diff options
Diffstat (limited to 'sca-java-1.x/tags/java-M1-20060522/java/sca/model/src/main/java/org/apache/tuscany/model/util/XMLNameUtil.java')
| -rw-r--r-- | sca-java-1.x/tags/java-M1-20060522/java/sca/model/src/main/java/org/apache/tuscany/model/util/XMLNameUtil.java | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-20060522/java/sca/model/src/main/java/org/apache/tuscany/model/util/XMLNameUtil.java b/sca-java-1.x/tags/java-M1-20060522/java/sca/model/src/main/java/org/apache/tuscany/model/util/XMLNameUtil.java new file mode 100644 index 0000000000..f493356594 --- /dev/null +++ b/sca-java-1.x/tags/java-M1-20060522/java/sca/model/src/main/java/org/apache/tuscany/model/util/XMLNameUtil.java @@ -0,0 +1,212 @@ +/** + * + * 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); + } + } + +} |