Example usage for com.amazonaws SignableRequest getReadLimitInfo

Introduction

In this page you can find the example usage for com.amazonaws SignableRequest getReadLimitInfo.

Prototype

ReadLimitInfo getReadLimitInfo();

Source Link

Document

Returns the read limit info about the original request.

Usage

From source file:com.ibm.og.s3.v4.AWSS3V4Signer.java

License:Open Source License

/**
 * Read the content of the request to get the length of the stream. This method will wrap the
 * stream by SdkBufferedInputStream if it is not mark-supported.
 *///from w ww. ja  v  a  2 s .c o  m
static long getContentLength(final SignableRequest<?> request) throws IOException {
    final InputStream content = request.getContent();
    if (!content.markSupported()) {
        throw new IllegalStateException(
                "Bug: request input stream must have been made mark-and-resettable at this point");
    }
    final ReadLimitInfo info = request.getReadLimitInfo();
    final int readLimit = info.getReadLimit();
    long contentLength = 0;
    final byte[] tmp = new byte[4096];
    int read;
    content.mark(readLimit);
    while ((read = content.read(tmp)) != -1) {
        contentLength += read;
    }
    try {
        content.reset();
    } catch (final IOException ex) {
        throw new ResetException("Failed to reset the input stream", ex);
    }
    return contentLength;
}

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