Example usage for org.jfree.data KeyToGroupMap clone

Introduction

In this page you can find the example usage for org.jfree.data KeyToGroupMap clone.

Prototype

private static Collection clone(Collection list) throws CloneNotSupportedException 

Source Link

Document

Returns a clone of the list.

Usage

From source file:org.jfree.data.KeyToGroupMap.java

/**
 * Returns a clone of the map./*from   ww  w . j a va2s. c  o m*/
 *
 * @return A clone.
 *
 * @throws CloneNotSupportedException  if there is a problem cloning the
 *                                     map.
 */
@Override
public Object clone() throws CloneNotSupportedException {
    KeyToGroupMap result = (KeyToGroupMap) super.clone();
    result.defaultGroup = (Comparable) KeyToGroupMap.clone(this.defaultGroup);
    result.groups = (List) KeyToGroupMap.clone(this.groups);
    result.keyToGroupMap = (Map) KeyToGroupMap.clone(this.keyToGroupMap);
    return result;
}

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From source file:org.jfree.data.KeyToGroupMap.java

/**
 * Returns a clone of the list./* w w w. j  a v a 2 s. co m*/
 *
 * @param list  the list.
 *
 * @return A clone of the list.
 *
 * @throws CloneNotSupportedException if the list could not be cloned.
 */
private static Collection clone(Collection list) throws CloneNotSupportedException {
    Collection result = null;
    if (list != null) {
        try {
            List clone = (List) list.getClass().newInstance();
            Iterator iterator = list.iterator();
            while (iterator.hasNext()) {
                clone.add(KeyToGroupMap.clone(iterator.next()));
            }
            result = clone;
        } catch (Exception e) {
            throw new CloneNotSupportedException("Exception.");
        }
    }
    return result;
}

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