/*
* 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.addthis.codec.json;
import java.io.IOException;
import com.addthis.codec.Codec;
import com.addthis.codec.jackson.CodecJackson;
import com.addthis.maljson.JSONObject;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class CodecJSON implements Codec {
private CodecJSON() {}
private static final Logger log = LoggerFactory.getLogger(CodecJSON.class);
public static final CodecJSON INSTANCE = new CodecJSON();
@Override
public byte[] encode(Object obj) throws Exception {
return CodecJackson.getDefault().getObjectMapper().writeValueAsBytes(obj);
}
@Override
public <T> T decode(T shell, byte[] data) throws IOException {
return CodecJackson.getDefault().getObjectMapper().readerForUpdating(shell).readValue(data);
}
@Override
public <T> T decode(Class<T> type, byte[] data) throws Exception {
return CodecJackson.getDefault().getObjectMapper().reader(type).readValue(data);
}
@Override
public boolean storesNull(byte[] data) {
throw new UnsupportedOperationException();
}
public static JsonNode encodeJsonNode(Object object) throws Exception {
return CodecJackson.getDefault().getObjectMapper().valueToTree(object);
}
/** @deprecated Use {@link #encodeJsonNode(Object)} or {@link CodecJackson} */
@Deprecated
public static JSONObject encodeJSON(Object object) throws Exception {
return new JSONObject(CodecJackson.getDefault().getObjectMapper().writeValueAsString(object));
}
public static String encodeString(Object object) throws JsonProcessingException {
return CodecJackson.getDefault().getObjectMapper().writeValueAsString(object);
}
public static String tryEncodeString(Object object, String defaultValue) {
try {
return CodecJackson.getDefault().getObjectMapper().writeValueAsString(object);
} catch (JsonProcessingException ex) {
return defaultValue;
}
}
/** @deprecated Use {@link #decodeString(Class, String)} instead. */
@Deprecated
public static <T> T decodeString(T object, String json) throws IOException {
return CodecJackson.getDefault().getObjectMapper().readerForUpdating(object).readValue(json);
}
public static <T> T decodeString(Class<T> type, String json) throws IOException {
return CodecJackson.getDefault().getObjectMapper().reader(type).readValue(json);
}
public static <T> T decodeJSON(T object, JsonNode json) throws IOException {
return CodecJackson.getDefault().getObjectMapper().readerForUpdating(object).readValue(json);
}
}