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https://issues.apache.org/jira/browse/AVRO-3164?focusedWorklogId=703926&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-703926
]
ASF GitHub Bot logged work on AVRO-3164:
----------------------------------------
Author: ASF GitHub Bot
Created on: 05/Jan/22 13:16
Start Date: 05/Jan/22 13:16
Worklog Time Spent: 10m
Work Description: opwvhk commented on a change in pull request #1277:
URL: https://github.com/apache/avro/pull/1277#discussion_r778809555
##########
File path:
lang/java/compiler/src/main/java/org/apache/avro/compiler/specific/SpecificCompiler.java
##########
@@ -874,6 +874,40 @@ public int getNonNullIndex(Schema s) {
return (s.getTypes().get(0).equals(NULL_SCHEMA) ? 1 : 0);
}
+ /**
+ * Utility for template use. Returns true if specified java-class is
stringable
+ * and should be deserialized using constructor with String.
+ */
+ public boolean shouldBeDeserializedFromString(Schema schema) {
+ try {
+ Class<?> clazz = Class.forName(javaType(schema));
+ return specificData.isStringable(clazz);
+ } catch (ClassNotFoundException e) {
+ return false;
+ }
+ }
+
+ /**
+ * Utility for template use. Returns true constructor that accepts string
+ * parameter (e.g. new URL(string)) throws checked exception.
+ */
+ public boolean constructorThrowsCheckedException(Schema schema) {
+ try {
+ Class<?> clazz = Class.forName(javaType(schema));
+ Class<?>[] possibleExceptions =
clazz.getDeclaredConstructor(String.class).getExceptionTypes();
+ for (Class<?> exceptionClass : possibleExceptions) {
+ if (!Error.class.isAssignableFrom(exceptionClass) &&
!RuntimeException.class.isAssignableFrom(exceptionClass)) {
+ return true;
+ }
+ }
+ return false;
+ } catch (ClassNotFoundException e) {
+ throw new RuntimeException("Unable to find class " + javaType(schema),
e);
Review comment:
Instead of a bare `RuntimeException`, is shouldn't we throw
`AvroRuntimeException` ?
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Issue Time Tracking
-------------------
Worklog Id: (was: 703926)
Remaining Estimate: 0h
Time Spent: 10m
> Allow stringable types deserialization if java-class is specified
> -----------------------------------------------------------------
>
> Key: AVRO-3164
> URL: https://issues.apache.org/jira/browse/AVRO-3164
> Project: Apache Avro
> Issue Type: New Feature
> Components: java
> Reporter: Artur Kalimullin
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Currently, compiler supports java-class and generates java classes with the
> given class. It works properly with serialization as toString() is being
> called, however, on deserialization compiler generates casting instead of
> calling a constructor with the string argument.
> It works with the ReflectData but not with the SpecificData which throws
> ClassCastException in runtime.
> To solve this, the same behaviour as ReflectData could be used (calling a
> constructor with a String argument)
>
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