h3>?:</h3>
 * 
 * <blockquote>
 * <ul>
 * <li>?,{@link ConvertUtil#toStrings(Object)} ?</li>
 * <li></li>
 * <li>{@link java.util.Map}, {@link java.util.Map#values()} ?{@link java.util.Iterator}</li>
 * <li>{@link java.util.Collection}</li>
 * <li>{@link java.util.Iterator}</li>
 * <li>{@link java.util.Enumeration}</li>
 * <li>{@link java.util.Dictionary}</li>
 * <li>{@link org.w3c.dom.Node}</li>
 * <li>{@link org.w3c.dom.NodeList}</li>
 * </ul>
 * </blockquote>
 *
 * @param <T>
 *            the generic type
 * @param object
 *            <ul>
 *            <li>?,{@link ConvertUtil#toStrings(Object)} ?</li>
 *            <li></li>
 *            <li>{@link java.util.Map}, {@link java.util.Map#values()} ?{@link java.util.Iterator}</li>
 *            <li>{@link java.util.Collection}</li>
 *            <li>{@link java.util.Iterator}</li>
 *            <li>{@link java.util.Enumeration}</li>
 *            <li>{@link java.util.Dictionary}</li>
 *            <li>{@link org.w3c.dom.Node}</li>
 *            <li>{@link org.w3c.dom.NodeList}</li>
 *            </ul>
 * @return <ul>
 *         <li> null == object null,</li>
 *         <li>?? {@link IteratorUtils#getIterator(Object)}</li>
 *         </ul>
 * @see Collection#iterator()
 * @see EnumerationIterator#EnumerationIterator(Enumeration)
 * @see IteratorUtils#getIterator(Object)
 * @see "org.apache.taglibs.standard.tag.common.core.ForEachSupport#supportedTypeForEachIterator(Object)"
 * @since Commons Collections4.0
 */
@SuppressWarnings("unchecked")
public static <T> Iterator<T> toIterator(Object object) {
    if (null == object) {
        return null;
    }
    // ?
    if (object instanceof String) {
        return toIterator(toStrings(object));
    }
    return (Iterator<T>) IteratorUtils.getIterator(object);
}

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From source file:com.feilong.core.bean.ConvertUtil.java

/**
 * ?Iterator.//  w  w  w  .jav  a 2 s  .com
 * 
 * <h3>?:</h3>
 * 
 * <blockquote>
 * <ul>
 * <li>?,{@link ConvertUtil#toStrings(Object)} ?</li>
 * <li></li>
 * <li>{@link java.util.Map}, {@link java.util.Map#values()} ?{@link java.util.Iterator}</li>
 * <li>{@link java.util.Collection}</li>
 * <li>{@link java.util.Iterator}</li>
 * <li>{@link java.util.Enumeration}</li>
 * <li>{@link java.util.Dictionary}</li>
 * <li>{@link org.w3c.dom.Node}</li>
 * <li>{@link org.w3c.dom.NodeList}</li>
 * </ul>
 * </blockquote>
 *
 * @param <T>
 *            the generic type
 * @param toBeConvertedValue
 *            <ul>
 *            <li>?,{@link ConvertUtil#toStrings(Object)} ?</li>
 *            <li></li>
 *            <li>{@link java.util.Map}, {@link java.util.Map#values()} ?{@link java.util.Iterator}</li>
 *            <li>{@link java.util.Collection}</li>
 *            <li>{@link java.util.Iterator}</li>
 *            <li>{@link java.util.Enumeration}</li>
 *            <li>{@link java.util.Dictionary}</li>
 *            <li>{@link org.w3c.dom.Node}</li>
 *            <li>{@link org.w3c.dom.NodeList}</li>
 *            </ul>
 * @return  <code>toBeConvertedValue</code> null,null<br>
 *          <code>toBeConvertedValue</code> ,?,??<br>
 *         ?? {@link IteratorUtils#getIterator(Object)}
 * @see Collection#iterator()
 * @see EnumerationIterator#EnumerationIterator(Enumeration)
 * @see IteratorUtils#asIterator(Enumeration)
 * @see IteratorUtils#getIterator(Object)
 * @see "org.apache.taglibs.standard.tag.common.core.ForEachSupport#supportedTypeForEachIterator(Object)"
 * @since Commons Collections4.0
 */
@SuppressWarnings("unchecked")
public static <T> Iterator<T> toIterator(Object toBeConvertedValue) {
    if (null == toBeConvertedValue) {
        return null;
    }
    // ?
    if (toBeConvertedValue instanceof String) {
        return toIterator(toStrings(toBeConvertedValue));
    }
    return (Iterator<T>) IteratorUtils.getIterator(toBeConvertedValue);
}

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