| /** |
| * 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.xml.security.stax.impl.stax; |
| |
| import org.apache.xml.security.stax.ext.stax.XMLSecAttribute; |
| import org.apache.xml.security.stax.ext.stax.XMLSecNamespace; |
| |
| import javax.xml.namespace.QName; |
| import javax.xml.stream.XMLStreamConstants; |
| import javax.xml.stream.XMLStreamException; |
| import java.io.IOException; |
| import java.io.Writer; |
| |
| /** |
| * Class to let XML-Attributes be comparable how it is requested by C14N |
| * |
| */ |
| public class XMLSecAttributeImpl extends XMLSecEventBaseImpl implements XMLSecAttribute { |
| |
| private final QName name; |
| private final String value; |
| private XMLSecNamespace attributeNamespace; |
| |
| public XMLSecAttributeImpl(QName name, String value) { |
| this.name = name; |
| this.value = value; |
| } |
| |
| @Override |
| public int compareTo(XMLSecAttribute o) { |
| //An element's attribute nodes are sorted lexicographically with namespace URI as the primary |
| //key and local name as the secondary key (an empty namespace URI is lexicographically least). |
| int namespacePartCompare = this.name.getNamespaceURI().compareTo(o.getName().getNamespaceURI()); |
| if (namespacePartCompare != 0) { |
| return namespacePartCompare; |
| } else { |
| return this.name.getLocalPart().compareTo(o.getName().getLocalPart()); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof XMLSecAttribute)) { |
| return false; |
| } |
| XMLSecAttribute comparableAttribute = (XMLSecAttribute) obj; |
| if (comparableAttribute.hashCode() != this.hashCode()) { |
| return false; |
| } |
| return comparableAttribute.getName().getLocalPart().equals(this.name.getLocalPart()); |
| } |
| |
| @Override |
| public int hashCode() { |
| //we don't have to cache the hashCode. The string class takes already care of it. |
| return this.name.getLocalPart().hashCode(); |
| } |
| |
| @Override |
| public XMLSecNamespace getAttributeNamespace() { |
| if (this.attributeNamespace == null) { |
| this.attributeNamespace = XMLSecNamespaceImpl.getInstance(this.name.getPrefix(), this.name.getNamespaceURI()); |
| } |
| return this.attributeNamespace; |
| } |
| |
| @Override |
| public QName getName() { |
| return name; |
| } |
| |
| @Override |
| public String getValue() { |
| return value; |
| } |
| |
| @Override |
| public String getDTDType() { |
| return "CDATA"; |
| } |
| |
| @Override |
| public boolean isSpecified() { |
| return true; |
| } |
| |
| @Override |
| public int getEventType() { |
| return XMLStreamConstants.ATTRIBUTE; |
| } |
| |
| @Override |
| public boolean isAttribute() { |
| return true; |
| } |
| |
| @Override |
| public void writeAsEncodedUnicode(Writer writer) throws XMLStreamException { |
| try { |
| final String prefix = getName().getPrefix(); |
| if (prefix != null && !prefix.isEmpty()) { |
| writer.write(prefix); |
| writer.write(':'); |
| } |
| writer.write(getName().getLocalPart()); |
| writer.write("=\""); |
| writeEncoded(writer, getValue()); |
| writer.write("\""); |
| } catch (IOException e) { |
| throw new XMLStreamException(e); |
| } |
| } |
| |
| private void writeEncoded(Writer writer, String text) throws IOException { |
| final int length = text.length(); |
| |
| int i = 0; |
| int idx = 0; |
| while (i < length) { |
| char c = text.charAt(i); |
| if (c == '&') { |
| writer.write(text, idx, i - idx); |
| writer.write("&"); |
| idx = i + 1; |
| } else if (c == '"') { |
| writer.write(text, idx, i - idx); |
| writer.write("""); |
| idx = i + 1; |
| } |
| i++; |
| } |
| writer.write(text, idx, length - idx); |
| } |
| } |