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A single bundled dependency that includes all service and dependent JARs with third-party libraries
relocated to different namespaces.
/*
* Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.
* According to cos feature, we modify some class,comment, field name, etc.
*/
package com.qcloud.cos.utils;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.qcloud.cos.exception.CosClientException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.io.Writer;
public enum Jackson {
;
private static final Logger LOG = LoggerFactory.getLogger(Jackson.class);
private static final ObjectMapper objectMapper = new ObjectMapper();
static {
objectMapper.configure(JsonParser.Feature.ALLOW_COMMENTS, true);
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
}
private static final ObjectWriter writer = objectMapper.writer();
private static final ObjectWriter prettyWriter = objectMapper.writerWithDefaultPrettyPrinter();
public static String toJsonPrettyString(Object value) {
try {
return prettyWriter.writeValueAsString(value);
} catch (Exception e) {
throw new IllegalStateException(e);
}
}
public static String toJsonString(Object value) {
try {
return writer.writeValueAsString(value);
} catch (Exception e) {
throw new IllegalStateException(e);
}
}
/**
* Returns the deserialized object from the given json string and target
* class; or null if the given json string is null.
*/
public static T fromJsonString(String json, Class clazz) {
if (json == null)
return null;
try {
return objectMapper.readValue(json, clazz);
} catch (Exception e) {
throw new CosClientException("Unable to parse Json String.", e);
}
}
public static T fromSensitiveJsonString(String json, Class clazz) {
if (null == json) {
return null;
}
try {
return objectMapper.readValue(json, clazz);
} catch (IOException e) {
if (e instanceof JsonProcessingException) {
LOG.warn("Failed to parse the json string.", e);
throw new CosClientException("Unable to parse the json string. See warn logs for the exact error " +
"details, which may include sensitive information.");
}
throw new CosClientException("Unable to parse the json string.", e);
}
}
public static JsonNode jsonNodeOf(String json) {
return fromJsonString(json, JsonNode.class);
}
public static JsonGenerator jsonGeneratorOf(Writer writer) throws IOException {
return new JsonFactory().createGenerator(writer);
}
public static T loadFrom(File file, Class clazz) throws IOException {
try {
return objectMapper.readValue(file, clazz);
} catch (IOException e) {
throw e;
} catch (Exception e) {
throw new IllegalStateException(e);
}
}
public static ObjectMapper getObjectMapper() {
return objectMapper;
}
public static ObjectWriter getWriter() {
return writer;
}
public static ObjectWriter getPrettywriter() {
return prettyWriter;
}
}