From c0042e393fa3f41608b6c9da189f685499a0a926 Mon Sep 17 00:00:00 2001 From: unknown Date: Sat, 7 Apr 2018 17:22:11 +0530 Subject: [PATCH] Adding a compress response filter,registering filter --- .../core/boot/WebXmlConfiguration.java | 3 ++ .../core/filters/ResponseCompressFilter.java | 43 ++++++++++++++++++ .../core/writer/GZipResponseWriter.java | 45 +++++++++++++++++++ 3 files changed, 91 insertions(+) create mode 100644 fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/filters/ResponseCompressFilter.java create mode 100644 fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/writer/GZipResponseWriter.java diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/boot/WebXmlConfiguration.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/boot/WebXmlConfiguration.java index 6a8f702b903..ce2b7e3d8d9 100644 --- a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/boot/WebXmlConfiguration.java +++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/boot/WebXmlConfiguration.java @@ -21,6 +21,7 @@ import javax.servlet.Filter; import javax.servlet.Servlet; +import org.apache.fineract.infrastructure.core.filters.ResponseCompressFilter; import org.apache.fineract.infrastructure.core.filters.ResponseCorsFilter; import org.apache.fineract.infrastructure.security.filter.TenantAwareBasicAuthenticationFilter; import org.springframework.beans.factory.annotation.Autowired; @@ -63,6 +64,8 @@ public ServletRegistrationBean jersey() { jerseyServletRegistration.addInitParameter("com.sun.jersey.spi.container.ContainerResponseFilters", ResponseCorsFilter.class.getName()); jerseyServletRegistration.addInitParameter("com.sun.jersey.config.feature.DisableWADL", "true"); + jerseyServletRegistration.addInitParameter("com.sun.jersey.spi.container.ContainerResponseFilters", + ResponseCompressFilter.class.getName()); // debugging for development: // jerseyServletRegistration.addInitParameter("com.sun.jersey.spi.container.ContainerRequestFilters", // LoggingFilter.class.getName()); diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/filters/ResponseCompressFilter.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/filters/ResponseCompressFilter.java new file mode 100644 index 00000000000..67185bf95ae --- /dev/null +++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/filters/ResponseCompressFilter.java @@ -0,0 +1,43 @@ +/** + * 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.fineract.infrastructure.core.filters; + +import com.sun.jersey.spi.container.ContainerRequest; +import com.sun.jersey.spi.container.ContainerResponse; +import com.sun.jersey.spi.container.ContainerResponseFilter; +import org.apache.fineract.infrastructure.core.writer.GZipResponseWriter; + +import javax.ws.rs.core.HttpHeaders; + +/** + * Filter that compresses the response using gzip + */ + +public class ResponseCompressFilter implements ContainerResponseFilter { + + @Override + public ContainerResponse filter(ContainerRequest request, ContainerResponse response) { + if (request.getRequestHeaders().getFirst(HttpHeaders.ACCEPT_ENCODING).contains("gzip")) { + response.getHttpHeaders().add(HttpHeaders.CONTENT_ENCODING, "gzip"); + response.setContainerResponseWriter( new GZipResponseWriter(response.getContainerResponseWriter())); + } + + return response; + } +} diff --git a/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/writer/GZipResponseWriter.java b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/writer/GZipResponseWriter.java new file mode 100644 index 00000000000..1368798eced --- /dev/null +++ b/fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/writer/GZipResponseWriter.java @@ -0,0 +1,45 @@ +/** + * 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.fineract.infrastructure.core.writer; + +import com.sun.jersey.spi.container.ContainerResponse; +import com.sun.jersey.spi.container.ContainerResponseWriter; +import java.io.IOException; +import java.io.OutputStream; +import java.util.zip.GZIPOutputStream; + +public class GZipResponseWriter implements ContainerResponseWriter { + private final ContainerResponseWriter crw; + + private GZIPOutputStream gos; + + public GZipResponseWriter(ContainerResponseWriter crw) { + this.crw = crw; + } + + public OutputStream writeStatusAndHeaders(long contentLength, ContainerResponse response) throws IOException { + gos = new GZIPOutputStream(crw.writeStatusAndHeaders(-1, response)); + return gos; + } + + public void finish() throws IOException { + gos.finish(); + crw.finish(); + } +}