From ad6a98b86377326277d3c19c6e41e7edde285499 Mon Sep 17 00:00:00 2001 From: ChuanyuChen Date: Tue, 30 Aug 2022 10:15:49 +0800 Subject: Add JSON and collection handler Add handlers to save an object or a collection as String in DB Issue-ID: USECASEUI-710 Signed-off-by: ChuanyuChen Change-Id: Id7f9df35dc3ccad23bf784197671b39e043010c9 --- .../bean/handler/JsonCollectionTypeHandler.java | 61 +++++++++++++++++++ .../bean/handler/JsonTypeHandler.java | 68 ++++++++++++++++++++++ 2 files changed, 129 insertions(+) create mode 100644 intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/handler/JsonCollectionTypeHandler.java create mode 100644 intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/handler/JsonTypeHandler.java (limited to 'intentanalysis/src/main/java/org') diff --git a/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/handler/JsonCollectionTypeHandler.java b/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/handler/JsonCollectionTypeHandler.java new file mode 100644 index 0000000..55796d2 --- /dev/null +++ b/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/handler/JsonCollectionTypeHandler.java @@ -0,0 +1,61 @@ +/* + * Copyright 2020 Huawei Technologies Co., Ltd. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.onap.usecaseui.intentanalysis.bean.handler; + +import com.google.gson.Gson; +import com.google.gson.reflect.TypeToken; +import com.google.json.JsonSanitizer; +import java.lang.reflect.Type; +import java.sql.CallableStatement; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.util.Collection; +import org.apache.ibatis.type.BaseTypeHandler; +import org.apache.ibatis.type.JdbcType; + +public class JsonCollectionTypeHandler> extends BaseTypeHandler { + + Gson gson = new Gson(); + + Type collectionType = new TypeToken() { }.getType(); + + @Override + public void setNonNullParameter(PreparedStatement preparedStatement, int i, T o, JdbcType jdbcType) + throws SQLException { + preparedStatement.setString(i, gson.toJson(o, collectionType)); + } + + @Override + public T getNullableResult(ResultSet resultSet, String s) throws SQLException { + String text = resultSet.getString(s); + return gson.fromJson(text, collectionType); + } + + @Override + public T getNullableResult(ResultSet resultSet, int i) throws SQLException { + String text = resultSet.getString(i); + return gson.fromJson(text, collectionType); + } + + @Override + public T getNullableResult(CallableStatement callableStatement, int i) throws SQLException { + String text = callableStatement.getString(i); + text = JsonSanitizer.sanitize(text); + return gson.fromJson(text, collectionType); + } +} diff --git a/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/handler/JsonTypeHandler.java b/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/handler/JsonTypeHandler.java new file mode 100644 index 0000000..dc30684 --- /dev/null +++ b/intentanalysis/src/main/java/org/onap/usecaseui/intentanalysis/bean/handler/JsonTypeHandler.java @@ -0,0 +1,68 @@ +/* + * Copyright 2020 Huawei Technologies Co., Ltd. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.onap.usecaseui.intentanalysis.bean.handler; + +import com.google.gson.Gson; +import com.google.json.JsonSanitizer; +import java.sql.CallableStatement; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import org.apache.ibatis.type.BaseTypeHandler; +import org.apache.ibatis.type.JdbcType; + +public class JsonTypeHandler extends BaseTypeHandler { + + Gson gson = new Gson(); + + private Class clazz; + + /** + * handle json. + */ + public JsonTypeHandler(Class clazz) { + if (clazz == null) { + throw new IllegalArgumentException("Type argument cannot be null"); + } + this.clazz = clazz; + } + + @Override + public void setNonNullParameter(PreparedStatement preparedStatement, int i, Object o, JdbcType jdbcType) + throws SQLException { + preparedStatement.setString(i, gson.toJson(o)); + } + + @Override + public T getNullableResult(ResultSet resultSet, String s) throws SQLException { + String text = resultSet.getString(s); + return gson.fromJson(text, clazz); + } + + @Override + public T getNullableResult(ResultSet resultSet, int i) throws SQLException { + String text = resultSet.getString(i); + return gson.fromJson(text, clazz); + } + + @Override + public T getNullableResult(CallableStatement callableStatement, int i) throws SQLException { + String text = callableStatement.getString(i); + text = JsonSanitizer.sanitize(text); + return gson.fromJson(text, clazz); + } +} -- cgit 1.2.3-korg