Java Array to String arrayToString(Object[] args, String separator)

Description

array To String

License

Apache License

Declaration

public static String arrayToString(Object[] args, String separator) 

Method Source Code

//package com.java2s;
/**// w w w.  j av a2s .  c  o m
 * 
 * Copyright 2008 - 2009
 * 
 * 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.
 * 
 * @project loonframework
 * @author chenpeng
 * @email?ceponline@yahoo.com.cn
 * @version 0.1
 */

import java.util.ArrayList;

import java.util.List;

public class Main {

    public static String arrayToString(Object[] args, String separator) {
        if (args == null || separator == null) {
            return null;
        }
        StringBuffer result = new StringBuffer();
        if (args.length > 0) {
            result.append(args[0]);
            for (int i = 1; i < args.length; i++) {
                result.append(separator);
                result.append(args[i]);
            }
        }
        return result.toString();
    }

    public static String arrayToString(Object[] args) {
        return arrayToString(args, ",");
    }

    public static String toString(String str) {
        if (str == null || str.length() == 0)
            return "";
        else
            return str.trim();
    }

    public static int length(String s) {
        if (s == null)
            return 0;
        else
            return s.getBytes().length;
    }

    public static String[] trim(String[] s) {
        if (s == null) {
            return null;
        }
        for (int i = 0, len = s.length; i < len; i++) {
            s[i] = s[i].trim();
        }
        return s;
    }

    public static String trim(String s, char delimit[]) {
        if (s == null) {
            return null;
        }
        int length = s.length();
        int beginIndex = 0;
        int endIndex = length;
        for (; beginIndex < length; beginIndex++) {
            char c = s.charAt(beginIndex);
            boolean found = false;
            for (int i = 0; i < delimit.length; i++) {
                if (delimit[i] != c) {
                    continue;
                }
                found = true;
                break;
            }
            if (!found)
                break;
        }

        for (; endIndex > beginIndex; endIndex--) {
            char c = s.charAt(endIndex - 1);
            boolean found = false;
            for (int i = 0; i < delimit.length; i++) {
                if (delimit[i] != c)
                    continue;
                found = true;
                break;
            }

            if (!found)
                break;
        }

        if (beginIndex == endIndex)
            return "";
        if (beginIndex > 0 || endIndex < length)
            return s.substring(beginIndex, endIndex);
        else
            return s;
    }

    public static List subString(String in, String open, String end) {
        List list = new ArrayList();
        while (true) {
            int from = in.indexOf(open, 0);
            if (from == -1)
                break;
            in = in.substring(from + open.length(), in.length());
            int to = in.indexOf(open, 0);
            int mid = in.indexOf(open);
            if ((mid > to || mid == -1) && to != -1) {
                list.add(in.substring(0, to));
            }
        }
        return list;

    }
}

Related

1. arrayToString(Object obj[])
2. arrayToString(Object... keys)
3. arrayToString(Object... objects)
4. arrayToString(Object[] a)
5. arrayToString(Object[] anArray, String aPrefix, String aSeparator, String aSuffix, String anEscapeChars, char anEscapeSymbol)
6. arrayToString(Object[] arr)
7. arrayToString(Object[] arr)
8. arrayToString(Object[] arr)
9. arrayToString(Object[] arr)