X-Git-Url: http://git.ieval.ro/?a=blobdiff_plain;f=src%2Fcom%2Fgoogle%2Fgson%2Finternal%2Fbind%2FSqlDateTypeAdapter.java;fp=src%2Fcom%2Fgoogle%2Fgson%2Finternal%2Fbind%2FSqlDateTypeAdapter.java;h=5ecc2e966b9175cbfe71b72659bd9a6926bcd6ab;hb=cfd903b6b5113fa28991db19bf98d0340ae709a4;hp=0000000000000000000000000000000000000000;hpb=819197b2305a94ab4924c5ae37a3fad762078448;p=unical.git diff --git a/src/com/google/gson/internal/bind/SqlDateTypeAdapter.java b/src/com/google/gson/internal/bind/SqlDateTypeAdapter.java new file mode 100644 index 0000000..5ecc2e9 --- /dev/null +++ b/src/com/google/gson/internal/bind/SqlDateTypeAdapter.java @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2011 Google Inc. + * + * Licensed 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 com.google.gson.internal.bind; + +import com.google.gson.Gson; +import com.google.gson.JsonSyntaxException; +import com.google.gson.TypeAdapter; +import com.google.gson.TypeAdapterFactory; +import com.google.gson.reflect.TypeToken; +import com.google.gson.stream.JsonReader; +import com.google.gson.stream.JsonToken; +import com.google.gson.stream.JsonWriter; +import java.io.IOException; +import java.text.DateFormat; +import java.text.ParseException; +import java.text.SimpleDateFormat; + +/** + * Adapter for java.sql.Date. Although this class appears stateless, it is not. + * DateFormat captures its time zone and locale when it is created, which gives + * this class state. DateFormat isn't thread safe either, so this class has + * to synchronize its read and write methods. + */ +public final class SqlDateTypeAdapter extends TypeAdapter { + public static final TypeAdapterFactory FACTORY = new TypeAdapterFactory() { + @SuppressWarnings("unchecked") // we use a runtime check to make sure the 'T's equal + public TypeAdapter create(Gson gson, TypeToken typeToken) { + return typeToken.getRawType() == java.sql.Date.class + ? (TypeAdapter) new SqlDateTypeAdapter() : null; + } + }; + + private final DateFormat format = new SimpleDateFormat("MMM d, yyyy"); + + @Override + public synchronized java.sql.Date read(JsonReader in) throws IOException { + if (in.peek() == JsonToken.NULL) { + in.nextNull(); + return null; + } + try { + final long utilDate = format.parse(in.nextString()).getTime(); + return new java.sql.Date(utilDate); + } catch (ParseException e) { + throw new JsonSyntaxException(e); + } + } + + @Override + public synchronized void write(JsonWriter out, java.sql.Date value) throws IOException { + out.value(value == null ? null : format.format(value)); + } +}