Add more encodings

telegrambots/pom.xml

@@ -110,9 +110,9 @@
             <artifactId>jackson-jaxrs-json-provider</artifactId>
         </dependency>
         <dependency>
-            <groupId>com.angusmorton</groupId>
-            <artifactId>brotli-interceptor</artifactId>
-            <version>1.0.0</version>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-compress</artifactId>
+            <version>1.21</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.module</groupId>

telegrambots/src/main/java/org/telegram/telegrambots/updatesreceivers/CompressionEncoder.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2012, 2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the
+ * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+ * version 2 with the GNU Classpath Exception, which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package org.telegram.telegrambots.updatesreceivers;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import javax.annotation.Priority;
+import javax.ws.rs.Priorities;
+import javax.ws.rs.core.HttpHeaders;
+import org.apache.commons.compress.compressors.CompressorException;
+import org.apache.commons.compress.compressors.CompressorStreamFactory;
+import org.glassfish.jersey.spi.ContentEncoder;
+
+/**
+ * BR encoding support. Interceptor that encodes the output or decodes the input if
+ * {@link HttpHeaders#CONTENT_ENCODING Content-Encoding header} value equals to {@code br} or {@code x-br}.
+ *
+ * @author Martin Matula
+ */
+@Priority(Priorities.ENTITY_CODER)
+public class CompressionEncoder extends ContentEncoder {
+    /**
+     * Initialize BrEncoder.
+     */
+    public CompressionEncoder() {
+        super("br", "x-br", "deflate", "deflate64", "gzip", "zstd", "lz4", "lzma");
+    }
+
+    private String translateEncoding(String contentEncoding) throws IOException {
+        switch (contentEncoding) {
+            case "br":
+            case "x-br":
+                return CompressorStreamFactory.BROTLI;
+            case "deflate":
+                return CompressorStreamFactory.DEFLATE;
+            case "deflate64":
+                return CompressorStreamFactory.DEFLATE64;
+            case "gzip":
+                return CompressorStreamFactory.GZIP;
+            case "zstd":
+                return CompressorStreamFactory.ZSTANDARD;
+            case "lz4":
+                return CompressorStreamFactory.LZ4_BLOCK;
+            case "lzma":
+                return CompressorStreamFactory.LZMA;
+            default:
+                throw new IOException("Unsupported encoding " + contentEncoding);
+        }
+    }
+
+    @Override
+    public InputStream decode(String contentEncoding, InputStream encodedStream)
+        throws IOException {
+        try {
+            String enc = translateEncoding(contentEncoding);
+            return new CompressorStreamFactory().createCompressorInputStream(enc, encodedStream);
+        } catch (CompressorException e) {
+            throw new IOException(e);
+        }
+    }
+
+    @Override
+    public OutputStream encode(String contentEncoding, OutputStream entityStream)
+        throws IOException {
+        try {
+            String enc = translateEncoding(contentEncoding);
+            return new CompressorStreamFactory().createCompressorOutputStream(enc, entityStream);
+        } catch (CompressorException e) {
+            throw new IOException(e);
+        }
+    }
+}

telegrambots/src/main/java/org/telegram/telegrambots/updatesreceivers/RestApi.java

@@ -11,7 +11,9 @@ import javax.ws.rs.Produces;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.Status;
+import javax.ws.rs.ext.Provider;
 import lombok.extern.slf4j.Slf4j;
+import org.glassfish.grizzly.compression.zip.GZipDecoder;
 import org.telegram.telegrambots.Constants;
 import org.telegram.telegrambots.meta.api.methods.BotApiMethod;
 import org.telegram.telegrambots.meta.api.objects.Update;