package com.fasterxml.clustermate.client.jdk;
import java.net.HttpURLConnection;
import java.net.URL;
import com.fasterxml.storemate.shared.util.IOUtil;
import com.fasterxml.clustermate.api.EntryKey;
import com.fasterxml.clustermate.api.PathType;
import com.fasterxml.clustermate.client.CallFailure;
import com.fasterxml.clustermate.client.ClusterServerNode;
import com.fasterxml.clustermate.client.StoreClientConfig;
import com.fasterxml.clustermate.client.call.CallConfig;
import com.fasterxml.clustermate.client.call.ContentDeleter;
import com.fasterxml.clustermate.std.JdkHttpClientPathBuilder;
public class JdkHttpContentDeleter<K extends EntryKey>
extends BaseJdkHttpAccessor<K>
implements ContentDeleter<K>
{
protected final ClusterServerNode _server;
public JdkHttpContentDeleter(StoreClientConfig<K,?> storeConfig,
ClusterServerNode server)
{
super(storeConfig);
_server = server;
}
@Override
public CallFailure tryDelete(CallConfig config, long endOfTime, K contentId)
{
// first: if we can't spend at least 10 msecs, let's give up:
final long startTime = System.currentTimeMillis();
final long timeoutMsecs = Math.min(endOfTime - startTime, config.getDeleteCallTimeoutMsecs());
if (timeoutMsecs < config.getMinimumTimeoutMsecs()) {
return CallFailure.timeout(_server, startTime, startTime);
}
try {
JdkHttpClientPathBuilder path = _server.rootPath();
path = _pathFinder.appendPath(path, PathType.STORE_ENTRY);
path = _keyConverter.appendToPath(path, contentId);
URL url = path.asURL();
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
int statusCode = sendRequest("DELETE", conn, path, timeoutMsecs);
// one thing first: handle standard headers, if any?
handleHeaders(_server, conn, startTime);
// call ok?
if (!IOUtil.isHTTPSuccess(statusCode)) {
// if not, why not? Any well-known problems? (besides timeout that was handled earlier)
// then the default fallback
String msg = getExcerpt(conn, statusCode, config.getMaxExcerptLength());
return CallFailure.general(_server, statusCode, startTime, System.currentTimeMillis(), msg);
}
drain(conn, statusCode);
return null;
} catch (Exception e) {
return CallFailure.clientInternal(_server, startTime, System.currentTimeMillis(), e);
}
}
}