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SMACK-361 Changed default for filename encoding to Base 32 (which should work on all file systems) and added a Base 64 filename and url safe implementation of the StringEncoder.

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git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/branches/smack_3_3_0@13619 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
rcollier 2013-04-20 21:55:27 +00:00
parent a3faa41696
commit 13d87e3d40
5 changed files with 67 additions and 100 deletions
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27
source/org/jivesoftware/smackx/entitycaps/cache/SimpleDirectoryPersistentCache.java vendored
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@ -27,6 +27,7 @@ import java.io.StringReader;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.provider.IQProvider;
import org.jivesoftware.smack.util.Base32Encoder;
import org.jivesoftware.smack.util.Base64Encoder;
import org.jivesoftware.smack.util.StringEncoder;
import org.jivesoftware.smackx.entitycaps.EntityCapsManager;
@ -47,19 +48,20 @@ import org.xmlpull.v1.XmlPullParserException;
public class SimpleDirectoryPersistentCache implements EntityCapsPersistentCache {
private File cacheDir;
private StringEncoder stringEncoder;
private StringEncoder filenameEncoder;
/**
* Creates a new SimpleDirectoryPersistentCache Object. Make sure that the
* cacheDir exists and that it's an directory.
*
* If your cacheDir is case insensitive then make sure to set the
* StringEncoder to Base32.
* <p>
* Default filename encoder {@link Base32Encoder}, as this will work on all
* filesystems, both case sensitive and case insensitive. It does however
* produce longer filenames.
*
* @param cacheDir
*/
public SimpleDirectoryPersistentCache(File cacheDir) {
this(cacheDir, Base64Encoder.getInstance());
this(cacheDir, Base32Encoder.getInstance());
}
/**
@ -67,26 +69,25 @@ public class SimpleDirectoryPersistentCache implements EntityCapsPersistentCache
* cacheDir exists and that it's an directory.
*
* If your cacheDir is case insensitive then make sure to set the
* StringEncoder to Base32.
* StringEncoder to {@link Base32Encoder} (which is the default).
*
* @param cacheDir
* @param stringEncoder
* @param cacheDir The directory where the cache will be stored.
* @param filenameEncoder Encodes the node string into a filename.
*/
public SimpleDirectoryPersistentCache(File cacheDir, StringEncoder stringEncoder) {
public SimpleDirectoryPersistentCache(File cacheDir, StringEncoder filenameEncoder) {
if (!cacheDir.exists())
throw new IllegalStateException("Cache directory \"" + cacheDir + "\" does not exist");
if (!cacheDir.isDirectory())
throw new IllegalStateException("Cache directory \"" + cacheDir + "\" is not a directory");
this.cacheDir = cacheDir;
this.stringEncoder = stringEncoder;
this.filenameEncoder = filenameEncoder;
}
@Override
public void addDiscoverInfoByNodePersistent(String node, DiscoverInfo info) {
String filename = stringEncoder.encode(node);
String filename = filenameEncoder.encode(node);
File nodeFile = new File(cacheDir, filename);
try {
if (nodeFile.createNewFile())
writeInfoToFile(nodeFile, info);
@ -99,7 +100,7 @@ public class SimpleDirectoryPersistentCache implements EntityCapsPersistentCache
public void replay() throws IOException {
File[] files = cacheDir.listFiles();
for (File f : files) {
String node = stringEncoder.decode(f.getName());
String node = filenameEncoder.decode(f.getName());
DiscoverInfo info = restoreInfoFromFile(f);
if (info == null)
continue;