| /* StAXWriter.java |
| Copyright (C) 2005 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.java.beans.encoder; |
| |
| import java.io.OutputStream; |
| |
| import javax.xml.stream.XMLOutputFactory; |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.XMLStreamWriter; |
| |
| /** A {@link Writer} implementation based on the StAX API. |
| * |
| * @author Robert Schuster (robertschuster@fsfe.org) |
| * |
| */ |
| public class StAXWriter implements Writer |
| { |
| XMLStreamWriter writer; |
| |
| int indent = 0; |
| |
| public StAXWriter(OutputStream os) |
| { |
| try |
| { |
| XMLOutputFactory factory = XMLOutputFactory.newInstance(); |
| writer = factory.createXMLStreamWriter(os); |
| } |
| catch (XMLStreamException se) |
| { |
| throw (InternalError) |
| new InternalError( |
| "Could not instantiate a streaming XML writer.") |
| .initCause(se); |
| } |
| |
| } |
| |
| public void flush() |
| { |
| if (writer != null) |
| { |
| try |
| { |
| writer.flush(); |
| } |
| catch (XMLStreamException xse) |
| { |
| // TODO: find out |
| } |
| } |
| |
| } |
| |
| public void close() |
| { |
| if (writer != null) |
| { |
| try |
| { |
| writer.close(); |
| } |
| catch (XMLStreamException xse) |
| { |
| // TODO: find out |
| } |
| writer = null; |
| } |
| |
| } |
| |
| public void writePreamble() |
| { |
| try |
| { |
| writer.writeStartDocument("UTF-8", "1.0"); |
| } |
| catch (XMLStreamException xmlse) |
| { |
| |
| } |
| } |
| |
| public void writeEnd(boolean wasEmpty) |
| { |
| try |
| { |
| indent -= 2; |
| |
| if (wasEmpty) |
| return; |
| |
| for (int i = 0; i < indent; i++) |
| writer.writeCharacters(" "); |
| |
| writer.writeEndElement(); |
| |
| writer.writeCharacters("\n"); |
| } |
| catch (XMLStreamException xmlse) |
| { |
| |
| } |
| } |
| |
| public void writeEndNoChildren() |
| { |
| try |
| { |
| writer.writeEndElement(); |
| writer.writeCharacters("\n"); |
| } |
| catch (XMLStreamException xmlse) |
| { |
| |
| } |
| } |
| |
| public void write(String tagName, boolean empty) |
| { |
| write(tagName, null, null, null, empty); |
| } |
| |
| public void write(String tagName, String value) |
| { |
| write(tagName, value, null, null, value == null); |
| } |
| |
| public void writeNoChildren(String tagName, String value) |
| { |
| try |
| { |
| for (int i = 0; i < indent; i++) |
| writer.writeCharacters(" "); |
| |
| writer.writeStartElement(tagName); |
| |
| writer.writeCharacters(value); |
| } |
| catch (XMLStreamException xmlse) |
| { |
| |
| } |
| } |
| |
| public void write(String tagName, String attributeName, |
| String attributeValue, boolean empty) |
| { |
| write(tagName, null, new String[] { attributeName }, |
| new String[] { attributeValue }, empty); |
| } |
| |
| public void write(String tagName, String value, String[] attributeNames, |
| String[] attributeValues, boolean empty) |
| { |
| try |
| { |
| for (int i = 0; i < indent; i++) |
| |
| writer.writeCharacters(" "); |
| |
| if (empty) |
| writer.writeEmptyElement(tagName); |
| else |
| writer.writeStartElement(tagName); |
| |
| if (attributeNames != null) |
| for (int i = 0; i < attributeNames.length; i++) |
| writer.writeAttribute(attributeNames[i], attributeValues[i]); |
| |
| writer.writeCharacters("\n"); |
| |
| indent += 2; |
| |
| if (value != null) |
| { |
| for (int i = 0; i < indent; i++) |
| writer.writeCharacters(" "); |
| |
| writer.writeCharacters(value); |
| |
| writer.writeCharacters("\n"); |
| } |
| } |
| catch (XMLStreamException xmlse) |
| { |
| |
| } |
| } |
| |
| public void write(String tagName, String[] attributeNames, |
| String[] attributeValues, boolean empty) |
| { |
| write(tagName, null, attributeNames, attributeValues, empty); |
| } |
| |
| } |