package com.xmlcalabash.runtime;
import com.xmlcalabash.core.XProcRuntime;
import com.xmlcalabash.io.*;
import com.xmlcalabash.model.Step;
import com.xmlcalabash.model.Binding;
import com.xmlcalabash.util.MessageFormatter;
import net.sf.saxon.s9api.XdmNode;
import net.sf.saxon.s9api.SaxonApiException;
/**
* Created by IntelliJ IDEA.
* User: ndw
* Date: Oct 13, 2008
* Time: 7:44:46 PM
* To change this template use File | Settings | File Templates.
*/
public class XCatch extends XCompoundStep {
Pipe errorPipe = null;
public XCatch(XProcRuntime runtime, Step step, XCompoundStep parent) {
super(runtime, step, parent);
}
public void writeError(XdmNode doc) {
errorPipe.write(doc);
}
protected ReadablePipe getPipeFromBinding(Binding binding) {
if (binding.getBindingType() == Binding.ERROR_BINDING) {
errorPipe = new Pipe(runtime);
return errorPipe;
} else {
return super.getPipeFromBinding(binding);
}
}
public ReadablePipe getBinding(String stepName, String portName) {
if (name.equals(stepName) && "error".equals(portName)) {
return new Pipe(runtime,errorPipe.documents());
} else {
return super.getBinding(stepName, portName);
}
}
protected void copyInputs() throws SaxonApiException {
for (String port : inputs.keySet()) {
if (!port.startsWith("|") && !"error".equals(port)) {
String wport = port + "|";
WritablePipe pipe = outputs.get(wport);
for (ReadablePipe reader : inputs.get(port)) {
while (reader.moreDocuments()) {
XdmNode doc = reader.read();
pipe.write(doc);
logger.trace(MessageFormatter.nodeMessage(step.getNode(), "Compound input copy from " + reader + " to " + pipe));
}
}
}
}
}
public void reset() {
super.reset();
errorPipe.resetReader();
errorPipe.resetWriter();
}
}