sijie commented on a change in pull request #2578: [WIP] Add support for schema
extraction from a jar
URL: https://github.com/apache/incubator-pulsar/pull/2578#discussion_r217571498
##########
File path:
pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/utils/SchemaExtractor.java
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@@ -0,0 +1,29 @@
+package org.apache.pulsar.admin.cli.utils;
+
+import org.apache.avro.Schema;
+import org.apache.avro.reflect.ReflectData;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.SerializationConfig;
+import org.codehaus.jackson.schema.JsonSchema;
+
+import java.io.IOException;
+
+public class SchemaExtractor {
+
+ public static String getJsonSchema(Class clazz) throws IOException {
+
+ org.codehaus.jackson.map.ObjectMapper mapper = new ObjectMapper();
+
mapper.configure(SerializationConfig.Feature.WRITE_ENUMS_USING_TO_STRING, true);
+
+ JsonSchema schema = mapper.generateJsonSchema(clazz);
+
+ return
mapper.writerWithDefaultPrettyPrinter().writeValueAsString(schema);
+ }
+
+ public static String getAvroSchema(Class clazz) {
Review comment:
use `Schema.AVRO(class).getSchemaInfo()` to get schema
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