Example usage for io.vertx.core.file FileProps size

Introduction

In this page you can find the example usage for io.vertx.core.file FileProps size.

Prototype

long size();

Source Link

Document

The size of the file, in bytes

Usage

From source file:com.klwork.spring.vertx.render.MyStaticHandlerImpl.java

License:Open Source License

private void sendFile(RoutingContext context, String file, FileProps fileProps) {
    HttpServerRequest request = context.request();

    Long offset = null;//from ww w  .  j  a  va2s.  c  o m
    Long end = null;
    MultiMap headers = null;

    if (rangeSupport) {
        // check if the client is making a range request
        String range = request.getHeader("Range");
        // end byte is length - 1
        end = fileProps.size() - 1;

        if (range != null) {
            Matcher m = RANGE.matcher(range);
            if (m.matches()) {
                try {
                    String part = m.group(1);
                    // offset cannot be empty
                    offset = Long.parseLong(part);
                    // offset must fall inside the limits of the file
                    if (offset < 0 || offset >= fileProps.size()) {
                        throw new IndexOutOfBoundsException();
                    }
                    // length can be empty
                    part = m.group(2);
                    if (part != null && part.length() > 0) {
                        // ranges are inclusive
                        end = Long.parseLong(part);
                        // offset must fall inside the limits of the file
                        if (end < offset || end >= fileProps.size()) {
                            throw new IndexOutOfBoundsException();
                        }
                    }
                } catch (NumberFormatException | IndexOutOfBoundsException e) {
                    context.fail(REQUESTED_RANGE_NOT_SATISFIABLE.code());
                    return;
                }
            }
        }

        // notify client we support range requests
        headers = request.response().headers();
        headers.set("Accept-Ranges", "bytes");
        // send the content length even for HEAD requests
        headers.set("Content-Length", Long.toString(end + 1 - (offset == null ? 0 : offset)));
    }

    writeCacheHeaders(request, fileProps);

    if (request.method() == HttpMethod.HEAD) {
        request.response().end();
    } else {
        if (rangeSupport && offset != null) {
            // must return content range
            headers.set("Content-Range", "bytes " + offset + "-" + end + "/" + fileProps.size());
            // return a partial response
            request.response().setStatusCode(PARTIAL_CONTENT.code());

            // Wrap the sendFile operation into a TCCL switch, so the file resolver would find the file from the set
            // classloader (if any).
            final Long finalOffset = offset;
            final Long finalEnd = end;
            wrapInTCCLSwitch(() -> request.response().sendFile(file, finalOffset, finalEnd + 1, res2 -> {
                if (res2.failed()) {
                    context.fail(res2.cause());
                }
            }), null);
        } else {
            // Wrap the sendFile operation into a TCCL switch, so the file resolver would find the file from the set
            // classloader (if any).
            wrapInTCCLSwitch(() -> request.response().sendFile(file, res2 -> {
                if (res2.failed()) {
                    context.fail(res2.cause());
                }
            }), null);
        }
    }
}

---

From source file:org.entcore.common.storage.impl.FileStorage.java

License:Open Source License

@Override
public void fileStats(String id, Handler<AsyncResult<FileStats>> handler) {
    try {/*  w  ww  .java  2s. c  o  m*/
        fs.props(getPath(id), res -> {
            if (res.succeeded()) {
                FileProps props = res.result();
                handler.handle(new DefaultAsyncResult<>(
                        new FileStats(props.creationTime(), props.lastModifiedTime(), props.size())));
            } else {
                handler.handle(new DefaultAsyncResult<>(res.cause()));
                log.error(res.cause().getMessage(), res.cause());
            }
        });
    } catch (FileNotFoundException e) {
        handler.handle(new DefaultAsyncResult<>(e));
        log.warn(e.getMessage(), e);
    }
}

---