[英]Mule ESB Riak connector: How to configure HTTP over SSL endpoints
I have a question regarding the Mule Riak connector and its configuration possibilities. 我对Mule Riak连接器及其配置可能性有疑问。 I would like to configure the connector using an HTTPS endpoint.
我想使用HTTPS端点配置连接器。 Now the connector contains a org.mule.modules.riak.config.RiakHttpClientConfigurationAdapter and not the Mule HttpConnector.
现在,连接器包含org.mule.modules.riak.config.RiakHttpClientConfigurationAdapter而不是Mule HttpConnector。
To make my approach more clear, I tried the following configuration: 为了使方法更清晰,我尝试了以下配置:
<http:connector name="HTTP_HTTPS" cookieSpec="netscape"
validateConnections="true" sendBufferSize="0" receiveBufferSize="0"
receiveBacklog="0" clientSoTimeout="10000" serverSoTimeout="10000"
socketSoLinger="0" doc:name="HTTP-HTTPS" />
<spring:beans>
<spring:bean id="riakclient"
class="org.mule.modules.riak.config.RiakHttpClientConfigurationAdapter">
<spring:property name="httpClient" ref="HTTP_HTTPS"></spring:property>
</spring:bean>
</spring:beans>
Of course that fails: 当然失败了:
Cannot convert value of type [org.mule.transport.http.HttpConnector] to required type
[org.apache.http.client.HttpClient] for property 'httpClient': no matching editors or conversion
strategy found
Now, can you think of a way to actually reuse an existing HttpConnector (with all that SSL configuration setup)? 现在,您能想到一种实际上重用现有HttpConnector(具有所有SSL配置设置)的方法吗? I actually don't want to configure a HttpClient again and add this to the riak client.
我实际上不想再次配置HttpClient并将其添加到riak客户端。
EDIT 1: Updated with David's approach I added the following configuration straightforward to get the reflection part done: 编辑1:用大卫的方法更新了,我添加了以下简单的配置来完成反射部分:
<spring:beans>
<!-- get class instance of HttpsConnector for reflection -->
<spring:bean id="httpsConnectorClass"
class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
<spring:property name="targetObject" ref="HTTP_HTTPS">
</spring:property>
<spring:property name="targetMethod">
<spring:value>getClass</spring:value>
</spring:property>
</spring:bean>
<!-- get method via reflection of HttpsConnector for reflection -->
<spring:bean id="httpsConnectorMethod"
class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
<spring:property name="targetObject" ref="httpsConnectorClass">
</spring:property>
<spring:property name="targetMethod">
<spring:value>getMethod</spring:value>
</spring:property>
<spring:property name="arguments">
<spring:list>
<spring:value>doClientConnect</spring:value>
<spring:value type="java.lang.Class"></spring:value>
</spring:list>
</spring:property>
</spring:bean>
<!-- set method accessible -->
<spring:bean id="httpsConnectorMethodAccessible"
class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
<spring:property name="targetObject" ref="httpsConnectorMethod">
</spring:property>
<spring:property name="targetMethod">
<spring:value>setAccessible</spring:value>
</spring:property>
<spring:property name="arguments">
<spring:list>
<spring:value>true</spring:value>
</spring:list>
</spring:property>
</spring:bean>
<!-- call accessible doClientConnect() to retrieve HttpClient -->
<spring:bean id="httpClientFromConnector"
class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
<spring:property name="targetObject" ref="HTTP_HTTPS">
</spring:property>
<spring:property name="targetMethod">
<spring:value>doClientConnect</spring:value>
</spring:property>
</spring:bean>
<spring:bean id="riakclient"
class="org.mule.modules.riak.config.RiakHttpClientConfigurationAdapter">
<spring:property name="httpClient" ref="httpClientFromConnector"></spring:property>
</spring:bean>
</spring:beans>
Sadly, the invocation already fails on the reflection part. 可悲的是,调用在反射部分已经失败了。 What I do in Spring should be equivalent to this Java piece:
我在Spring中所做的工作应等同于这段Java代码:
HttpsConnector https = new org.mule.transport.http.HttpsConnector(null);
https.getClass().getMethod("doCientConnect", null).setAccessible(true);
On starting Mule I get the following exception on the reflection part of this bean: 在启动Mule时,我在此bean的反射部分得到以下异常:
<spring:bean id="httpsConnectorMethod"
class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
<spring:property name="targetObject" ref="httpsConnectorClass">
</spring:property>
<spring:property name="targetMethod">
<spring:value>getMethod</spring:value>
</spring:property>
<spring:property name="arguments">
<spring:list>
<spring:value>doClientConnect</spring:value>
<spring:value type="java.lang.Class"></spring:value>
</spring:list>
</spring:property>
</spring:bean>
Exception: 例外:
ERROR 2014-08-26 11:33:22,021 [main] org.mule.module.launcher.application.DefaultMuleApplication: null
java.lang.NoSuchMethodException: org.mule.transport.http.HttpConnector.doClientConnect()
at java.lang.Class.getMethod(Class.java:1665)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.util.MethodInvoker.invoke(MethodInvoker.java:273)
...
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'httpsConnectorMethod'
EDIT 2: Helper Class package com.mule.httpclient; 编辑2:助手类包com.mule.httpclient;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.apache.http.client.HttpClient;
import org.mule.modules.riak.config.RiakHttpClientConfigurationAdapter;
import org.mule.transport.http.HttpsConnector;
public class HttpClientAdapter {
private HttpsConnector httpsConnector;
private org.mule.modules.riak.config.RiakHttpClientConfigurationAdapter riakClient;
public HttpClientAdapter() {
}
public void setHttpsConnector(HttpsConnector httpsConnector) {
this.httpsConnector = httpsConnector;
this.riakClient = new org.mule.modules.riak.config.RiakHttpClientConfigurationAdapter();
try {
try {
Class httpsClass = httpsConnector.getClass();
Method method = httpsClass.getSuperclass().getDeclaredMethod("doClientConnect", null);
method.setAccessible(true);
// Cast not working due to too different HttpClient versions (3.5 vs. 4.2)
this.riakClient.setHttpClient((HttpClient) method.invoke(httpsConnector, null));
} catch (IllegalAccessException | IllegalArgumentException
| InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} catch (NoSuchMethodException | SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public RiakHttpClientConfigurationAdapter getRiakClient() {
return riakClient;
}
}
The HttpClient library versions differ too much in order make the case successful. HttpClient库版本之间的差异太大,以使案例成功。 Will need to somehow adapt those versions too.
也将需要以某种方式改编那些版本。
java.lang.ClassCastException: org.apache.commons.httpclient.HttpClient cannot be cast to org.apache.http.client.HttpClient
I can think of a way! 我可以想办法!
doClientConnect
on the Mule HTTP connector with setAccessible
. setAccessible
更改Mule HTTP连接器上doClientConnect
的可见性。 HttpClient
via this method. HttpClient
的实例。 riakclient
riakclient
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