24069879495

Committed 07 Apr 2026 07:32AM UTC coverage: 70.609% (-0.03%) from 70.643%

Build # 24069879495

Build Type

Pull #1782

github

Committed by

web-flow

Commit Message

Merge 2040cb5c4 into 420453a8c

Pull Request Pull Request #1782: #1724: Create GUI commandlet

Coverage Stats

4196 of 6560 branches covered (63.96%)

Branch coverage included in aggregate %.

10889 of 14804 relevant lines covered (73.55%)

3.1 hits per line

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62.79

cli/src/main/java/com/devonfw/tools/ide/io/HttpDownloader.java

package com.devonfw.tools.ide.io;

import java.io.InputStream;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpClient.Redirect;
import java.net.http.HttpClient.Version;
import java.net.http.HttpRequest;
import java.net.http.HttpRequest.BodyPublisher;
import java.net.http.HttpRequest.Builder;
import java.net.http.HttpResponse;
import java.util.function.Consumer;

/**
 * Base class providing support for HTTP downloads.
 */
public abstract class HttpDownloader {

  /** @see Builder#GET() */
  protected static final String HTTP_METHOD_GET = "GET";

  /** @see Builder#POST(BodyPublisher) */
  protected static final String HTTP_METHOD_POST = "POST";

  /** @see Builder#PUT(BodyPublisher) */
  protected static final String HTTP_METHOD_PUT = "PUT";

  /** @see Builder#DELETE() */
  protected static final String HTTP_METHOD_DELETE = "DELETE";

  /** @see Builder#HEAD() */
  protected static final String HTTP_METHOD_HEAD = "HEAD";

  /** HTTP method: {@value} */
  protected static final String HTTP_METHOD_OPTIONS = "OPTIONS";

  /** HTTP method: {@value} */
  protected static final String HTTP_METHOD_TRACE = "TRACE";

  /** HTTP method: {@value} */
  protected static final String HTTP_METHOD_PATCH = "PATCH";

  protected static HttpClient createHttpClient() {

    return HttpClient.newBuilder().followRedirects(Redirect.ALWAYS).build();
  }

  /**
   * Retrieves the {@link HttpResponse} body from a given URL as {@link String}.
   *
   * @param url the URL to retrieve the response body from.
   * @return a string representing the response body.
   * @throws IllegalStateException if the response body could not be retrieved.
   */
  protected static String httpGetAsString(String url) {

    try (HttpClient client = createHttpClient()) {
      HttpRequest request = createGetRequest(url);
      HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
      if (response.statusCode() == 200) {
        return response.body();
      }
      throw new IllegalStateException("Unexpected response code " + response.statusCode() + ":" + response.body());
    } catch (Exception e) {
      throw new IllegalStateException("Failed to retrieve response body from url: " + url, e);
    }
  }

  /**
   * Retrieves the {@link HttpResponse} body as {@link InputStream} and processes it by the given {@link Consumer}.
   *
   * @param url the URL to retrieve the response body from.
   * @param httpVersion the HTTP {@link Version} to use.
   * @param bodyConsumer the {@link Consumer} to process the response body as {@link
   * @throws IllegalStateException if the response body could not be retrieved.
   */
  protected static void httpGet(String url, Version httpVersion, Consumer<HttpResponse<InputStream>> bodyConsumer) {

    try (HttpClient client = createHttpClient()) {
      HttpRequest request = createGetRequest(url, httpVersion);
      HttpResponse<InputStream> response = client.send(request, HttpResponse.BodyHandlers.ofInputStream());
      int statusCode = response.statusCode();
      if (statusCode == 200) {
        bodyConsumer.accept(response);
      } else {
        throw new IllegalStateException("Download failed with status code " + statusCode);
      }
    } catch (Exception e) {
      throw new IllegalStateException("Failed to stream response body from url: " + url, e);
    }
  }

  /**
   * Creates a {@link #HTTP_METHOD_GET GET} {@link HttpRequest request}.
   *
   * @param url the URL.
   * @return the {@link HttpRequest}.
   */
  protected static HttpRequest createGetRequest(String url) {

    return createRequest(url, null, HTTP_METHOD_GET, null);
  }

  /**
   * Creates a {@link #HTTP_METHOD_GET GET} {@link HttpRequest request}.
   *
   * @param url the URL.
   * @param httpVersion the HTTP {@link Version}.
   * @return the {@link HttpRequest}.
   */
  protected static HttpRequest createGetRequest(String url, Version httpVersion) {

    return createRequest(url, httpVersion, HTTP_METHOD_GET, null);
  }

  /**
   * Creates a HTTP {@link HttpRequest request}.
   *
   * @param url the URL.
   * @param method the HTTP method. Please only provide constants such as {@link #HTTP_METHOD_DELETE}.
   * @param httpVersion the HTTP {@link Version}.
   * @return the {@link HttpRequest}.
   */
  protected static HttpRequest createRequest(String url, Version httpVersion, String method, BodyPublisher bodyPublisher) {

    Builder builder = HttpRequest.newBuilder()
        .uri(URI.create(url));
    builder = switch (method) {
      case HTTP_METHOD_GET -> builder.GET();
      case HTTP_METHOD_DELETE -> builder.DELETE();
      case HTTP_METHOD_HEAD -> builder.HEAD();
      default -> builder.method(method, bodyPublisher);
    };
    if (httpVersion != null) {
      builder.version(httpVersion);
    }
    return builder.build();
  }

}

1	package com.devonfw.tools.ide.io;
2
3	import java.io.InputStream;
4	import java.net.URI;
5	import java.net.http.HttpClient;
6	import java.net.http.HttpClient.Redirect;
7	import java.net.http.HttpClient.Version;
8	import java.net.http.HttpRequest;
9	import java.net.http.HttpRequest.BodyPublisher;
10	import java.net.http.HttpRequest.Builder;
11	import java.net.http.HttpResponse;
12	import java.util.function.Consumer;
13
14	/**
15	* Base class providing support for HTTP downloads.
16	*/
17	public abstract class HttpDownloader {	3✔
18
19	/** @see Builder#GET() */
20	protected static final String HTTP_METHOD_GET = "GET";
21
22	/** @see Builder#POST(BodyPublisher) */
23	protected static final String HTTP_METHOD_POST = "POST";
24
25	/** @see Builder#PUT(BodyPublisher) */
26	protected static final String HTTP_METHOD_PUT = "PUT";
27
28	/** @see Builder#DELETE() */
29	protected static final String HTTP_METHOD_DELETE = "DELETE";
30
31	/** @see Builder#HEAD() */
32	protected static final String HTTP_METHOD_HEAD = "HEAD";
33
34	/** HTTP method: {@value} */
35	protected static final String HTTP_METHOD_OPTIONS = "OPTIONS";
36
37	/** HTTP method: {@value} */
38	protected static final String HTTP_METHOD_TRACE = "TRACE";
39
40	/** HTTP method: {@value} */
41	protected static final String HTTP_METHOD_PATCH = "PATCH";
42
43	protected static HttpClient createHttpClient() {
44
45	return HttpClient.newBuilder().followRedirects(Redirect.ALWAYS).build();	5✔
46	}
47
48	/**
49	* Retrieves the {@link HttpResponse} body from a given URL as {@link String}.
50	*
51	* @param url the URL to retrieve the response body from.
52	* @return a string representing the response body.
53	* @throws IllegalStateException if the response body could not be retrieved.
54	*/
55	protected static String httpGetAsString(String url) {
56
57	try (HttpClient client = createHttpClient()) {	2✔
58	HttpRequest request = createGetRequest(url);	3✔
59	HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());	5✔
60	if (response.statusCode() == 200) {	4!
61	return response.body();	6✔
62	}
63	throw new IllegalStateException("Unexpected response code " + response.statusCode() + ":" + response.body());	×
64	} catch (Exception e) {	×
65	throw new IllegalStateException("Failed to retrieve response body from url: " + url, e);	×
66	}
67	}
68
69	/**
70	* Retrieves the {@link HttpResponse} body as {@link InputStream} and processes it by the given {@link Consumer}.
71	*
72	* @param url the URL to retrieve the response body from.
73	* @param httpVersion the HTTP {@link Version} to use.
74	* @param bodyConsumer the {@link Consumer} to process the response body as {@link
75	* @throws IllegalStateException if the response body could not be retrieved.
76	*/
77	protected static void httpGet(String url, Version httpVersion, Consumer<HttpResponse<InputStream>> bodyConsumer) {
78
79	try (HttpClient client = createHttpClient()) {	2✔
80	HttpRequest request = createGetRequest(url, httpVersion);	4✔
81	HttpResponse<InputStream> response = client.send(request, HttpResponse.BodyHandlers.ofInputStream());	5✔
82	int statusCode = response.statusCode();	3✔
83	if (statusCode == 200) {	3!
84	bodyConsumer.accept(response);	4✔
85	} else {
86	throw new IllegalStateException("Download failed with status code " + statusCode);	×
87	}
88	} catch (Exception e) {	×
89	throw new IllegalStateException("Failed to stream response body from url: " + url, e);	×
90	}	1✔
91	}	1✔
92
93	/**
94	* Creates a {@link #HTTP_METHOD_GET GET} {@link HttpRequest request}.
95	*
96	* @param url the URL.
97	* @return the {@link HttpRequest}.
98	*/
99	protected static HttpRequest createGetRequest(String url) {
100
101	return createRequest(url, null, HTTP_METHOD_GET, null);	6✔
102	}
103
104	/**
105	* Creates a {@link #HTTP_METHOD_GET GET} {@link HttpRequest request}.
106	*
107	* @param url the URL.
108	* @param httpVersion the HTTP {@link Version}.
109	* @return the {@link HttpRequest}.
110	*/
111	protected static HttpRequest createGetRequest(String url, Version httpVersion) {
112
113	return createRequest(url, httpVersion, HTTP_METHOD_GET, null);	6✔
114	}
115
116	/**
117	* Creates a HTTP {@link HttpRequest request}.
118	*
119	* @param url the URL.
120	* @param method the HTTP method. Please only provide constants such as {@link #HTTP_METHOD_DELETE}.
121	* @param httpVersion the HTTP {@link Version}.
122	* @return the {@link HttpRequest}.
123	*/
124	protected static HttpRequest createRequest(String url, Version httpVersion, String method, BodyPublisher bodyPublisher) {
125
126	Builder builder = HttpRequest.newBuilder()	2✔
127	.uri(URI.create(url));	3✔
128	builder = switch (method) {	9!
129	case HTTP_METHOD_GET -> builder.GET();	3✔
130	case HTTP_METHOD_DELETE -> builder.DELETE();	×
131	case HTTP_METHOD_HEAD -> builder.HEAD();	×
132	default -> builder.method(method, bodyPublisher);	×
133	};
134	if (httpVersion != null) {	2!
135	builder.version(httpVersion);	×
136	}
137	return builder.build();	3✔
138	}
139
140	}

devonfw / IDEasy / 24069879495

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