Java Iterable Join join(String delimiter, String wrap, Iterable objs)

Description

join

License

Apache License

Declaration

public static String join(String delimiter, String wrap, Iterable<? extends Object> objs) 

Method Source Code

//package com.java2s;
/*/*w  ww .  j a va  2  s. co m*/
 * Copyright 2011 the original author or authors.
 * 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.Iterator;

public class Main {
    public static String join(String delimiter, String wrap, Iterable<? extends Object> objs) {
        Iterator<? extends Object> iter = objs.iterator();
        if (!iter.hasNext()) {
            return "";
        }
        StringBuilder buffer = new StringBuilder();
        buffer.append(wrap).append(iter.next()).append(wrap);
        while (iter.hasNext()) {
            buffer.append(delimiter).append(wrap).append(iter.next()).append(wrap);
        }
        return buffer.toString();
    }

    public static String join(String delimiter, Iterable<? extends Object> objs) {
        return join(delimiter, "", objs);
    }

    public static String toString(Object o) {
        if (null == o) {
            return null;
        }
        return o.toString();
    }
}

Related

1. join(Iterable values, String separator)
2. join(Iterable values, String separator)
3. join(Iterator iterator, String separator)
4. join(String delimiter, Iterable strings)
5. join(String delimiter, Iterable stringsIterable)
6. join(String glue, Iterable pieces)
7. join(String glue, Iterable tokens)
8. join(String sep, Iterable strings)
9. join(String separator, Iterable elements)