| /* Copyright 2004 The Apache Software Foundation |
| * |
| * 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.xmlbeans.impl.common; |
| |
| import org.apache.xmlbeans.xml.stream.XMLName; |
| import javax.xml.namespace.QName; |
| import java.io.UnsupportedEncodingException; |
| |
| public class XMLNameHelper |
| { |
| public static QName getQName(XMLName xmlName) |
| { |
| if (xmlName == null) |
| return null; |
| |
| return QNameHelper.forLNS( xmlName.getLocalName(), xmlName.getNamespaceUri() ); |
| } |
| |
| public static XMLName forLNS(String localname, String uri) |
| { |
| if (uri == null) |
| uri = ""; |
| return new XmlNameImpl(uri, localname); |
| } |
| |
| public static XMLName forLN(String localname) |
| { |
| return new XmlNameImpl("", localname); |
| } |
| |
| public static XMLName forPretty(String pretty, int offset) |
| { |
| int at = pretty.indexOf('@', offset); |
| if (at < 0) |
| return new XmlNameImpl("", pretty.substring(offset)); |
| return new XmlNameImpl(pretty.substring(at + 1), pretty.substring(offset, at)); |
| } |
| |
| public static String pretty(XMLName name) |
| { |
| if (name == null) |
| return "null"; |
| |
| if (name.getNamespaceUri() == null || name.getNamespaceUri().length() == 0) |
| return name.getLocalName(); |
| |
| return name.getLocalName() + "@" + name.getNamespaceUri(); |
| } |
| |
| private static final char[] hexdigits = new char[] |
| {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'}; |
| |
| private static boolean isSafe(int c) |
| { |
| if (c >= 'a' && c <= 'z') |
| return true; |
| if (c >= 'A' && c <= 'Z') |
| return true; |
| if (c >= '0' && c <= '9') |
| return true; |
| return false; |
| } |
| |
| public static String hexsafe(String s) |
| { |
| StringBuffer result = new StringBuffer(); |
| for (int i = 0; i < s.length(); i++) |
| { |
| char ch = s.charAt(i); |
| if (isSafe(ch)) |
| { |
| result.append(ch); |
| } |
| else |
| { |
| byte[] utf8 = null; |
| try |
| { |
| utf8 = s.substring(i, i + 1).getBytes("UTF-8"); |
| for (int j = 0; j < utf8.length; j++) |
| { |
| result.append('_'); |
| result.append(hexdigits[(utf8[j] >> 4) & 0xF]); |
| result.append(hexdigits[utf8[j] & 0xF]); |
| } |
| } |
| catch(UnsupportedEncodingException uee) |
| { |
| // should never happen - UTF-8 is always supported |
| result.append("_BAD_UTF8_CHAR"); |
| } |
| } |
| } |
| return result.toString(); |
| } |
| |
| public static String hexsafedir(XMLName name) |
| { |
| if (name.getNamespaceUri() == null || name.getNamespaceUri().length() == 0) |
| return "_nons/" + hexsafe(name.getLocalName()); |
| return hexsafe(name.getNamespaceUri()) + "/" + hexsafe(name.getLocalName()); |
| } |
| } |