/**
* Reads zipped file from zip input stream that includes the construction saved in xml format and
* maybe image files.
*/
private final void readZip(ZipInputStream zip, boolean isGGTfile) throws Exception {
// we have to read everything (i.e. all images)
// before we process the XML file, that's why we
// read the XML file into a buffer first
byte[] xmlFileBuffer = null;
byte[] macroXmlFileBuffer = null;
boolean xmlFound = false;
boolean macroXMLfound = false;
boolean ggbHandler = false;
// get all entries from the zip archive
while (true) {
ZipEntry entry = zip.getNextEntry();
if (entry == null) break;
String name = entry.getName();
if (name.equals(XML_FILE) || name.equals(I2G_PRIVATE + XML_FILE)) {
// load xml file into memory first
xmlFileBuffer = Util.loadIntoMemory(zip);
xmlFound = true;
ggbHandler = true;
// Added for Intergeo File Format (Yves Kreis) -->
handler = getGGBHandler();
} else if (!ggbHandler && name.equals(I2G_FILE)) {
// load i2g file into memory first
xmlFileBuffer = Util.loadIntoMemory(zip);
xmlFound = true;
handler = getI2GHandler();
// <-- Added for Intergeo File Format (Yves Kreis)
} else if (name.equals(XML_FILE_MACRO) || name.equals(I2G_PRIVATE + XML_FILE_MACRO)) {
// load macro xml file into memory first
macroXmlFileBuffer = Util.loadIntoMemory(zip);
macroXMLfound = true;
ggbHandler = true;
handler = getGGBHandler();
} else if (name.equals(JAVASCRIPT_FILE)) {
// load JavaScript
kernel.setLibraryJavaScript(Util.loadIntoString(zip));
} else {
// try to load image
try {
BufferedImage img = ImageIO.read(zip);
app.addExternalImage(name, img);
} catch (IOException e) {
Application.debug("readZipFromURL: image could not be loaded: " + name);
e.printStackTrace();
}
}
// get next entry
zip.closeEntry();
}
zip.close();
if (!isGGTfile) {
// ggb file: remove all macros from kernel before processing
kernel.removeAllMacros();
}
// process macros
if (macroXmlFileBuffer != null) {
// don't clear kernel for macro files
processXMLBuffer(macroXmlFileBuffer, !isGGTfile, isGGTfile);
}
// process construction
if (!isGGTfile && xmlFileBuffer != null) {
processXMLBuffer(xmlFileBuffer, !macroXMLfound, isGGTfile);
}
if (!(macroXMLfound || xmlFound)) throw new Exception("No XML data found in file.");
}
