// $Id: LambdaStationMap.java,v 1.3 2006/06/15 20:47:50 moibenko Exp $
// $Log: LambdaStationMap.java,v $
// Revision 1.3 2006/06/15 20:47:50 moibenko
// fixed ambiguity in url processing
//
// Revision 1.1 2006/03/23 22:36:46 moibenko
// maps domains to LS sites.
//
/*
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package org.dcache.srm.qos.lambdastation;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.Text;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
import java.util.StringTokenizer;
//import org.w3c.dom.Element;
//import org.w3c.dom.NodeList;
//import org.w3c.dom.Comment;
// for writing xml
//import javax.xml.transform.Transformer;
//import javax.xml.transform.TransformerFactory;
//import javax.xml.transform.TransformerException;
//import javax.xml.transform.TransformerConfigurationException;
//import javax.xml.transform.dom.DOMSource;
//import javax.xml.transform.stream.StreamResult;
//import java.io.File;
//import java.io.FileWriter;
public class LambdaStationMap {
private final List<Site> Sites = new LinkedList<>();
private class Site {
public final String domain;
public final String name;
public final boolean enabled;
public Site(String domain, String name, boolean enabled) {
this.domain = domain;
this.name = name;
this.enabled = enabled;
}
}
/** Creates a new instance of Configuration */
public LambdaStationMap() {
}
public LambdaStationMap(String map_file)
{
try
{
read(map_file);
}
catch(Exception e)
{
e.printStackTrace();
}
}
public void read(String file) throws Exception {
String domain = "";
String name = "";
DocumentBuilderFactory factory =
DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.parse(file);
Node root =document.getFirstChild();
for(;root != null && !"l-station-map".equals(root.getNodeName());
root = document.getNextSibling()) {
}
if(root == null) {
System.err.println(" error, root element \"l-station-map\" is not found");
throw new IOException();
}
if(root != null && root.getNodeName().equals("l-station-map")) {
Node node = root.getFirstChild();
for(;node != null; node = node.getNextSibling()) {
if(node.getNodeType()== Node.ELEMENT_NODE) {
//System.out.println("ELEMENT "+node.getNodeName());
if (node.getNodeName().equals("site")){
boolean enabled = true;
Node child = node.getFirstChild();
//System.out.println("CHILD1 ELEMENT "+child.getNodeName());
for(;child != null; child = child.getNextSibling()) {
if(child.getNodeType() == Node.ELEMENT_NODE) {
//System.out.println("CHILD ELEMENT "+child.getNodeName());
Node g_c = child.getFirstChild();
if (g_c.getNodeType() == Node.TEXT_NODE) {
Text t = (Text)g_c;
String text_value = t.getData().trim();
String node_name = child.getNodeName().trim();
//System.out.println("NODE="+node_name+" VAL="+text_value);
switch (node_name) {
case "domain":
domain = text_value;
break;
case "enable-LS":
if (text_value.startsWith("n")) {
enabled = false;
}
break;
case "name":
name = text_value;
break;
}
}
}
else if (child.getNodeType() == Node.TEXT_NODE){
//skip garbage
Text t1 = (Text)child;
String tv = t1.getData().trim();
//System.out.println("TEXT "+tv);
continue;
}
if(child.getNodeType() == Node.TEXT_NODE){
Text t = (Text)child;
String text_value = t.getData().trim();
break;
}
}
set(domain, name, enabled);
}
}
}
}
}
private void set(String name, String value, boolean enabled) {
name=name.trim();
value=value==null?null:value.trim();
Site site = new Site(name, value, enabled);
this.Sites.add(site);
}
public void say(String words) {
System.out.println("LS_MAP: "+words);
}
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("Lambda station Map:");
for (Object Site : Sites) {
Site s = (Site) Site;
sb.append("\n\tdomain=").append(s.domain);
sb.append("\tname=").append(s.name);
if (s.enabled) {
sb.append("\tLS enabled=").append("yes");
} else {
sb.append("\tLS enabled=").append("no");
}
}
return sb.toString();
}
public String getName(String url) {
StringTokenizer urlTokenizer
= new StringTokenizer(url, ":");
String tok = (String) urlTokenizer.nextElement();
tok = (String) urlTokenizer.nextElement(); // first is srm, file, etc
//say("MAP="+toString()+"token="+tok);
for (Object Site : Sites) {
//say("GETNAME");
Site s = (Site) Site;
if (tok.contains(s.domain)) {
//say("URL="+url+" domain="+s.domain+" name="+s.name);
return s.name;
}
}
return null;
}
public boolean enabled(String url) {
for (Object Site : Sites) {
Site s = (Site) Site;
if (url.contains(s.domain)) {
return s.enabled;
}
}
return false;
}
/*
public static void main(String argv[])
{
if (argv.length != 1) {
System.err.println("Usage: java LambdaStationMap filename");
System.exit(1);
}
System.out.println("file "+argv[0]);
LambdaStationMap lsMap = new LambdaStationMap(argv[0]);
String str = lsMap.toString();
System.out.println("MAP:"+str);
}// main
*/
}