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Moved writers into their own package, replaced public static fields in

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CryptoModule with provider methods.
This commit is contained in:
akwizgran
2011-07-23 18:50:40 +01:00
parent 13f18d9e40
commit 65be63dc0c
19 changed files with 205 additions and 78 deletions
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49
components/net/sf/briar/protocol/writers/AckWriterImpl.java Normal file
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@@ -0,0 +1,49 @@
package net.sf.briar.protocol.writers;
import java.io.IOException;
import java.io.OutputStream;
import net.sf.briar.api.protocol.Ack;
import net.sf.briar.api.protocol.BatchId;
import net.sf.briar.api.protocol.Tags;
import net.sf.briar.api.protocol.writers.AckWriter;
import net.sf.briar.api.serial.Writer;
import net.sf.briar.api.serial.WriterFactory;
class AckWriterImpl implements AckWriter {
private final OutputStream out;
private final Writer w;
private boolean started = false, finished = false;
AckWriterImpl(OutputStream out, WriterFactory writerFactory) {
this.out = out;
this.w = writerFactory.createWriter(out);
}
public boolean addBatchId(BatchId b) throws IOException {
if(finished) throw new IllegalStateException();
if(!started) {
w.writeUserDefinedTag(Tags.ACK);
w.writeListStart();
started = true;
}
int capacity = Ack.MAX_SIZE - (int) w.getBytesWritten() - 1;
if(capacity < BatchId.SERIALISED_LENGTH) return false;
b.writeTo(w);
return true;
}
public void finish() throws IOException {
if(finished) throw new IllegalStateException();
if(!started) {
w.writeUserDefinedTag(Tags.ACK);
w.writeListStart();
started = true;
}
w.writeListEnd();
out.flush();
finished = true;
}
}