Java Iterable to Collection iterableToString(String separator, Iterable collection)

Description

iterable To String

License

Open Source License

Declaration

public static final <T> 
    String iterableToString(String separator, Iterable<T> collection) 

Method Source Code

//package com.java2s;

import java.util.Iterator;

public class Main {
    public static final <T> //
    String iterableToString(String separator, Iterable<T> collection) {
        if (collection != null)
            return iterableToString(separator, collection.iterator());
        return "";
    }//www.  ja  v  a  2s.c o m

    public static final <T> //
    String iterableToString(String separator, Iterator<T> iterator) {
        StringBuilder sb = new StringBuilder();
        while (iterator.hasNext()) {
            T item = iterator.next();
            if (item != null) {
                String appendable = item.toString();
                sb.append(appendable);
                if (iterator.hasNext())
                    sb.append(separator);
            }
        }
        return sb.toString();
    }

    public static final <T> //
    String iterableToString(String separator, T... collection) {
        StringBuilder sb = new StringBuilder();
        if (collection != null)
            for (int i = 0; i != collection.length; i++) {
                T item = collection[i];
                if (item != null) {
                    String appendable = item.toString();
                    sb.append(appendable);
                    if (i != collection.length - 1)
                        sb.append(separator);
                }
            }
        return sb.toString();
    }
}

Related

1. iterableToCollection(Iterable iter, Collection list)
2. iterableToCollection(Iterable iterable)
3. iterableToString(Iterable collection, String sep)