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Client for the Smartlogic Semaphore Classification Server

There is a newer version: 5.6.1

package com.smartlogic.classificationserver.client;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;

import javax.xml.parsers.ParserConfigurationException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

public class Defaults extends XMLReader {
	protected final Log logger = LogFactory.getLog(getClass());
	public Defaults(byte[] data) throws ClassificationException {
		// If there is no data provided, then throw an exception
		defaults = new HashMap();
		if (data == null) throw new ClassificationException("No response from classification server");
		
		try {
			Element element = getRootElement(data);
			
			NodeList defaultsNodeList = element.getElementsByTagName("Parameters");
			if ((defaultsNodeList == null) || (defaultsNodeList.getLength() == 0)) {
				//do not throw an exception - for backward compatibility return empty defaults
				return;
				
			}
			
			
			NodeList paramNodeList = ((Element)defaultsNodeList.item(0)).getElementsByTagName("Param");
			if (paramNodeList == null) return;
			
			for (int i = 0; i < paramNodeList.getLength(); i++) {
				Element paramElement = (Element)paramNodeList.item(i);
				String name = paramElement.getAttribute("name");
				if (name != null){
					name = name.toLowerCase();
				}
				String value = paramElement.getAttribute("value");
				Parameter p = new Parameter();
				p.setName(name);
				p.setValue(value);
				String translation = paramElement.getAttribute("translation");
				if (translation != null){
					p.setTranslation(translation);
				}
				defaults.put(name, p);
				logger.debug("for parameter " + name +" extracted default value " + value);
			}
		} catch (ParserConfigurationException e) {
			throw new ClassificationException("ParserConfigurationException raised: " + e.getMessage());
		} catch (UnsupportedEncodingException e) {
			throw new ClassificationException("UnsupportedEncodingException raised: " + e.getMessage());
		} catch (SAXException e) {
			throw new ClassificationException("SAXException raised: " + e.getMessage() + "\n" + toString(data));
		} catch (IOException e) {
			throw new ClassificationException("IOException raised: " + e.getMessage() + "\n" + toString(data));
		}
	}
	
	private Map defaults;
	public Map getDefaults() {
		return defaults;
	}
	

}