@Test
public void issue_97() throws Exception {
String json =
"{ \"books\": [ "
+ "{ \"category\": \"fiction\" }, "
+ "{ \"category\": \"reference\" }, "
+ "{ \"category\": \"fiction\" }, "
+ "{ \"category\": \"fiction\" }, "
+ "{ \"category\": \"reference\" }, "
+ "{ \"category\": \"fiction\" }, "
+ "{ \"category\": \"reference\" }, "
+ "{ \"category\": \"reference\" }, "
+ "{ \"category\": \"reference\" }, "
+ "{ \"category\": \"reference\" }, "
+ "{ \"category\": \"reference\" } ] }";
Configuration conf =
Configuration.builder()
.jsonProvider(new GsonJsonProvider())
.mappingProvider(new GsonMappingProvider())
.build();
DocumentContext context = JsonPath.using(conf).parse(json);
context.delete("$.books[?(@.category == 'reference')]");
List<String> categories = context.read("$..category", List.class);
Assertions.assertThat(categories).containsOnly("fiction");
}
/**
* Removes the fields with empty obibaFiles from content.
*
* @param newPaths
* @param newContext
*/
private void cleanup(Map<String, JSONArray> newPaths, DocumentContext newContext) {
newPaths
.keySet()
.stream()
.forEach(
p -> {
if (newPaths.get(p).isEmpty()) {
newContext.delete(p.replace("['obibaFiles']", ""));
}
});
}