Examples with JsonPath com.jayway.jsonpath.JsonPath used on opensource projects

Example 6 with JsonPath

use of com.jayway.jsonpath.JsonPath in project druid by druid-io.

the class JSONPathParser method generateFieldPaths.

private Map<String, Pair<FieldType, JsonPath>> generateFieldPaths(List<FieldSpec> fieldSpecs) {
    Map<String, Pair<FieldType, JsonPath>> map = new LinkedHashMap<>();
    for (FieldSpec fieldSpec : fieldSpecs) {
        String fieldName = fieldSpec.getName();
        if (map.get(fieldName) != null) {
            throw new IllegalArgumentException("Cannot have duplicate field definition: " + fieldName);
        }
        JsonPath path = fieldSpec.getType() == FieldType.PATH ? JsonPath.compile(fieldSpec.getExpr()) : null;
        Pair<FieldType, JsonPath> pair = new Pair<>(fieldSpec.getType(), path);
        map.put(fieldName, pair);
    }
    return map;
}

Example 7 with JsonPath

use of com.jayway.jsonpath.JsonPath in project druid by druid-io.

the class JSONPathParser method parse.

/**
   * @param input JSON string. The root must be a JSON object, not an array.
   *              e.g., {"valid": "true"} and {"valid":[1,2,3]} are supported
   *              but [{"invalid": "true"}] and [1,2,3] are not.
   *
   * @return A map of field names and values
   */
@Override
public Map<String, Object> parse(String input) {
    try {
        Map<String, Object> map = new LinkedHashMap<>();
        Map<String, Object> document = mapper.readValue(input, new TypeReference<Map<String, Object>>() {
        });
        for (Map.Entry<String, Pair<FieldType, JsonPath>> entry : fieldPathMap.entrySet()) {
            String fieldName = entry.getKey();
            Pair<FieldType, JsonPath> pair = entry.getValue();
            JsonPath path = pair.rhs;
            Object parsedVal;
            if (pair.lhs == FieldType.ROOT) {
                parsedVal = document.get(fieldName);
            } else {
                parsedVal = path.read(document, jsonPathConfig);
            }
            if (parsedVal == null) {
                continue;
            }
            parsedVal = valueConversionFunction(parsedVal);
            map.put(fieldName, parsedVal);
        }
        if (useFieldDiscovery) {
            discoverFields(map, document);
        }
        return map;
    } catch (Exception e) {
        throw new ParseException(e, "Unable to parse row [%s]", input);
    }
}

Example 8 with JsonPath

use of com.jayway.jsonpath.JsonPath in project JsonPath by jayway.

the class IssuesTest method issue_94_2.

@Test
public void issue_94_2() throws Exception {
    LRUCache cache = new LRUCache(5);
    JsonPath dummy = JsonPath.compile("$");
    cache.put("1", dummy);
    cache.put("2", dummy);
    cache.put("3", dummy);
    cache.put("4", dummy);
    cache.put("5", dummy);
    cache.put("6", dummy);
    cache.get("1");
    cache.get("2");
    cache.get("3");
    cache.get("4");
    cache.get("5");
    cache.get("6");
    cache.get("2");
    cache.get("3");
    cache.get("4");
    cache.get("5");
    cache.get("6");
    cache.get("3");
    cache.get("4");
    cache.get("5");
    cache.get("6");
    cache.get("4");
    cache.get("5");
    cache.get("6");
    cache.get("5");
    cache.get("6");
    cache.get("6");
    assertThat(cache.getSilent("6")).isNotNull();
    assertThat(cache.getSilent("5")).isNotNull();
    assertThat(cache.getSilent("4")).isNotNull();
    assertThat(cache.getSilent("3")).isNotNull();
    assertThat(cache.getSilent("2")).isNotNull();
    assertThat(cache.getSilent("1")).isNull();
}

Example 9 with JsonPath

use of com.jayway.jsonpath.JsonPath in project JsonPath by jayway.

the class IssuesTest method issue_94_1.

@Test
public void issue_94_1() throws Exception {
    LRUCache cache = new LRUCache(200);
    JsonPath dummy = JsonPath.compile("$");
    for (int i = 0; i < 1000; ++i) {
        String key = String.valueOf(i);
        cache.get(key);
        cache.put(key, dummy);
    }
    assertThat(cache.size()).isEqualTo(200);
}

Example 10 with JsonPath

use of com.jayway.jsonpath.JsonPath in project JsonPath by jayway.

the class IssuesTest method github_89.

@Test(expected = PathNotFoundException.class)
public void github_89() {
    com.google.gson.JsonObject json = new JsonObject();
    json.addProperty("foo", "bar");
    JsonPath path = JsonPath.compile("$.foo");
    String object = path.read(json);
}