| /* SAXSource.java -- |
| Copyright (C) 2004, 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 javax.xml.transform.sax; |
| |
| import java.io.InputStream; |
| import java.io.Reader; |
| import javax.xml.transform.Source; |
| import javax.xml.transform.stream.StreamSource; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.XMLReader; |
| |
| /** |
| * Specifies a SAX XML source. This is a tuple of input source and SAX |
| * parser. |
| * |
| * @author (a href='mailto:dog@gnu.org'>Chris Burdess</a) |
| */ |
| public class SAXSource |
| implements Source |
| { |
| |
| /** |
| * Factory feature indicating that SAX sources are supported. |
| */ |
| public static final String FEATURE = |
| "http://javax.xml.transform.sax.SAXSource/feature"; |
| |
| private XMLReader xmlReader; |
| private InputSource inputSource; |
| |
| /** |
| * Default constructor. |
| */ |
| public SAXSource() |
| { |
| } |
| |
| /** |
| * Constructor with a SAX parser and input source. |
| */ |
| public SAXSource(XMLReader reader, InputSource inputSource) |
| { |
| xmlReader = reader; |
| this.inputSource = inputSource; |
| } |
| |
| /** |
| * Constructor with an input source. |
| * The SAX parser will be instantiated by the transformer. |
| */ |
| public SAXSource(InputSource inputSource) |
| { |
| this.inputSource = inputSource; |
| } |
| |
| /** |
| * Sets the SAX parser to be used by this source. |
| * If null, the transformer will instantiate its own parser. |
| */ |
| public void setXMLReader(XMLReader reader) |
| { |
| xmlReader = reader; |
| } |
| |
| /** |
| * Returns the SAX parser to be used by this source. |
| * If null, the transformer will instantiate its own parser. |
| */ |
| public XMLReader getXMLReader() |
| { |
| return xmlReader; |
| } |
| |
| /** |
| * Sets the input source to parse. |
| */ |
| public void setInputSource(InputSource inputSource) |
| { |
| this.inputSource = inputSource; |
| } |
| |
| /** |
| * Returns the input source to parse. |
| */ |
| public InputSource getInputSource() |
| { |
| return inputSource; |
| } |
| |
| /** |
| * Sets the system ID for this source. |
| */ |
| public void setSystemId(String systemId) |
| { |
| if (inputSource != null) |
| { |
| inputSource.setSystemId(systemId); |
| } |
| } |
| |
| /** |
| * Returns the system ID for this source. |
| */ |
| public String getSystemId() |
| { |
| if (inputSource != null) |
| { |
| return inputSource.getSystemId(); |
| } |
| return null; |
| } |
| |
| /** |
| * Converts a source into a SAX input source. |
| * This method can use a StreamSource or the system ID. |
| * @return an input source or null |
| */ |
| public static InputSource sourceToInputSource(Source source) |
| { |
| InputSource in = null; |
| if (source instanceof SAXSource) |
| { |
| in = ((SAXSource) source).getInputSource(); |
| } |
| else if (source instanceof StreamSource) |
| { |
| StreamSource streamSource = (StreamSource) source; |
| InputStream inputStream = streamSource.getInputStream(); |
| if (inputStream != null) |
| { |
| in = new InputSource(inputStream); |
| } |
| else |
| { |
| Reader reader = streamSource.getReader(); |
| if (reader != null) |
| { |
| in = new InputSource(reader); |
| } |
| } |
| String publicId = streamSource.getPublicId(); |
| if (publicId != null && in != null) |
| { |
| in.setPublicId(publicId); |
| } |
| } |
| String systemId = source.getSystemId(); |
| if (systemId != null) |
| { |
| if (in == null) |
| { |
| in = new InputSource(systemId); |
| } |
| else |
| { |
| in.setSystemId(systemId); |
| } |
| } |
| return in; |
| } |
| |
| } |