| /* ReaderDelegate.java -- |
| Copyright (C) 2005,2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package javax.xml.stream.util; |
| |
| import javax.xml.namespace.NamespaceContext; |
| import javax.xml.namespace.QName; |
| import javax.xml.stream.Location; |
| import javax.xml.stream.XMLStreamConstants; |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.XMLStreamReader; |
| |
| /** |
| * Base class for XML stream reader filters. |
| */ |
| public class ReaderDelegate |
| implements XMLStreamReader, XMLStreamConstants |
| { |
| |
| private XMLStreamReader parent; |
| |
| /** |
| * Constructs an empty filter with no parent set. |
| */ |
| public ReaderDelegate() |
| { |
| } |
| |
| /** |
| * Constructs an empty filter with the specfied parent. |
| */ |
| public ReaderDelegate(XMLStreamReader reader) |
| { |
| parent = reader; |
| } |
| |
| /** |
| * Sets the parent. |
| */ |
| public void setParent(XMLStreamReader reader) |
| { |
| parent = reader; |
| } |
| |
| /** |
| * Returns the parent. |
| */ |
| public XMLStreamReader getParent() |
| { |
| return parent; |
| } |
| |
| public int next() |
| throws XMLStreamException |
| { |
| if (parent != null) |
| return parent.next(); |
| throw new XMLStreamException(); |
| } |
| |
| public int nextTag() |
| throws XMLStreamException |
| { |
| if (parent != null) |
| return parent.nextTag(); |
| throw new XMLStreamException(); |
| } |
| |
| public String getElementText() |
| throws XMLStreamException |
| { |
| if (parent != null) |
| return parent.getElementText(); |
| throw new XMLStreamException(); |
| } |
| |
| public void require(int type, String namespaceURI, String localName) |
| throws XMLStreamException |
| { |
| if (parent != null) |
| parent.require(type, namespaceURI, localName); |
| } |
| |
| public boolean hasNext() |
| throws XMLStreamException |
| { |
| if (parent != null) |
| return parent.hasNext(); |
| return false; |
| } |
| |
| public void close() |
| throws XMLStreamException |
| { |
| if (parent != null) |
| parent.close(); |
| } |
| |
| public String getNamespaceURI(String prefix) |
| { |
| if (parent != null) |
| return parent.getNamespaceURI(prefix); |
| return null; |
| } |
| |
| public NamespaceContext getNamespaceContext() |
| { |
| if (parent != null) |
| return parent.getNamespaceContext(); |
| return null; |
| } |
| |
| public boolean isStartElement() |
| { |
| if (parent != null) |
| return parent.isStartElement(); |
| return false; |
| } |
| |
| public boolean isEndElement() |
| { |
| if (parent != null) |
| return parent.isEndElement(); |
| return false; |
| } |
| |
| public boolean isCharacters() |
| { |
| if (parent != null) |
| return parent.isCharacters(); |
| return false; |
| } |
| |
| public boolean isWhiteSpace() |
| { |
| if (parent != null) |
| return parent.isWhiteSpace(); |
| return false; |
| } |
| |
| public String getAttributeValue(String namespaceUri, String localName) |
| { |
| if (parent != null) |
| return parent.getAttributeValue(namespaceUri, localName); |
| return null; |
| } |
| |
| public int getAttributeCount() |
| { |
| if (parent != null) |
| return parent.getAttributeCount(); |
| return 0; |
| } |
| |
| public QName getAttributeName(int index) |
| { |
| if (parent != null) |
| return parent.getAttributeName(index); |
| return null; |
| } |
| |
| public String getAttributePrefix(int index) |
| { |
| if (parent != null) |
| return parent.getAttributePrefix(index); |
| return null; |
| } |
| |
| public String getAttributeNamespace(int index) |
| { |
| if (parent != null) |
| return parent.getAttributeNamespace(index); |
| return null; |
| } |
| |
| public String getAttributeLocalName(int index) |
| { |
| if (parent != null) |
| return parent.getAttributeLocalName(index); |
| return null; |
| } |
| |
| public String getAttributeType(int index) |
| { |
| if (parent != null) |
| return parent.getAttributeType(index); |
| return null; |
| } |
| |
| public String getAttributeValue(int index) |
| { |
| if (parent != null) |
| return parent.getAttributeValue(index); |
| return null; |
| } |
| |
| public boolean isAttributeSpecified(int index) |
| { |
| if (parent != null) |
| return parent.isAttributeSpecified(index); |
| return false; |
| } |
| |
| public int getNamespaceCount() |
| { |
| if (parent != null) |
| return parent.getNamespaceCount(); |
| return 0; |
| } |
| |
| public String getNamespacePrefix(int index) |
| { |
| if (parent != null) |
| return parent.getNamespacePrefix(index); |
| return null; |
| } |
| |
| public String getNamespaceURI(int index) |
| { |
| if (parent != null) |
| return parent.getNamespaceURI(index); |
| return null; |
| } |
| |
| public int getEventType() |
| { |
| if (parent != null) |
| return parent.getEventType(); |
| return 0; |
| } |
| |
| public String getText() |
| { |
| if (parent != null) |
| return parent.getText(); |
| return null; |
| } |
| |
| public int getTextCharacters(int sourceStart, char[] target, |
| int targetStart, int length) |
| throws XMLStreamException |
| { |
| if (parent != null) |
| return parent.getTextCharacters(sourceStart, target, targetStart, length); |
| return 0; |
| } |
| |
| public char[] getTextCharacters() |
| { |
| if (parent != null) |
| return parent.getTextCharacters(); |
| return null; |
| } |
| |
| public int getTextStart() |
| { |
| if (parent != null) |
| return parent.getTextStart(); |
| return 0; |
| } |
| |
| public int getTextLength() |
| { |
| if (parent != null) |
| return parent.getTextLength(); |
| return 0; |
| } |
| |
| public String getEncoding() |
| { |
| if (parent != null) |
| return parent.getEncoding(); |
| return null; |
| } |
| |
| public boolean hasText() |
| { |
| if (parent != null) |
| return parent.hasText(); |
| return false; |
| } |
| |
| public Location getLocation() |
| { |
| if (parent != null) |
| return parent.getLocation(); |
| return null; |
| } |
| |
| public QName getName() |
| { |
| if (parent != null) |
| return parent.getName(); |
| return null; |
| } |
| |
| public String getLocalName() |
| { |
| if (parent != null) |
| return parent.getLocalName(); |
| return null; |
| } |
| |
| public boolean hasName() |
| { |
| if (parent != null) |
| return parent.hasName(); |
| return false; |
| } |
| |
| public String getNamespaceURI() |
| { |
| if (parent != null) |
| return parent.getNamespaceURI(); |
| return null; |
| } |
| |
| public String getPrefix() |
| { |
| if (parent != null) |
| return parent.getPrefix(); |
| return null; |
| } |
| |
| public String getVersion() |
| { |
| if (parent != null) |
| return parent.getVersion(); |
| return null; |
| } |
| |
| public boolean isStandalone() |
| { |
| if (parent != null) |
| return parent.isStandalone(); |
| return false; |
| } |
| |
| public boolean standaloneSet() |
| { |
| if (parent != null) |
| return parent.standaloneSet(); |
| return false; |
| } |
| |
| public String getCharacterEncodingScheme() |
| { |
| if (parent != null) |
| return parent.getCharacterEncodingScheme(); |
| return null; |
| } |
| |
| public String getPITarget() |
| { |
| if (parent != null) |
| return parent.getPITarget(); |
| return null; |
| } |
| |
| public String getPIData() |
| { |
| if (parent != null) |
| return parent.getPIData(); |
| return null; |
| } |
| |
| public Object getProperty(String name) |
| { |
| if (parent != null) |
| return parent.getProperty(name); |
| throw new IllegalArgumentException(); |
| } |
| |
| } |
| |