package com.xmlcalabash.extensions;
import com.xmlcalabash.core.XProcConstants;
import com.xmlcalabash.core.XProcException;
import com.xmlcalabash.core.XProcRuntime;
import com.xmlcalabash.io.ReadablePipe;
import com.xmlcalabash.io.WritablePipe;
import com.xmlcalabash.library.DefaultStep;
import com.xmlcalabash.model.RuntimeValue;
import com.xmlcalabash.runtime.XAtomicStep;
import com.xmlcalabash.util.MessageFormatter;
import net.sf.saxon.s9api.Axis;
import net.sf.saxon.s9api.QName;
import net.sf.saxon.s9api.SaxonApiException;
import net.sf.saxon.s9api.XdmNode;
import net.sf.saxon.s9api.XdmSequenceIterator;
/**
* 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 ReportErrors extends DefaultStep {
private static final QName c_error = new QName(XProcConstants.NS_XPROC_STEP, "error");
private static final QName _code = new QName("code");
private static final QName _code_prefix = new QName("code-prefix");
private static final QName _code_namespace = new QName("code-namespace");
private ReadablePipe source = null;
private ReadablePipe report = null;
private WritablePipe result = null;
/**
* Creates a new instance of Identity
*/
public ReportErrors(XProcRuntime runtime, XAtomicStep step) {
super(runtime,step);
}
public void setInput(String port, ReadablePipe pipe) {
if ("source".equals(port)) {
source = pipe;
} else {
report = 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 codeNameStr = null;
String cpfx = null;
String cns = null;
RuntimeValue codeNameValue = getOption(_code);
if (codeNameValue != null) {
codeNameStr = codeNameValue.getString();
cpfx = getOption(_code_prefix, (String) null);
cns = getOption(_code_namespace, (String) null);
}
if (cpfx == null && cns != null) {
cpfx = "ERR";
}
if (cpfx != null && cns == null) {
throw XProcException.dynamicError(34, "You can't specify a prefix without a namespace");
}
if (cns != null && codeNameStr.contains(":")) {
throw XProcException.dynamicError(34, "You can't specify a namespace if the code name contains a colon");
}
QName errorCode = null;
if (codeNameStr != null) {
if (codeNameStr.contains(":")) {
errorCode = new QName(codeNameStr, codeNameValue.getNode());
} else {
errorCode = new QName(cpfx == null ? "" : cpfx, cns, codeNameStr);
}
}
while (report.moreDocuments()) {
XdmNode doc = report.read();
XdmSequenceIterator iter = doc.axisIterator(Axis.DESCENDANT, c_error);
if (iter.hasNext()) {
while (iter.hasNext()) {
runtime.warning(this, doc, iter.next().getStringValue());
}
} else {
runtime.warning(this, doc, doc.getStringValue());
}
}
if (errorCode != null) {
throw new XProcException(errorCode, "error code?");
}
while (source.moreDocuments()) {
XdmNode doc = source.read();
logger.trace(MessageFormatter.nodeMessage(step.getNode(),
"ReportErrors step " + step.getName() + " read " + doc.getDocumentURI()));
result.write(doc);
}
}
}