com.google.gwtjsonrpc.server.SqlDateDeserializer.java Source code

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Here is the source code for com.google.gwtjsonrpc.server.SqlDateDeserializer.java

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// Copyright 2008 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.gwtjsonrpc.server;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonNull;
import com.google.gson.JsonParseException;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;

import java.lang.reflect.Type;

public class SqlDateDeserializer implements JsonDeserializer<java.sql.Date>, JsonSerializer<java.sql.Date> {
    public java.sql.Date deserialize(final JsonElement json, final Type typeOfT,
            final JsonDeserializationContext context) throws JsonParseException {
        if (json.isJsonNull()) {
            return null;
        }
        if (!json.isJsonPrimitive()) {
            throw new JsonParseException("Expected string for date type");
        }
        final JsonPrimitive p = (JsonPrimitive) json;
        if (!p.isString()) {
            throw new JsonParseException("Expected string for date type");
        }
        try {
            return java.sql.Date.valueOf(p.getAsString());
        } catch (IllegalArgumentException e) {
            throw new JsonParseException("Not a date string");
        }
    }

    public JsonElement serialize(final java.sql.Date src, final Type typeOfSrc,
            final JsonSerializationContext context) {
        if (src == null) {
            return new JsonNull();
        }
        return new JsonPrimitive(src.toString());
    }
}