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save Paragraph.text as list of strings
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114 changes: 114 additions & 0 deletions
114
...zengine/src/main/java/org/apache/zeppelin/notebook/typeadapter/ParagraphDeserializer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| /* | ||
| * 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.zeppelin.notebook.typeadapter; | ||
|
|
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| import com.google.gson.JsonDeserializationContext; | ||
| import com.google.gson.JsonDeserializer; | ||
| import com.google.gson.JsonElement; | ||
| import com.google.gson.JsonObject; | ||
| import com.google.gson.JsonParseException; | ||
|
|
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| import org.apache.zeppelin.notebook.Paragraph; | ||
| import org.apache.commons.lang.StringUtils; | ||
|
|
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| import java.lang.reflect.Constructor; | ||
| import java.lang.reflect.Field; | ||
| import java.lang.reflect.Type; | ||
| import java.lang.reflect.InvocationTargetException; | ||
|
|
||
| /** | ||
| * Custom deserializer for Paragraph | ||
| */ | ||
| public class ParagraphDeserializer implements JsonDeserializer<Paragraph> { | ||
| private static Paragraph createParagraph() { | ||
| try { | ||
| Constructor<Paragraph> constructor = Paragraph.class.getDeclaredConstructor(); | ||
| if (!constructor.isAccessible()) { | ||
| constructor.setAccessible(true); | ||
| } | ||
| return constructor.newInstance(); | ||
| } catch (NoSuchMethodException e) { | ||
| } catch (InstantiationException e) { | ||
| } catch (IllegalAccessException e) { | ||
| } catch (InvocationTargetException e) { | ||
| } | ||
| return null; | ||
| } | ||
|
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| private static Field getField(String fieldName) { | ||
| Class klass = Paragraph.class; | ||
| while (klass != Object.class) { | ||
| try { | ||
| Field field = klass.getDeclaredField(fieldName); | ||
| if (!field.isAccessible()) { | ||
| field.setAccessible(true); | ||
| } | ||
| return field; | ||
| } catch (NoSuchFieldException e) { | ||
| } | ||
| klass = klass.getSuperclass(); | ||
| } | ||
| return null; | ||
| } | ||
|
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| private static void extractFieldValue(JsonDeserializationContext context, JsonObject json, | ||
| Paragraph dst, String fieldName) { | ||
| Field field = getField(fieldName); | ||
| if (field != null) { | ||
| Object value = context.deserialize(json.get(fieldName), field.getType()); | ||
| try { | ||
| field.set(dst, value); | ||
| } catch (IllegalAccessException e) { | ||
| } | ||
| } | ||
| } | ||
|
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| @Override | ||
| public Paragraph deserialize(JsonElement json, Type typeOfT, | ||
| JsonDeserializationContext context) throws JsonParseException { | ||
| JsonObject jsonObject = (JsonObject) json; | ||
| Paragraph dst = createParagraph(); | ||
| if (dst == null) { | ||
| return null; | ||
| } | ||
| extractFieldValue(context, jsonObject, dst, "title"); | ||
| JsonElement textObject = jsonObject.get("text"); | ||
| if (textObject != null) { | ||
| if (textObject.isJsonArray()) { | ||
| String[] value = context.deserialize(textObject, String[].class); | ||
| dst.setText(StringUtils.join(value, "\n")); | ||
| } else if (textObject.isJsonPrimitive()) { | ||
| dst.setText(textObject.getAsJsonPrimitive().getAsString()); | ||
| } | ||
| } | ||
| extractFieldValue(context, jsonObject, dst, "user"); | ||
| extractFieldValue(context, jsonObject, dst, "dateUpdated"); | ||
| extractFieldValue(context, jsonObject, dst, "config"); | ||
| extractFieldValue(context, jsonObject, dst, "settings"); | ||
| extractFieldValue(context, jsonObject, dst, "jobName"); | ||
| extractFieldValue(context, jsonObject, dst, "id"); | ||
| extractFieldValue(context, jsonObject, dst, "result"); | ||
| extractFieldValue(context, jsonObject, dst, "dateCreated"); | ||
| extractFieldValue(context, jsonObject, dst, "dateStarted"); | ||
| extractFieldValue(context, jsonObject, dst, "dateFinished"); | ||
| extractFieldValue(context, jsonObject, dst, "status"); | ||
| extractFieldValue(context, jsonObject, dst, "errorMessage"); | ||
| extractFieldValue(context, jsonObject, dst, "progressUpdateIntervalMs"); | ||
| return dst; | ||
| } | ||
| } |
88 changes: 88 additions & 0 deletions
88
...n-zengine/src/main/java/org/apache/zeppelin/notebook/typeadapter/ParagraphSerializer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| /* | ||
| * 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.zeppelin.notebook.typeadapter; | ||
|
|
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| import com.google.gson.JsonSerializationContext; | ||
| import com.google.gson.JsonSerializer; | ||
| import com.google.gson.JsonElement; | ||
| import com.google.gson.JsonObject; | ||
|
|
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| import org.apache.zeppelin.notebook.Paragraph; | ||
|
|
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| import java.lang.reflect.Field; | ||
| import java.lang.reflect.Type; | ||
|
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| /** | ||
| * Custom serializer for Paragraph | ||
| */ | ||
| public class ParagraphSerializer implements JsonSerializer<Paragraph> { | ||
| private static Field getField(String fieldName) { | ||
| Class klass = Paragraph.class; | ||
| while (klass != Object.class) { | ||
| try { | ||
| Field field = klass.getDeclaredField(fieldName); | ||
| if (!field.isAccessible()) { | ||
| field.setAccessible(true); | ||
| } | ||
| return field; | ||
| } catch (NoSuchFieldException e) { | ||
| } | ||
| klass = klass.getSuperclass(); | ||
| } | ||
| return null; | ||
| } | ||
|
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| private static void addFieldValue(JsonSerializationContext context, JsonObject json, | ||
| Paragraph src, String fieldName) { | ||
| Field field = getField(fieldName); | ||
| if (field != null) { | ||
| try { | ||
| Object value = field.get(src); | ||
| if (value != null) { | ||
| json.add(fieldName, context.serialize(value)); | ||
| } | ||
| } catch (IllegalAccessException e) { | ||
| } | ||
| } | ||
| } | ||
|
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| @Override | ||
| public JsonElement serialize(Paragraph src, Type typeOfSrc, | ||
| JsonSerializationContext context) { | ||
| JsonObject json = new JsonObject(); | ||
| addFieldValue(context, json, src, "title"); | ||
| String text = src.getText(); | ||
| if (text != null) { | ||
| json.add("text", context.serialize(text.split("\n"))); | ||
| } | ||
| addFieldValue(context, json, src, "user"); | ||
| addFieldValue(context, json, src, "dateUpdated"); | ||
| addFieldValue(context, json, src, "config"); | ||
| addFieldValue(context, json, src, "settings"); | ||
| addFieldValue(context, json, src, "jobName"); | ||
| addFieldValue(context, json, src, "id"); | ||
| addFieldValue(context, json, src, "result"); | ||
| addFieldValue(context, json, src, "dateCreated"); | ||
| addFieldValue(context, json, src, "dateStarted"); | ||
| addFieldValue(context, json, src, "dateFinished"); | ||
| addFieldValue(context, json, src, "status"); | ||
| addFieldValue(context, json, src, "errorMessage"); | ||
| addFieldValue(context, json, src, "progressUpdateIntervalMs"); | ||
| return json; | ||
| } | ||
| } |