/*
* Parameters.java
*
* Copyright 2008 Mark Logic Corporation.
* Portions Copyright 2007 Sun Microsystems, Inc.
* All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common
* Development and Distribution License("CDDL") (collectively, the
* "License"). You may not use this file except in compliance with the
* License. You can obtain a copy of the License at
* https://xproc.dev.java.net/public/CDDL+GPL.html or
* docs/CDDL+GPL.txt in the distribution. See the License for the
* specific language governing permissions and limitations under the
* License. When distributing the software, include this License Header
* Notice in each file and include the License file at docs/CDDL+GPL.txt.
*/
package com.xmlcalabash.library;
import java.util.Hashtable;
import com.xmlcalabash.core.XProcConstants;
import com.xmlcalabash.core.XProcRuntime;
import com.xmlcalabash.util.TreeWriter;
import com.xmlcalabash.model.RuntimeValue;
import com.xmlcalabash.io.WritablePipe;
import net.sf.saxon.s9api.SaxonApiException;
import net.sf.saxon.s9api.QName;
import net.sf.saxon.s9api.XdmValue;
import net.sf.saxon.s9api.XdmItem;
import net.sf.saxon.s9api.XdmAtomicValue;
import net.sf.saxon.s9api.XdmSequenceIterator;
import net.sf.saxon.s9api.XdmNode;
import com.xmlcalabash.runtime.XAtomicStep;
/**
*
* @author ndw
*/
public class Parameters extends DefaultStep {
private static final QName c_param_set = new QName("c", XProcConstants.NS_XPROC_STEP, "param-set");
private static final QName c_param = new QName("c", XProcConstants.NS_XPROC_STEP, "param");
private static final QName cx_item = new QName("cx", XProcConstants.NS_CALABASH_EX, "item");
private static final QName _name = new QName("name");
private static final QName _namespace = new QName("namespace");
private static final QName _value = new QName("value");
private static final QName _type = new QName("type");
private WritablePipe result = null;
Hashtable<QName,RuntimeValue> parameters = new Hashtable<QName,RuntimeValue> ();
/** Creates a new instance of Count */
public Parameters(XProcRuntime runtime, XAtomicStep step) {
super(runtime,step);
}
public void setOutput(String port, WritablePipe pipe) {
result = pipe;
}
public void setParameter(String port, QName name, RuntimeValue value) {
parameters.put(name, value);
}
public void setParameter(QName name, RuntimeValue value) {
parameters.put(name, value);
}
public void reset() {
result.resetWriter();
}
public void run() throws SaxonApiException {
super.run();
TreeWriter treeWriter = new TreeWriter(runtime);
treeWriter.startDocument(step.getNode().getBaseURI());
treeWriter.addStartElement(c_param_set);
treeWriter.startContent();
for (QName param : parameters.keySet()) {
String value = parameters.get(param).getStringValue().getStringValue();
treeWriter.addStartElement(c_param);
treeWriter.addAttribute(_name, param.getLocalName());
if (param.getNamespaceURI() != null && !"".equals(param.getNamespaceURI())) {
treeWriter.addAttribute(_namespace, param.getNamespaceURI());
} else {
// I'm not really sure about this...
treeWriter.addAttribute(_namespace, "");
}
if (runtime.getAllowGeneralExpressions()) {
XdmValue xdmvalue = parameters.get(param).getValue();
XdmAtomicValue atom = null;
if (xdmvalue.size() == 1) {
XdmItem item = xdmvalue.itemAt(0);
if (item.isAtomicValue()) {
atom = (XdmAtomicValue) item;
}
}
if (atom != null && xdmvalue.size() == 1) {
treeWriter.addAttribute(_value, value);
treeWriter.startContent();
} else {
treeWriter.startContent();
XdmSequenceIterator iter = xdmvalue.iterator();
while (iter.hasNext()) {
XdmItem next = iter.next();
QName type = next.isAtomicValue() ? ((XdmAtomicValue) next).getPrimitiveTypeName() : null;
treeWriter.addStartElement(cx_item);
if (type != null) {
if ("http://www.w3.org/2001/XMLSchema".equals(type.getNamespaceURI())) {
treeWriter.addAttribute(_type, type.getLocalName());
} else {
treeWriter.addAttribute(_type, type.getClarkName());
}
}
if (next.isAtomicValue()) {
treeWriter.addAttribute(_value, next.getStringValue());
treeWriter.startContent();
} else {
treeWriter.startContent();
treeWriter.addSubtree((XdmNode) next);
}
treeWriter.addEndElement();
}
}
} else {
treeWriter.addAttribute(_value, value);
treeWriter.startContent();
}
treeWriter.addEndElement();
}
treeWriter.addEndElement();
treeWriter.endDocument();
result.write(treeWriter.getResult());
}
}