Basic implementation of files API that allows other apps filesystem access

files-api/pom.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>de.77zzcx7.nbs-cloud</groupId>
+        <artifactId>nbs-cloud-aggregator</artifactId>
+        <version>18-SNAPSHOT</version>
+    </parent>
+
+    <groupId>de.77zzcx7.nbs-cloud</groupId>
+    <artifactId>files-api</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>de.77zzcx7.nbs-cloud</groupId>
+            <artifactId>web-container-registry</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

files-api/src/main/java/de/nbscloud/files/api/FilesService.java

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+package de.nbscloud.files.api;
+
+import de.nbscloud.webcontainer.registry.App;
+
+import java.nio.file.Path;
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Optional;
+
+public interface FilesService {
+    record ContentContainer(boolean directory, Path path, String name, long size,
+                                          LocalDateTime lastModified) {
+    }
+
+    public void createAppDirectory(App app);
+
+    public void createDirectory(App app, Path path);
+
+    public void createFile(App app, Path path, byte[] content);
+
+    public void delete(App app, Path path);
+
+    public void get(App app, Path path);
+
+    /**
+     * Paths in return list are always relative to the appDir.
+     *
+     * @param app to list the files for
+     * @param path in case of {@link Optional#EMPTY} the appDir is used as start dir. If not empty, path has to be relative
+     * to the appDir
+     */
+    public List<ContentContainer> list(App app, Optional<Path> path);
+}