Java Code Examples for org.springframework.http.HttpHeaders#setETag()

The following examples show how to use org.springframework.http.HttpHeaders#setETag() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: VersionResourceResolver.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@Override
public HttpHeaders getResponseHeaders() {
	HttpHeaders headers = (this.original instanceof HttpResource ?
			((HttpResource) this.original).getResponseHeaders() : new HttpHeaders());
	headers.setETag("\"" + this.version + "\"");
	return headers;
}
Example 2
Source File: VersionResourceResolver.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@Override
public HttpHeaders getResponseHeaders() {
	HttpHeaders headers = (this.original instanceof HttpResource ?
			((HttpResource) this.original).getResponseHeaders() : new HttpHeaders());
	headers.setETag("\"" + this.version + "\"");
	return headers;
}
Example 3
Source File: VersionResourceResolver.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Override
public HttpHeaders getResponseHeaders() {
	HttpHeaders headers = (this.original instanceof HttpResource ?
			((HttpResource) this.original).getResponseHeaders() : new HttpHeaders());
	headers.setETag("\"" + this.version + "\"");
	return headers;
}
Example 4
Source File: VersionResourceResolver.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Override
public HttpHeaders getResponseHeaders() {
	HttpHeaders headers = (this.original instanceof HttpResource ?
			((HttpResource) this.original).getResponseHeaders() : new HttpHeaders());
	headers.setETag("\"" + this.version + "\"");
	return headers;
}
Example 5
Source File: PhotographController.java    From fenixedu-academic with GNU Lesser General Public License v3.0 4 votes vote down vote up 
@RequestMapping(value = "{username:.+}", method = RequestMethod.GET)
public ResponseEntity<byte[]> get(@PathVariable String username, @RequestParam(value = "s", required = false,
        defaultValue = "100") Integer size, @RequestHeader(value = "If-None-Match", required = false) String ifNoneMatch)
        throws IOException {

    if (size <= 0) {
        size = 100;
    }
    if (size > 512) {
        size = 512;
    }

    User user = User.findByUsername(username);

    if (user != null && user.getPerson() != null) {
        final Photograph personalPhoto =
                user.getPerson().isPhotoAvailableToCurrentUser() ? user.getPerson().getPersonalPhoto() : null;

        HttpHeaders headers = new HttpHeaders();
        String etag = "W/\"" + (personalPhoto == null ? "mm-av" : personalPhoto.getExternalId()) + "-" + size + "\"";
        headers.setETag(etag);
        headers.setExpires(DateTime.now().plusWeeks(2).getMillis());
        headers.setCacheControl("max-age=1209600");

        if (etag.equals(ifNoneMatch)) {
            return new ResponseEntity<>(headers, HttpStatus.NOT_MODIFIED);
        }

        if (personalPhoto != null) {
            headers.set("Content-Type", personalPhoto.getOriginal().getPictureFileFormat().getMimeType());
            return new ResponseEntity<>(personalPhoto.getCustomAvatar(size, size, PictureMode.ZOOM), headers, HttpStatus.OK);
        } else {
            try (InputStream mm =
                    PhotographController.class.getClassLoader().getResourceAsStream("META-INF/resources/img/mysteryman.png")) {
                headers.set("Content-Type", "image/png");
                return new ResponseEntity<>(Avatar.process(mm, "image/png", size), headers, HttpStatus.OK);
            }
        }
    }

    throw BennuCoreDomainException.resourceNotFound(username);
}