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• UResourceBundleIterator.java

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com.ibm.icu.util.UResourceBundleIterator Maven / Gradle / Ivy

/*
******************************************************************************
* Copyright (C) 2004-2009, International Business Machines Corporation and   *
* others. All Rights Reserved.                                               *
******************************************************************************
*/

package com.ibm.icu.util;

import java.util.NoSuchElementException;

/**
 * 
Class for enabling iteration over UResourceBundle objects.
 * Example of use:

 * 
 * ICUResourceBundleIterator iterator = resB.getIterator();
 * ICUResourceBundle temp;
 * while (iterator.hasNext()) {
 *    temp = iterartor.next();  
 *    int type = temp.getType();
 *    switch(type){
 *      case UResourceBundle.STRING:
 *          str = temp.getString();
 *          break;
 *      case UResourceBundle.INT:
 *          integer = temp.getInt();
 *          break;
 *     .....
 *    }
 *   // do something interesting with data collected
 * }
 * 
 * @author ram
 * @stable ICU 3.8
 */
public class UResourceBundleIterator{
    private UResourceBundle bundle;
    private int index = 0;
    private int size = 0;
    /**
     * Construct a resource bundle iterator for the
     * given resource bundle
     * 
     * @param bndl The resource bundle to iterate over
     * @stable ICU 3.8
     */
    public UResourceBundleIterator(UResourceBundle bndl){
        bundle = bndl;   
        size = bundle.getSize();
    }

    /**
     * Returns the next element of this iterator if this iterator object has at least one more element to provide
     * @return the UResourceBundle object
     * @throws NoSuchElementException If there does not exist such an element.
     * @stable ICU 3.8
     */
    public UResourceBundle next()throws NoSuchElementException{
        if(index