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lombok-pg is a collection of extensions to Project Lombok
/*
* Copyright © 2010-2011 Philipp Eichhorn
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.core.util;
import static java.lang.Character.*;
import java.util.*;
import lombok.*;
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class Names {
/**
*
* null -> null
* ->
* IOInterface -> IOInterface
* Irony -> Irony
* IObject -> Object
*
* {@code [I]([A-Z][a-z].*)}
*
*
*/
public static String interfaceName(final String s) {
if (Is.empty(s) || (s.length() <= 2)) return s;
return ((s.charAt(0) == 'I') && isUpperCase(s.charAt(1)) && isLowerCase(s.charAt(2))) ? s.substring(1) : s;
}
public static String decapitalize(final String s) {
if (s == null) return "";
return s.substring(0, 1).toLowerCase() + s.substring(1);
}
public static String capitalize(final String s) {
if (s == null) return "";
return s.substring(0, 1).toUpperCase() + s.substring(1);
}
/**
*
* null ->
* ->
* s -> s
*
*/
public static String trim(final String s) {
if (s == null) return "";
else return s.trim();
}
public static String singular(final String s) {
return s.endsWith("s") ? s.substring(0, s.length() - 1) : s;
}
public static String camelCaseToConstant(final String fieldName) {
if (Is.empty(fieldName)) return "";
char[] chars = fieldName.toCharArray();
StringBuilder b = new StringBuilder();
b.append(toUpperCase(chars[0]));
for (int i = 1, iend = chars.length; i < iend; i++) {
char c = chars[i];
if (isUpperCase(c)) {
b.append('_');
} else {
c = toUpperCase(c);
}
b.append(c);
}
return b.toString();
}
public static String camelCase(final String first, final String... rest) {
List nonEmptyStrings = new ArrayList();
if (Is.notEmpty(first)) nonEmptyStrings.add(first);
for (String s : Each.elementIn(rest)) {
if (Is.notEmpty(s)) nonEmptyStrings.add(s);
}
return camelCase0(nonEmptyStrings.toArray(new String[nonEmptyStrings.size()]));
}
private static String camelCase0(final String[] s) {
if (Is.empty(s)) return "";
StringBuilder builder = new StringBuilder();
builder.append(s[0]);
for (int i = 1, iend = s.length; i < iend; i++) {
builder.append(capitalize(s[i]));
}
return builder.toString();
}
}
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