package com.xmlcalabash.extensions.osutils;
import com.xmlcalabash.library.DefaultStep;
import com.xmlcalabash.io.WritablePipe;
import com.xmlcalabash.core.XProcRuntime;
import com.xmlcalabash.core.XProcException;
import com.xmlcalabash.core.XProcConstants;
import com.xmlcalabash.runtime.XAtomicStep;
import com.xmlcalabash.model.RuntimeValue;
import com.xmlcalabash.util.TreeWriter;
import net.sf.saxon.s9api.QName;
import net.sf.saxon.s9api.SaxonApiException;
import java.net.URI;
import java.io.File;
import java.io.IOException;
import java.util.Map;
/**
* Created by IntelliJ IDEA.
* User: ndw
* Date: Jun 3, 2009
* Time: 7:48:27 PM
* To change this template use File | Settings | File Templates.
*/
public class Env extends DefaultStep {
private static final QName c_env = new QName("c", XProcConstants.NS_XPROC_STEP, "env");
private static final QName _name = new QName("name");
private static final QName _value = new QName("value");
private WritablePipe result = null;
/**
* Creates a new instance of UriInfo
*/
public Env(XProcRuntime runtime, XAtomicStep step) {
super(runtime,step);
}
public void setOutput(String port, WritablePipe pipe) {
result = pipe;
}
public void reset() {
result.resetWriter();
}
public void run() throws SaxonApiException {
super.run();
TreeWriter tree = new TreeWriter(runtime);
tree.startDocument(step.getNode().getBaseURI());
tree.addStartElement(XProcConstants.c_result);
tree.startContent();
Map<String,String> env = System.getenv();
for (String key : env.keySet()) {
tree.addStartElement(c_env);
tree.addAttribute(_name, key);
tree.addAttribute(_value, env.get(key));
tree.startContent();
tree.addEndElement();
}
tree.addEndElement();
tree.endDocument();
result.write(tree.getResult());
}
}