samples.typed.TypedStreamBufferConvert Maven / Gradle / Ivy
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package samples.typed;
import com.sun.xml.analysis.types.SchemaProcessor;
import com.sun.xml.fastinfoset.sax.SAXDocumentParser;
import com.sun.xml.fastinfoset.sax.SAXDocumentSerializer;
import com.sun.xml.fastinfoset.streambuffer.FastInfosetReaderSAXBufferCreator;
import com.sun.xml.fastinfoset.streambuffer.FastInfosetWriterSAXBufferProcessor;
import com.sun.xml.fastinfoset.streambuffer.TypedSAXBufferCreator;
import com.sun.xml.stream.buffer.MutableXMLStreamBuffer;
import com.sun.xml.stream.buffer.XMLStreamBuffer;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import org.jvnet.fastinfoset.sax.FastInfosetReader;
import org.jvnet.fastinfoset.sax.FastInfosetWriter;
/**
* Example of converting from lexical space to value space
* using typed stream buffer and encoding the result as a fast infoset document.
*
* @author [email protected]
*/
public class TypedStreamBufferConvert {
/**
* Parse an XML document and convert to a typed stream buffer
* using a schema to convert content from lexical space to value space.
* Serialize the typed stream buffer to a fast infoset document.
* Parse the fast infoset document to a typed stream buffer.
*
* Arg 0 is the path to the schema (XSD or RNG).
*
* Arg 1 is the path to the XML document to be converted.
*
*/
public static void main(String[] args) throws Exception {
/*
Process the schema to obtain a mapping of attribute/element
local name to a set of XS data types.
*/
SchemaProcessor sp = new SchemaProcessor(new File(args[0]).toURI().toURL());
sp.process();
/*
Create the typed stream buffer
*/
XMLStreamBuffer typedSource = TypedSAXBufferCreator.create(
sp.getElementToXSDataTypeMap(),
sp.getAttributeToXSDataTypeMap(),
new BufferedInputStream(new FileInputStream(args[1])));
/*
Serialize the typed stream buffer to a fast infoset document
*/
ByteArrayOutputStream fiDocumentOut = new ByteArrayOutputStream();
FastInfosetWriter fiWriter = new SAXDocumentSerializer();
fiWriter.setOutputStream(fiDocumentOut);
FastInfosetWriterSAXBufferProcessor p =
new FastInfosetWriterSAXBufferProcessor(typedSource);
p.process(fiWriter);
/*
Parse the fast infoset document to a typed stream buffer
*/
ByteArrayInputStream fiDocumentIn = new ByteArrayInputStream(fiDocumentOut.toByteArray());
FastInfosetReader fiReader = new SAXDocumentParser();
FastInfosetReaderSAXBufferCreator c = new FastInfosetReaderSAXBufferCreator();
MutableXMLStreamBuffer typedSink = c.create(fiReader, fiDocumentIn);
}
}