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@@ -0,0 +1,137 @@
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+/*=============================================================================
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+
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+ Plugin: org.commontk.xnat
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+
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+ Copyright (c) University College London,
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+ Centre for Medical Image Computing
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+
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+ Licensed under the Apache License, Version 2.0 (the "License");
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+ you may not use this file except in compliance with the License.
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+ You may obtain a copy of the License at
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+
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+ http://www.apache.org/licenses/LICENSE-2.0
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+
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+ Unless required by applicable law or agreed to in writing, software
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+ distributed under the License is distributed on an "AS IS" BASIS,
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+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ See the License for the specific language governing permissions and
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+ limitations under the License.
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+
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+=============================================================================*/
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+
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+// ctkXnatAPI includes
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+#include "ctkXnatAPI_p.h"
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+#include "qRestResult.h"
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+#include <QNetworkReply>
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+#include <QRegExp>
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+#include <QUrl>
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+
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+// --------------------------------------------------------------------------
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+// ctkXnatAPI methods
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+
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+// --------------------------------------------------------------------------
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+ctkXnatAPI::ctkXnatAPI(QObject* _parent)
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+ : Superclass(_parent)
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+{
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+}
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+
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+// --------------------------------------------------------------------------
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+ctkXnatAPI::~ctkXnatAPI()
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+{
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+}
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+
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+// --------------------------------------------------------------------------
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+QUuid ctkXnatAPI::get(const QString& resource, const Parameters& parameters, const qRestAPI::RawHeaders& rawHeaders)
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+{
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+ QUrl url = this->createUrl(resource, parameters);
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+ url.addQueryItem("format", "json");
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+ QNetworkReply* queryReply = this->sendRequest(QNetworkAccessManager::GetOperation, url, rawHeaders);
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+ QUuid queryId = queryReply->property("uuid").toString();
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+ return queryId;
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+}
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+
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+// --------------------------------------------------------------------------
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+void ctkXnatAPI::parseResponse(qRestResult* restResult, const QByteArray& response)
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+{
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+ static QRegExp identifierPattern("[a-zA-Z][a-zA-Z0-9_]*");
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+
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+ QList<QVariantMap> result;
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+
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+ if (response.isEmpty())
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+ {
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+ // Some operations do not return result. E.g. creating a project.
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+ }
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+ else if (response.startsWith("<html>"))
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+ {
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+ // Some operations return an XML description of an object.
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+ // E.g. GET query for a specific subject.
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+ restResult->setError(QString("Bad data: ") + response);
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+ }
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+ else if (response.startsWith("<?xml "))
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+ {
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+ // Some operations return an XML description of an object.
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+ // E.g. GET query for a specific subject.
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+ result = this->parseXmlResponse(restResult, response);
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+ }
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+ else if (response[0] == '{')
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+ {
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+ // Other operations return a json description of an object.
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+ // E.g. GET query of the list of subjects
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+ result = this->parseJsonResponse(restResult, response);
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+ }
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+ else if (identifierPattern.exactMatch(response))
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+ {
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+ // Some operations return the identifier of the newly created object.
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+ // E.g. creating a subject.
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+ QVariantMap map;
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+ map["ID"] = response;
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+ result.push_back(map);
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+ }
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+ else
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+ {
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+ restResult->setError(QString("Bad data: ") + response);
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+ }
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+
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+ restResult->setResult(result);
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+}
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+
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+// --------------------------------------------------------------------------
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+QList<QVariantMap> ctkXnatAPI::parseXmlResponse(qRestResult* restResult, const QByteArray& response)
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+{
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+ QList<QVariantMap> result;
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+ return result;
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+}
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+
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+// --------------------------------------------------------------------------
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+QList<QVariantMap> ctkXnatAPI::parseJsonResponse(qRestResult* restResult, const QByteArray& response)
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+{
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+ QScriptValue scriptValue = this->ScriptEngine.evaluate("(" + QString(response) + ")");
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+
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+ QList<QVariantMap> result;
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+
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+ // e.g. {"ResultSet":{"Result": [{"p1":"v1","p2":"v2",...}], "totalRecords":"13"}}
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+ QScriptValue resultSet = scriptValue.property("ResultSet");
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+ QScriptValue dataLength = resultSet.property("totalRecords");
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+ QScriptValue data = resultSet.property("Result");
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+ if (!data.isObject())
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+ {
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+ if (!data.toString().isEmpty())
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+ {
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+ restResult->setError(QString("Bad data: ") + data.toString());
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+ }
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+ }
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+ if (data.isArray())
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+ {
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+ quint32 length = data.property("length").toUInt32();
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+ for(quint32 i = 0; i < length; ++i)
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+ {
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+ qRestAPI::appendScriptValueToVariantMapList(result, data.property(i));
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+ }
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+ }
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+ else
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+ {
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+ qRestAPI::appendScriptValueToVariantMapList(result, data);
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+ }
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+
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+ return result;
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+}
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Miklos Espak