package com.xmlcalabash.extensions;
import com.xmlcalabash.io.ReadablePipe;
import com.xmlcalabash.io.WritablePipe;
import com.xmlcalabash.core.XProcRuntime;
import com.xmlcalabash.model.RuntimeValue;
import com.xmlcalabash.util.MessageFormatter;
import net.sf.saxon.s9api.SaxonApiException;
import net.sf.saxon.s9api.XdmNode;
import net.sf.saxon.s9api.QName;
import com.xmlcalabash.runtime.XAtomicStep;
import com.xmlcalabash.library.DefaultStep;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Created by IntelliJ IDEA.
* User: ndw
* Date: Oct 8, 2008
* Time: 7:44:07 AM
* To change this template use File | Settings | File Templates.
*/
public class Message extends DefaultStep {
private static final QName _message = new QName("","message");
private static final QName _log = new QName("","log");
private ReadablePipe source = null;
private WritablePipe result = null;
/**
* Creates a new instance of Identity
*/
public Message(XProcRuntime runtime, XAtomicStep step) {
super(runtime,step);
}
public void setInput(String port, ReadablePipe pipe) {
source = pipe;
}
public void setOutput(String port, WritablePipe pipe) {
result = pipe;
}
public void reset() {
source.resetReader();
result.resetWriter();
}
public void run() throws SaxonApiException {
super.run();
String message = getOption(_message).getString();
RuntimeValue loglevel = getOption(_log);
if (loglevel == null) {
System.err.println("Message: " + message);
} else {
String level = loglevel.getString();
if ("error".equals(level)) {
logger.error(message);
} else if ("warn".equals(level)) {
logger.warn(message);
} else if ("info".equals(level)) {
logger.info(message);
} else if ("debug".equals(level)) {
logger.debug(message);
} else if ("trace".equals(level)) {
logger.trace(message);
} else {
logger.warn("Unrecognized cx:message log level: " + level);
logger.warn(message);
}
}
while (source.moreDocuments()) {
XdmNode doc = source.read();
logger.trace(MessageFormatter.nodeMessage(step.getNode(),
"Message step " + step.getName() + " read " + doc.getDocumentURI()));
result.write(doc);
}
}
}