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src/main/java/org/devlive/lightcall/processor/AbstractMethodProcessor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| package org.devlive.lightcall.processor; | ||
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| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import lombok.extern.slf4j.Slf4j; | ||
| import okhttp3.HttpUrl; | ||
| import okhttp3.OkHttpClient; | ||
| import okhttp3.Request; | ||
| import okhttp3.Response; | ||
| import org.devlive.lightcall.RequestContext; | ||
| import org.devlive.lightcall.RequestException; | ||
| import org.devlive.lightcall.handler.ParameterHandler; | ||
| import org.devlive.lightcall.handler.ParameterHandlerFactory; | ||
| import org.devlive.lightcall.interceptor.Interceptor; | ||
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|
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| import java.lang.annotation.Annotation; | ||
| import java.lang.reflect.Method; | ||
| import java.lang.reflect.Parameter; | ||
| import java.util.List; | ||
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| @Slf4j | ||
| public abstract class AbstractMethodProcessor<A extends Annotation> | ||
| implements MethodProcessor<A> | ||
| { | ||
| protected final OkHttpClient client; | ||
| protected final ObjectMapper objectMapper; | ||
| protected final List<Interceptor> interceptors; | ||
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| protected AbstractMethodProcessor(OkHttpClient client, ObjectMapper objectMapper, List<Interceptor> interceptors) | ||
| { | ||
| this.client = client; | ||
| this.objectMapper = objectMapper; | ||
| this.interceptors = interceptors; | ||
| } | ||
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| @Override | ||
| public Object process(Object proxy, Method method, Object[] args, A annotation, RequestContext context) | ||
| throws Throwable | ||
| { | ||
| String path = getPath(annotation); | ||
| HttpUrl url = buildUrl(path, method, args, context); | ||
| Request request = buildRequest(url, context); | ||
| return executeRequest(request, method.getReturnType(), context); | ||
| } | ||
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| protected abstract String getPath(A annotation); | ||
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| protected abstract Request buildRequest(HttpUrl url, RequestContext context); | ||
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| protected HttpUrl buildUrl(String path, Method method, Object[] args, RequestContext context) | ||
| { | ||
| log.debug("Building URL for path: {}", path); | ||
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| List<ParameterHandler> handlers = ParameterHandlerFactory.createHandlers(method, context); | ||
| Parameter[] parameters = method.getParameters(); | ||
| String processedPath = path; | ||
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| for (int i = 0; i < parameters.length; i++) { | ||
| Parameter parameter = parameters[i]; | ||
| Object arg = args[i]; | ||
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| for (ParameterHandler handler : handlers) { | ||
| if (handler.canHandle(parameter)) { | ||
| processedPath = handler.handle(parameter, arg, processedPath); | ||
| break; | ||
| } | ||
| } | ||
| } | ||
|
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| if (!processedPath.startsWith("/")) { | ||
| processedPath = "/" + processedPath; | ||
| } | ||
| context.getUrlBuilder().addPathSegments(processedPath.substring(1)); | ||
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| HttpUrl url = context.getUrlBuilder().build(); | ||
| log.debug("Built URL: {}", url); | ||
| return url; | ||
| } | ||
|
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| protected <T> T executeRequest(Request request, Class<T> returnType, RequestContext context) | ||
| throws Exception | ||
| { | ||
| log.info("Executing request - URL: {}, Method: {}", request.url(), request.method()); | ||
|
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| Request interceptedRequest = applyBeforeRequestInterceptors(request); | ||
|
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| long startTime = System.currentTimeMillis(); | ||
| try { | ||
| Response response = client.newCall(interceptedRequest).execute(); | ||
| long duration = System.currentTimeMillis() - startTime; | ||
| log.debug("Received response in {}ms - Status code: {}", duration, response.code()); | ||
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| response = applyAfterResponseInterceptors(response); | ||
|
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| if (!response.isSuccessful()) { | ||
| throw new RequestException("Request failed with code: " + response.code()); | ||
| } | ||
|
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| if (response.body() == null) { | ||
| log.warn("Response body is null for URL: {}", request.url()); | ||
| return null; | ||
| } | ||
|
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| String responseBody = response.body().string(); | ||
| response.close(); | ||
|
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| return objectMapper.readValue(responseBody, returnType); | ||
| } | ||
| catch (Exception e) { | ||
| log.error("Error executing request: {}", e.getMessage(), e); | ||
| throw e; | ||
| } | ||
| } | ||
|
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| protected Request applyBeforeRequestInterceptors(Request request) | ||
| { | ||
| Request interceptedRequest = request; | ||
| for (Interceptor interceptor : interceptors) { | ||
| try { | ||
| interceptedRequest = interceptor.beforeRequest(interceptedRequest); | ||
| log.debug("Applied beforeRequest interceptor: {}", interceptor.getClass().getSimpleName()); | ||
| } | ||
| catch (Exception e) { | ||
| log.error("Error in beforeRequest interceptor {}: {}", | ||
| interceptor.getClass().getSimpleName(), e.getMessage(), e); | ||
| } | ||
| } | ||
| return interceptedRequest; | ||
| } | ||
|
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| protected Response applyAfterResponseInterceptors(Response response) | ||
| throws Exception | ||
| { | ||
| Response interceptedResponse = response; | ||
| for (Interceptor interceptor : interceptors) { | ||
| try { | ||
| interceptedResponse = interceptor.afterResponse(interceptedResponse); | ||
| log.debug("Applied afterResponse interceptor: {}", interceptor.getClass().getSimpleName()); | ||
| } | ||
| catch (Exception e) { | ||
| log.error("Error in afterResponse interceptor {}: {}", | ||
| interceptor.getClass().getSimpleName(), e.getMessage(), e); | ||
| throw e; | ||
| } | ||
| } | ||
| return interceptedResponse; | ||
| } | ||
| } |
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