/*
* Copyright 2007 Yusuke Yamamoto
*
* 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 twitter4j.internal.util;
import java.util.ArrayList;
import java.util.List;
/**
* @author Yusuke Yamamoto - yusuke at mac.com
* @since Twitter4J 2.1.4
*/
public class z_T4JInternalStringUtil {
private z_T4JInternalStringUtil() {
throw new AssertionError();
}
public static String maskString(String str) {
StringBuilder buf = new StringBuilder(str.length());
for (int i = 0; i < str.length(); i++) {
buf.append("*");
}
return buf.toString();
}
// for JDK1.4 compatibility
public static String[] split(String str, String separator) {
String[] returnValue;
int index = str.indexOf(separator);
if (index == -1) {
returnValue = new String[]{str};
} else {
List<String> strList = new ArrayList<String>();
int oldIndex = 0;
while (index != -1) {
String subStr = str.substring(oldIndex, index);
strList.add(subStr);
oldIndex = index + separator.length();
index = str.indexOf(separator, oldIndex);
}
if (oldIndex != str.length()) {
strList.add(str.substring(oldIndex));
}
returnValue = strList.toArray(new String[strList.size()]);
}
return returnValue;
}
public static String join(int[] follows) {
StringBuilder buf = new StringBuilder(11 * follows.length);
for (int follow : follows) {
if (0 != buf.length()) {
buf.append(",");
}
buf.append(follow);
}
return buf.toString();
}
public static String join(long[] follows) {
StringBuilder buf = new StringBuilder(11 * follows.length);
for (long follow : follows) {
if (0 != buf.length()) {
buf.append(",");
}
buf.append(follow);
}
return buf.toString();
}
public static String join(String[] track) {
StringBuilder buf = new StringBuilder(11 * track.length);
for (String str : track) {
if (0 != buf.length()) {
buf.append(",");
}
buf.append(str);
}
return buf.toString();
}
public static String join(List<String> strs) {
StringBuilder buf = new StringBuilder(11 * strs.size());
for (String str : strs) {
if (0 != buf.length()) {
buf.append(",");
}
buf.append(str);
}
return buf.toString();
}
}