javax.xml.transform.stream.StreamResult#setWriter ( )源码实例Demo

public static String formatMetadata(String input, int indent) {
    input = input.replace("> <", "><");
    try {
        Source xmlInput = new StreamSource(new StringReader(input));
        StringWriter stringWriter = new StringWriter();
        StreamResult xmlOutput = new StreamResult(stringWriter);
        StringWriter sw = new StringWriter();
        xmlOutput.setWriter(sw);
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        transformerFactory.setAttribute("indent-number", indent);
        Transformer transformer = transformerFactory.newTransformer();
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "" + indent);
        transformer.transform(xmlInput, xmlOutput);

        return xmlOutput.getWriter().toString();
    } catch (IllegalArgumentException | TransformerException e) {
        return input;
    }
}
 

public static String getSourceAsString(Source s) throws Exception {
    try {
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        transformerFactory.setFeature(javax.xml.XMLConstants.FEATURE_SECURE_PROCESSING, true);
        Transformer transformer = transformerFactory.newTransformer();
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        try (Writer out = new StringWriter()) {
            StreamResult streamResult = new StreamResult();
            streamResult.setWriter(out);
            transformer.transform(s, streamResult);
            return streamResult.getWriter().toString();
        }
    } catch (TransformerException te) {
        if ("javax.xml.transform.stax.StAXSource".equals(s.getClass().getName())) {
            //on java6, we will get this class if "stax" is configured
            //for the preferred type. However, older xalans don't know about it
            //we'll manually do it
            XMLStreamReader r = (XMLStreamReader)s.getClass().getMethod("getXMLStreamReader").invoke(s);
            return StaxUtils.toString(StaxUtils.read(r).getDocumentElement());
        }
        throw te;
    }
}
 

public String getXML() {
  try {
    StringWriter stringWriter = new StringWriter();
    StreamResult result = new StreamResult();
    result.setWriter( stringWriter );
    TransformerFactory factory = TransformerFactory.newInstance();
    Document doc = getDocument();
    if ( doc != null ) {
      factory.newTransformer().transform( new DOMSource( doc ), result );
      return stringWriter.getBuffer().toString();
    }
  } catch ( Exception e ) {
    logger.error( Messages.getErrorString( "MQLQuery.ERROR_0013_GET_XML_FAILED" ), e ); //$NON-NLS-1$
  }
  return null;
}
 

public String toXML( final Query query ) {
  if ( query == null ) {
    logger.error( Messages.getErrorString( "QueryXmlHelper.ERROR_0000_QUERY_MUST_NOT_BE_NULL" ) ); //$NON-NLS-1$
    return null;
  }

  try {
    StringWriter stringWriter = new StringWriter();
    StreamResult result = new StreamResult();
    result.setWriter( stringWriter );
    TransformerFactory factory = TransformerFactory.newInstance();
    Document doc = toDocument( query );
    if ( doc != null ) {
      factory.newTransformer().transform( new DOMSource( doc ), result );
      return stringWriter.getBuffer().toString();
    }
  } catch ( Exception e ) {
    logger.error( Messages.getErrorString( "QueryXmlHelper.ERROR_0001_TO_XML_FAILED" ), e ); //$NON-NLS-1$
  }
  return null;
}
 

public String generateXmi( Domain domain ) {
  if ( domain == null ) {
    logger.error( Messages.getErrorString( "XmiParser.ERROR_0001_DOMAIN_NULL" ) ); //$NON-NLS-1$
    return null;
  }

  try {
    StringWriter stringWriter = new StringWriter();
    StreamResult result = new StreamResult();
    result.setWriter( stringWriter );
    TransformerFactory factory = TransformerFactory.newInstance();
    Document doc = toXmiDocument( domain );
    if ( doc != null ) {
      factory.newTransformer().transform( new DOMSource( doc ), result );
      return stringWriter.getBuffer().toString();
    }
  } catch ( Exception e ) {
    logger.error( Messages.getErrorString( "XmiParser.ERROR_0002_TO_XML_FAILED" ), e ); //$NON-NLS-1$
  }
  return null;
}
 

/** StreamResult object is re-used and the values are set appropriately.
 */
StreamResult toStreamResult(OutputStream os, Writer writer, String systemId){
    StreamResult sr = new StreamResult();
    sr.setOutputStream(os);
    sr.setWriter(writer);
    sr.setSystemId(systemId);
    return sr;
}
 

/** StreamResult object is re-used and the values are set appropriately.
 */
StreamResult toStreamResult(OutputStream os, Writer writer, String systemId){
    StreamResult sr = new StreamResult();
    sr.setOutputStream(os);
    sr.setWriter(writer);
    sr.setSystemId(systemId);
    return sr;
}
 

@Override
public Result createOutput(String namespaceUri, String suggestedFileName) throws IOException {
	sw = new StringWriter();
	StreamResult sr = new StreamResult();

	// If it's not set - schemagen throws AssertionError
	sr.setSystemId(String.valueOf(System.currentTimeMillis()));

	sr.setWriter(sw);
	return sr;
}
 

/** StreamResult object is re-used and the values are set appropriately.
 */
StreamResult toStreamResult(OutputStream os, Writer writer, String systemId){
    StreamResult sr = new StreamResult();
    sr.setOutputStream(os);
    sr.setWriter(writer);
    sr.setSystemId(systemId);
    return sr;
}
 

/** StreamResult object is re-used and the values are set appropriately.
 */
StreamResult toStreamResult(OutputStream os, Writer writer, String systemId){
    StreamResult sr = new StreamResult();
    sr.setOutputStream(os);
    sr.setWriter(writer);
    sr.setSystemId(systemId);
    return sr;
}
 

/**
 * StreamResult object is re-used and the values are set appropriately.
 */
StreamResult toStreamResult(OutputStream os, Writer writer, String systemId) {
    StreamResult sr = new StreamResult();
    sr.setOutputStream(os);
    sr.setWriter(writer);
    sr.setSystemId(systemId);
    return sr;
}
 

/** StreamResult object is re-used and the values are set appropriately.
 */
StreamResult toStreamResult(OutputStream os, Writer writer, String systemId){
    StreamResult sr = new StreamResult();
    sr.setOutputStream(os);
    sr.setWriter(writer);
    sr.setSystemId(systemId);
    return sr;
}
 

/** StreamResult object is re-used and the values are set appropriately.
 */
StreamResult toStreamResult(OutputStream os, Writer writer, String systemId){
    StreamResult sr = new StreamResult();
    sr.setOutputStream(os);
    sr.setWriter(writer);
    sr.setSystemId(systemId);
    return sr;
}
 

/** StreamResult object is re-used and the values are set appropriately.
 */
StreamResult toStreamResult(OutputStream os, Writer writer, String systemId){
    StreamResult sr = new StreamResult();
    sr.setOutputStream(os);
    sr.setWriter(writer);
    sr.setSystemId(systemId);
    return sr;
}
 

/** StreamResult object is re-used and the values are set appropriately.
 */
StreamResult toStreamResult(OutputStream os, Writer writer, String systemId){
    StreamResult sr = new StreamResult();
    sr.setOutputStream(os);
    sr.setWriter(writer);
    sr.setSystemId(systemId);
    return sr;
}
 

public static String getSourceAsString(Source s) throws Exception {
    TransformerFactory transformerFactory = TransformerFactory.newInstance();
    transformerFactory.setFeature(javax.xml.XMLConstants.FEATURE_SECURE_PROCESSING, true);
    Transformer transformer = transformerFactory.newTransformer();
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
    transformer.setOutputProperty(OutputKeys.METHOD, "xml");
    Writer out = new StringWriter();
    StreamResult streamResult = new StreamResult();
    streamResult.setWriter(out);
    transformer.transform(s, streamResult);
    return streamResult.getWriter().toString();
}
 

public synchronized void writeXML(Document document, Writer writer) throws TransformerException {
    StreamResult streamResult = new StreamResult();
    streamResult.setWriter(writer);
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.transform(new DOMSource(document), streamResult);
}