/**
* Extracts a bucket containing key/value pairs with the {@code prefix}.
*
* @param prefix
* @return
*/
public Bucket extract(String prefix) {
Bucket partial = new Bucket();
for (Map.Entry<String, byte[]> entry : data.entrySet()) {
if (entry.getKey().startsWith(prefix)) {
partial.put(entry.getKey(), entry.getValue());
}
}
return partial;
}
/**
* Creates a new Bucket from a given raw map.
*
* @param source can be {@literal null}.
* @return never {@literal null}.
*/
public static Bucket newBucketFromRawMap(Map<byte[], byte[]> source) {
Bucket bucket = new Bucket();
if (source == null) {
return bucket;
}
for (Map.Entry<byte[], byte[]> entry : source.entrySet()) {
bucket.put(new String(entry.getKey(), CHARSET), entry.getValue());
}
return bucket;
}
/**
* Creates a new Bucket from a given {@link String} map.
*
* @param source can be {@literal null}.
* @return never {@literal null}.
*/
public static Bucket newBucketFromStringMap(Map<String, String> source) {
Bucket bucket = new Bucket();
if (source == null) {
return bucket;
}
for (Map.Entry<String, String> entry : source.entrySet()) {
bucket.put(
entry.getKey(),
StringUtils.hasText(entry.getValue())
? entry.getValue().getBytes(CHARSET)
: new byte[] {});
}
return bucket;
}