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;
18 import net.pterodactylus.fcp.ClientPut;
19 import net.pterodactylus.fcp.FcpMessage;
20 import net.pterodactylus.fcp.Key;
21 import net.pterodactylus.fcp.ProtocolError;
22 import net.pterodactylus.fcp.PutFailed;
23 import net.pterodactylus.fcp.PutSuccessful;
24 import net.pterodactylus.fcp.TestDDAComplete;
25 import net.pterodactylus.fcp.TestDDAReply;
26 import net.pterodactylus.fcp.TestDDARequest;
27 import net.pterodactylus.fcp.TestDDAResponse;
28 import net.pterodactylus.fcp.URIGenerated;
29 import net.pterodactylus.fcp.UploadFrom;
31 import com.google.common.util.concurrent.ListenableFuture;
32 import com.google.common.util.concurrent.ListeningExecutorService;
33 import com.google.common.util.concurrent.MoreExecutors;
36 * Default {@link ClientPutCommand} implemented based on {@link FcpDialog}.
38 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
40 class ClientPutCommandImpl implements ClientPutCommand {
42 private final ListeningExecutorService threadPool;
43 private final ConnectionSupplier connectionSupplier;
44 private final AtomicReference<String> redirectUri = new AtomicReference<>();
45 private final AtomicReference<File> file = new AtomicReference<>();
46 private final AtomicReference<InputStream> payload = new AtomicReference<>();
47 private final AtomicLong length = new AtomicLong();
48 private final AtomicReference<String> targetFilename = new AtomicReference<>();
49 private final List<Consumer<String>> keyGenerateds = new CopyOnWriteArrayList<>();
51 public ClientPutCommandImpl(ExecutorService threadPool, ConnectionSupplier connectionSupplier) {
52 this.threadPool = MoreExecutors.listeningDecorator(threadPool);
53 this.connectionSupplier = connectionSupplier;
57 public ClientPutCommand onKeyGenerated(Consumer<String> keyGenerated) {
58 keyGenerateds.add(keyGenerated);
63 public ClientPutCommand named(String targetFilename) {
64 this.targetFilename.set(targetFilename);
69 public WithUri redirectTo(String uri) {
70 this.redirectUri.set(Objects.requireNonNull(uri, "uri must not be null"));
75 public WithUri from(File file) {
76 this.file.set(Objects.requireNonNull(file, "file must not be null"));
81 public WithLength from(InputStream inputStream) {
82 payload.set(Objects.requireNonNull(inputStream, "inputStream must not be null"));
86 private WithUri length(long length) {
87 this.length.set(length);
91 private Executable<Optional<Key>> key(String uri) {
92 return () -> threadPool.submit(() -> execute(uri));
95 private Optional<Key> execute(String uri) throws InterruptedException, ExecutionException, IOException {
96 String identifier = new RandomIdentifierGenerator().generate();
97 ClientPut clientPut = createClientPutCommand(uri, identifier);
98 try (ClientPutDialog clientPutDialog = new ClientPutDialog()) {
99 return clientPutDialog.send(clientPut).get();
103 private ClientPut createClientPutCommand(String uri, String identifier) {
105 if (file.get() != null) {
106 clientPut = createClientPutFromDisk(uri, identifier, file.get());
107 } else if (redirectUri.get() != null) {
108 clientPut = createClientPutRedirect(uri, identifier, redirectUri.get());
110 clientPut = createClientPutDirect(uri, identifier, length.get(), payload.get());
112 if (targetFilename.get() != null) {
113 clientPut.setTargetFilename(targetFilename.get());
118 private ClientPut createClientPutFromDisk(String uri, String identifier, File file) {
119 ClientPut clientPut = new ClientPut(uri, identifier, UploadFrom.disk);
120 clientPut.setFilename(file.getAbsolutePath());
124 private ClientPut createClientPutRedirect(String uri, String identifier, String redirectUri) {
125 ClientPut clientPut = new ClientPut(uri, identifier, UploadFrom.redirect);
126 clientPut.setTargetURI(redirectUri);
130 private ClientPut createClientPutDirect(String uri, String identifier, long length, InputStream payload) {
131 ClientPut clientPut = new ClientPut(uri, identifier, UploadFrom.direct);
132 clientPut.setDataLength(length);
133 clientPut.setPayloadInputStream(payload);
137 private class ClientPutDialog extends FcpDialog<Optional<Key>> {
139 private final AtomicReference<FcpMessage> originalClientPut = new AtomicReference<>();
140 private final AtomicReference<String> directory = new AtomicReference<>();
141 private final AtomicReference<Key> finalKey = new AtomicReference<>();
142 private final AtomicBoolean putFinished = new AtomicBoolean();
144 public ClientPutDialog() throws IOException {
145 super(ClientPutCommandImpl.this.threadPool, ClientPutCommandImpl.this.connectionSupplier.get());
149 protected boolean isFinished() {
150 return putFinished.get();
154 protected Optional<Key> getResult() {
155 return Optional.ofNullable(finalKey.get());
159 public ListenableFuture<Optional<Key>> send(FcpMessage fcpMessage) throws IOException {
160 originalClientPut.set(fcpMessage);
161 String filename = fcpMessage.getField("Filename");
162 if (filename != null) {
163 directory.set(new File(filename).getParent());
165 return super.send(fcpMessage);
169 protected void consumeURIGenerated(URIGenerated uriGenerated) {
170 for (Consumer<String> keyGenerated : keyGenerateds) {
171 keyGenerated.accept(uriGenerated.getURI());
176 protected void consumePutSuccessful(PutSuccessful putSuccessful) {
177 finalKey.set(new Key(putSuccessful.getURI()));
178 putFinished.set(true);
182 protected void consumePutFailed(PutFailed putFailed) {
183 putFinished.set(true);
187 protected void consumeProtocolError(ProtocolError protocolError) {
188 if (protocolError.getCode() == 25) {
189 setIdentifier(directory.get());
190 sendMessage(new TestDDARequest(directory.get(), true, false));
192 putFinished.set(true);
197 protected void consumeTestDDAReply(TestDDAReply testDDAReply) {
199 String readContent = Files.readAllLines(new File(testDDAReply.getReadFilename()).toPath()).get(0);
200 sendMessage(new TestDDAResponse(directory.get(), readContent));
201 } catch (IOException e) {
202 sendMessage(new TestDDAResponse(directory.get(), "failed-to-read"));
207 protected void consumeTestDDAComplete(TestDDAComplete testDDAComplete) {
208 setIdentifier(originalClientPut.get().getField("Identifier"));
209 sendMessage(originalClientPut.get());