X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fload%2Fxml%2FZipFileLoader.java;fp=src%2Ftim%2Fprune%2Fload%2Fxml%2FZipFileLoader.java;h=eb2f9a604d3aefd2fabcb9ad33f73ec2004dde28;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/load/xml/ZipFileLoader.java b/src/tim/prune/load/xml/ZipFileLoader.java
new file mode 100644
index 0000000..eb2f9a6
--- /dev/null
+++ b/src/tim/prune/load/xml/ZipFileLoader.java
@@ -0,0 +1,135 @@
+package tim.prune.load.xml;
+
+import java.io.File;
+import java.io.InputStream;
+import java.util.Enumeration;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+import java.util.zip.ZipInputStream;
+
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+
+import tim.prune.App;
+import tim.prune.data.SourceInfo;
+import tim.prune.load.MediaLinkInfo;
+
+/**
+ * Class to handle the loading of zipped xml files
+ */
+public class ZipFileLoader
+{
+	/** App for callback of file loading */
+	private App _app = null;
+	/** Object to do the handling of the xml */
+	private XmlFileLoader _xmlLoader = null;
+
+	/**
+	 * Constructor
+	 * @param inApp App object
+	 * @param inXmlLoader object to do the xml handling
+	 */
+	public ZipFileLoader(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)
+	{
+		try
+		{
+			ZipFile file = new ZipFile(inFile);
+			Enumeration<?> entries = file.entries();
+			boolean xmlFound = false;
+			while (entries.hasMoreElements() && !xmlFound)
+			{
+				ZipEntry entry = (ZipEntry) entries.nextElement();
+				String entryName = entry.toString();
+				if (entryName != null && entryName.length() > 4)
+				{
+					String suffix = entryName.substring(entryName.length()-4).toLowerCase();
+					if (suffix.equals(".kml") || suffix.equals(".gpx") || suffix.equals(".xml"))
+					{
+						_xmlLoader.reset();
+						// Parse the stream using either Xerces or java classes
+						_xmlLoader.parseXmlStream(file.getInputStream(entry));
+						XmlHandler handler = _xmlLoader.getHandler();
+						if (handler == null) {
+							_app.showErrorMessage("error.load.dialogtitle", "error.load.othererror");
+						}
+						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()));
+							xmlFound = true;
+						}
+					}
+				}
+			}
+			file.close();
+			// Check whether there was an xml file inside
+			if (!xmlFound) {
+				_app.showErrorMessage("error.load.dialogtitle", "error.load.noxmlinzip");
+			}
+		}
+		catch (Exception e) {
+			_app.showErrorMessageNoLookup("error.load.dialogtitle", e.getClass().getName() + "\n - " + e.getMessage());
+		}
+	}
+
+	/**
+	 * Use the given stream to access a remote zip file
+	 * @param inStream stream to use to access file
+	 */
+	public void openStream(InputStream inStream)
+	{
+		try
+		{
+			ZipInputStream zis = new ZipInputStream(inStream);
+			boolean xmlFound = false;
+			while (!xmlFound && zis.available() > 0)
+			{
+				ZipEntry entry = zis.getNextEntry();
+				String entryName = entry.toString();
+				if (entryName != null && entryName.length() > 4)
+				{
+					String suffix = entryName.substring(entryName.length()-4).toLowerCase();
+					if (suffix.equals(".kml") || suffix.equals(".gpx") || suffix.equals(".xml"))
+					{
+						_xmlLoader.reset();
+						SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();
+						saxParser.parse(zis, _xmlLoader);
+						XmlHandler handler = _xmlLoader.getHandler();
+						if (handler == null) {
+							_app.showErrorMessage("error.load.dialogtitle", "error.load.othererror");
+						}
+						else
+						{
+							// Send back to app
+							_app.informDataLoaded(handler.getFieldArray(), handler.getDataArray(),
+								new SourceInfo("gpsies", SourceInfo.FILE_TYPE.GPSIES),
+								handler.getTrackNameList());
+							xmlFound = true;
+						}
+					}
+				}
+			}
+			// Check whether there was an xml file inside
+			if (!xmlFound) {
+				_app.showErrorMessage("error.load.dialogtitle", "error.load.noxmlinzip");
+			}
+		}
+		catch (Exception e) {
+			System.err.println("ZipStream Error: " + e.getClass().getName() + " -message= " + e.getMessage());
+		}
+	}
+}