| /** |
| * 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.XMLSecCharacters; |
| import org.apache.xml.security.stax.ext.stax.XMLSecEndElement; |
| import org.apache.xml.security.stax.ext.stax.XMLSecEvent; |
| import org.apache.xml.security.stax.ext.stax.XMLSecStartElement; |
| |
| import javax.xml.namespace.QName; |
| import javax.xml.stream.Location; |
| import javax.xml.stream.XMLStreamException; |
| import java.io.Writer; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.NoSuchElementException; |
| |
| /** |
| */ |
| public abstract class XMLSecEventBaseImpl implements XMLSecEvent { |
| |
| private static final EmptyIterator EMPTY_ITERATOR = new EmptyIterator(); |
| protected XMLSecStartElement parentXMLSecStartELement; |
| |
| @SuppressWarnings("unchecked") |
| protected static <T> EmptyIterator<T> getEmptyIterator() { |
| return (EmptyIterator<T>)EMPTY_ITERATOR; |
| } |
| |
| @Override |
| public void setParentXMLSecStartElement(XMLSecStartElement xmlSecStartElement) { |
| this.parentXMLSecStartELement = xmlSecStartElement; |
| } |
| |
| @Override |
| public XMLSecStartElement getParentXMLSecStartElement() { |
| return parentXMLSecStartELement; |
| } |
| |
| @Override |
| public int getDocumentLevel() { |
| if (parentXMLSecStartELement != null) { |
| return parentXMLSecStartELement.getDocumentLevel(); |
| } |
| return 0; |
| } |
| |
| @Override |
| public void getElementPath(List<QName> list) { |
| if (parentXMLSecStartELement != null) { |
| parentXMLSecStartELement.getElementPath(list); |
| } |
| } |
| |
| @Override |
| public List<QName> getElementPath() { |
| final List<QName> elementPath = new ArrayList<>(); |
| getElementPath(elementPath); |
| return elementPath; |
| } |
| |
| @Override |
| public XMLSecStartElement getStartElementAtLevel(int level) { |
| if (getDocumentLevel() < level) { |
| return null; |
| } |
| return parentXMLSecStartELement.getStartElementAtLevel(level); |
| } |
| |
| @Override |
| public Location getLocation() { |
| return new LocationImpl(); |
| } |
| |
| @Override |
| public boolean isStartElement() { |
| return false; |
| } |
| |
| @Override |
| public boolean isAttribute() { |
| return false; |
| } |
| |
| @Override |
| public boolean isNamespace() { |
| return false; |
| } |
| |
| @Override |
| public boolean isEndElement() { |
| return false; |
| } |
| |
| @Override |
| public boolean isEntityReference() { |
| return false; |
| } |
| |
| @Override |
| public boolean isProcessingInstruction() { |
| return false; |
| } |
| |
| @Override |
| public boolean isCharacters() { |
| return false; |
| } |
| |
| @Override |
| public boolean isStartDocument() { |
| return false; |
| } |
| |
| @Override |
| public boolean isEndDocument() { |
| return false; |
| } |
| |
| @Override |
| public XMLSecStartElement asStartElement() { |
| throw new ClassCastException(); |
| } |
| |
| @Override |
| public XMLSecEndElement asEndElement() { |
| throw new ClassCastException(); |
| } |
| |
| @Override |
| public XMLSecCharacters asCharacters() { |
| throw new ClassCastException(); |
| } |
| |
| @Override |
| public QName getSchemaType() { |
| return null; |
| } |
| |
| @Override |
| public void writeAsEncodedUnicode(Writer writer) throws XMLStreamException { |
| throw new UnsupportedOperationException( |
| "writeAsEncodedUnicode not implemented for " + this.getClass().getName()); |
| } |
| |
| static final class LocationImpl implements Location { |
| |
| @Override |
| public int getLineNumber() { |
| return 0; |
| } |
| |
| @Override |
| public int getColumnNumber() { |
| return 0; |
| } |
| |
| @Override |
| public int getCharacterOffset() { |
| return 0; |
| } |
| |
| @Override |
| public String getPublicId() { |
| return null; |
| } |
| |
| @Override |
| public String getSystemId() { |
| return null; |
| } |
| } |
| |
| private static final class EmptyIterator<E> implements Iterator<E> { |
| @Override |
| public boolean hasNext() { |
| return false; |
| } |
| |
| @Override |
| public E next() { |
| throw new NoSuchElementException(); |
| } |
| |
| @Override |
| public void remove() { |
| throw new IllegalStateException(); |
| } |
| } |
| } |