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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* 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 org.apache.tuscany.model.util;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.apache.tuscany.sdo.helper.SDOXSDEcoreBuilder;
/**
* A utility class that converts between XML names and Java names.
*/
public final class XMLNameUtil {
private static final List<String> DOMAINS = Arrays.asList(new String[]{"COM", "com", "ORG", "org"});
/**
* Constructor
*/
private XMLNameUtil() {
super();
}
/**
* Return an EPackage name for the given namespace.
*
* @param namespace
* @return an EPackage name for the given namespace
*/
public static String getPackageNameFromNamespace(String namespace) {
return org.apache.tuscany.sdo.helper.SDOXSDEcoreBuilder.getDefaultPackageName(namespace);
}
/**
* Trim the file extension from a path.
* @param path
* @return
*/
private static String trimFileExtension(String path) {
int s=path.lastIndexOf('/');
int d=path.lastIndexOf('.');
if (d>s) {
return path.substring(0,d);
} else {
return path;
}
}
/**
* Returns a namespace prefix for the given package Name.
*
* @param packageName
* @return a namespace prefix for the given package Name
*/
public static String getNSPrefixFromPackageName(String packageName) {
int index = packageName.lastIndexOf('.');
return index == -1 ? packageName : packageName.substring(index + 1);
}
/**
* Parse the given name.
*
* @param sourceName
* @param separator
* @return some stuff parsed from the name
*/
private static List<String> parseName(String sourceName, char separator) {
List<String> result = new ArrayList<String>();
if (sourceName != null) {
StringBuilder currentWord = new StringBuilder(64);
boolean lastIsLower = false;
int index;
int length;
for (index = 0, length = sourceName.length(); index < length; ++index) {
char curChar = sourceName.charAt(index);
if (!Character.isJavaIdentifierPart(curChar)) {
curChar = separator;
}
if (Character.isUpperCase(curChar)
|| (!lastIsLower && Character.isDigit(curChar))
|| curChar == separator) {
if (lastIsLower && currentWord.length() > 1
|| curChar == separator && currentWord.length() > 0) {
result.add(currentWord.toString());
currentWord = new StringBuilder(64);
}
lastIsLower = false;
} else {
if (!lastIsLower) {
int currentWordLength = currentWord.length();
if (currentWordLength > 1) {
char lastChar = currentWord.charAt(--currentWordLength);
currentWord.setLength(currentWordLength);
result.add(currentWord.toString());
currentWord = new StringBuilder(64);
currentWord.append(lastChar);
}
}
lastIsLower = true;
}
if (curChar != separator) {
currentWord.append(curChar);
}
}
result.add(currentWord.toString());
}
return result;
}
/**
* Returns a valid Java name from an XML Name.
*
* @param name
* @param isUpperCase
* @return a valid Java name from an XML Name
*/
public static String getJavaNameFromXMLName(String name, boolean isUpperCase) {
List<String> parsedName = parseName(name, '_');
StringBuilder result = new StringBuilder(64 * parsedName.size());
for (String nameComponent: parsedName) {
if (nameComponent.length() > 0) {
if (result.length() > 0 || isUpperCase) {
result.append(Character.toUpperCase(nameComponent.charAt(0)));
result.append(nameComponent.substring(1));
} else {
result.append(nameComponent);
}
}
}
if (result.length() == 0) {
return "_";
}
if (Character.isJavaIdentifierStart(result.charAt(0))) {
return isUpperCase ? result.toString() : decapitalizeName(result.toString());
}
return "_" + result;
}
/**
* Returns a valid fully qualified class name from a QName.
* @param namespace
* @param name
* @return a valid fully qualified class name from a QName
*/
public static String getFullyQualifiedClassNameFromQName(String namespace, String name) {
return XMLNameUtil.getPackageNameFromNamespace(namespace) + '.'
+ XMLNameUtil.getJavaNameFromXMLName(name, true);
}
/**
* Decapitalize a name.
* @param name
* @return a decapitalized name
*/
public static String decapitalizeName(String name) {
if (name.length() == 0) {
return name;
} else {
String lowerName = name.toLowerCase();
int i;
for (i = 0; i < name.length(); i++) {
if (name.charAt(i) == lowerName.charAt(i)) {
break;
}
}
if (i > 1 && i < name.length()) {
--i;
}
return name.substring(0, i).toLowerCase() + name.substring(i);
}
}
/**
* Capitalize a name.
* @param name
* @return a capitalized name
*/
public static String capitalizeName(String name) {
int l = name.length();
if (l == 0) {
return name;
} else if (l == 1) {
return name.toUpperCase();
} else {
return name.substring(0, 1).toUpperCase() + name.substring(1);
}
}
}
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