1 package net.pterodactylus.fcp.quelaton;
4 import java.io.IOException;
5 import java.io.InputStream;
6 import java.nio.file.Files;
7 import java.util.Objects;
8 import java.util.Optional;
9 import java.util.concurrent.ExecutionException;
10 import java.util.concurrent.ExecutorService;
11 import java.util.concurrent.atomic.AtomicBoolean;
12 import java.util.concurrent.atomic.AtomicLong;
13 import java.util.concurrent.atomic.AtomicReference;
15 import net.pterodactylus.fcp.ClientPut;
16 import net.pterodactylus.fcp.FcpMessage;
17 import net.pterodactylus.fcp.Key;
18 import net.pterodactylus.fcp.ProtocolError;
19 import net.pterodactylus.fcp.PutFailed;
20 import net.pterodactylus.fcp.PutSuccessful;
21 import net.pterodactylus.fcp.TestDDAComplete;
22 import net.pterodactylus.fcp.TestDDAReply;
23 import net.pterodactylus.fcp.TestDDARequest;
24 import net.pterodactylus.fcp.TestDDAResponse;
25 import net.pterodactylus.fcp.UploadFrom;
27 import com.google.common.util.concurrent.ListenableFuture;
28 import com.google.common.util.concurrent.ListeningExecutorService;
29 import com.google.common.util.concurrent.MoreExecutors;
32 * Default {@link ClientPutCommand} implemented based on {@link FcpReplySequence}.
34 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
36 class ClientPutCommandImpl implements ClientPutCommand {
38 private final ListeningExecutorService threadPool;
39 private final ConnectionSupplier connectionSupplier;
40 private final AtomicReference<String> redirectUri = new AtomicReference<>();
41 private final AtomicReference<File> file = new AtomicReference<>();
42 private final AtomicReference<InputStream> payload = new AtomicReference<>();
43 private final AtomicLong length = new AtomicLong();
44 private final AtomicReference<String> targetFilename = new AtomicReference<>();
46 public ClientPutCommandImpl(ExecutorService threadPool, ConnectionSupplier connectionSupplier) {
47 this.threadPool = MoreExecutors.listeningDecorator(threadPool);
48 this.connectionSupplier = connectionSupplier;
52 public ClientPutCommand named(String targetFilename) {
53 this.targetFilename.set(targetFilename);
58 public WithUri<Executable<Optional<Key>>> redirectTo(String uri) {
59 this.redirectUri.set(Objects.requireNonNull(uri, "uri must not be null"));
64 public WithUri<Executable<Optional<Key>>> from(File file) {
65 this.file.set(Objects.requireNonNull(file, "file must not be null"));
70 public WithLength<WithUri<Executable<Optional<Key>>>> from(InputStream inputStream) {
71 payload.set(Objects.requireNonNull(inputStream, "inputStream must not be null"));
75 private WithUri<Executable<Optional<Key>>> length(long length) {
76 this.length.set(length);
80 private Executable<Optional<Key>> key(String uri) {
81 return () -> threadPool.submit(() -> execute(uri));
84 private Optional<Key> execute(String uri) throws InterruptedException, ExecutionException, IOException {
85 String identifier = new RandomIdentifierGenerator().generate();
86 ClientPut clientPut = createClientPutCommand(uri, identifier);
87 try (ClientPutReplySequence clientPutReplySequence = new ClientPutReplySequence()) {
88 return clientPutReplySequence.send(clientPut).get();
92 private ClientPut createClientPutCommand(String uri, String identifier) {
94 if (file.get() != null) {
95 clientPut = createClientPutFromDisk(uri, identifier, file.get());
96 } else if (redirectUri.get() != null) {
97 clientPut = createClientPutRedirect(uri, identifier, redirectUri.get());
99 clientPut = createClientPutDirect(uri, identifier, length.get(), payload.get());
101 if (targetFilename.get() != null) {
102 clientPut.setTargetFilename(targetFilename.get());
107 private ClientPut createClientPutFromDisk(String uri, String identifier, File file) {
108 ClientPut clientPut = new ClientPut(uri, identifier, UploadFrom.disk);
109 clientPut.setFilename(file.getAbsolutePath());
113 private ClientPut createClientPutRedirect(String uri, String identifier, String redirectUri) {
114 ClientPut clientPut = new ClientPut(uri, identifier, UploadFrom.redirect);
115 clientPut.setTargetURI(redirectUri);
119 private ClientPut createClientPutDirect(String uri, String identifier, long length, InputStream payload) {
120 ClientPut clientPut = new ClientPut(uri, identifier, UploadFrom.direct);
121 clientPut.setDataLength(length);
122 clientPut.setPayloadInputStream(payload);
126 private class ClientPutReplySequence extends FcpReplySequence<Optional<Key>> {
128 private final AtomicReference<FcpMessage> originalClientPut = new AtomicReference<>();
129 private final AtomicReference<String> directory = new AtomicReference<>();
130 private final AtomicReference<Key> finalKey = new AtomicReference<>();
131 private final AtomicBoolean putFinished = new AtomicBoolean();
133 public ClientPutReplySequence() throws IOException {
134 super(ClientPutCommandImpl.this.threadPool, ClientPutCommandImpl.this.connectionSupplier.get());
138 protected boolean isFinished() {
139 return putFinished.get();
143 protected Optional<Key> getResult() {
144 return Optional.ofNullable(finalKey.get());
148 public ListenableFuture<Optional<Key>> send(FcpMessage fcpMessage) throws IOException {
149 originalClientPut.set(fcpMessage);
150 String filename = fcpMessage.getField("Filename");
151 if (filename != null) {
152 directory.set(new File(filename).getParent());
154 return super.send(fcpMessage);
158 protected void consumePutSuccessful(PutSuccessful putSuccessful) {
159 finalKey.set(new Key(putSuccessful.getURI()));
160 putFinished.set(true);
164 protected void consumePutFailed(PutFailed putFailed) {
165 putFinished.set(true);
169 protected void consumeProtocolError(ProtocolError protocolError) {
170 if (protocolError.getCode() == 25) {
171 setIdentifier(directory.get());
172 sendMessage(new TestDDARequest(directory.get(), true, false));
174 putFinished.set(true);
179 protected void consumeTestDDAReply(TestDDAReply testDDAReply) {
181 String readContent = Files.readAllLines(new File(testDDAReply.getReadFilename()).toPath()).get(0);
182 sendMessage(new TestDDAResponse(directory.get(), readContent));
183 } catch (IOException e) {
184 sendMessage(new TestDDAResponse(directory.get(), "failed-to-read"));
189 protected void consumeTestDDAComplete(TestDDAComplete testDDAComplete) {
190 setIdentifier(originalClientPut.get().getField("Identifier"));
191 sendMessage(originalClientPut.get());