1 package net.pterodactylus.fcp.quelaton;
4 import java.io.IOException;
5 import java.io.InputStream;
6 import java.nio.file.Files;
8 import java.util.Objects;
9 import java.util.Optional;
10 import java.util.concurrent.CopyOnWriteArrayList;
11 import java.util.concurrent.ExecutionException;
12 import java.util.concurrent.ExecutorService;
13 import java.util.concurrent.atomic.AtomicBoolean;
14 import java.util.concurrent.atomic.AtomicLong;
15 import java.util.concurrent.atomic.AtomicReference;
16 import java.util.function.Consumer;
17 import java.util.function.Supplier;
19 import net.pterodactylus.fcp.ClientPut;
20 import net.pterodactylus.fcp.FcpMessage;
21 import net.pterodactylus.fcp.Key;
22 import net.pterodactylus.fcp.ProtocolError;
23 import net.pterodactylus.fcp.PutFailed;
24 import net.pterodactylus.fcp.PutSuccessful;
25 import net.pterodactylus.fcp.TestDDAComplete;
26 import net.pterodactylus.fcp.TestDDAReply;
27 import net.pterodactylus.fcp.TestDDARequest;
28 import net.pterodactylus.fcp.TestDDAResponse;
29 import net.pterodactylus.fcp.URIGenerated;
30 import net.pterodactylus.fcp.UploadFrom;
32 import com.google.common.util.concurrent.ListenableFuture;
33 import com.google.common.util.concurrent.ListeningExecutorService;
34 import com.google.common.util.concurrent.MoreExecutors;
37 * Default {@link ClientPutCommand} implemented based on {@link FcpDialog}.
39 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
41 class ClientPutCommandImpl implements ClientPutCommand {
43 private final ListeningExecutorService threadPool;
44 private final ConnectionSupplier connectionSupplier;
45 private final Supplier<String> identifierGenerator;
46 private final AtomicReference<String> redirectUri = new AtomicReference<>();
47 private final AtomicReference<File> file = new AtomicReference<>();
48 private final AtomicReference<InputStream> payload = new AtomicReference<>();
49 private final AtomicLong length = new AtomicLong();
50 private final AtomicReference<String> targetFilename = new AtomicReference<>();
51 private final List<Consumer<String>> keyGenerateds = new CopyOnWriteArrayList<>();
53 public ClientPutCommandImpl(ExecutorService threadPool, ConnectionSupplier connectionSupplier, Supplier<String> identifierGenerator) {
54 this.threadPool = MoreExecutors.listeningDecorator(threadPool);
55 this.connectionSupplier = connectionSupplier;
56 this.identifierGenerator = identifierGenerator;
60 public ClientPutCommand onKeyGenerated(Consumer<String> keyGenerated) {
61 keyGenerateds.add(keyGenerated);
66 public ClientPutCommand named(String targetFilename) {
67 this.targetFilename.set(targetFilename);
72 public WithUri redirectTo(String uri) {
73 this.redirectUri.set(Objects.requireNonNull(uri, "uri must not be null"));
78 public WithUri from(File file) {
79 this.file.set(Objects.requireNonNull(file, "file must not be null"));
84 public WithLength from(InputStream inputStream) {
85 payload.set(Objects.requireNonNull(inputStream, "inputStream must not be null"));
89 private WithUri length(long length) {
90 this.length.set(length);
94 private Executable<Optional<Key>> key(String uri) {
95 return () -> threadPool.submit(() -> execute(uri));
98 private Optional<Key> execute(String uri) throws InterruptedException, ExecutionException, IOException {
99 ClientPut clientPut = createClientPutCommand(uri, identifierGenerator.get());
100 try (ClientPutDialog clientPutDialog = new ClientPutDialog()) {
101 return clientPutDialog.send(clientPut).get();
105 private ClientPut createClientPutCommand(String uri, String identifier) {
107 if (file.get() != null) {
108 clientPut = createClientPutFromDisk(uri, identifier, file.get());
109 } else if (redirectUri.get() != null) {
110 clientPut = createClientPutRedirect(uri, identifier, redirectUri.get());
112 clientPut = createClientPutDirect(uri, identifier, length.get(), payload.get());
114 if (targetFilename.get() != null) {
115 clientPut.setTargetFilename(targetFilename.get());
120 private ClientPut createClientPutFromDisk(String uri, String identifier, File file) {
121 ClientPut clientPut = new ClientPut(uri, identifier, UploadFrom.disk);
122 clientPut.setFilename(file.getAbsolutePath());
126 private ClientPut createClientPutRedirect(String uri, String identifier, String redirectUri) {
127 ClientPut clientPut = new ClientPut(uri, identifier, UploadFrom.redirect);
128 clientPut.setTargetURI(redirectUri);
132 private ClientPut createClientPutDirect(String uri, String identifier, long length, InputStream payload) {
133 ClientPut clientPut = new ClientPut(uri, identifier, UploadFrom.direct);
134 clientPut.setDataLength(length);
135 clientPut.setPayloadInputStream(payload);
139 private class ClientPutDialog extends FcpDialog<Optional<Key>> {
141 private final AtomicReference<FcpMessage> originalClientPut = new AtomicReference<>();
142 private final AtomicReference<String> directory = new AtomicReference<>();
143 private final AtomicReference<Key> finalKey = new AtomicReference<>();
144 private final AtomicBoolean putFinished = new AtomicBoolean();
146 public ClientPutDialog() throws IOException {
147 super(ClientPutCommandImpl.this.threadPool, ClientPutCommandImpl.this.connectionSupplier.get());
151 protected boolean isFinished() {
152 return putFinished.get();
156 protected Optional<Key> getResult() {
157 return Optional.ofNullable(finalKey.get());
161 public ListenableFuture<Optional<Key>> send(FcpMessage fcpMessage) throws IOException {
162 originalClientPut.set(fcpMessage);
163 String filename = fcpMessage.getField("Filename");
164 if (filename != null) {
165 directory.set(new File(filename).getParent());
167 return super.send(fcpMessage);
171 protected void consumeURIGenerated(URIGenerated uriGenerated) {
172 for (Consumer<String> keyGenerated : keyGenerateds) {
173 keyGenerated.accept(uriGenerated.getURI());
178 protected void consumePutSuccessful(PutSuccessful putSuccessful) {
179 finalKey.set(new Key(putSuccessful.getURI()));
180 putFinished.set(true);
184 protected void consumePutFailed(PutFailed putFailed) {
185 putFinished.set(true);
189 protected void consumeProtocolError(ProtocolError protocolError) {
190 if (protocolError.getCode() == 25) {
191 setIdentifier(directory.get());
192 sendMessage(new TestDDARequest(directory.get(), true, false));
194 putFinished.set(true);
199 protected void consumeTestDDAReply(TestDDAReply testDDAReply) {
201 String readContent = Files.readAllLines(new File(testDDAReply.getReadFilename()).toPath()).get(0);
202 sendMessage(new TestDDAResponse(directory.get(), readContent));
203 } catch (IOException e) {
204 sendMessage(new TestDDAResponse(directory.get(), "failed-to-read"));
209 protected void consumeTestDDAComplete(TestDDAComplete testDDAComplete) {
210 setIdentifier(originalClientPut.get().getField("Identifier"));
211 sendMessage(originalClientPut.get());