Examples with ResourceRegion org.springframework.core.io.support.ResourceRegion used on opensource projects

Example 21 with ResourceRegion

use of org.springframework.core.io.support.ResourceRegion in project spring-framework by spring-projects.

the class ResourceRegionHttpMessageConverterTests method partialContentMultipleByteRangesInRandomOrderAndOverlapping.

@Test
public void partialContentMultipleByteRangesInRandomOrderAndOverlapping() throws Exception {
    MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
    Resource body = new ClassPathResource("byterangeresource.txt", getClass());
    List<HttpRange> rangeList = HttpRange.parseRanges("bytes=7-15,0-5,17-20,20-29");
    List<ResourceRegion> regions = new ArrayList<>();
    for (HttpRange range : rangeList) {
        regions.add(range.toResourceRegion(body));
    }
    converter.write(regions, MediaType.TEXT_PLAIN, outputMessage);
    HttpHeaders headers = outputMessage.getHeaders();
    assertThat(headers.getContentType().toString()).startsWith("multipart/byteranges;boundary=");
    String boundary = "--" + headers.getContentType().toString().substring(30);
    String content = outputMessage.getBodyAsString(StandardCharsets.UTF_8);
    String[] ranges = StringUtils.tokenizeToStringArray(content, "\r\n", false, true);
    assertThat(ranges[0]).isEqualTo(boundary);
    assertThat(ranges[1]).isEqualTo("Content-Type: text/plain");
    assertThat(ranges[2]).isEqualTo("Content-Range: bytes 7-15/39");
    assertThat(ranges[3]).isEqualTo("Framework");
    assertThat(ranges[4]).isEqualTo(boundary);
    assertThat(ranges[5]).isEqualTo("Content-Type: text/plain");
    assertThat(ranges[6]).isEqualTo("Content-Range: bytes 0-5/39");
    assertThat(ranges[7]).isEqualTo("Spring");
    assertThat(ranges[8]).isEqualTo(boundary);
    assertThat(ranges[9]).isEqualTo("Content-Type: text/plain");
    assertThat(ranges[10]).isEqualTo("Content-Range: bytes 17-20/39");
    assertThat(ranges[11]).isEqualTo("test");
    assertThat(ranges[12]).isEqualTo(boundary);
    assertThat(ranges[13]).isEqualTo("Content-Type: text/plain");
    assertThat(ranges[14]).isEqualTo("Content-Range: bytes 20-29/39");
    assertThat(ranges[15]).isEqualTo("t resource");
}