/**
* Copyright (c) 2015 by Open eGovPlatform (http://http://openegovplatform.org/).
*
* 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 org.oep.processmgt.util;
/**
* Handle util function for String
*
* Version: OEP 1.1
*
* History:
* DATE AUTHOR DESCRIPTION
* -------------------------------------------------
* 01-April-2015 trungdv Create new
*/
public class StringUtil {
public static boolean isNullOrEmpty(String source) {
return (source == null || "".equals(source));
}
public static boolean equalNullable(String source, String des) {
if (source == null) source = "";
if (des == null) des = "";
return source.equals(des);
}
public static String join(final Object[] array, final String separator) {
if (array == null) {
return null;
}
int startIndex = 0;
int endIndex = array.length;
final int noOfItems = endIndex - startIndex;
if (noOfItems <= 0) {
return "";
}
final StringBuilder buf = new StringBuilder();
for (int i = startIndex; i < endIndex; i++) {
if (i > startIndex) {
buf.append(separator);
}
if (array[i] != null) {
buf.append(array[i]);
}
}
return buf.toString();
}
public static boolean contains(String element, String[] sources) {
if (element != null && sources != null && sources.length > 0) {
for (String item : sources) {
if (item != null && item.equals(element)) {
return true;
}
}
}
return false;
}
}