XmlStreamToPs.java

package ch.elexis.fop.service.xmlstream;

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Map;

import org.apache.fop.apps.MimeConstants;

import ch.elexis.core.services.IFormattedOutput;

public class XmlStreamToPs implements IFormattedOutput
{
	private static XmlStreamToPs instance;
	
	private XmlStreamToPs(){
		
	}
	
	public static XmlStreamToPs getInstance(){
		if (instance == null)
			instance = new XmlStreamToPs();
		return instance;
	}
	
	@Override
	public void transform(Object xmlStream, InputStream xslt, OutputStream ps){
		transform(xmlStream, xslt, ps, null);
	}
	
	@Override
	public void transform(Object xmlStream, InputStream xslt, OutputStream ps,
		Map<String, String> transformerParameters){
		if (xmlStream instanceof ByteArrayOutputStream) {
			XmlStreamToMimeType.getInstance().transform((InputStream) xmlStream, xslt,
				ps, MimeConstants.MIME_POSTSCRIPT, transformerParameters);
			transform(xmlStream, xslt, ps, null);
		} else {
			throw new IllegalStateException(
				"Input Object [" + xmlStream + "] is not of type InputStream");
		}
	}
}