Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2010-2012 Roger Kapsi
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

import java.util.Collection;

import java.util.Iterator;

import java.util.concurrent.BlockingQueue;

public class Main {
    /**
     * Removes all available elements from this {@link Iterable} and adds 
     * them to the given {@link Collection}.
     */
    public static <T> int drainTo(Iterable<? extends T> src, Collection<? super T> dst) {
        return drainTo(src, dst, Integer.MAX_VALUE);
    }

    /**
     * Removes all available elements from this {@link Iterable} and adds 
     * them to the given {@link Collection}.
     */
    public static <T> int drainTo(Iterable<? extends T> src, Collection<? super T> dst, int max) {
        if (src instanceof BlockingQueue<?>) {
            return ((BlockingQueue<? extends T>) src).drainTo(dst, max);
        }

        int count = 0;

        for (Iterator<? extends T> it = src.iterator(); it.hasNext();) {
            if (count >= max) {
                break;
            }

            dst.add(it.next());
            it.remove();
            ++count;
        }

        return count;
    }
}