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

Example 6 with ResourceRegion

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

the class HttpRangeTests method toResourceRegionsValidations.

@Test
public void toResourceRegionsValidations() {
    byte[] bytes = "12345".getBytes(StandardCharsets.UTF_8);
    ByteArrayResource resource = new ByteArrayResource(bytes);
    // 1. Below length
    List<HttpRange> belowLengthRanges = HttpRange.parseRanges("bytes=0-1,2-3");
    List<ResourceRegion> regions = HttpRange.toResourceRegions(belowLengthRanges, resource);
    assertThat(regions.size()).isEqualTo(2);
    // 2. At length
    List<HttpRange> atLengthRanges = HttpRange.parseRanges("bytes=0-1,2-4");
    assertThatIllegalArgumentException().isThrownBy(() -> HttpRange.toResourceRegions(atLengthRanges, resource));
}

Example 7 with ResourceRegion

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

the class HttpRangeTests method toResourceRegion.

@Test
public void toResourceRegion() {
    byte[] bytes = "Spring Framework".getBytes(StandardCharsets.UTF_8);
    ByteArrayResource resource = new ByteArrayResource(bytes);
    HttpRange range = HttpRange.createByteRange(0, 5);
    ResourceRegion region = range.toResourceRegion(resource);
    assertThat(region.getResource()).isEqualTo(resource);
    assertThat(region.getPosition()).isEqualTo(0L);
    assertThat(region.getCount()).isEqualTo(6L);
}

Example 8 with ResourceRegion

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

the class ResourceRegionEncoder method writeResourceRegion.

private Flux<DataBuffer> writeResourceRegion(ResourceRegion region, DataBufferFactory bufferFactory, @Nullable Map<String, Object> hints) {
    Resource resource = region.getResource();
    long position = region.getPosition();
    long count = region.getCount();
    if (logger.isDebugEnabled() && !Hints.isLoggingSuppressed(hints)) {
        logger.debug(Hints.getLogPrefix(hints) + "Writing region " + position + "-" + (position + count) + " of [" + resource + "]");
    }
    Flux<DataBuffer> in = DataBufferUtils.read(resource, position, bufferFactory, this.bufferSize);
    if (logger.isDebugEnabled()) {
        in = in.doOnNext(buffer -> Hints.touchDataBuffer(buffer, hints, logger));
    }
    return DataBufferUtils.takeUntilByteCount(in, count);
}

Example 9 with ResourceRegion

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

the class ResourceRegionEncoderTests method shouldEncodeMultipleResourceRegionsFileResource.

@Test
void shouldEncodeMultipleResourceRegionsFileResource() {
    Resource resource = new ClassPathResource("ResourceRegionEncoderTests.txt", getClass());
    Flux<ResourceRegion> regions = Flux.just(new ResourceRegion(resource, 0, 6), new ResourceRegion(resource, 7, 9), new ResourceRegion(resource, 17, 4), new ResourceRegion(resource, 22, 17));
    String boundary = MimeTypeUtils.generateMultipartBoundaryString();
    Flux<DataBuffer> result = this.encoder.encode(regions, this.bufferFactory, ResolvableType.forClass(ResourceRegion.class), MimeType.valueOf("text/plain"), Collections.singletonMap(ResourceRegionEncoder.BOUNDARY_STRING_HINT, boundary));
    StepVerifier.create(result).consumeNextWith(stringConsumer("\r\n--" + boundary + "\r\n")).consumeNextWith(stringConsumer("Content-Type: text/plain\r\n")).consumeNextWith(stringConsumer("Content-Range: bytes 0-5/39\r\n\r\n")).consumeNextWith(stringConsumer("Spring")).consumeNextWith(stringConsumer("\r\n--" + boundary + "\r\n")).consumeNextWith(stringConsumer("Content-Type: text/plain\r\n")).consumeNextWith(stringConsumer("Content-Range: bytes 7-15/39\r\n\r\n")).consumeNextWith(stringConsumer("Framework")).consumeNextWith(stringConsumer("\r\n--" + boundary + "\r\n")).consumeNextWith(stringConsumer("Content-Type: text/plain\r\n")).consumeNextWith(stringConsumer("Content-Range: bytes 17-20/39\r\n\r\n")).consumeNextWith(stringConsumer("test")).consumeNextWith(stringConsumer("\r\n--" + boundary + "\r\n")).consumeNextWith(stringConsumer("Content-Type: text/plain\r\n")).consumeNextWith(stringConsumer("Content-Range: bytes 22-38/39\r\n\r\n")).consumeNextWith(stringConsumer("resource content.")).consumeNextWith(stringConsumer("\r\n--" + boundary + "--")).expectComplete().verify();
}

Example 10 with ResourceRegion

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

the class ResourceRegionEncoderTests method cancelWithoutDemandForSingleResourceRegion.

// gh-22107
@Test
void cancelWithoutDemandForSingleResourceRegion() {
    Resource resource = new ClassPathResource("ResourceRegionEncoderTests.txt", getClass());
    Mono<ResourceRegion> regions = Mono.just(new ResourceRegion(resource, 0, 6));
    String boundary = MimeTypeUtils.generateMultipartBoundaryString();
    Flux<DataBuffer> flux = this.encoder.encode(regions, this.bufferFactory, ResolvableType.forClass(ResourceRegion.class), MimeType.valueOf("text/plain"), Collections.singletonMap(ResourceRegionEncoder.BOUNDARY_STRING_HINT, boundary));
    ZeroDemandSubscriber subscriber = new ZeroDemandSubscriber();
    flux.subscribe(subscriber);
    subscriber.cancel();
}