Android Open Source - UWWeather parse Weather X M L

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From Project

Back to project page UWWeather.

License

The source code is released under:

This software is hereby placed in the public domain. gdmalet Tue Mar 15 10:51:10 EDT 2011

Java Source Code

/**
 * Parse the string of weather data into a map of entries.
 *//*from w w  w.jav a 2 s.  co  m*/
package ca.uwaterloo.android.UWWeather;

import java.util.HashMap;
import java.util.Map;

import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

import android.util.Xml;

public class parseWeatherXML {

  private String mWeather;

    /**
     * Thrown when there were problems parsing the response to an API call,
     * either because the response was empty, or it was malformed.
     */
    public static class ParseException extends Exception {
      static final long serialVersionUID = 0;
        public ParseException(String detailMessage, Throwable throwable) {
            super(detailMessage, throwable);
        }
    }

  public parseWeatherXML(String weatherXML) {
    mWeather = weatherXML;
  }

    public Map<String, String> parse() throws ParseException {

        final Map<String, String> map = new HashMap<String,String>();

        class handler extends DefaultHandler {
          private StringBuilder buildstr;

          @Override
            public void startDocument() throws SAXException {
                super.startDocument();
                buildstr = new StringBuilder();
            }
        
          // Build up a string containing the label.
            @Override
            public void characters(char[] ch, int start, int length) throws SAXException {
                super.characters(ch, start, length);
                
                // Drop leading newlines.
                if (buildstr.length() == 0 && ch[0] == '\n')
                  buildstr.append(ch, start+1, length-1);
                else
                  buildstr.append(ch, start, length);
            }
            
            // Have the label; this gives us the value.
            @Override
          public void endElement(String uri, String localName, String qName) throws SAXException {
            super.endElement(uri, localName, qName);
            String value = buildstr.toString();
            map.put(localName, value.trim());
                buildstr.setLength(0);
          }
        }
        
        try {
            Xml.parse(mWeather, new handler());
        } catch (Exception e) {
            throw new ParseException("Problems parsing weather details", e);
        }

        return map;
    }
}

Java Source Code List

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