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1   /*
2    * The MIT License (MIT)
3    *
4    * Copyright (c) 2013 - 2023, Tapio Rautonen
5    *
6    * Permission is hereby granted, free of charge, to any person obtaining a copy
7    * of this software and associated documentation files (the "Software"), to deal
8    * in the Software without restriction, including without limitation the rights
9    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10   * copies of the Software, and to permit persons to whom the Software is
11   * furnished to do so, subject to the following conditions:
12   *
13   * The above copyright notice and this permission notice shall be included in
14   * all copies or substantial portions of the Software.
15   *
16   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22   * THE SOFTWARE.
23   */
24  package org.eluder.coveralls.maven.plugin.source;
25  
26  import java.io.IOException;
27  import java.io.InputStream;
28  import java.net.URL;
29  
30  import org.eluder.coveralls.maven.plugin.util.UrlUtils;
31  
32  public class UrlSourceLoader extends AbstractSourceLoader {
33  
34      private final URL sourceUrl;
35  
36      public UrlSourceLoader(final URL base, final URL sourceUrl, final String sourceEncoding) {
37          super(UrlUtils.toUri(base), UrlUtils.toUri(sourceUrl), sourceEncoding);
38          this.sourceUrl = sourceUrl;
39      }
40  
41      @Override
42      protected InputStream locate(final String sourceFile) throws IOException {
43          URL url = new URL(sourceUrl, sourceFile);
44          // Checkstyle OFF: EmptyBlock
45          try {
46              return url.openStream();
47          } catch (IOException ex) {
48              // not found from url
49          }
50          // Checkstyle ON: EmptyBlock
51          return null;
52      }
53  }