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27 package org.apache.hc.client5.http.async.methods;
28
29 import java.io.IOException;
30 import java.io.UnsupportedEncodingException;
31 import java.nio.charset.Charset;
32 import java.nio.charset.StandardCharsets;
33 import java.nio.charset.UnsupportedCharsetException;
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35 import org.apache.hc.core5.http.ContentType;
36 import org.apache.hc.core5.http.EntityDetails;
37 import org.apache.hc.core5.http.HttpException;
38 import org.apache.hc.core5.http.HttpRequest;
39 import org.apache.hc.core5.http.HttpResponse;
40 import org.apache.hc.core5.http.nio.AsyncPushConsumer;
41 import org.apache.hc.core5.http.nio.entity.AbstractCharDataConsumer;
42 import org.apache.hc.core5.http.protocol.HttpContext;
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49 public abstract class AbstractCharPushConsumer extends AbstractCharDataConsumer implements AsyncPushConsumer {
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58 protected abstract void start(HttpRequest promise, HttpResponse response, ContentType contentType) throws HttpException, IOException;
59
60 @Override
61 public final void consumePromise(
62 final HttpRequest promise,
63 final HttpResponse response,
64 final EntityDetails entityDetails,
65 final HttpContext context) throws HttpException, IOException {
66 if (entityDetails != null) {
67 final ContentType contentType;
68 try {
69 contentType = ContentType.parse(entityDetails.getContentType());
70 } catch (final UnsupportedCharsetException ex) {
71 throw new UnsupportedEncodingException(ex.getMessage());
72 }
73 Charset charset = contentType != null ? contentType.getCharset() : null;
74 if (charset == null) {
75 charset = StandardCharsets.US_ASCII;
76 }
77 setCharset(charset);
78 start(promise, response, contentType != null ? contentType : ContentType.DEFAULT_TEXT);
79 } else {
80 start(promise, response, null);
81 completed();
82 }
83 }
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85 @Override
86 public void failed(final Exception cause) {
87 }
88
89 }