82 lines
2.2 KiB
Java
82 lines
2.2 KiB
Java
package com.imyeyu.network;
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import com.imyeyu.io.IO;
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import org.apache.hc.client5.http.fluent.Request;
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import org.apache.hc.client5.http.fluent.Response;
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import org.apache.hc.core5.http.HttpEntity;
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import org.apache.hc.core5.http.io.HttpClientResponseHandler;
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import org.apache.hc.core5.http.io.entity.EntityUtils;
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import javax.naming.NoPermissionException;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.nio.file.Path;
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/**
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* 封装 {@link org.apache.hc.client5.http.fluent.Request} 计算返回进度
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*
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* @author 夜雨
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* @since 2025-06-26 13:03
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*/
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public class ProgressiveRequest {
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private final Request request;
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private final ProgressiveCallback callback;
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private ProgressiveRequest(Request request, ProgressiveCallback callback) {
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this.request = request;
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this.callback = callback;
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}
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public static ProgressiveRequest wrap(Request request, ProgressiveCallback callback) {
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return new ProgressiveRequest(request, callback);
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}
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public void toFile(Path outputPath) throws IOException, NoPermissionException {
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processResponse(request.execute(), IO.getOutputStream(outputPath.toFile()));
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}
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public byte[] asBytes() throws IOException {
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ByteArrayOutputStream os = new ByteArrayOutputStream();
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processResponse(request.execute(), os);
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return os.toByteArray();
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}
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private void processResponse(Response response, OutputStream os) throws IOException {
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response.handleResponse((HttpClientResponseHandler<Void>) resp -> {
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HttpEntity entity = resp.getEntity();
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if (entity == null) {
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throw new IOException("not found response entity");
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}
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int code = resp.getCode();
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if (400 <= code) {
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throw new IOException("response error: %s".formatted(code));
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}
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long length = entity.getContentLength();
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IO.toOutputStream(entity.getContent(), os, new IO.OnWriteCallback() {
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@Override
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public boolean handler(long total, long now) {
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return callback.handler(length, total, now);
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}
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});
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EntityUtils.consume(entity);
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return null;
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});
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}
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/**
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*
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*
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* @author 夜雨
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* @since 2025-06-26 15:18
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*/
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public interface ProgressiveCallback {
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boolean handler(long total, long read, long now);
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}
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}
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