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99 changes: 99 additions & 0 deletions
99
amoro-ams/src/main/java/org/apache/amoro/server/dashboard/JavalinJsonMapper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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.apache.amoro.server.dashboard; | ||
|
|
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| import io.javalin.plugin.json.JsonMapper; | ||
| import org.apache.amoro.TableFormat; | ||
| import org.apache.amoro.shade.jackson2.com.fasterxml.jackson.core.JsonProcessingException; | ||
| import org.apache.amoro.shade.jackson2.com.fasterxml.jackson.databind.ObjectMapper; | ||
| import org.apache.amoro.shade.jackson2.com.fasterxml.jackson.databind.module.SimpleModule; | ||
| import org.jetbrains.annotations.NotNull; | ||
|
|
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| import java.io.ByteArrayInputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
|
|
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| /** Json mapper to adapt shaded jackson. */ | ||
| public class JavalinJsonMapper implements JsonMapper { | ||
|
|
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| private final ObjectMapper objectMapper; | ||
|
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| public static JavalinJsonMapper createDefaultJsonMapper() { | ||
| ObjectMapper om = new ObjectMapper(); | ||
| SimpleModule module = new SimpleModule(); | ||
| module.addSerializer(TableFormat.class, new TableFormat.JsonSerializer()); | ||
| module.addDeserializer(TableFormat.class, new TableFormat.JsonDeserializer()); | ||
| om.registerModule(module); | ||
| return new JavalinJsonMapper(om); | ||
| } | ||
|
|
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| public JavalinJsonMapper(ObjectMapper shadedMapper) { | ||
| this.objectMapper = shadedMapper; | ||
| } | ||
|
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| @NotNull | ||
| @Override | ||
| public String toJsonString(@NotNull Object obj) { | ||
| if (obj instanceof String) { | ||
| return (String) obj; | ||
| } | ||
| try { | ||
| return objectMapper.writeValueAsString(obj); | ||
| } catch (JsonProcessingException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
|
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| @NotNull | ||
| @Override | ||
| public InputStream toJsonStream(@NotNull Object obj) { | ||
| if (obj instanceof String) { | ||
| String result = (String) obj; | ||
| return new ByteArrayInputStream(result.getBytes()); | ||
| } else { | ||
| byte[] string = new byte[0]; | ||
| try { | ||
| string = objectMapper.writeValueAsBytes(obj); | ||
| return new ByteArrayInputStream(string); | ||
| } catch (JsonProcessingException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } | ||
|
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| @NotNull | ||
| @Override | ||
| public <T> T fromJsonString(@NotNull String json, @NotNull Class<T> targetClass) { | ||
| try { | ||
| return objectMapper.readValue(json, targetClass); | ||
| } catch (JsonProcessingException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
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| @NotNull | ||
| @Override | ||
| public <T> T fromJsonStream(@NotNull InputStream json, @NotNull Class<T> targetClass) { | ||
| try { | ||
| return objectMapper.readValue(json, targetClass); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } |
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