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Fixed issue 162 by making default date adapter thread-safe by synchronizing serialize() and deserialize() methods.

This commit is contained in:
Inderjeet Singh 2009-09-25 17:14:48 +00:00
parent 8297437610
commit 19ae6c0763
1 changed files with 14 additions and 11 deletions
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25
gson/src/main/java/com/google/gson/DefaultTypeAdapters.java
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@ -54,8 +54,7 @@ import java.util.UUID;
*/
final class DefaultTypeAdapters {
private static final DefaultDateTypeAdapter DATE_TYPE_ADAPTER =
new DefaultDateTypeAdapter(DateFormat.getDateTimeInstance());
private static final DefaultDateTypeAdapter DATE_TYPE_ADAPTER = new DefaultDateTypeAdapter();
@SuppressWarnings("unchecked")
private static final EnumTypeAdapter ENUM_TYPE_ADAPTER = new EnumTypeAdapter();
@ -234,28 +233,32 @@ final class DefaultTypeAdapters {
static class DefaultDateTypeAdapter implements JsonSerializer<Date>, JsonDeserializer<Date> {
private final DateFormat format;
public DefaultDateTypeAdapter(String datePattern) {
DefaultDateTypeAdapter() {
this.format = DateFormat.getDateTimeInstance();
}
DefaultDateTypeAdapter(final String datePattern) {
this.format = new SimpleDateFormat(datePattern);
}
DefaultDateTypeAdapter(DateFormat format) {
this.format = format;
}
public DefaultDateTypeAdapter(int style) {
DefaultDateTypeAdapter(final int style) {
this.format = DateFormat.getDateInstance(style);
}
public DefaultDateTypeAdapter(int dateStyle, int timeStyle) {
public DefaultDateTypeAdapter(final int dateStyle, final int timeStyle) {
this.format = DateFormat.getDateTimeInstance(dateStyle, timeStyle);
}
public JsonElement serialize(Date src, Type typeOfSrc, JsonSerializationContext context) {
// These methods need to be synchronized since JDK DateFormat classes are not thread-safe
// See issue 162
public synchronized JsonElement serialize(
Date src, Type typeOfSrc, JsonSerializationContext context) {
String dateFormatAsString = format.format(src);
return new JsonPrimitive(dateFormatAsString);
}
public Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
public synchronized Date deserialize(
JsonElement json, Type typeOfT, JsonDeserializationContext context)
throws JsonParseException {
if (!(json instanceof JsonPrimitive)) {
throw new JsonParseException("The date should be a string value");