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From btell...@apache.org
Subject [01/19] james-project git commit: JAMES-2541 Introduce a naive memory blob store implementation
Date Mon, 10 Sep 2018 10:34:04 GMT
Repository: james-project
Updated Branches:
  refs/heads/master 02d3f17ac -> 1d073e4c0


JAMES-2541 Introduce a naive memory blob store implementation


Project: http://git-wip-us.apache.org/repos/asf/james-project/repo
Commit: http://git-wip-us.apache.org/repos/asf/james-project/commit/a207098d
Tree: http://git-wip-us.apache.org/repos/asf/james-project/tree/a207098d
Diff: http://git-wip-us.apache.org/repos/asf/james-project/diff/a207098d

Branch: refs/heads/master
Commit: a207098dbc3233a2fb6999be68a8e2fdd0749e5c
Parents: 02d3f17
Author: Benoit Tellier <btellier@linagora.com>
Authored: Thu Sep 6 13:14:03 2018 +0700
Committer: Benoit Tellier <btellier@linagora.com>
Committed: Mon Sep 10 17:17:40 2018 +0700

----------------------------------------------------------------------
 server/blob/blob-memory/pom.xml                 | 66 +++++++++++++++++
 .../james/blob/memory/MemoryBlobStore.java      | 77 ++++++++++++++++++++
 .../james/blob/memory/MemoryBlobStoreTest.java  | 47 ++++++++++++
 server/blob/pom.xml                             |  1 +
 4 files changed, 191 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/james-project/blob/a207098d/server/blob/blob-memory/pom.xml
----------------------------------------------------------------------
diff --git a/server/blob/blob-memory/pom.xml b/server/blob/blob-memory/pom.xml
new file mode 100644
index 0000000..ecc47f3
--- /dev/null
+++ b/server/blob/blob-memory/pom.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements. See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership. The ASF licenses this file
+    to you 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.
+-->
+<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/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <artifactId>james-server-blob</artifactId>
+        <groupId>org.apache.james</groupId>
+        <version>3.2.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>blob-memory</artifactId>
+
+    <name>Apache James :: Server :: Blob :: Memory</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>${james.groupId}</groupId>
+            <artifactId>blob-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>${james.groupId}</groupId>
+            <artifactId>blob-api</artifactId>
+            <type>test-jar</type>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-launcher</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/james-project/blob/a207098d/server/blob/blob-memory/src/main/java/org/apache/james/blob/memory/MemoryBlobStore.java
----------------------------------------------------------------------
diff --git a/server/blob/blob-memory/src/main/java/org/apache/james/blob/memory/MemoryBlobStore.java
b/server/blob/blob-memory/src/main/java/org/apache/james/blob/memory/MemoryBlobStore.java
new file mode 100644
index 0000000..ec3be33
--- /dev/null
+++ b/server/blob/blob-memory/src/main/java/org/apache/james/blob/memory/MemoryBlobStore.java
@@ -0,0 +1,77 @@
+/****************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one   *
+ * or more contributor license agreements.  See the NOTICE file *
+ * distributed with this work for additional information        *
+ * regarding copyright ownership.  The ASF licenses this file   *
+ * to you 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 org.apache.james.blob.memory;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.james.blob.api.BlobId;
+import org.apache.james.blob.api.BlobStore;
+
+import com.google.common.base.Preconditions;
+
+public class MemoryBlobStore implements BlobStore {
+    private final ConcurrentHashMap<BlobId, byte[]> blobs;
+    private final BlobId.Factory factory;
+
+    public MemoryBlobStore(BlobId.Factory factory) {
+        this.factory = factory;
+        blobs = new ConcurrentHashMap<>();
+    }
+
+    @Override
+    public CompletableFuture<BlobId> save(byte[] data) {
+        Preconditions.checkNotNull(data);
+        BlobId blobId = factory.forPayload(data);
+
+        blobs.put(blobId, data);
+
+        return CompletableFuture.completedFuture(blobId);
+    }
+
+    @Override
+    public CompletableFuture<BlobId> save(InputStream data) {
+        Preconditions.checkNotNull(data);
+        try {
+            byte[] bytes = IOUtils.toByteArray(data);
+            return save(bytes);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public CompletableFuture<byte[]> readBytes(BlobId blobId) {
+        return CompletableFuture.completedFuture(retrieveStoredValue(blobId));
+    }
+
+    @Override
+    public InputStream read(BlobId blobId) {
+        return new ByteArrayInputStream(retrieveStoredValue(blobId));
+    }
+
+    private byte[] retrieveStoredValue(BlobId blobId) {
+        return blobs.getOrDefault(blobId, new byte[]{});
+    }
+}

http://git-wip-us.apache.org/repos/asf/james-project/blob/a207098d/server/blob/blob-memory/src/test/java/org/apache/james/blob/memory/MemoryBlobStoreTest.java
----------------------------------------------------------------------
diff --git a/server/blob/blob-memory/src/test/java/org/apache/james/blob/memory/MemoryBlobStoreTest.java
b/server/blob/blob-memory/src/test/java/org/apache/james/blob/memory/MemoryBlobStoreTest.java
new file mode 100644
index 0000000..098506a
--- /dev/null
+++ b/server/blob/blob-memory/src/test/java/org/apache/james/blob/memory/MemoryBlobStoreTest.java
@@ -0,0 +1,47 @@
+/****************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one   *
+ * or more contributor license agreements.  See the NOTICE file *
+ * distributed with this work for additional information        *
+ * regarding copyright ownership.  The ASF licenses this file   *
+ * to you 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 org.apache.james.blob.memory;
+
+import org.apache.james.blob.api.BlobId;
+import org.apache.james.blob.api.BlobStore;
+import org.apache.james.blob.api.BlobStoreContract;
+import org.apache.james.blob.api.HashBlobId;
+import org.junit.jupiter.api.BeforeEach;
+
+public class MemoryBlobStoreTest implements BlobStoreContract {
+
+    private static final HashBlobId.Factory BLOB_ID_FACTORY = new HashBlobId.Factory();
+    private MemoryBlobStore memoryBlobStore;
+
+    @BeforeEach
+    void setUp() {
+        memoryBlobStore = new MemoryBlobStore(BLOB_ID_FACTORY);
+    }
+
+    @Override
+    public BlobStore testee() {
+        return memoryBlobStore;
+    }
+
+    @Override
+    public BlobId.Factory blobIdFactory() {
+        return BLOB_ID_FACTORY;
+    }
+}

http://git-wip-us.apache.org/repos/asf/james-project/blob/a207098d/server/blob/pom.xml
----------------------------------------------------------------------
diff --git a/server/blob/pom.xml b/server/blob/pom.xml
index 05942ef..ad1754d 100644
--- a/server/blob/pom.xml
+++ b/server/blob/pom.xml
@@ -35,6 +35,7 @@
     <modules>
         <module>blob-api</module>
         <module>blob-cassandra</module>
+        <module>blob-memory</module>
         <module>blob-objectstorage</module>
     </modules>
 


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