| /* XMLEventAllocatorImpl.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 gnu.xml.stream; |
| |
| import java.util.HashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| 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; |
| import javax.xml.stream.events.EntityDeclaration; |
| import javax.xml.stream.events.XMLEvent; |
| import javax.xml.stream.util.XMLEventAllocator; |
| import javax.xml.stream.util.XMLEventConsumer; |
| |
| /** |
| * Allocator for creating XML events based on a reader state. |
| * |
| * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> |
| */ |
| public class XMLEventAllocatorImpl |
| implements XMLEventAllocator |
| { |
| |
| protected Map entityDeclarations; |
| |
| protected XMLEventAllocatorImpl() |
| { |
| entityDeclarations = new HashMap(); |
| } |
| |
| public XMLEvent allocate(XMLStreamReader reader) |
| throws XMLStreamException |
| { |
| String text; |
| boolean whitespace; |
| boolean ignorableWhitespace; |
| int len; |
| List namespaces; |
| int eventType = reader.getEventType(); |
| Location location = reader.getLocation(); |
| switch (eventType) |
| { |
| case XMLStreamConstants.CDATA: |
| text = reader.getText(); |
| whitespace = isWhitespace(text); |
| // TODO ignorableWhitespace |
| ignorableWhitespace = whitespace && false; |
| return new CharactersImpl(location, text, |
| whitespace, true, ignorableWhitespace); |
| case XMLStreamConstants.CHARACTERS: |
| text = reader.getText(); |
| whitespace = false; |
| // TODO ignorableWhitespace |
| ignorableWhitespace = whitespace && false; |
| return new CharactersImpl(location, text, |
| whitespace, false, ignorableWhitespace); |
| case XMLStreamConstants.COMMENT: |
| text = reader.getText(); |
| return new CommentImpl(location, text); |
| case XMLStreamConstants.DTD: |
| text = reader.getText(); |
| List notations = new LinkedList(); |
| List entities = new LinkedList(); |
| // TODO readDTDBody(notations, entities); |
| return new DTDImpl(location, text, null, notations, entities); |
| case XMLStreamConstants.END_DOCUMENT: |
| return new EndDocumentImpl(location); |
| case XMLStreamConstants.END_ELEMENT: |
| len = reader.getNamespaceCount(); |
| namespaces = new LinkedList(); |
| for (int i = 0; i < len; i++) |
| namespaces.add(new NamespaceImpl(location, |
| reader.getNamespacePrefix(i), |
| reader.getNamespaceURI(i))); |
| return new EndElementImpl(location, |
| reader.getName(), |
| namespaces); |
| case XMLStreamConstants.ENTITY_REFERENCE: |
| String name = reader.getLocalName(); |
| EntityDeclaration decl = |
| (EntityDeclaration) entityDeclarations.get(name); |
| return new EntityReferenceImpl(location, decl, name); |
| case XMLStreamConstants.PROCESSING_INSTRUCTION: |
| return new ProcessingInstructionImpl(location, |
| reader.getPITarget(), |
| reader.getPIData()); |
| case XMLStreamConstants.SPACE: |
| text = reader.getText(); |
| whitespace = true; |
| // TODO ignorableWhitespace |
| ignorableWhitespace = whitespace && false; |
| return new CharactersImpl(location, text, |
| whitespace, false, ignorableWhitespace); |
| case XMLStreamConstants.START_DOCUMENT: |
| String systemId = location.getSystemId(); |
| String encoding = reader.getCharacterEncodingScheme(); |
| boolean encodingDeclared = encoding != null; |
| if (encoding == null) |
| { |
| encoding = reader.getEncoding(); |
| if (encoding == null) |
| encoding = "UTF-8"; |
| } |
| String xmlVersion = reader.getVersion(); |
| if (xmlVersion == null) |
| xmlVersion = "1.0"; |
| boolean xmlStandalone = reader.isStandalone(); |
| boolean standaloneDeclared = reader.standaloneSet(); |
| return new StartDocumentImpl(location, |
| systemId, |
| encoding, |
| xmlVersion, |
| xmlStandalone, |
| standaloneDeclared, |
| encodingDeclared); |
| case XMLStreamConstants.START_ELEMENT: |
| len = reader.getNamespaceCount(); |
| namespaces = new LinkedList(); |
| for (int i = 0; i < len; i++) |
| namespaces.add(new NamespaceImpl(location, |
| reader.getNamespacePrefix(i), |
| reader.getNamespaceURI(i))); |
| len = reader.getAttributeCount(); |
| List attributes = new LinkedList(); |
| for (int i = 0; i < len; i++) |
| attributes.add(new AttributeImpl(location, |
| reader.getAttributeName(i), |
| reader.getAttributeValue(i), |
| QName.valueOf(reader.getAttributeType(i)), |
| reader.isAttributeSpecified(i))); |
| return new StartElementImpl(location, |
| reader.getName(), |
| attributes, namespaces, |
| reader.getNamespaceContext()); |
| default: |
| throw new XMLStreamException("Unknown event type: " + eventType); |
| } |
| } |
| |
| public void allocate(XMLStreamReader reader, XMLEventConsumer consumer) |
| throws XMLStreamException |
| { |
| consumer.add(allocate(reader)); |
| } |
| |
| public XMLEventAllocator newInstance() |
| { |
| return new XMLEventAllocatorImpl(); |
| } |
| |
| protected boolean isWhitespace(String text) |
| { |
| int len = text.length(); |
| for (int i = 0; i < len; i++) |
| { |
| char c = text.charAt(i); |
| if (c != 0x20 && c != 0x09 && c != 0x0a && c != 0x0d) |
| return false; |
| } |
| return true; |
| } |
| |
| } |
| |