net.kamhon.ieagle.util.StringUtil.java Source code

Introduction

Here is the source code for net.kamhon.ieagle.util.StringUtil.java

Source

/*
 * Copyright 2012 Eng Kam Hon (kamhon@gmail.com)
 * 
 * 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.
 */
package net.kamhon.ieagle.util;

import java.util.Arrays;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.lang.StringUtils;

public class StringUtil {

    private StringUtil() {
    }

    public static String convertToStringWithCommaNoSpacing(Object... objects) {
        return convertToStringWithSeparator(Arrays.asList(objects), ",", false);
    }

    public static String convertToStringWithComma(Object... objects) {
        return convertToStringWithComma(Arrays.asList(objects));
    }

    public static String convertToStringWithComma(List<?> list) {
        return convertToStringWithSeparator(list, ",", true);
    }

    public static String convertToStringWithSeparator(List<?> list, String separator, boolean withSpacing) {
        String result = "";

        if (CollectionUtil.isEmpty(list)) {
            return "";
        }

        for (Iterator<?> iterator = list.iterator(); iterator.hasNext();) {
            Object o = iterator.next();
            String s = o.toString();
            result += s;

            if (iterator.hasNext()) {
                if (withSpacing)
                    result += ", ";
                else
                    result += ",";
            }
        }

        return result;
    }

    /**
     * refer to <a href="http://leepoint.net/notes-java/io/10file/sys-indep-newline.html">System Independent Newline
     * Characters</a>
     */
    public static String newLineToHtmlBr(String s) {
        s = StringUtils.replace(s, "\r\n", "<br/>");
        return StringUtils.replace(s, "\n", "<br/>");
    }
}