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Apache CXF Minimal Bundle Jar
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.tools.util;
import java.util.ArrayList;
import java.util.List;
import org.apache.cxf.helpers.JavaUtils;
public final class NameUtil {
static final int UPPER_LETTER = 0;
static final int LOWER_LETTER = 1;
static final int OTHER_LETTER = 2;
static final int DIGIT = 3;
static final int OTHER = 4;
private static final byte ACTION_CHECK_PUNCT = 0;
private static final byte ACTION_CHECK_C2 = 1;
private static final byte ACTION_BREAK = 2;
private static final byte ACTION_NOBREAK = 3;
private static final byte[] ACTION_TABLE = new byte[5 * 5];
private NameUtil() {
}
static {
for (int t0 = 0; t0 < 5; t0++) {
for (int t1 = 0; t1 < 5; t1++) {
ACTION_TABLE[t0 * 5 + t1] = decideAction(t0, t1);
}
}
}
protected static boolean isPunct(char c) {
boolean isPunct = c == '-' || c == '.' || c == ':' || c == '_';
boolean isUnicodePunct = c == '\u00b7' || c == '\u0387' || c == '\u06dd' || c == '\u06de';
return isPunct || isUnicodePunct;
}
protected static boolean isLower(char c) {
return c >= 'a' && c <= 'z' || Character.isLowerCase(c);
}
public static String capitalize(String s) {
if (!isLower(s.charAt(0))) {
return s;
}
StringBuilder sb = new StringBuilder(s.length());
sb.append(Character.toUpperCase(s.charAt(0)));
sb.append(s.substring(1).toLowerCase());
return sb.toString();
}
private static int nextBreak(String s, int start) {
int n = s.length();
char c1 = s.charAt(start);
int t1 = classify(c1);
for (int i = start + 1; i < n; i++) {
int t0 = t1;
c1 = s.charAt(i);
t1 = classify(c1);
switch (ACTION_TABLE[t0 * 5 + t1]) {
case ACTION_CHECK_PUNCT:
if (isPunct(c1)) {
return i;
}
break;
case ACTION_CHECK_C2:
if (i < n - 1) {
char c2 = s.charAt(i + 1);
if (isLower(c2)) {
return i;
}
}
break;
case ACTION_BREAK:
return i;
default:
}
}
return -1;
}
private static byte decideAction(int t0, int t1) {
if (t0 == OTHER && t1 == OTHER) {
return ACTION_CHECK_PUNCT;
}
if (!xor(t0 == DIGIT, t1 == DIGIT)
|| (t0 == LOWER_LETTER && t1 != LOWER_LETTER)) {
return ACTION_BREAK;
}
if (!xor(t0 <= OTHER_LETTER, t1 <= OTHER_LETTER)) {
return ACTION_BREAK;
}
if (!xor(t0 == OTHER_LETTER, t1 == OTHER_LETTER)) {
return ACTION_BREAK;
}
if (t0 == UPPER_LETTER && t1 == UPPER_LETTER) {
return ACTION_CHECK_C2;
}
return ACTION_NOBREAK;
}
private static boolean xor(boolean x, boolean y) {
return (x && y) || (!x && !y);
}
protected static int classify(char c0) {
switch (Character.getType(c0)) {
case Character.UPPERCASE_LETTER:
return UPPER_LETTER;
case Character.LOWERCASE_LETTER:
return LOWER_LETTER;
case Character.TITLECASE_LETTER:
case Character.MODIFIER_LETTER:
case Character.OTHER_LETTER:
return OTHER_LETTER;
case Character.DECIMAL_DIGIT_NUMBER:
return DIGIT;
default:
return OTHER;
}
}
public static List toWordList(String s) {
List ss = new ArrayList();
int n = s.length();
for (int i = 0; i < n;) {
while (i < n) {
if (!isPunct(s.charAt(i))) {
break;
}
i++;
}
if (i >= n) {
break;
}
int b = nextBreak(s, i);
String w = (b == -1) ? s.substring(i) : s.substring(i, b);
ss.add(escape(capitalize(w)));
if (b == -1) {
break;
}
i = b;
}
return ss;
}
protected static String toMixedCaseName(List ss, boolean startUpper) {
StringBuilder sb = new StringBuilder();
if (!ss.isEmpty()) {
sb.append(startUpper ? ss.get(0) : ss.get(0).toLowerCase());
for (int i = 1; i < ss.size(); i++) {
sb.append(ss.get(i));
}
}
return sb.toString();
}
protected static String toMixedCaseVariableName(String[] ss,
boolean startUpper,
boolean cdrUpper) {
if (cdrUpper) {
for (int i = 1; i < ss.length; i++) {
ss[i] = capitalize(ss[i]);
}
}
StringBuilder sb = new StringBuilder();
if (ss.length > 0) {
sb.append(startUpper ? ss[0] : ss[0].toLowerCase());
for (int i = 1; i < ss.length; i++) {
sb.append(ss[i]);
}
}
return sb.toString();
}
public static void escape(StringBuilder sb, String s, int start) {
int n = s.length();
for (int i = start; i < n; i++) {
char c = s.charAt(i);
if (Character.isJavaIdentifierPart(c)) {
sb.append(c);
} else {
sb.append('_');
if (c <= '\u000f') {
sb.append("000");
} else if (c <= '\u00ff') {
sb.append("00");
} else if (c <= '\u0fff') {
sb.append('0');
}
sb.append(Integer.toString(c, 16));
}
}
}
private static String escape(String s) {
int n = s.length();
for (int i = 0; i < n; i++) {
if (!Character.isJavaIdentifierPart(s.charAt(i))) {
StringBuilder sb = new StringBuilder(s.substring(0, i));
escape(sb, s, i);
return sb.toString();
}
}
return s;
}
public static boolean isJavaIdentifier(String s) {
if (s.length() == 0) {
return false;
}
if (JavaUtils.isJavaKeyword(s)) {
return false;
}
if (!Character.isJavaIdentifierStart(s.charAt(0))) {
return false;
}
for (int i = 1; i < s.length(); i++) {
if (!Character.isJavaIdentifierPart(s.charAt(i))) {
return false;
}
}
return true;
}
public static String mangleNameToClassName(String name) {
return toMixedCaseName(toWordList(name), true);
}
public static String mangleNameToVariableName(String name) {
return toMixedCaseName(toWordList(name), false);
}
}