private boolean upgradePlugin(int plugin) {
try {
String srcDir = Plugins.getUpgradePath(Plugins.Plugin.convert(plugin));
if (srcDir.length() == 0) return true; // no upgrade to do
String dstDir = Preferences.getAngbandFilesDirectory(plugin) + "/save";
// Log.d("Angband","upgrade "+srcDir+" to "+dstDir);
File fdstDir = new File(dstDir);
File[] saveFiles = fdstDir.listFiles();
if (saveFiles != null && saveFiles.length > 0)
return true; // save files found in dst (already upgraded)
// Log.d("Angband","found no save files in dst");
File fsrcDir = new File(srcDir);
saveFiles = fsrcDir.listFiles();
if (saveFiles == null || saveFiles.length == 0) return true; // no save files found in src
// Log.d("Angband","found "+saveFiles.length+" save files in src");
// upgrade!
for (int i = 0; i < saveFiles.length; i++) {
String src = saveFiles[i].getAbsolutePath();
String dst = dstDir + "/" + saveFiles[i].getName();
// Log.d("Angband","upgrade "+src+" to "+dst);
InputStream in = new FileInputStream(src);
OutputStream out = new FileOutputStream(dst);
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
in.close();
out.close();
}
return true;
} catch (Exception e) {
message = "Error: failed to copy save file(s) from prior version. " + e.getMessage();
// Log.v("Angband", "error upgrading save files: " + e);
return false;
}
}
private boolean doesCrcMatch(int plugin) {
// Log.d("Angband","doesCrcMatch "+plugin);
boolean result = false;
try {
File f = new File(Preferences.getAngbandFilesDirectory(plugin));
f.mkdirs();
String filename =
f.getAbsolutePath() + "/crc" + Plugins.getFilesDir(Plugins.Plugin.convert(plugin));
File myfile = new File(filename);
FileInputStream fis = new FileInputStream(myfile);
String currentCrc = new Scanner(fis).useDelimiter("\\A").next().trim();
// Log.d("Angband","doesCrcMatch.currentcrc="+currentCrc);
// Log.d("Angband","doesCrcMatch.plugincrc="+Plugins.getPluginCrc(plugin));
result = (Plugins.getPluginCrc(plugin).compareTo(currentCrc) == 0);
} catch (Exception e) {
Log.v("Angband", "doesCrcMatch.error reading crc: " + e);
}
return result;
}
private boolean extractPluginResources(int plugin) {
// Log.d("Angband","extractPluginResources "+plugin);
boolean result = true;
try {
File f = new File(Preferences.getAngbandFilesDirectory(plugin));
f.mkdirs();
String abs_path = f.getAbsolutePath();
// Log.v("Angband", "installing to " + abs_path);
// copy game files
ZipInputStream zis = Plugins.getPluginZip(plugin);
ZipEntry ze;
while ((ze = zis.getNextEntry()) != null) {
String ze_name = ze.getName();
// Log.v("Angband", "extracting " + ze_name);
String filename = abs_path + "/" + ze_name;
File myfile = new File(filename);
if (ze.isDirectory()) {
myfile.mkdirs();
continue;
}
byte contents[] = new byte[(int) ze.getSize()];
FileOutputStream fos = new FileOutputStream(myfile);
int remaining = (int) ze.getSize();
int totalRead = 0;
while (remaining > 0) {
int readlen = zis.read(contents, 0, remaining);
fos.write(contents, 0, readlen);
totalRead += readlen;
remaining -= readlen;
}
fos.close();
// perform a basic length validation
myfile = new File(filename);
if (myfile.length() != totalRead) {
// Log.v("Angband", "Installer.length mismatch: " + filename);
message = "Error: failed to verify installed file on sdcard: " + filename;
throw new IllegalStateException();
}
zis.closeEntry();
}
zis.close();
// update crc file
File myfile_crc =
new File(abs_path + "/crc" + Plugins.getFilesDir(Plugins.Plugin.convert(plugin)));
if (myfile_crc.exists()) myfile_crc.delete();
Writer crc_out = new OutputStreamWriter(new FileOutputStream(myfile_crc));
String crc_val = Plugins.getPluginCrc(plugin);
crc_out.write(crc_val);
crc_out.close();
} catch (Exception e) {
result = false;
if (message.length() == 0)
message = "Error: failed to install files to sdcard. " + e.getMessage();
// Log.v("Angband", "error extracting files: " + e);
}
return result;
}
