#713

Committed 12 Aug 2025 06:23PM UTC coverage: 86.646% (-0.01%) from 86.658%

Build # #713

Build Type

push

Committed by

Commit Message

Merge branch 'main' of github.com:pkiraly/metadata-qa-api

Run Details

5619 of 6485 relevant lines covered (86.65%)

0.87 hits per line

Source File
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80.65

/src/main/java/de/gwdg/metadataqa/api/util/ContentTypeExtractor.java

package de.gwdg.metadataqa.api.util;

import org.apache.commons.lang3.StringUtils;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;
import java.util.logging.Logger;

public class ContentTypeExtractor {
  private static final Logger LOGGER = Logger.getLogger(ContentTypeExtractor.class.getCanonicalName());
  public static final int DEFAULT_TIMEOUT = 5000;
  private static final List<String> HEADER_KEYS = List.of("Content-Type", "content-type");

  private int timeout;

  public ContentTypeExtractor() {
    this.timeout = DEFAULT_TIMEOUT;
  }

  public ContentTypeExtractor(int timeout) {
    this.timeout = timeout;
  }

  public String getContentType(String url) throws IOException {
    String contentType = null;
    URL urlObj = new URL(url);
    HttpURLConnection urlConnection = (HttpURLConnection) urlObj.openConnection();

    urlConnection.setConnectTimeout(timeout);
    urlConnection.setReadTimeout(timeout);
    urlConnection.connect();
    int responseCode = urlConnection.getResponseCode();
    if (responseCode == 200) {
      // String rawContentType = extractContentType.getHeaderField("Content-Type");
      String rawContentType = extractContentType(urlConnection);
      if (rawContentType != null && StringUtils.isNotBlank(rawContentType))
        contentType = rawContentType.replaceAll("; ?charset.*$", "");
    } else if (responseCode == 301 // Moved Permanently
            || responseCode == 302 // Found
            || responseCode == 303 // See Other
            || responseCode == 304 // Not Modified
            || responseCode == 307 // Temporary Redirect
            || responseCode == 308 // Permanent Redirect
    ) {
      String location = urlConnection.getHeaderField("Location");
      return getContentType(location);
    } else {
      LOGGER.warning(String.format("URL %s returns unhandled status code: %d.\n", url, responseCode));
    }
    return contentType;
  }

  private String extractContentType(HttpURLConnection urlConnection) {
    String contentType = null;
    for (String key : HEADER_KEYS) {
      contentType = urlConnection.getHeaderField(key);
      if (StringUtils.isNotBlank(contentType))
        break;
    }
    return contentType;
  }
}

1	package de.gwdg.metadataqa.api.util;
2
3	import org.apache.commons.lang3.StringUtils;
4
5	import java.io.IOException;
6	import java.net.HttpURLConnection;
7	import java.net.URL;
8	import java.util.List;
9	import java.util.logging.Logger;
10
11	public class ContentTypeExtractor {
12	private static final Logger LOGGER = Logger.getLogger(ContentTypeExtractor.class.getCanonicalName());	1✔
13	public static final int DEFAULT_TIMEOUT = 5000;
14	private static final List<String> HEADER_KEYS = List.of("Content-Type", "content-type");	1✔
15
16	private int timeout;
17
18	public ContentTypeExtractor() {	×
19	this.timeout = DEFAULT_TIMEOUT;	×
20	}	×
21
22	public ContentTypeExtractor(int timeout) {	1✔
23	this.timeout = timeout;	1✔
24	}	1✔
25
26	public String getContentType(String url) throws IOException {
27	String contentType = null;	1✔
28	URL urlObj = new URL(url);	1✔
29	HttpURLConnection urlConnection = (HttpURLConnection) urlObj.openConnection();	1✔
30
31	urlConnection.setConnectTimeout(timeout);	1✔
32	urlConnection.setReadTimeout(timeout);	1✔
33	urlConnection.connect();	1✔
34	int responseCode = urlConnection.getResponseCode();	1✔
35	if (responseCode == 200) {	1✔
36	// String rawContentType = extractContentType.getHeaderField("Content-Type");
37	String rawContentType = extractContentType(urlConnection);	1✔
38	if (rawContentType != null && StringUtils.isNotBlank(rawContentType))	1✔
39	contentType = rawContentType.replaceAll("; ?charset.*$", "");	1✔
40	} else if (responseCode == 301 // Moved Permanently	1✔
41	\|\| responseCode == 302 // Found
42	\|\| responseCode == 303 // See Other
43	\|\| responseCode == 304 // Not Modified
44	\|\| responseCode == 307 // Temporary Redirect
45	\|\| responseCode == 308 // Permanent Redirect
46	) {
47	String location = urlConnection.getHeaderField("Location");	×
48	return getContentType(location);	×
49	} else {
50	LOGGER.warning(String.format("URL %s returns unhandled status code: %d.\n", url, responseCode));	1✔
51	}
52	return contentType;	1✔
53	}
54
55	private String extractContentType(HttpURLConnection urlConnection) {
56	String contentType = null;	1✔
57	for (String key : HEADER_KEYS) {	1✔
58	contentType = urlConnection.getHeaderField(key);	1✔
59	if (StringUtils.isNotBlank(contentType))	1✔
60	break;	1✔
61	}	×
62	return contentType;	1✔
63	}
64	}

pkiraly / metadata-qa-api / #713

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