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Jackson Core Source Code
Jackson is "the Java JSON library" or "the best JSON parser for Java". Or simply as "JSON for Java".
Jackson Core Source Code files are provided in the source packge (jackson-core-2.14.0-sources.jar). You can download it at Jackson Maven Website.
You can also browse Jackson Core Source Code below:
✍: FYIcenter.com
⏎ com/fasterxml/jackson/core/json/async/NonBlockingByteBufferJsonParser.java
package com.fasterxml.jackson.core.json.async; import com.fasterxml.jackson.core.async.ByteBufferFeeder; import com.fasterxml.jackson.core.async.NonBlockingInputFeeder; import com.fasterxml.jackson.core.io.IOContext; import com.fasterxml.jackson.core.sym.ByteQuadsCanonicalizer; import java.io.IOException; import java.io.OutputStream; import java.nio.ByteBuffer; import java.nio.channels.Channels; import java.nio.channels.WritableByteChannel; /** * Non-blocking parser implementation for JSON content that takes its input * via {@link java.nio.ByteBuffer} instance(s) passed. *<p> * NOTE: only supports parsing of UTF-8 encoded content (and 7-bit US-ASCII since * it is strict subset of UTF-8): other encodings are not supported. * * @since 2.14 */ public class NonBlockingByteBufferJsonParser extends NonBlockingUtf8JsonParserBase implements ByteBufferFeeder { private ByteBuffer _inputBuffer = ByteBuffer.wrap(NO_BYTES); public NonBlockingByteBufferJsonParser(IOContext ctxt, int parserFeatures, ByteQuadsCanonicalizer sym) { super(ctxt, parserFeatures, sym); } @Override public NonBlockingInputFeeder getNonBlockingInputFeeder() { return this; } @Override public void feedInput(final ByteBuffer byteBuffer) throws IOException { // Must not have remaining input if (_inputPtr < _inputEnd) { _reportError("Still have %d undecoded bytes, should not call 'feedInput'", _inputEnd - _inputPtr); } final int start = byteBuffer.position(); final int end = byteBuffer.limit(); if (end < start) { _reportError("Input end (%d) may not be before start (%d)", end, start); } // and shouldn't have been marked as end-of-input if (_endOfInput) { _reportError("Already closed, can not feed more input"); } // Time to update pointers first _currInputProcessed += _origBufferLen; // Also need to adjust row start, to work as if it extended into the past wrt new buffer _currInputRowStart = start - (_inputEnd - _currInputRowStart); // And then update buffer settings _currBufferStart = start; _inputBuffer = byteBuffer; _inputPtr = start; _inputEnd = end; _origBufferLen = end - start; } @Override public int releaseBuffered(final OutputStream out) throws IOException { final int avail = _inputEnd - _inputPtr; if (avail > 0) { final WritableByteChannel channel = Channels.newChannel(out); channel.write(_inputBuffer); } return avail; } @Override protected byte getNextSignedByteFromBuffer() { return _inputBuffer.get(_inputPtr++); } @Override protected int getNextUnsignedByteFromBuffer() { return _inputBuffer.get(_inputPtr++) & 0xFF; } @Override protected byte getByteFromBuffer(final int ptr) { return _inputBuffer.get(ptr); } }
⏎ com/fasterxml/jackson/core/json/async/NonBlockingByteBufferJsonParser.java
Or download all of them as a single archive file:
File name: jackson-core-2.14.0-sources.jar File size: 497693 bytes Release date: 2022-11-05 Download
⇒ Download and Install Jackson Binary Package
2016-02-03, 39004👍, 1💬
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