Jackson 2.6.0 发布，高性能的 JSON 处理
Jackson 2.6.0 正式发布，此版本主要有以下更新：
#137: Allow filtering content read via `JsonParser` by specifying `JsonPointer`;
uses new class `com.fasterxml.jackson.core.filter.FilteringParserDelegate`
(and related, `TokenFilter`)
#177: Add a check so `JsonGenerator.writeString()` won't work if `writeFieldName()` expected.
#182: Inconsistent TextBuffer#getTextBuffer behavior
(contributed by Masaru H)
#185: Allow filtering content written via `JsonGenerator` by specifying `JsonPointer`;
uses new class `com.fasterxml.jackson.core.filter.FilteringGeneratorDelegate`
(and related, `TokenFilter`)
#188: `JsonParser.getValueAsString()` should return field name for `JsonToken.FIELD_NAME`, not `null`
#189: Add `JsonFactory.Feature.USE_THREAD_LOCAL_FOR_BUFFER_RECYCLING` (default: true), which may
be disabled to prevent use of ThreadLocal-based buffer recyling.
(suggested by soldierkam@github)
#195: Add `JsonGenerator.getOutputBuffered()` to find out amount of content buffered,
not yet flushed.
(requested by Ruediger M)
#196: Add support for `FormatFeature` extension, for format-specifc Enum-backed
parser/generator options
- Minor improvement to construction of "default PrettyPrinter": now overridable by data format
modules
- Implement a new yet more optimized symbol table for byte-backed parsers
- Add `JsonParser.Feature.IGNORE_UNDEFINED`, useful for data formats like protobuf
- Optimize writing of String names (remove intermediate copy; with JDK7 no speed benefit)
详细信息请查看发行页面：
https://github.com/FasterXML/jackson-core/releases
此版本现已提供下载：
Jackson 是一个 Java 用来处理 JSON 格式数据的类库，性能非常好。