Java Code Examples for org.springframework.util.StreamUtils#BUFFER_SIZE

The following examples show how to use org.springframework.util.StreamUtils#BUFFER_SIZE . 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: ResourceHttpRequestHandler.java    From spring4-understanding with Apache License 2.0 6 votes vote down vote up 
private void copyRange(InputStream in, OutputStream out, long start, long end) throws IOException {
	long skipped = in.skip(start);
	if (skipped < start) {
		throw new IOException("Skipped only " + skipped + " bytes out of " + start + " required.");
	}

	long bytesToCopy = end - start + 1;
	byte buffer[] = new byte[StreamUtils.BUFFER_SIZE];
	while (bytesToCopy > 0) {
		int bytesRead = in.read(buffer);
		if (bytesRead <= bytesToCopy) {
			out.write(buffer, 0, bytesRead);
			bytesToCopy -= bytesRead;
		}
		else {
			out.write(buffer, 0, (int) bytesToCopy);
			bytesToCopy = 0;
		}
		if (bytesRead == -1) {
			break;
		}
	}
}
Example 2
Source File: ByteArrayHttpMessageConverter.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
@Override
public byte[] readInternal(Class<? extends byte[]> clazz, HttpInputMessage inputMessage) throws IOException {
	long contentLength = inputMessage.getHeaders().getContentLength();
	ByteArrayOutputStream bos =
			new ByteArrayOutputStream(contentLength >= 0 ? (int) contentLength : StreamUtils.BUFFER_SIZE);
	StreamUtils.copy(inputMessage.getBody(), bos);
	return bos.toByteArray();
}
Example 3
Source File: ByteArrayHttpMessageConverter.java    From java-technology-stack with MIT License 5 votes vote down vote up 
@Override
public byte[] readInternal(Class<? extends byte[]> clazz, HttpInputMessage inputMessage) throws IOException {
	long contentLength = inputMessage.getHeaders().getContentLength();
	ByteArrayOutputStream bos =
			new ByteArrayOutputStream(contentLength >= 0 ? (int) contentLength : StreamUtils.BUFFER_SIZE);
	StreamUtils.copy(inputMessage.getBody(), bos);
	return bos.toByteArray();
}
Example 4
Source File: ByteArrayHttpMessageConverter.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
@Override
public byte[] readInternal(Class<? extends byte[]> clazz, HttpInputMessage inputMessage) throws IOException {
	long contentLength = inputMessage.getHeaders().getContentLength();
	ByteArrayOutputStream bos =
			new ByteArrayOutputStream(contentLength >= 0 ? (int) contentLength : StreamUtils.BUFFER_SIZE);
	StreamUtils.copy(inputMessage.getBody(), bos);
	return bos.toByteArray();
}
Example 5
Source File: ByteArrayHttpMessageConverter.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
@Override
public byte[] readInternal(Class<? extends byte[]> clazz, HttpInputMessage inputMessage) throws IOException {
	long contentLength = inputMessage.getHeaders().getContentLength();
	ByteArrayOutputStream bos =
			new ByteArrayOutputStream(contentLength >= 0 ? (int) contentLength : StreamUtils.BUFFER_SIZE);
	StreamUtils.copy(inputMessage.getBody(), bos);
	return bos.toByteArray();
}
Example 6
Source File: RawContentTag.java    From lognavigator with Apache License 2.0 5 votes vote down vote up 
@Override
public int doEndTag() throws JspException {
	
	// Get input and ouput variables
	Reader rawContent = (Reader) pageContext.getAttribute(Constants.RAW_CONTENT_KEY, PageContext.REQUEST_SCOPE);
	JspWriter out = pageContext.getOut();
	
	try {
		// Copy input (rawContent) to output (out)
		char[] buffer = new char[StreamUtils.BUFFER_SIZE];
		int bytesRead = -1;
		while ((bytesRead = rawContent.read(buffer)) != -1) {
			String stringToWrite = new String(buffer, 0, bytesRead);
			stringToWrite = HtmlUtils.htmlEscape(stringToWrite);
			out.write(stringToWrite);
		}
		out.flush();

		return EVAL_PAGE;
	}
	catch (IOException e) {
		throw new JspException(e);
	}
	finally {
		IOUtils.closeQuietly(rawContent);
	}
}