Split generation of FS backend data directory to own class
This will allow to iterate over backends and get the corresponding
data directory without instantiating the LocalLargeFileRepository
instance.
Change-Id: If00ef2c96681a4e702fd7957a7ca0dbf5dae6dad
diff --git a/src/main/java/com/googlesource/gerrit/plugins/lfs/fs/LfsFsDataDirectoryManager.java b/src/main/java/com/googlesource/gerrit/plugins/lfs/fs/LfsFsDataDirectoryManager.java
new file mode 100644
index 0000000..d8e6366
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/lfs/fs/LfsFsDataDirectoryManager.java
@@ -0,0 +1,68 @@
+// Copyright (C) 2019 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.lfs.fs;
+
+import com.google.common.base.Strings;
+import com.google.gerrit.extensions.annotations.PluginData;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import com.googlesource.gerrit.plugins.lfs.LfsBackend;
+import com.googlesource.gerrit.plugins.lfs.LfsConfigurationFactory;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+@Singleton
+public class LfsFsDataDirectoryManager {
+ private static final String KEY_DIRECTORY = "directory";
+
+ private final LfsConfigurationFactory configFactory;
+ private final Path defaultDataDir;
+
+ @Inject
+ LfsFsDataDirectoryManager(
+ LfsConfigurationFactory configFactory, @PluginData Path defaultDataDir) {
+ this.configFactory = configFactory;
+ this.defaultDataDir = defaultDataDir;
+ }
+
+ public Path ensureForBackend(LfsBackend backend) throws IOException {
+ return getForBackend(backend, true);
+ }
+
+ public Path getForBackend(LfsBackend backend, boolean ensure) throws IOException {
+ String dataDir =
+ configFactory.getGlobalConfig().getString(backend.type.name(), backend.name, KEY_DIRECTORY);
+ if (Strings.isNullOrEmpty(dataDir)) {
+ return defaultDataDir;
+ }
+
+ if (ensure) {
+ // note that the following method not only creates missing
+ // directory/directories but throws exception when path
+ // exists and points to file
+ Path ensured = Files.createDirectories(Paths.get(dataDir));
+
+ // we should at least make sure that directory is readable
+ if (!Files.isReadable(ensured)) {
+ throw new IOException("Path '" + ensured.toAbsolutePath() + "' cannot be accessed");
+ }
+
+ return ensured;
+ }
+ return Paths.get(dataDir);
+ }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/lfs/fs/LocalLargeFileRepository.java b/src/main/java/com/googlesource/gerrit/plugins/lfs/fs/LocalLargeFileRepository.java
index f67e0bb..069d163 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/lfs/fs/LocalLargeFileRepository.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/lfs/fs/LocalLargeFileRepository.java
@@ -17,20 +17,14 @@
import static org.eclipse.jgit.lfs.lib.Constants.DOWNLOAD;
import static org.eclipse.jgit.lfs.lib.Constants.UPLOAD;
-import com.google.common.base.Strings;
import com.google.gerrit.extensions.annotations.PluginCanonicalWebUrl;
-import com.google.gerrit.extensions.annotations.PluginData;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import com.googlesource.gerrit.plugins.lfs.LfsBackend;
import com.googlesource.gerrit.plugins.lfs.LfsConfigurationFactory;
-import com.googlesource.gerrit.plugins.lfs.LfsGlobalConfig;
import com.googlesource.gerrit.plugins.lfs.auth.AuthInfo;
import com.googlesource.gerrit.plugins.lfs.auth.ExpiringAction;
import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
import java.time.Instant;
import org.eclipse.jgit.lfs.lib.AnyLongObjectId;
import org.eclipse.jgit.lfs.server.Response;
@@ -50,15 +44,13 @@
@Inject
LocalLargeFileRepository(
+ LfsFsDataDirectoryManager dataDirManager,
LfsConfigurationFactory configFactory,
LfsFsRequestAuthorizer authorizer,
@PluginCanonicalWebUrl String url,
- @PluginData Path defaultDataDir,
@Assisted LfsBackend backend)
throws IOException {
- super(
- getContentUrl(url, backend),
- getOrCreateDataDir(configFactory.getGlobalConfig(), backend, defaultDataDir));
+ super(getContentUrl(url, backend), dataDirManager.ensureForBackend(backend));
this.authorizer = authorizer;
this.servletUrlPattern = "/" + getContentPath(backend) + "*";
this.expiresIn =
@@ -99,24 +91,4 @@
private static String getContentPath(LfsBackend backend) {
return String.format(CONTENT_PATH_TEMPLATE, backend.name());
}
-
- private static Path getOrCreateDataDir(
- LfsGlobalConfig config, LfsBackend backendConfig, Path defaultDataDir) throws IOException {
- String dataDir = config.getString(backendConfig.type.name(), backendConfig.name, "directory");
- if (Strings.isNullOrEmpty(dataDir)) {
- return defaultDataDir;
- }
-
- // note that the following method not only creates missing
- // directory/directories but throws exception when path
- // exists and points to file
- Path ensured = Files.createDirectories(Paths.get(dataDir));
-
- // we should at least make sure that directory is readable
- if (!Files.isReadable(ensured)) {
- throw new IOException("Path '" + ensured.toAbsolutePath() + "' cannot be accessed");
- }
-
- return ensured;
- }
}
