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Apache XML Security for Java supports XML-Signature Syntax and Processing,
W3C Recommendation 12 February 2002, and XML Encryption Syntax and
Processing, W3C Recommendation 10 December 2002. As of version 1.4,
the library supports the standard Java API JSR-105: XML Digital Signature APIs.
/**
* 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 org.apache.xml.security.stax.ext.stax.XMLSecStartElement;
import javax.xml.namespace.NamespaceContext;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import java.io.IOException;
import java.io.Writer;
import java.util.*;
/**
* @author $Author: giger $
* @version $Revision: 1659901 $ $Date: 2015-02-15 09:11:24 +0000 (Sun, 15 Feb 2015) $
*/
public class XMLSecStartElementImpl extends XMLSecEventBaseImpl implements XMLSecStartElement {
private final QName elementName;
private XMLSecNamespace elementNamespace;
private List attributes = Collections.emptyList();
private List namespaces = Collections.emptyList();
public XMLSecStartElementImpl(QName elementName, List attributes, List namespaces, XMLSecStartElement parentXmlSecStartElement) {
this.elementName = elementName;
setParentXMLSecStartElement(parentXmlSecStartElement);
if (attributes != null) {
this.attributes = attributes;
}
if (namespaces != null) {
this.namespaces = namespaces;
}
}
public XMLSecStartElementImpl(QName elementName, Collection attributes, Collection namespaces) {
this.elementName = elementName;
if (attributes != null && !attributes.isEmpty()) {
this.attributes = new ArrayList(attributes);
}
if (namespaces != null && !namespaces.isEmpty()) {
this.namespaces = new ArrayList(namespaces);
}
}
@Override
public QName getName() {
return elementName;
}
@Override
public XMLSecNamespace getElementNamespace() {
if (this.elementNamespace == null) {
this.elementNamespace = XMLSecNamespaceImpl.getInstance(this.elementName.getPrefix(), this.elementName.getNamespaceURI());
}
return this.elementNamespace;
}
@Override
public Iterator getAttributes() {
if (attributes.isEmpty()) {
return getEmptyIterator();
}
return attributes.iterator();
}
@Override
public void getAttributesFromCurrentScope(List comparableAttributeList) {
comparableAttributeList.addAll(attributes);
if (parentXMLSecStartELement != null) {
parentXMLSecStartELement.getAttributesFromCurrentScope(comparableAttributeList);
}
}
@Override
public List getOnElementDeclaredAttributes() {
return this.attributes;
}
@Override
public void addAttribute(XMLSecAttribute xmlSecAttribute) {
if (this.attributes == Collections.emptyList()) {
this.attributes = new ArrayList(1);
}
this.attributes.add(xmlSecAttribute);
}
@Override
public int getDocumentLevel() {
return super.getDocumentLevel() + 1;
}
@Override
public void getElementPath(List list) {
super.getElementPath(list);
list.add(this.getName());
}
@Override
public XMLSecStartElement getStartElementAtLevel(int level) {
int thisLevel = getDocumentLevel();
if (thisLevel < level) {
return null;
} else if (thisLevel == level) {
return this;
} else {
return parentXMLSecStartELement.getStartElementAtLevel(level);
}
}
@Override
public Iterator getNamespaces() {
if (namespaces.isEmpty()) {
return getEmptyIterator();
}
return namespaces.iterator();
}
@Override
public void getNamespacesFromCurrentScope(List comparableNamespaceList) {
if (parentXMLSecStartELement != null) {
parentXMLSecStartELement.getNamespacesFromCurrentScope(comparableNamespaceList);
}
comparableNamespaceList.addAll(namespaces);
}
@Override
public List getOnElementDeclaredNamespaces() {
return this.namespaces;
}
@Override
public void addNamespace(XMLSecNamespace xmlSecNamespace) {
if (this.namespaces == Collections.emptyList()) {
this.namespaces = new ArrayList(1);
}
this.namespaces.add(xmlSecNamespace);
}
@Override
public XMLSecAttribute getAttributeByName(QName name) {
for (int i = 0; i < attributes.size(); i++) {
XMLSecAttribute comparableAttribute = attributes.get(i);
if (name.equals(comparableAttribute.getName())) {
return comparableAttribute;
}
}
return null;
}
@Override
public NamespaceContext getNamespaceContext() {
return new NamespaceContext() {
@Override
public String getNamespaceURI(String prefix) {
for (int i = 0; i < namespaces.size(); i++) {
XMLSecNamespace comparableNamespace = namespaces.get(i);
if (prefix.equals(comparableNamespace.getPrefix())) {
return comparableNamespace.getNamespaceURI();
}
}
if (parentXMLSecStartELement != null) {
return parentXMLSecStartELement.getNamespaceURI(prefix);
}
return null;
}
@Override
public String getPrefix(String namespaceURI) {
for (int i = 0; i < namespaces.size(); i++) {
XMLSecNamespace comparableNamespace = namespaces.get(i);
if (namespaceURI.equals(comparableNamespace.getNamespaceURI())) {
return comparableNamespace.getPrefix();
}
}
if (parentXMLSecStartELement != null) {
return parentXMLSecStartELement.getNamespaceContext().getPrefix(namespaceURI);
}
return null;
}
@SuppressWarnings("rawtypes")
@Override
public Iterator getPrefixes(String namespaceURI) {
Set prefixes = new HashSet();
List xmlSecNamespaces = new ArrayList();
getNamespacesFromCurrentScope(xmlSecNamespaces);
for (int i = 0; i < xmlSecNamespaces.size(); i++) {
XMLSecNamespace xmlSecNamespace = xmlSecNamespaces.get(i);
if (namespaceURI.equals(xmlSecNamespace.getNamespaceURI())) {
prefixes.add(xmlSecNamespace.getPrefix());
}
}
return prefixes.iterator();
}
};
}
@Override
public String getNamespaceURI(String prefix) {
for (int i = 0; i < namespaces.size(); i++) {
XMLSecNamespace comparableNamespace = namespaces.get(i);
if (prefix.equals(comparableNamespace.getPrefix())) {
return comparableNamespace.getNamespaceURI();
}
}
if (parentXMLSecStartELement != null) {
return parentXMLSecStartELement.getNamespaceURI(prefix);
}
return null;
}
@Override
public int getEventType() {
return XMLStreamConstants.START_ELEMENT;
}
@Override
public boolean isStartElement() {
return true;
}
@Override
public XMLSecStartElement asStartElement() {
return this;
}
@Override
public void writeAsEncodedUnicode(Writer writer) throws XMLStreamException {
try {
writer.write('<');
final String prefix = getName().getPrefix();
if (prefix != null && !prefix.isEmpty()) {
writer.write(prefix);
writer.write(':');
}
writer.write(getName().getLocalPart());
for (XMLSecNamespace xmlSecNamespace : namespaces) {
writer.write(" xmlns");
final String nsPrefix = xmlSecNamespace.getPrefix();
if (nsPrefix != null && !nsPrefix.isEmpty()) {
writer.write(':');
writer.write(nsPrefix);
}
writer.write("=\"");
writer.write(xmlSecNamespace.getValue());
writer.write('"');
}
for (XMLSecAttribute xmlSecAttribute : attributes) {
writer.write(' ');
final String attrPrefix = xmlSecAttribute.getName().getPrefix();
if (attrPrefix != null && !attrPrefix.isEmpty()) {
writer.write(attrPrefix);
writer.write(':');
}
writer.write(xmlSecAttribute.getName().getLocalPart());
writer.write("=\"");
writer.write(xmlSecAttribute.getValue());
writer.write('"');
}
writer.write('>');
} catch (IOException e) {
throw new XMLStreamException(e);
}
}
}