--- /dev/null
+package tim.prune.load.xml;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.zip.GZIPInputStream;
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+import tim.prune.App;
+import tim.prune.I18nManager;
+import tim.prune.data.Altitude;
+import tim.prune.data.SourceInfo;
+
+/**
+ * Class to handle the loading of gzipped xml files
+ */
+public class GzipFileLoader
+{
+ /** App for callback of file loading */
+ private App _app = null;
+ /** Object to do the handling of the xml */
+ XmlFileLoader _xmlLoader = null;
+
+ /**
+ * Constructor
+ * @param inApp App object
+ * @param inXmlLoader object to do the xml handling
+ */
+ public GzipFileLoader(App inApp, XmlFileLoader inXmlLoader)
+ {
+ _app = inApp;
+ _xmlLoader = inXmlLoader;
+ }
+
+ /**
+ * Open the selected file and select appropriate xml loader
+ * @param inFile File to open
+ */
+ public void openFile(File inFile)
+ {
+ GZIPInputStream istream = null;
+ try
+ {
+ istream = new GZIPInputStream(new FileInputStream(inFile));
+ _xmlLoader.reset();
+ SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();
+ saxParser.parse(istream, _xmlLoader);
+ XmlHandler handler = _xmlLoader.getHandler();
+ if (handler == null) {
+ _app.showErrorMessage("error.load.dialogtitle", "error.load.noread");
+ }
+ else {
+ // Send back to app
+ SourceInfo sourceInfo = new SourceInfo(inFile,
+ (handler instanceof GpxHandler?SourceInfo.FILE_TYPE.GPX:SourceInfo.FILE_TYPE.KML));
+ _app.informDataLoaded(handler.getFieldArray(), handler.getDataArray(),
+ Altitude.Format.METRES, sourceInfo);
+ }
+ }
+ catch (Exception e) {
+ // Error occurred, could be a non-xml file borking the parser
+ _app.showErrorMessageNoLookup("error.load.dialogtitle",
+ I18nManager.getText("error.load.othererror") + " " + e.getClass().getName());
+ // It would be nice to verify the filename of the file inside the gz,
+ // but the java classes don't give access to this information
+ }
+ finally {
+ try {
+ istream.close();
+ }
+ catch (Exception e2) {}
+ }
+ }
+}