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authorChris Wren <cwren@android.com>2014-01-09 16:08:37 (GMT)
committerChris Wren <cwren@android.com>2014-01-09 18:35:40 (GMT)
commit8661761cb691d9bed446b87d55a4fa7043a3aa95 (patch)
treed1d2de310ef4c22181fb0143b0fa99cc50c63ecd /util
parent33f4c2df28228f93d96e9b1d1bfad52d715d917b (diff)
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better support for multiple files
don't exit on error, just log. new verbose flag to print more information Change-Id: I5c4895a837cb8a31901aabceade3ab976abf4af0
Diffstat (limited to 'util')
-rw-r--r--util/com/android/launcher3/DecoderRing.java29
1 files changed, 20 insertions, 9 deletions
diff --git a/util/com/android/launcher3/DecoderRing.java b/util/com/android/launcher3/DecoderRing.java
index 7098e18..86431d9 100644
--- a/util/com/android/launcher3/DecoderRing.java
+++ b/util/com/android/launcher3/DecoderRing.java
@@ -86,6 +86,7 @@ class DecoderRing {
boolean fromLogs = false;
int skip = 0;
List<File> files = new LinkedList<File>();
+ boolean verbose = false;
for (int i = 0; i < args.length; i++) {
if ("-k".equals(args[i])) {
@@ -108,6 +109,8 @@ class DecoderRing {
}
} else if ("-x".equals(args[i])) {
extractImages = true;
+ } else if ("-v".equals(args[i])) {
+ verbose = true;
} else if ("-L".equals(args[i])) {
fromLogs = true;
} else if (args[i] != null && !args[i].startsWith("-")) {
@@ -123,7 +126,7 @@ class DecoderRing {
usage(args);
}
- if (files.size() > 1) {
+ if (files.size() > 1 && defaultType != null) {
System.err.println("Explicit type ignored for multiple files.");
defaultType = null;
}
@@ -136,8 +139,13 @@ class DecoderRing {
Class type = null;
if (defaultType == null) {
Key key = decodeKey(source.getName().getBytes(), fromLogs);
- type = TYPES[key.type];
- System.err.println("This is a " + type.getSimpleName() + " backup");
+ if (key != null) {
+ type = TYPES[key.type];
+ if (verbose) {
+ System.err.println(source.getName() + " is a " + type.getSimpleName());
+ System.out.println(key.toString());
+ }
+ }
} else {
type = defaultType;
}
@@ -178,12 +186,14 @@ class DecoderRing {
byte[] payload = byteStream.toByteArray();
if (type == Key.class) {
proto = decodeKey(payload, fromLogs);
- } else {
+ } else if (type != null) {
proto = decodeBackupData(payload, type, fromLogs);
}
// Generic string output
- System.out.println(proto.toString());
+ if (proto != null) {
+ System.out.println(proto.toString());
+ }
if (extractImages) {
String prefix = "stdin";
@@ -262,7 +272,7 @@ class DecoderRing {
byte[] rawKey = DatatypeConverter.parseBase64Binary(encodedKey);
if (rawKey[0] != 'L' || rawKey[1] != ':') {
System.err.println(encodedKey + " is not a launcher backup key.");
- System.exit(1);
+ return null;
}
encodedKey = new String(rawKey, 2, rawKey.length - 2);
}
@@ -270,16 +280,16 @@ class DecoderRing {
key = Key.parseFrom(keyProtoData);
} catch (InvalidProtocolBufferNanoException protoException) {
System.err.println("failed to extract key from filename: " + protoException);
- System.exit(1);
+ return null;
} catch (IllegalArgumentException base64Exception) {
System.err.println("failed to extract key from filename: " + base64Exception);
- System.exit(1);
+ return null;
}
// keys are self-checked
if (key.checksum != checkKey(key)) {
System.err.println("key ckecksum failed");
- System.exit(1);
+ return null;
}
return key;
}
@@ -323,6 +333,7 @@ class DecoderRing {
System.err.println("\t-w\tdecode a widget");
System.err.println("\t-S b\tskip b bytes");
System.err.println("\t-x\textract image data to files");
+ System.err.println("\t-v\tprint key type data, as well as payload");
System.err.println("\t-l\texpect data from logcat, instead of the local transport");
System.err.println("\tfilename\tread from filename, not stdin");
System.exit(1);