seesaws opened a new issue, #310:
URL: https://github.com/apache/apisix-java-plugin-runner/issues/310
### Issue description
### Environment
* Operating System: Windows 11
* JDK Version: 17
*IDE: IntelliJ IDEA 2024.1.4U
* APISIX Java Plugin Runner Version: 0.4.0
* Maven Dependency
<dependency>
<groupId>org.apache.apisix</groupId>
<artifactId>apisix-runner-starter</artifactId>
<version>0.4.0</version>
</dependency>
### Minimal test code / Steps to reproduce the issue
When using the getArgs method of the
org.apache.apisix.plugin.runner.HttpRequest class, the returned parameter type
is Map<String, String>. The expected behavior is for it to return a parameter
type consistent with the getParameterMap method of the
jakarta.servlet.ServletRequestWrapper class, which is Map<String, String[]>.
Steps to Reproduce the Issue
Set the Maven dependency to apisix-runner-starter version 0.4.0.
Use the HttpRequest.getArgs() method in the APISIX Java Plugin to retrieve
parameters.
Submit multiple parameters with the same key using a GET method or POST form.
### What's the actual result? (including assertion message & call stack if
applicable)
* HttpRequest.getArgs() returns parameters as Map<String, String>.
* When using GET or POST forms with multiple parameters having the same key,
previous key-value pairs are lost, and only the last key-value pair is retained.
### What's the expected result?
HttpRequest.getArgs() should return parameters as Map<String, String[]>,
matching the behavior of
jakarta.servlet.ServletRequestWrapper.getParameterMap() and correctly retaining
all values for the same key.
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