X-Git-Url: https://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fload%2Fxml%2FGzipFileLoader.java;fp=src%2Ftim%2Fprune%2Fload%2Fxml%2FGzipFileLoader.java;h=4be2bab3fc521627a65b793d490f5a01c173bfd4;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/load/xml/GzipFileLoader.java b/src/tim/prune/load/xml/GzipFileLoader.java
new file mode 100644
index 0000000..4be2bab
--- /dev/null
+++ b/src/tim/prune/load/xml/GzipFileLoader.java
@@ -0,0 +1,74 @@
+package tim.prune.load.xml;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.zip.GZIPInputStream;
+import tim.prune.App;
+import tim.prune.I18nManager;
+import tim.prune.data.SourceInfo;
+import tim.prune.load.MediaLinkInfo;
+
+/**
+ * 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();
+			// Parse the stream using either Xerces or java classes
+			_xmlLoader.parseXmlStream(istream);
+			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(),
+					null, sourceInfo, handler.getTrackNameList(),
+					new MediaLinkInfo(inFile, handler.getLinkArray()));
+			}
+		}
+		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) {}
+		}
+	}
+}