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Upgrade HttpComponentsHIRE to HttpComponents 4.3 

Previously, HttpComponentsHttpInvokerRequestExecutor was not compatible
with the new API of HttpComponents 4.3. Specifically, it is not possible
to update the socket and read timeouts on the HttpClient itself anymore.

We actually already updated HttpComponentsClientHttpRequestFactory for a
similar problem in SPR-11442: if we detect an older HttpClient
implementation, we update the timeout directly on the client. If that's
not the case, we keep the value in the factory itself and use it when a
new HttpRequest needs to be created.

This commit also uses the new API to create a default HttpClient and
therefore requires HttpComponents 4.3. As mentioned above, it is still
possible to use deprecated HttpClient instances against this executor.

Issue: SPR-11113
This commit is contained in:
Stephane Nicoll 2014-01-17 12:17:48 +01:00 committed by Stephane Nicoll
parent abc3cc4dc4
commit fbe6051233
2 changed files with 122 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

91
spring-web/src/main/java/org/springframework/remoting/httpinvoker/HttpComponentsHttpInvokerRequestExecutor.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -27,8 +27,16 @@ import org.apache.http.HttpResponse;
import org.apache.http.NoHttpResponseException;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.springframework.context.i18n.LocaleContext;
import org.springframework.context.i18n.LocaleContextHolder;
@ -45,13 +53,12 @@ import org.springframework.util.StringUtils;
* instance, potentially with authentication, HTTP connection pooling, etc.
* Also designed for easy subclassing, providing specific template methods.
*
* <p>As of Spring 3.2, this request executor requires Apache HttpComponents 4.2 or higher.
* <p>As of Spring 4.1, this request executor requires Apache HttpComponents 4.3 or higher.
*
* @author Juergen Hoeller
* @since 3.1
* @see org.springframework.remoting.httpinvoker.SimpleHttpInvokerRequestExecutor
*/
@SuppressWarnings("deprecation")
public class HttpComponentsHttpInvokerRequestExecutor extends AbstractHttpInvokerRequestExecutor {
private static final int DEFAULT_MAX_TOTAL_CONNECTIONS = 100;
@ -61,6 +68,8 @@ public class HttpComponentsHttpInvokerRequestExecutor extends AbstractHttpInvoke
private static final int DEFAULT_READ_TIMEOUT_MILLISECONDS = (60 * 1000);
private HttpClient httpClient;
private int connectionTimeout = 0;
private int readTimeout = DEFAULT_READ_TIMEOUT_MILLISECONDS;
/**
@ -68,17 +77,17 @@ public class HttpComponentsHttpInvokerRequestExecutor extends AbstractHttpInvoke
* {@link HttpClient} that uses a default {@code org.apache.http.impl.conn.PoolingClientConnectionManager}.
*/
public HttpComponentsHttpInvokerRequestExecutor() {
org.apache.http.conn.scheme.SchemeRegistry schemeRegistry = new org.apache.http.conn.scheme.SchemeRegistry();
schemeRegistry.register(new org.apache.http.conn.scheme.Scheme("http", 80, org.apache.http.conn.scheme.PlainSocketFactory.getSocketFactory()));
schemeRegistry.register(new org.apache.http.conn.scheme.Scheme("https", 443, org.apache.http.conn.ssl.SSLSocketFactory.getSocketFactory()));
Registry<ConnectionSocketFactory> schemeRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
.register("http", PlainConnectionSocketFactory.getSocketFactory())
.register("https", SSLConnectionSocketFactory.getSocketFactory())
.build();
org.apache.http.impl.conn.PoolingClientConnectionManager connectionManager =
new org.apache.http.impl.conn.PoolingClientConnectionManager(schemeRegistry);
PoolingHttpClientConnectionManager connectionManager
= new PoolingHttpClientConnectionManager(schemeRegistry);
connectionManager.setMaxTotal(DEFAULT_MAX_TOTAL_CONNECTIONS);
connectionManager.setDefaultMaxPerRoute(DEFAULT_MAX_CONNECTIONS_PER_ROUTE);
this.httpClient = new org.apache.http.impl.client.DefaultHttpClient(connectionManager);
setReadTimeout(DEFAULT_READ_TIMEOUT_MILLISECONDS);
this.httpClient = HttpClientBuilder.create().setConnectionManager(connectionManager).build();
}
/**
@ -112,7 +121,30 @@ public class HttpComponentsHttpInvokerRequestExecutor extends AbstractHttpInvoke
*/
public void setConnectTimeout(int timeout) {
Assert.isTrue(timeout >= 0, "Timeout must be a non-negative value");
getHttpClient().getParams().setIntParameter(org.apache.http.params.CoreConnectionPNames.CONNECTION_TIMEOUT, timeout);
this.connectionTimeout = timeout;
setLegacyConnectionTimeout(getHttpClient(), timeout);
}
/**
* Apply the specified connection timeout to deprecated {@link HttpClient}
* implementations.
* <p>As of HttpClient 4.3, default parameters have to be exposed through a
* {@link RequestConfig} instance instead of setting the parameters on the
* client. Unfortunately, this behavior is not backward-compatible and older
* {@link HttpClient} implementations will ignore the {@link RequestConfig}
* object set in the context.
* <p>If the specified client is an older implementation, we set the custom
* connection timeout through the deprecated API. Otherwise, we just return
* as it is set through {@link RequestConfig} with newer clients.
* @param client the client to configure
* @param timeout the custom connection timeout
*/
@SuppressWarnings("deprecation")
private void setLegacyConnectionTimeout(HttpClient client, int timeout) {
if (org.apache.http.impl.client.AbstractHttpClient.class.isInstance(client)) {
client.getParams().setIntParameter(
org.apache.http.params.CoreConnectionPNames.CONNECTION_TIMEOUT, timeout);
}
}
/**
@ -123,9 +155,24 @@ public class HttpComponentsHttpInvokerRequestExecutor extends AbstractHttpInvoke
*/
public void setReadTimeout(int timeout) {
Assert.isTrue(timeout >= 0, "Timeout must be a non-negative value");
getHttpClient().getParams().setIntParameter(org.apache.http.params.CoreConnectionPNames.SO_TIMEOUT, timeout);
this.readTimeout = timeout;
setLegacySocketTimeout(getHttpClient(), timeout);
}
/**
* Apply the specified socket timeout to deprecated {@link HttpClient}
* implementations. See {@link #setLegacyConnectionTimeout}.
* @param client the client to configure
* @param timeout the custom socket timeout
* @see #setLegacyConnectionTimeout
*/
@SuppressWarnings("deprecation")
private void setLegacySocketTimeout(HttpClient client, int timeout) {
if (org.apache.http.impl.client.AbstractHttpClient.class.isInstance(client)) {
client.getParams().setIntParameter(
org.apache.http.params.CoreConnectionPNames.SO_TIMEOUT, timeout);
}
}
/**
* Execute the given request through the HttpClient.
@ -166,6 +213,7 @@ public class HttpComponentsHttpInvokerRequestExecutor extends AbstractHttpInvoke
*/
protected HttpPost createHttpPost(HttpInvokerClientConfiguration config) throws IOException {
HttpPost httpPost = new HttpPost(config.getServiceUrl());
httpPost.setConfig(createRequestConfig(config, httpPost));
LocaleContext localeContext = LocaleContextHolder.getLocaleContext();
if (localeContext != null) {
Locale locale = localeContext.getLocale();
@ -179,6 +227,25 @@ public class HttpComponentsHttpInvokerRequestExecutor extends AbstractHttpInvoke
return httpPost;
}
/**
* Create a {@link RequestConfig} for the given configuration and {@link HttpPost}.
* @param config the HTTP invoker configuration that specifies the
* target service
* @param httpPost the HttpPost instance
* @return the RequestConfig to use for that HttpPost
*/
protected RequestConfig createRequestConfig(HttpInvokerClientConfiguration config, HttpPost httpPost) {
if (this.connectionTimeout > 0 || this.readTimeout > 0) {
return RequestConfig.custom()
.setConnectTimeout(this.connectionTimeout)
.setSocketTimeout(this.readTimeout)
.build();
}
else {
return RequestConfig.DEFAULT;
}
}
/**
* Set the given serialized remote invocation as request body.
* <p>The default implementation simply sets the serialized invocation as the

43
spring-web/src/test/java/org/springframework/remoting/httpinvoker/HttpComponentsHttpInvokerRequestExecutorTests.java Normal file
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@ -0,0 +1,43 @@
package org.springframework.remoting.httpinvoker;
import java.io.IOException;
import org.apache.http.client.methods.HttpPost;
import org.junit.Test;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
/**
*
* @author Stephane Nicoll
*/
public class HttpComponentsHttpInvokerRequestExecutorTests {
@Test
public void customizeConnectionTimeout() throws IOException {
HttpComponentsHttpInvokerRequestExecutor executor = new HttpComponentsHttpInvokerRequestExecutor();
executor.setConnectTimeout(5000);
HttpInvokerClientConfiguration config = mockHttpInvokerClientConfiguration("http://fake-service");
HttpPost httpPost = executor.createHttpPost(config);
assertEquals(5000, httpPost.getConfig().getConnectTimeout());
}
@Test
public void customizeReadTimeout() throws IOException {
HttpComponentsHttpInvokerRequestExecutor executor = new HttpComponentsHttpInvokerRequestExecutor();
executor.setReadTimeout(10000);
HttpInvokerClientConfiguration config = mockHttpInvokerClientConfiguration("http://fake-service");
HttpPost httpPost = executor.createHttpPost(config);
assertEquals(10000, httpPost.getConfig().getSocketTimeout());
}
private HttpInvokerClientConfiguration mockHttpInvokerClientConfiguration(String serviceUrl) {
HttpInvokerClientConfiguration config = mock(HttpInvokerClientConfiguration.class);
when(config.getServiceUrl()).thenReturn(serviceUrl);
return config;
}
}