Java Code Examples for org.apache.http.util.Args#check()

The following examples show how to use org.apache.http.util.Args#check() . 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: ReadLogString.java    From docker-java-api with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up
/**
 * Check that content length less then Integer.MAX_VALUE.
 * Try to get content length from entity
 * If length less then zero return 4096
 *
 * @param entity HttpEntity for get capacity.
 * @return Capacity.
 */
private int getCapacity(final HttpEntity entity) {
    Args.check(entity.getContentLength() <= Integer.MAX_VALUE,
            "HTTP entity too large to be buffered in memory");
    int capacity = (int) entity.getContentLength();
    if (capacity < 0) {
        capacity = 4096;
    }
    return capacity;
}
 
Example 2
Source File: LocalRestChannel.java    From Elasticsearch with Apache License 2.0 5 votes vote down vote up
@Override
public void doSendResponse(RestResponse response) {
    status = response.status().getStatus();

    byte[] bytes = response.content().toBytes();
    long length = bytes.length;
    Args.check(length <= Integer.MAX_VALUE, "HTTP entity too large to be buffered in memory");
    if(length < 0) {
        length = 4096;
    }

    InputStream instream =  new ByteArrayInputStream(bytes);
    InputStreamReader reader = new InputStreamReader(instream, Consts.UTF_8);
    CharArrayBuffer buffer = new CharArrayBuffer((int)length);
    char[] tmp = new char[1024];

    int l;
    try {
        while ((l = reader.read(tmp)) != -1) {
            buffer.append(tmp, 0, l);
        }
        content = buffer.toString();
    } catch (IOException e) {
        status = RestStatus.INTERNAL_SERVER_ERROR.getStatus();
        content = "IOException: " + e.getMessage();
    } finally {
        try {
            reader.close();
            instream.close();
        } catch (IOException e1) {
            content = "IOException: " + e1.getMessage();
        } finally {
            count.countDown();
        }
    }
}
 
Example 3
Source File: HttpProtocol.java    From storm-crawler with Apache License 2.0 5 votes vote down vote up
private static final byte[] toByteArray(final HttpEntity entity,
        int maxContent, MutableBoolean trimmed) throws IOException {

    if (entity == null)
        return new byte[] {};

    final InputStream instream = entity.getContent();
    if (instream == null) {
        return null;
    }
    Args.check(entity.getContentLength() <= Integer.MAX_VALUE,
            "HTTP entity too large to be buffered in memory");
    int reportedLength = (int) entity.getContentLength();
    // set default size for buffer: 100 KB
    int bufferInitSize = 102400;
    if (reportedLength != -1) {
        bufferInitSize = reportedLength;
    }
    // avoid init of too large a buffer when we will trim anyway
    if (maxContent != -1 && bufferInitSize > maxContent) {
        bufferInitSize = maxContent;
    }
    final ByteArrayBuffer buffer = new ByteArrayBuffer(bufferInitSize);
    final byte[] tmp = new byte[4096];
    int lengthRead;
    while ((lengthRead = instream.read(tmp)) != -1) {
        // check whether we need to trim
        if (maxContent != -1 && buffer.length() + lengthRead > maxContent) {
            buffer.append(tmp, 0, maxContent - buffer.length());
            trimmed.setValue(true);
            break;
        }
        buffer.append(tmp, 0, lengthRead);
    }
    return buffer.toByteArray();
}