Add dynamic tunnels

core/src/main/java/io/xpipe/core/impl/InternalStreamStore.java

@@ -9,13 +9,10 @@ import lombok.Getter;
 import lombok.experimental.SuperBuilder;
 import lombok.extern.jackson.Jacksonized;
 
-import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.time.Instant;
-import java.util.Optional;
 import java.util.UUID;
 
 @JsonTypeName("internalStream")
@@ -35,20 +32,10 @@ public class InternalStreamStore extends JacksonizedValue implements StreamDataS
         return DataFlow.INPUT_OUTPUT;
     }
 
-    @Override
-    public Optional<String> determineDefaultName() {
-        return Optional.of(uuid.toString());
-    }
-
     private Path getFile() {
         return DataStateProvider.get().getInternalStreamStore(uuid);
     }
 
-    @Override
-    public Optional<Instant> determineLastModified() throws IOException {
-        return Optional.of(Files.getLastModifiedTime(getFile()).toInstant());
-    }
-
     @Override
     public InputStream openInput() throws Exception {
         return Files.newInputStream(getFile());

core/src/main/java/io/xpipe/core/impl/LocalDirectoryDataStore.java

@@ -5,11 +5,7 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 import io.xpipe.core.store.DataStore;
 import lombok.EqualsAndHashCode;
 
-import java.io.IOException;
-import java.nio.file.Files;
 import java.nio.file.Path;
-import java.time.Instant;
-import java.util.Optional;
 
 @JsonTypeName("localDir")
 @EqualsAndHashCode
@@ -22,21 +18,6 @@ public class LocalDirectoryDataStore implements DataStore {
         this.file = file;
     }
 
-    @Override
-    public Optional<String> determineDefaultName() {
-        return Optional.of(file.getFileName().toString());
-    }
-
-    @Override
-    public Optional<Instant> determineLastModified() {
-        try {
-            var l = Files.getLastModifiedTime(file);
-            return Optional.of(l.toInstant());
-        } catch (IOException e) {
-            return Optional.empty();
-        }
-    }
-
     public Path getPath() {
         return file;
     }

core/src/main/java/io/xpipe/core/impl/NamedStore.java

@@ -6,9 +6,6 @@ import lombok.Getter;
 import lombok.experimental.SuperBuilder;
 import lombok.extern.jackson.Jacksonized;
 
-import java.time.Instant;
-import java.util.Optional;
-
 /**
  * A store that refers to another store in the XPipe storage.
  * The referenced store has to be resolved by the caller manually, as this class does not act as a resolver.
@@ -36,13 +33,4 @@ public final class NamedStore implements DataStore {
         throw new UnsupportedOperationException();
     }
 
-    @Override
-    public Optional<String> determineDefaultName() {
-        throw new UnsupportedOperationException();
-    }
-
-    @Override
-    public Optional<Instant> determineLastModified() {
-        throw new UnsupportedOperationException();
-    }
 }

core/src/main/java/io/xpipe/core/store/DataStore.java

@@ -5,10 +5,6 @@ import io.xpipe.core.impl.StdinDataStore;
 import io.xpipe.core.impl.StdoutDataStore;
 import io.xpipe.core.source.DataSource;
 
-import java.io.IOException;
-import java.time.Instant;
-import java.util.Optional;
-
 /**
  * A data store represents some form of a location where data is stored, e.g. a file or a database.
  * It does not contain any information on what data is stored,
@@ -77,6 +73,10 @@ public interface DataStore {
      */
     default void validate() throws Exception {}
 
+    default void initializeValidate() throws Exception {}
+
+    default void finalizeValidate() throws Exception {}
+
     default void checkComplete() throws Exception {}
 
     default boolean delete() {
@@ -90,19 +90,4 @@ public interface DataStore {
     default <DS extends DataStore> DS asNeeded() {
         return (DS) this;
     }
-
-    /**
-     * Determines on optional default name for this data store that is
-     * used when determining a suitable default name for a data source.
-     */
-    default Optional<String> determineDefaultName() {
-        return Optional.empty();
-    }
-
-    /**
-     * Determines the last modified of this data store if this data store supports it.
-     */
-    default Optional<Instant> determineLastModified() throws IOException {
-        return Optional.empty();
-    }
 }

core/src/main/java/io/xpipe/core/store/FilenameStore.java

@@ -1,20 +1,11 @@
 package io.xpipe.core.store;
 
-import java.util.Optional;
-
 /**
  * Represents a store that has a filename.
  * Note that this does not only apply to file stores but any other store as well that has some kind of file name.
  */
 public interface FilenameStore extends DataStore {
 
-    @Override
-    default Optional<String> determineDefaultName() {
-        var n = getFileName();
-        var i = n.lastIndexOf('.');
-        return Optional.of(i != -1 ? n.substring(0, i) : n);
-    }
-
     default String getFileExtension() {
         var split = getFileName().split("[\\\\.]");
         if (split.length == 0) {

core/src/main/java/io/xpipe/core/store/StatefulDataStore.java

@@ -6,6 +6,10 @@ import java.util.function.Supplier;
 
 public interface StatefulDataStore extends DataStore {
 
+    default boolean isInStorage() {
+        return DataStateProvider.get().isInStorage(this);
+    }
+
     default <T> T getState(String key, Class<T> c, T def) {
         return DataStateProvider.get().getState(this, key, c, () -> def);
     }

core/src/main/java/io/xpipe/core/util/DataStateProvider.java

@@ -25,5 +25,7 @@ public abstract class DataStateProvider {
 
     public abstract <T> T getState(DataStore store, String key, Class<T> c, Supplier<T> def);
 
+    public abstract boolean isInStorage(DataStore store);
+
     public abstract Path getInternalStreamStore(UUID id);
 }