[英]Jackson mapper: ignore certain properties when writing?
I use JSON mapper to read an object from a string and then write the string from the object. 我使用JSON映射器从字符串中读取对象,然后从对象中写入字符串。 I would like to be able to ignore some properties only when writing. 我希望仅在编写时才能忽略某些属性。 What is the easiest way to accomplish this? 最简单的方法是什么?
On the interface you can use the @JsonIgnoreProperties(ignoreUnknown=true)
annotation to ignore any fields that have not been specified. 在界面上,您可以使用@JsonIgnoreProperties(ignoreUnknown=true)
批注忽略所有未指定的字段。
For example: 例如:
@JsonIgnoreProperties(ignoreUnknown=true)
public static interface Point {
double getLatitude();
double getLongitude();
}
This will ignore any other fields that are serialized using the Point interface. 这将忽略使用Point接口序列化的任何其他字段。
You can use @JsonProperty(access = Access.WRITE_ONLY) to ignore a property for serialization. 您可以使用@JsonProperty(access = Access.WRITE_ONLY)忽略要序列化的属性。
You can fine more information about this property at the below link. 您可以在下面的链接中获取有关此属性的更多信息。
https://fasterxml.github.io/jackson-annotations/javadoc/2.8/com/fasterxml/jackson/annotation/JsonProperty.Access.html https://fasterxml.github.io/jackson-annotations/javadoc/2.8/com/fasterxml/jackson/annotation/JsonProperty.Access.html
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