All Downloads are FREE. Search and download functionalities are using the official Maven repository.
Please wait. This can take some minutes ...
Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
com.blazebit.lang.StringUtils Maven / Gradle / Ivy
package com.blazebit.lang;
import java.util.Iterator;
public final class StringUtils {
private StringUtils() {
}
public static boolean isEmpty(CharSequence sequence) {
if (sequence == null || sequence.length() == 0) {
return true;
}
return false;
}
public static boolean isEmpty(CharSequence... sequence) {
if (sequence == null || sequence.length == 0) {
return true;
}
for (CharSequence s : sequence) {
if (s == null || s.length() == 0) {
return true;
}
}
return false;
}
public static String join(CharSequence delimiter, CharSequence... parts) {
return join(
new StringBuilder((parts.length + delimiter.length()) * 10),
delimiter, parts).toString();
}
public static StringBuilder join(StringBuilder sb, CharSequence delimiter,
CharSequence... parts) {
if (parts.length == 0) {
return sb;
}
final int last = parts.length - 1;
for (int i = 0; i < last; i++) {
sb.append(parts[i]);
sb.append(delimiter);
}
sb.append(parts[last]);
return sb;
}
public static String join(CharSequence delimiter,
Iterable parts) {
return join(new StringBuilder(), delimiter, parts).toString();
}
public static String join(CharSequence delimiter, Iterable parts,
ValueRetriever expression) {
return join(new StringBuilder(), delimiter, parts, expression)
.toString();
}
public static StringBuilder join(StringBuilder sb, CharSequence delimiter,
Iterable parts) {
return join(sb, delimiter, parts.iterator());
}
public static StringBuilder join(StringBuilder sb,
CharSequence delimiter, Iterable parts,
ValueRetriever expression) {
return join(sb, delimiter, parts.iterator(), expression);
}
public static String join(CharSequence delimiter,
Iterator iter) {
return join(new StringBuilder(), delimiter, iter).toString();
}
public static String join(CharSequence delimiter, Iterator iter,
ValueRetriever expression) {
return join(new StringBuilder(), delimiter, iter, expression)
.toString();
}
public static StringBuilder join(StringBuilder sb, CharSequence delimiter,
Iterator iter) {
if (!iter.hasNext()) {
return sb;
}
sb.append(iter.next());
while (iter.hasNext()) {
sb.append(delimiter);
sb.append(iter.next());
}
return sb;
}
public static StringBuilder join(StringBuilder sb,
CharSequence delimiter, Iterator iter,
ValueRetriever expression) {
if (!iter.hasNext()) {
return sb;
}
sb.append(expression.getValue(iter.next()).toString());
while (iter.hasNext()) {
sb.append(delimiter);
sb.append(expression.getValue(iter.next()).toString());
}
return sb;
}
public static String firstToUpper(CharSequence s) {
return addFirstToUpper(new StringBuilder(s.length()), s).toString();
}
public static StringBuilder addFirstToUpper(StringBuilder sb, CharSequence s) {
sb.append(Character.toUpperCase(s.charAt(0)));
sb.append(s, 1, s.length());
return sb;
}
public static String firstToLower(CharSequence s) {
return addFirstToLower(new StringBuilder(s.length()), s).toString();
}
public static StringBuilder addFirstToLower(StringBuilder sb, CharSequence s) {
sb.append(Character.toLowerCase(s.charAt(0)));
sb.append(s, 1, s.length());
return sb;
}
}