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[![Javadocs](https://www.javadoc.io/badge/eu.lundegaard.commons.java/jackson.svg?color=blue)](https://www.javadoc.io/doc/eu.lundegaard.commons.java/jackson)\n\n# Lundegaard Java Commons - Jackson\n\nThis library is used for simple startup with object de/serialization to/from JSON using Jackson. \n\n## Usage\n\nJust add it as dependency, e.g. into Maven (use the latest version)\n\n```xml\n\u003cdependency\u003e\n    \u003cgroupId\u003eeu.lundegaard.commons.java\u003c/groupId\u003e\n    \u003cartifactId\u003ejackson\u003c/artifactId\u003e\n    \u003cversion\u003e${lundegaard.commons.jackson.version}\u003c/version\u003e\n\u003c/dependency\u003e\n``` \n\n### De/serialization\n\nYou can use simple pre-configured object mapper via `SerializingUtil`. For serialization into JSON:\n\n```java\nMyObject myObject = new MyObject(...);\nString json = SerializingUtil.serializeToJson(object);\n```\n\nFor deserialization from JSON\n\n```java\nString json = ...\nMyObject myObject = SerializingUtil.deserializeFromJson(json, MyObject.class);\n```\n\n\n### Custom ObjectMapper\n\nIf you need to customize the `ObjectMapper`, then obtain one using \n\n```java\nObjectMapper mapper = ObjectMapperFactory.createObjectMapper()\n``` \n\nThis mapper is standard pre-configured Jackson `ObjectMapper` and can be further customized. \n\nThe mapper is thread-safe and thus should be shared and reused. **Best practice is storing it in singleton instance or similar**.\n\n\n## Pre-configured object mapper\n\nWe use pre-configured Jackson `ObjectMapper`. This means that the mapper has registered Java 8 types (`Optional`, `java.time.*`, etc.) and is configured to match our most common needs (interoperability with our JS frontends, readable timestamps). 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