@Nullable
private <T> Collection<T> parseOptionalArray(
boolean shouldUseNestedValueJson,
JSONObject json,
JsonWeakParser<T> jsonParser,
String... path)
throws JSONException {
if (shouldUseNestedValueJson) {
final JSONObject js = JsonParseUtil.getNestedOptionalObject(json, path);
if (js == null) {
return null;
}
return parseArray(js, jsonParser, VALUE_ATTR);
} else {
final JSONArray jsonArray = JsonParseUtil.getNestedOptionalArray(json, path);
if (jsonArray == null) {
return null;
}
final Collection<T> res = new ArrayList<T>(jsonArray.length());
for (int i = 0; i < jsonArray.length(); i++) {
res.add(jsonParser.parse(jsonArray.get(i)));
}
return res;
}
}
@Nullable
private String getOptionalFieldStringUnisex(
boolean shouldUseNestedValueJson, JSONObject json, String attributeName)
throws JSONException {
final JSONObject fieldsJson = json.getJSONObject(FIELDS);
if (shouldUseNestedValueJson) {
final JSONObject fieldJson = fieldsJson.optJSONObject(attributeName);
if (fieldJson != null) {
return JsonParseUtil.getOptionalString(fieldJson, VALUE_ATTR); // pre 5.0 way
} else {
return null;
}
}
return JsonParseUtil.getOptionalString(fieldsJson, attributeName);
}
@Nullable
private <T> T getOptionalField(
boolean shouldUseNestedValue, JSONObject s, final String fieldId, JsonParser<T> jsonParser)
throws JSONException {
final JSONObject fieldJson = JsonParseUtil.getNestedOptionalObject(s, FIELDS, fieldId);
// for fields like assignee (when unassigned) value attribute may be missing completely
if (fieldJson != null) {
if (shouldUseNestedValue) {
final JSONObject valueJsonObject = fieldJson.optJSONObject(VALUE_ATTR);
if (valueJsonObject != null) {
return jsonParser.parse(valueJsonObject);
}
} else {
return jsonParser.parse(fieldJson);
}
}
return null;
}
@Override
public Issue parse(JSONObject s) throws JSONException {
final Iterable<String> expandos = parseExpandos(s);
final boolean isJira5x0OrNewer =
Iterables.contains(expandos, SCHEMA_SECTION) || this.types != null;
final boolean shouldUseNestedValueAttribute = !isJira5x0OrNewer;
final Collection<Comment> comments;
if (isJira5x0OrNewer) {
final JSONObject commentsJson = s.getJSONObject(FIELDS).getJSONObject(COMMENT_FIELD.id);
comments =
parseArray(
commentsJson,
new JsonWeakParserForJsonObject<Comment>(commentJsonParser),
"comments");
} else {
final Collection<Comment> commentsTmp =
parseOptionalArray(
shouldUseNestedValueAttribute,
s,
new JsonWeakParserForJsonObject<Comment>(commentJsonParser),
FIELDS,
COMMENT_FIELD.id);
comments = commentsTmp != null ? commentsTmp : Lists.<Comment>newArrayList();
}
final String summary = getFieldStringValue(s, SUMMARY_FIELD.id);
final String description =
getOptionalFieldStringUnisex(shouldUseNestedValueAttribute, s, DESCRIPTION_FIELD.id);
final Collection<Attachment> attachments =
parseOptionalArray(
shouldUseNestedValueAttribute,
s,
new JsonWeakParserForJsonObject<Attachment>(attachmentJsonParser),
FIELDS,
ATTACHMENT_FIELD.id);
final Collection<Field> fields =
isJira5x0OrNewer ? parseFieldsJira5x0(s) : parseFields(s.getJSONObject(FIELDS));
final BasicIssueType issueType =
issueTypeJsonParser.parse(getFieldUnisex(s, ISSUE_TYPE_FIELD.id));
final DateTime creationDate =
JsonParseUtil.parseDateTime(getFieldStringUnisex(s, CREATED_FIELD.id));
final DateTime updateDate =
JsonParseUtil.parseDateTime(getFieldStringUnisex(s, UPDATED_FIELD.id));
final String dueDateString =
getOptionalFieldStringUnisex(shouldUseNestedValueAttribute, s, DUE_DATE_FIELD.id);
final DateTime dueDate =
dueDateString == null ? null : JsonParseUtil.parseDateTimeOrDate(dueDateString);
final BasicPriority priority =
getOptionalField(shouldUseNestedValueAttribute, s, PRIORITY_FIELD.id, priorityJsonParser);
final BasicResolution resolution =
getOptionalField(
shouldUseNestedValueAttribute, s, RESOLUTION_FIELD.id, resolutionJsonParser);
final BasicUser assignee =
getOptionalField(shouldUseNestedValueAttribute, s, ASSIGNEE_FIELD.id, userJsonParser);
final BasicUser reporter =
getOptionalField(shouldUseNestedValueAttribute, s, REPORTER_FIELD.id, userJsonParser);
final String transitionsUri =
getOptionalFieldStringUnisex(shouldUseNestedValueAttribute, s, TRANSITIONS_FIELD.id);
final BasicProject project = projectJsonParser.parse(getFieldUnisex(s, PROJECT_FIELD.id));
final Collection<IssueLink> issueLinks;
if (isJira5x0OrNewer) {
issueLinks =
parseOptionalArray(
shouldUseNestedValueAttribute,
s,
new JsonWeakParserForJsonObject<IssueLink>(issueLinkJsonParserV5),
FIELDS,
LINKS_FIELD.id);
} else {
issueLinks =
parseOptionalArray(
shouldUseNestedValueAttribute,
s,
new JsonWeakParserForJsonObject<IssueLink>(issueLinkJsonParser),
FIELDS,
LINKS_PRE_5_0_FIELD.id);
}
Collection<Subtask> subtasks = null;
if (isJira5x0OrNewer) {
subtasks =
parseOptionalArray(
shouldUseNestedValueAttribute,
s,
new JsonWeakParserForJsonObject<Subtask>(subtaskJsonParser),
FIELDS,
SUBTASKS_FIELD.id);
}
final BasicVotes votes =
getOptionalField(shouldUseNestedValueAttribute, s, VOTES_FIELD.id, votesJsonParser);
final BasicStatus status = statusJsonParser.parse(getFieldUnisex(s, STATUS_FIELD.id));
final Collection<Version> fixVersions =
parseOptionalArray(
shouldUseNestedValueAttribute,
s,
new JsonWeakParserForJsonObject<Version>(versionJsonParser),
FIELDS,
FIX_VERSIONS_FIELD.id);
final Collection<Version> affectedVersions =
parseOptionalArray(
shouldUseNestedValueAttribute,
s,
new JsonWeakParserForJsonObject<Version>(versionJsonParser),
FIELDS,
AFFECTS_VERSIONS_FIELD.id);
final Collection<BasicComponent> components =
parseOptionalArray(
shouldUseNestedValueAttribute,
s,
new JsonWeakParserForJsonObject<BasicComponent>(basicComponentJsonParser),
FIELDS,
COMPONENTS_FIELD.id);
final Collection<Worklog> worklogs;
if (isJira5x0OrNewer) {
if (JsonParseUtil.getNestedOptionalObject(s, FIELDS, WORKLOG_FIELD.id) != null) {
worklogs =
parseOptionalArray(
shouldUseNestedValueAttribute,
s,
new JsonWeakParserForJsonObject<Worklog>(
new WorklogJsonParserV5(JsonParseUtil.getSelfUri(s))),
FIELDS,
WORKLOG_FIELD.id,
WORKLOGS_FIELD.id);
} else {
worklogs = Collections.emptyList();
}
} else {
worklogs =
parseOptionalArray(
shouldUseNestedValueAttribute,
s,
new JsonWeakParserForJsonObject<Worklog>(worklogJsonParser),
FIELDS,
WORKLOG_FIELD.id);
}
final BasicWatchers watchers =
getOptionalField(
shouldUseNestedValueAttribute,
s,
isJira5x0OrNewer ? WATCHER_FIELD.id : WATCHER_PRE_5_0_FIELD.id,
watchersJsonParser);
final TimeTracking timeTracking =
getOptionalField(
shouldUseNestedValueAttribute,
s,
TIMETRACKING_FIELD.id,
isJira5x0OrNewer ? new TimeTrackingJsonParserV5() : new TimeTrackingJsonParser());
final Set<String> labels =
Sets.newHashSet(
parseOptionalArrayNotNullable(
shouldUseNestedValueAttribute,
s,
jsonWeakParserForString,
FIELDS,
LABELS_FIELD.id));
final Collection<ChangelogGroup> changelog =
parseOptionalArray(
false,
s,
new JsonWeakParserForJsonObject<ChangelogGroup>(changelogJsonParser),
"changelog",
"histories");
return new Issue(
summary,
JsonParseUtil.getSelfUri(s),
s.getString("key"),
project,
issueType,
status,
description,
priority,
resolution,
attachments,
reporter,
assignee,
creationDate,
updateDate,
dueDate,
affectedVersions,
fixVersions,
components,
timeTracking,
fields,
comments,
transitionsUri != null ? JsonParseUtil.parseURI(transitionsUri) : null,
issueLinks,
votes,
worklogs,
watchers,
expandos,
subtasks,
changelog,
labels);
}