/*******************************************************************************
* Copyright 2015 xWic group (http://www.xwic.de)
*
* 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 de.jwic.util;
/**
* Utility class for string processing.
* @author Florian Lippisch
* @version $Revision: 1.1 $
*/
public class StringTool {
/**
* Returns the values in an array as semmicolon seperated string. If the
* array is null or empty, an empty string is returned.
* @param values
* @return
*/
public static String getSingleString(String[] values) {
if (values != null) {
if (values.length == 1) {
return values[0] == null ? "" : values[0];
} else if (values.length > 1) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < values.length; i++) {
if (i > 0) {
sb.append(";");
}
sb.append(values[i]);
}
return sb.toString();
}
}
return "";
}
}