Fix storage performance

BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/web/MapStorageRequestHandler.java

@@ -172,7 +172,7 @@ private void writeToResponse(CompressedInputStream data, HttpResponse response,
             byte[] compressedData = byteOut.toByteArray();
             response.setData(new ByteArrayInputStream(compressedData));
         } else {
-            response.setData(data.decompress());
+            response.setData(new BufferedInputStream(data.decompress()));
         }
     }
 

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/storage/CompressedInputStream.java

@@ -24,11 +24,12 @@
  */
 package de.bluecolored.bluemap.core.storage;
 
-import java.io.FilterInputStream;
+import de.bluecolored.bluemap.core.util.DelegateInputStream;
+
 import java.io.IOException;
 import java.io.InputStream;
 
-public class CompressedInputStream extends FilterInputStream {
+public class CompressedInputStream extends DelegateInputStream {
 
     private final Compression compression;
 

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/storage/file/FileStorage.java

@@ -72,10 +72,8 @@ public OutputStream writeMapTile(String mapId, int lod, Vector2i tile) throws IO
         Path file = getFilePath(mapId, lod, tile);
 
         OutputStream os = FileHelper.createFilepartOutputStream(file);
-        os = new BufferedOutputStream(os);
-
         try {
-            os = compression.compress(os);
+            os = new BufferedOutputStream(compression.compress(os));
         } catch (IOException ex) {
             os.close();
             throw ex;
@@ -92,8 +90,6 @@ public Optional<CompressedInputStream> readMapTile(String mapId, int lod, Vector
         if (!Files.exists(file)) return Optional.empty();
 
         InputStream is = Files.newInputStream(file, StandardOpenOption.READ);
-        is = new BufferedInputStream(is);
-
         return Optional.of(new CompressedInputStream(is, compression));
     }
 
@@ -142,9 +138,7 @@ public OutputStream writeMeta(String mapId, String name) throws IOException {
         Path file = getMetaFilePath(mapId, name);
 
         OutputStream os = FileHelper.createFilepartOutputStream(file);
-        os = new BufferedOutputStream(os);
+        return new BufferedOutputStream(os);
-
-        return os;
     }
 
     @Override
@@ -154,9 +148,7 @@ public Optional<InputStream> readMeta(String mapId, String name) throws IOExcept
         if (!Files.exists(file)) return Optional.empty();
 
         InputStream is = Files.newInputStream(file, StandardOpenOption.READ);
-        is = new BufferedInputStream(is);
+        return Optional.of(new BufferedInputStream(is));
-
-        return Optional.of(is);
     }
 
     @Override

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/storage/sql/MySQLStorage.java

@@ -28,7 +28,7 @@
 
 import java.net.MalformedURLException;
 
-public class MySQLStorage extends SQLStorage{
+public class MySQLStorage extends SQLStorage {
 
     public MySQLStorage(SQLStorageSettings config) throws MalformedURLException, SQLDriverException {
         super(MySQLDialect.INSTANCE, config);

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/storage/sql/PostgreSQLStorage.java

@@ -51,7 +51,7 @@ public PostgreSQLStorage(Dialect dialect, SQLStorageSettings config) throws Malf
     public OutputStream writeMapTile(String mapId, int lod, Vector2i tile) throws IOException {
         Compression compression = lod == 0 ? this.hiresCompression : Compression.NONE;
         ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
-        return new OnCloseOutputStream(compression.compress(byteOut), () -> {
+        return new OnCloseOutputStream(new BufferedOutputStream(compression.compress(byteOut)), () -> {
             int mapFK = getMapFK(mapId);
             int tileCompressionFK = getMapTileCompressionFK(compression);
 

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/storage/sql/SQLStorage.java

@@ -108,7 +108,7 @@ public OutputStream writeMapTile(String mapId, int lod, Vector2i tile) throws IO
         Compression compression = lod == 0 ? this.hiresCompression : Compression.NONE;
 
         ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
-        return new OnCloseOutputStream(compression.compress(byteOut), () -> {
+        return new OnCloseOutputStream(new BufferedOutputStream(compression.compress(byteOut)), () -> {
             int mapFK = getMapFK(mapId);
             int tileCompressionFK = getMapTileCompressionFK(compression);
 

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/util/DelegateInputStream.java

@@ -0,0 +1,82 @@
+package de.bluecolored.bluemap.core.util;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+public class DelegateInputStream extends InputStream {
+
+    protected final InputStream in;
+
+    public DelegateInputStream(InputStream in) {
+        this.in = in;
+    }
+
+    @Override
+    public int read() throws IOException {
+        return in.read();
+    }
+
+    @Override
+    public int read(byte @NotNull [] b) throws IOException {
+        return in.read(b);
+    }
+
+    @Override
+    public int read(byte @NotNull [] b, int off, int len) throws IOException {
+        return in.read(b, off, len);
+    }
+
+    @Override
+    public byte[] readAllBytes() throws IOException {
+        return in.readAllBytes();
+    }
+
+    @Override
+    public byte[] readNBytes(int len) throws IOException {
+        return in.readNBytes(len);
+    }
+
+    @Override
+    public int readNBytes(byte[] b, int off, int len) throws IOException {
+        return in.readNBytes(b, off, len);
+    }
+
+    @Override
+    public long skip(long n) throws IOException {
+        return in.skip(n);
+    }
+
+    @Override
+    public int available() throws IOException {
+        return in.available();
+    }
+
+    @Override
+    public void close() throws IOException {
+        in.close();
+    }
+
+    @Override
+    public boolean markSupported() {
+        return in.markSupported();
+    }
+
+    @Override
+    public synchronized void mark(int readlimit) {
+        in.mark(readlimit);
+    }
+
+    @Override
+    public synchronized void reset() throws IOException {
+        in.reset();
+    }
+
+    @Override
+    public long transferTo(OutputStream out) throws IOException {
+        return in.transferTo(out);
+    }
+
+}

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/util/DelegateOutputStream.java

@@ -0,0 +1,41 @@
+package de.bluecolored.bluemap.core.util;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class DelegateOutputStream extends OutputStream {
+
+    protected final OutputStream out;
+
+    public DelegateOutputStream(OutputStream out) {
+        this.out = out;
+    }
+
+    @Override
+    public void write(int b) throws IOException {
+        out.write(b);
+    }
+
+    @Override
+    public void write(byte @NotNull [] b) throws IOException {
+        out.write(b);
+    }
+
+    @Override
+    public void write(byte @NotNull [] b, int off, int len) throws IOException {
+        out.write(b, off, len);
+    }
+
+    @Override
+    public void flush() throws IOException {
+        out.flush();
+    }
+
+    @Override
+    public void close() throws IOException {
+        out.close();
+    }
+
+}

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/util/OnCloseInputStream.java

@@ -24,11 +24,10 @@
  */
 package de.bluecolored.bluemap.core.util;
 
-import java.io.FilterInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 
-public class OnCloseInputStream extends FilterInputStream {
+public class OnCloseInputStream extends DelegateInputStream {
 
     private final AutoCloseable onClose;
 
@@ -42,7 +41,7 @@ public void close() throws IOException {
         IOException ioExcetion = null;
 
         try {
-            in.close();
+            super.close();
         } catch (IOException ex) {
             ioExcetion = ex;
         }

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/util/OnCloseOutputStream.java

@@ -24,11 +24,10 @@
  */
 package de.bluecolored.bluemap.core.util;
 
-import java.io.FilterOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 
-public class OnCloseOutputStream extends FilterOutputStream {
+public class OnCloseOutputStream extends DelegateOutputStream {
 
     private final AutoCloseable onClose;
 
@@ -42,7 +41,7 @@ public void close() throws IOException {
         IOException ioExcetion = null;
 
         try {
-            out.close();
+            super.close();
         } catch (IOException ex) {
             ioExcetion = ex;
         }