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Code Issues Projects Releases Wiki Activity

Silence a couple of FindBugs warnings.

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This commit is contained in:
Mike Hearn 2013-03-06 15:51:17 +01:00
parent 1ba2c9d5de
commit 5a16a3d3fe
1 changed files with 7 additions and 3 deletions
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10
core/src/main/java/com/google/bitcoin/core/CheckpointManager.java
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@ -58,10 +58,11 @@ public class CheckpointManager {
public CheckpointManager(NetworkParameters params, InputStream inputStream) throws IOException {
this.params = checkNotNull(params);
DataInputStream dis = null;
try {
MessageDigest digest = MessageDigest.getInstance("SHA-256");
DigestInputStream digestInputStream = new DigestInputStream(checkNotNull(inputStream), digest);
DataInputStream dis = new DataInputStream(digestInputStream);
dis = new DataInputStream(digestInputStream);
digestInputStream.on(false);
String magic = "CHECKPOINTS 1";
byte[] header = new byte[magic.length()];
@ -77,9 +78,11 @@ public class CheckpointManager {
digestInputStream.on(true);
int numCheckpoints = dis.readInt();
checkState(numCheckpoints > 0);
ByteBuffer buffer = ByteBuffer.allocate(StoredBlock.COMPACT_SERIALIZED_SIZE);
final int size = StoredBlock.COMPACT_SERIALIZED_SIZE;
ByteBuffer buffer = ByteBuffer.allocate(size);
for (int i = 0; i < numCheckpoints; i++) {
dis.read(buffer.array(), 0, StoredBlock.COMPACT_SERIALIZED_SIZE);
if (dis.read(buffer.array(), 0, size) < size)
throw new IOException("Incomplete read whilst loading checkpoints.");
StoredBlock block = StoredBlock.deserializeCompact(params, buffer);
buffer.position(0);
checkpoints.put(block.getHeader().getTimeSeconds(), block);
@ -91,6 +94,7 @@ public class CheckpointManager {
} catch (ProtocolException e) {
throw new IOException(e);
} finally {
if (dis != null) dis.close();
inputStream.close();
}
}