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Inheritance support java client okhttp gson (#6636)

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* #6636 inheritance support for java client okhttp with gson parser

* #6636 generate samples
This commit is contained in:
Lukasz Konopski
2017-11-22 14:28:13 +01:00
committed by William Cheng
parent ed705e9d70
commit 0f92baeb04
8 changed files with 103 additions and 2 deletions
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43
samples/client/petstore/java/okhttp-gson/src/main/java/io/swagger/client/JSON.java
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@@ -20,10 +20,15 @@ import com.google.gson.TypeAdapter;
import com.google.gson.internal.bind.util.ISO8601Utils;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import com.google.gson.JsonElement;
import io.gsonfire.GsonFireBuilder;
import io.gsonfire.TypeSelector;
import org.threeten.bp.LocalDate;
import org.threeten.bp.OffsetDateTime;
import org.threeten.bp.format.DateTimeFormatter;
import io.swagger.client.model.*;
import java.io.IOException;
import java.io.StringReader;
import java.lang.reflect.Type;
@@ -31,6 +36,8 @@ import java.text.DateFormat;
import java.text.ParseException;
import java.text.ParsePosition;
import java.util.Date;
import java.util.Map;
import java.util.HashMap;
public class JSON {
private Gson gson;
@@ -40,8 +47,42 @@ public class JSON {
private OffsetDateTimeTypeAdapter offsetDateTimeTypeAdapter = new OffsetDateTimeTypeAdapter();
private LocalDateTypeAdapter localDateTypeAdapter = new LocalDateTypeAdapter();
public static GsonBuilder createGson() {
GsonFireBuilder fireBuilder = new GsonFireBuilder()
.registerTypeSelector(Animal.class, new TypeSelector() {
@Override
public Class getClassForElement(JsonElement readElement) {
Map classByDiscriminatorValue = new HashMap();
classByDiscriminatorValue.put("Cat".toUpperCase(), Cat.class);
classByDiscriminatorValue.put("Dog".toUpperCase(), Dog.class);
classByDiscriminatorValue.put("Animal".toUpperCase(), Animal.class);
return getClassByDiscriminator(
classByDiscriminatorValue,
getDiscriminatorValue(readElement, "className"));
}
})
;
return fireBuilder.createGsonBuilder();
}
private static String getDiscriminatorValue(JsonElement readElement, String discriminatorField) {
JsonElement element = readElement.getAsJsonObject().get(discriminatorField);
if(null == element) {
throw new IllegalArgumentException("missing discriminator field: <" + discriminatorField + ">");
}
return element.getAsString();
}
private static Class getClassByDiscriminator(Map classByDiscriminatorValue, String discriminatorValue) {
Class clazz = (Class) classByDiscriminatorValue.get(discriminatorValue.toUpperCase());
if(null == clazz) {
throw new IllegalArgumentException("cannot determine model class of name: <" + discriminatorValue + ">");
}
return clazz;
}
public JSON() {
gson = new GsonBuilder()
gson = createGson()
.registerTypeAdapter(Date.class, dateTypeAdapter)
.registerTypeAdapter(java.sql.Date.class, sqlDateTypeAdapter)
.registerTypeAdapter(OffsetDateTime.class, offsetDateTimeTypeAdapter)