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reqwest4j
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windows support

This commit is contained in:
Cherryleafroad 2023-08-03 15:26:25 -07:00
parent 29cf27d24f
commit e41411d9ec
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GPG Key ID: 8B5DD74E59C6C5AB
3 changed files with 84 additions and 37 deletions
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1
reqwest-jni/build.gradle.kts
View File

@ -8,4 +8,5 @@ rust {
targets += target("aarch64-unknown-linux-gnu", "libreqwest.so")
targets += target("x86_64-unknown-linux-gnu", "libreqwest.so")
targets += target("x86_64-pc-windows-msvc", "libreqwest.dll")
}

101
reqwest-jni/src/lib.rs
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@ -1,9 +1,9 @@
use std::collections::HashMap;
use std::sync::OnceLock;
use jni::JNIEnv;
use jni::objects::{JByteArray, JClass, JMap, JObject, JString};
use jni::sys::jobject;
use jni::JNIEnv;
use once_cell::sync::Lazy;
use reqwest::{Client, Method, Url};
use tokio::runtime::Runtime;
@ -26,13 +26,10 @@ pub extern "system" fn Java_rocks_kavin_reqwest4j_ReqwestUtils_init(
let proxy = reqwest::Proxy::all(proxy).unwrap();
builder.proxy(proxy)
}
Err(_) => {
builder
}
Err(_) => builder,
};
let client = builder.build()
.unwrap();
let client = builder.build().unwrap();
CLIENT.set(client).unwrap();
}
@ -45,7 +42,6 @@ pub extern "system" fn Java_rocks_kavin_reqwest4j_ReqwestUtils_fetch(
body: JByteArray,
headers: JObject,
) -> jobject {
// set method, url, body, headers
let method = Method::from_bytes(env.get_string(&method).unwrap().to_bytes()).unwrap();
@ -53,7 +49,11 @@ pub extern "system" fn Java_rocks_kavin_reqwest4j_ReqwestUtils_fetch(
let url = url.to_str();
if url.is_err() {
env.throw_new("java/lang/IllegalArgumentException", "Invalid URL provided, couldn't get string as UTF-8").unwrap();
env.throw_new(
"java/lang/IllegalArgumentException",
"Invalid URL provided, couldn't get string as UTF-8",
)
.unwrap();
return JObject::null().into_raw();
}
@ -64,15 +64,24 @@ pub extern "system" fn Java_rocks_kavin_reqwest4j_ReqwestUtils_fetch(
let mut headers = HashMap::new();
while let Some((key, value)) = java_headers.next(&mut env).unwrap() {
headers.insert(
env.get_string(&JString::from(key)).unwrap().to_str().unwrap().to_string(),
env.get_string(&JString::from(value)).unwrap().to_str().unwrap().to_string(),
env.get_string(&JString::from(key))
.unwrap()
.to_str()
.unwrap()
.to_string(),
env.get_string(&JString::from(value))
.unwrap()
.to_str()
.unwrap()
.to_string(),
);
}
let client = CLIENT.get();
if client.is_none() {
env.throw_new("java/lang/IllegalStateException", "Client not initialized").unwrap();
env.throw_new("java/lang/IllegalStateException", "Client not initialized")
.unwrap();
return JObject::null().into_raw();
}
@ -80,9 +89,9 @@ pub extern "system" fn Java_rocks_kavin_reqwest4j_ReqwestUtils_fetch(
let request = client.request(method, url);
let request = headers.into_iter().fold(request, |request, (key, value)| {
request.header(key, value)
});
let request = headers
.into_iter()
.fold(request, |request, (key, value)| request.header(key, value));
let request = if body.is_empty() {
request
@ -94,14 +103,14 @@ pub extern "system" fn Java_rocks_kavin_reqwest4j_ReqwestUtils_fetch(
let jvm = env.get_java_vm().unwrap();
// create CompletableFuture
let _future = env.new_object("java/util/concurrent/CompletableFuture", "()V", &[]).unwrap();
let _future = env
.new_object("java/util/concurrent/CompletableFuture", "()V", &[])
.unwrap();
let future = env.new_global_ref(&_future).unwrap();
RUNTIME.spawn_blocking(move || {
// send request
let response = RUNTIME.block_on(async {
request.send().await
});
let response = RUNTIME.block_on(async { request.send().await });
let mut env = jvm.attach_current_thread().unwrap();
@ -109,12 +118,22 @@ pub extern "system" fn Java_rocks_kavin_reqwest4j_ReqwestUtils_fetch(
let error = error.to_string();
let error = env.new_string(error).unwrap();
// create Exception
let exception = env.new_object("java/lang/Exception", "(Ljava/lang/String;)V", &[
(&error).into(),
]).unwrap();
let exception = env
.new_object(
"java/lang/Exception",
"(Ljava/lang/String;)V",
&[(&error).into()],
)
.unwrap();
// pass error to CompletableFuture
env.call_method(future, "completeExceptionally", "(Ljava/lang/Throwable;)Z", &[(&exception).into()]).unwrap();
return ();
env.call_method(
future,
"completeExceptionally",
"(Ljava/lang/Throwable;)Z",
&[(&exception).into()],
)
.unwrap();
return;
}
let response = response.unwrap();
@ -128,29 +147,41 @@ pub extern "system" fn Java_rocks_kavin_reqwest4j_ReqwestUtils_fetch(
response.headers().iter().for_each(|(key, value)| {
let key = env.new_string(key.as_str()).unwrap();
let value = env.new_string(value.to_str().unwrap()).unwrap();
headers.put(&mut env, &JObject::from(key), &JObject::from(value)).unwrap();
headers
.put(&mut env, &JObject::from(key), &JObject::from(value))
.unwrap();
});
let final_url = response.url().to_string();
let final_url = env.new_string(final_url).unwrap();
let body = RUNTIME.block_on(async {
response.bytes().await.unwrap_or_default().to_vec()
});
let body = RUNTIME.block_on(async { response.bytes().await.unwrap_or_default().to_vec() });
let body = env.byte_array_from_slice(&body).unwrap();
// return response to CompletableFuture
let response = env.new_object("rocks/kavin/reqwest4j/Response", "(ILjava/util/Map;[BLjava/lang/String;)V", &[
status.into(),
(&headers).into(),
(&body).into(),
(&final_url).into(),
]).unwrap();
let response = env
.new_object(
"rocks/kavin/reqwest4j/Response",
"(ILjava/util/Map;[BLjava/lang/String;)V",
&[
status.into(),
(&headers).into(),
(&body).into(),
(&final_url).into(),
],
)
.unwrap();
let future = future.as_obj();
env.call_method(future, "complete", "(Ljava/lang/Object;)Z", &[(&response).into()]).unwrap();
env.call_method(
future,
"complete",
"(Ljava/lang/Object;)Z",
&[(&response).into()],
)
.unwrap();
});
return _future.into_raw();
_future.into_raw()
}

19
src/main/java/rocks/kavin/reqwest4j/ReqwestUtils.java
View File

@ -15,10 +15,25 @@ public class ReqwestUtils {
default -> throw new RuntimeException("Unsupported architecture");
};
String os = System.getProperty("os.name").toLowerCase();
String extension;
String native_folder;
if (os.contains("win")) {
extension = ".dll";
native_folder = "windows";
} else if (os.contains("linux")) {
extension = ".so";
native_folder = "linux";
} else {
throw new RuntimeException("OS not supported");
}
File nativeFile;
try {
nativeFile = File.createTempFile("libreqwest", ".so");
nativeFile = File.createTempFile("libreqwest", extension);
nativeFile.deleteOnExit();
} catch (IOException e) {
throw new RuntimeException(e);
@ -26,7 +41,7 @@ public class ReqwestUtils {
final var cl = ReqwestUtils.class.getClassLoader();
try (var stream = cl.getResourceAsStream("META-INF/natives/linux/" + arch + "/libreqwest.so")) {
try (var stream = cl.getResourceAsStream("META-INF/natives/" + native_folder + "/" + arch + "/libreqwest" + extension)) {
stream.transferTo(new FileOutputStream(nativeFile));
} catch (IOException e) {
throw new RuntimeException(e);