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Jackson Data Binding Source Code
Jackson is "the Java JSON library" or "the best JSON parser for Java". Or simply as "JSON for Java".
Jackson Databind Source Code files are provided in the source packge (jackson-databind-2.12.4-sources.jar). You can download it at Jackson Maven Website.
You can also browse Jackson Databind Source Code below:
✍: FYIcenter.com
⏎ com/fasterxml/jackson/databind/package-info.java
/** Basic data binding (mapping) functionality that allows for reading JSON content into Java Objects (POJOs) and JSON Trees ({@link com.fasterxml.jackson.databind.JsonNode}), as well as writing Java Objects and trees as JSON. Reading and writing (as well as related additional functionality) is accessed through {@link com.fasterxml.jackson.databind.ObjectMapper}, {@link com.fasterxml.jackson.databind.ObjectReader} and {@link com.fasterxml.jackson.databind.ObjectWriter} classes. In addition to reading and writing JSON content, it is also possible to use the general databinding functionality for many other data formats, using Jackson extension modules that provide such support: if so, you typically simply construct an {@link com.fasterxml.jackson.databind.ObjectMapper} with different underlying streaming parser, generator implementation. <p> The main starting point for operations is {@link com.fasterxml.jackson.databind.ObjectMapper}, which can be used either directly (via multiple overloaded <code>readValue</code>, <code>readTree</code>, <code>writeValue</code> and <code>writeTree</code> methods, or it can be used as a configurable factory for constructing fully immutable, thread-safe and reusable {@link com.fasterxml.jackson.databind.ObjectReader} and {@link com.fasterxml.jackson.databind.ObjectWriter} objects. <p> In addition to simple reading and writing of JSON as POJOs or JSON trees (represented as {@link com.fasterxml.jackson.databind.JsonNode}, and configurability needed to change aspects of reading/writing, mapper contains additional functionality such as: <ul> <li>Value conversions using {@link com.fasterxml.jackson.databind.ObjectMapper#convertValue(Object, Class)}, {@link com.fasterxml.jackson.databind.ObjectMapper#valueToTree(Object)} and {@link com.fasterxml.jackson.databind.ObjectMapper#treeToValue(com.fasterxml.jackson.core.TreeNode, Class)} methods. </li> <li>Type introspection needed for things like generation of Schemas (like JSON Schema, Avro Schema, or protoc definitions), using {@link com.fasterxml.jackson.databind.ObjectMapper#acceptJsonFormatVisitor(Class, com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitorWrapper)} (note: actual handles are usually provided by various Jackson modules: mapper simply initiates calling of callbacks, based on serializers registered) </li> </ul> <p> Simplest usage is of form: <pre> final ObjectMapper mapper = new ObjectMapper(); // can use static singleton, inject: just make sure to reuse! MyValue value = new MyValue(); // ... and configure File newState = new File("my-stuff.json"); mapper.writeValue(newState, value); // writes JSON serialization of MyValue instance // or, read MyValue older = mapper.readValue(new File("my-older-stuff.json"), MyValue.class); // Or if you prefer JSON Tree representation: JsonNode root = mapper.readTree(newState); // and find values by, for example, using a {@link com.fasterxml.jackson.core.JsonPointer} expression: int age = root.at("/personal/age").getValueAsInt(); </pre> <p> For more usage, refer to {@link com.fasterxml.jackson.databind.ObjectMapper}, {@link com.fasterxml.jackson.databind.ObjectReader} and {@link com.fasterxml.jackson.databind.ObjectWriter} Javadocs. */ package com.fasterxml.jackson.databind;
⏎ com/fasterxml/jackson/databind/package-info.java
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⇒ Jackson Annotations Source Code
⇠Download and Install Jackson Binary Package
⇑ Downloading and Reviewing jackson-*.jar
⇑⇑ Jackson - Java JSON library
2022-03-29, 31976👍, 0💬
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