/**
* Re-reads the contents of the .plist file and updates the cached data.
*
* @throws IOException if there is an I/O error, or the data in the plist is invalid.
*/
protected void refresh() throws IOException {
long fileLength = file.length();
if (fileLength > Integer.MAX_VALUE)
throw new ArrayIndexOutOfBoundsException(
"Info.plist is " + "unreasonably large and doesn't fit in memory.");
byte[] plistData = new byte[(int) fileLength];
int bytesRead = file.read(plistData);
if (bytesRead != fileLength)
throw new IOException(
"Failed to read entire file. Read " + bytesRead + "/" + fileLength + " bytes.");
XmlPlist plist = new XmlPlist(plistData, true);
PlistNode dictNode = plist.getRootNode().cd("dict");
if (dictNode == null) {
throw new IOException("Malformed Info.plist file: No 'dict' " + "element at root.");
}
final String cfBundleInfoDictionaryVersionKey = "CFBundleInfoDictionaryVersion";
final String bandSizeKey = "band-size";
final String bundleBackingstoreVersionKey = "bundle-backingstore-version";
final String diskImageBundleTypeKey = "diskimage-bundle-type";
final String sizeKey = "size";
Reader cfBundleInfoDictionaryVersionReader =
dictNode.getKeyValue(cfBundleInfoDictionaryVersionKey);
Reader bandSizeReader = dictNode.getKeyValue(bandSizeKey);
Reader bundleBackingstoreVersionReader = dictNode.getKeyValue(bundleBackingstoreVersionKey);
Reader diskImageBundleTypeReader = dictNode.getKeyValue(diskImageBundleTypeKey);
Reader sizeReader = dictNode.getKeyValue(sizeKey);
if (cfBundleInfoDictionaryVersionReader == null)
throw new IOException(
"Could not find '" + cfBundleInfoDictionaryVersionKey + "' key in Info.plist " + "file.");
if (bandSizeReader == null)
throw new IOException("Could not find '" + bandSizeKey + "' key " + "in Info.plist file.");
if (bundleBackingstoreVersionReader == null)
throw new IOException(
"Could not find '" + bundleBackingstoreVersionKey + "' key in Info.plist file.");
if (diskImageBundleTypeReader == null)
throw new IOException(
"Could not find '" + diskImageBundleTypeKey + "' key in Info.plist file.");
if (sizeReader == null)
throw new IOException("Could not find '" + sizeKey + "' key in " + "Info.plist file.");
// We ignore the value of the dictionary version.
// String cfBundleInfoDictionaryVersionString =
// Util.readFully(cfBundleInfoDictionaryVersionReader);
String bandSizeString = Util.readFully(bandSizeReader);
String bundleBackingstoreVersionString = Util.readFully(bundleBackingstoreVersionReader);
String diskImageBundleTypeString = Util.readFully(diskImageBundleTypeReader);
String sizeString = Util.readFully(sizeReader);
if (!diskImageBundleTypeString.equals("com.apple.diskimage.sparsebundle")) {
throw new IOException(
"Unexpected value for '" + diskImageBundleTypeKey + "': " + diskImageBundleTypeString);
}
if (!bundleBackingstoreVersionString.equals("1")) {
throw new IOException("Unknown backing store version: " + bundleBackingstoreVersionString);
}
final long bandSizeLong;
try {
bandSizeLong = Long.parseLong(bandSizeString);
} catch (NumberFormatException nfe) {
throw new IOException("Illegal numeric value for " + bandSizeKey + ": " + bandSizeString);
}
final long sizeLong;
try {
sizeLong = Long.parseLong(sizeString);
} catch (NumberFormatException nfe) {
throw new IOException("Illegal numeric value for " + sizeKey + ": " + sizeString);
}
this.bandSize = bandSizeLong;
this.size = sizeLong;
}
public PlistPartition[] getPartitions() throws IOException {
LinkedList<PlistPartition> partitionList = new LinkedList<PlistPartition>();
PlistNode current = getRootNode();
current = current.cd("dict");
current = current.cdkey("resource-fork");
current = current.cdkey("blkx");
// Variables to keep track of the pointers of the previous partition
long previousOutOffset = 0;
long previousInOffset = 0;
// Iterate over the partitions and gather data
for (PlistNode pn : current.getChildren()) {
String partitionName = Util.readFully(pn.getKeyValue("Name"));
String partitionID = Util.readFully(pn.getKeyValue("ID"));
String partitionAttributes = Util.readFully(pn.getKeyValue("Attributes"));
// System.err.println("Retrieving data...");
// (new BufferedReader(new InputStreamReader(System.in))).readLine();
Reader base64Data = pn.getKeyValue("Data");
// System.gc();
// System.err.println("Converting data to binary form... free memory: " +
// Runtime.getRuntime().freeMemory() + " total memory: " +
// Runtime.getRuntime().totalMemory());
// byte[] data = Base64.decode(base64Data);
// try {
// InputStream yo = new Base64.InputStream(new ReaderInputStream(base64Data,
// Charset.forName("US-ASCII")));
// String filename1 = "dump_plist_java-" + System.currentTimeMillis() +
// ".datadpp";
// System.err.println("Dumping output from ReaderInputStream to file \"" +
// filename1 + "\"");
// FileOutputStream fos = new FileOutputStream(filename1);
// if(false) { // Standard way
// byte[] buffer = new byte[4096];
// int curBytesRead = yo.read(buffer);
// while(curBytesRead == buffer.length) {
// fos.write(buffer, 0, curBytesRead);
// curBytesRead = yo.read(buffer);
// }
// if(curBytesRead > 0)
// fos.write(buffer, 0, curBytesRead);
// }
// else { // Simulating PlistPartition constructor
// byte[] buf1 = new byte[0xCC];
// byte[] buf2 = new byte[0x28];
// int curBytesRead = (int)yo.skip(0xCC); // SKIP OPERATION F***S UP!one
// fos.write(buf1, 0, curBytesRead);
// curBytesRead = yo.read(buf2);
// while(curBytesRead == buf2.length) {
// fos.write(buf2, 0, curBytesRead);
// curBytesRead = yo.read(buf2);
// }
// if(curBytesRead > 0)
// fos.write(buf2, 0, curBytesRead);
// }
// fos.close();
// } catch(Exception e) { e.printStackTrace(); }
InputStream base64DataInputStream =
new Base64.InputStream(new ReaderInputStream(base64Data, Charset.forName("US-ASCII")));
// System.err.println("Creating PlistPartition.");
// System.out.println("Block list for partition " + i++ + ":");
PlistPartition dpp =
new PlistPartition(
partitionName,
partitionID,
partitionAttributes,
base64DataInputStream,
previousOutOffset,
previousInOffset);
previousOutOffset = dpp.getFinalOutOffset();
previousInOffset = dpp.getFinalInOffset();
partitionList.addLast(dpp);
}
return partitionList.toArray(new PlistPartition[partitionList.size()]);
}
