apache / rocketmq-dashboard / 200

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Build # 200

Build Type

Pull #130

travis-ci-com

Committed by

web-flow

Commit Message

Merge e87e98135 into 86bdb0636

Pull Request Pull Request #130: Bump snakeyaml from 1.30 to 1.32

Run Details

2374 of 2869 relevant lines covered (82.75%)

1.65 hits per line

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27.59

/src/main/java/org/apache/rocketmq/dashboard/util/JsonUtil.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.rocketmq.dashboard.util;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider;
import com.google.common.base.Strings;
import com.google.common.base.Throwables;
import java.io.IOException;
import java.io.Writer;
import java.text.SimpleDateFormat;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@SuppressWarnings("unchecked")
public class JsonUtil {

    private static Logger logger = LoggerFactory.getLogger(JsonUtil.class);
    private static ObjectMapper objectMapper = new ObjectMapper();

    private JsonUtil() {
    }

    static {
        objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
        objectMapper.configure(SerializationFeature.WRITE_ENUMS_USING_TO_STRING, true);
        objectMapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true);
        objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
        objectMapper.setFilters(new SimpleFilterProvider().setFailOnUnknownId(false));
        objectMapper.setSerializationInclusion(JsonInclude.Include.NON_EMPTY);
        objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
    }

    public static void writeValue(Writer writer, Object obj) {
        try {
            objectMapper.writeValue(writer, obj);
        }
        catch (IOException e) {
            Throwables.propagateIfPossible(e);
        }
    }

    public static <T> String obj2String(T src) {
        if (src == null) {
            return null;
        }

        try {
            return src instanceof String ? (String)src : objectMapper.writeValueAsString(src);
        }
        catch (Exception e) {
            logger.error("Parse Object to String error src=" + src, e);
            return null;
        }
    }

    public static <T> byte[] obj2Byte(T src) {
        if (src == null) {
            return null;
        }

        try {
            return src instanceof byte[] ? (byte[])src : objectMapper.writeValueAsBytes(src);
        }
        catch (Exception e) {
            logger.error("Parse Object to byte[] error", e);
            return null;
        }
    }

    public static <T> T string2Obj(String str, Class<T> clazz) {
        if (Strings.isNullOrEmpty(str) || clazz == null) {
            return null;
        }
        str = escapesSpecialChar(str);
        try {
            return clazz.equals(String.class) ? (T)str : objectMapper.readValue(str, clazz);
        }
        catch (Exception e) {
            logger.error("Parse String to Object error\nString: {}\nClass<T>: {}\nError: {}", str, clazz.getName(), e);
            return null;
        }
    }

    public static <T> T byte2Obj(byte[] bytes, Class<T> clazz) {
        if (bytes == null || clazz == null) {
            return null;
        }
        try {
            return clazz.equals(byte[].class) ? (T)bytes : objectMapper.readValue(bytes, clazz);
        }
        catch (Exception e) {
            logger.error("Parse byte[] to Object error\nbyte[]: {}\nClass<T>: {}\nError: {}", bytes, clazz.getName(), e);
            return null;
        }
    }

    public static <T> T string2Obj(String str, TypeReference<T> typeReference) {
        if (Strings.isNullOrEmpty(str) || typeReference == null) {
            return null;
        }
        str = escapesSpecialChar(str);
        try {
            return (T)(typeReference.getType().equals(String.class) ? str : objectMapper.readValue(str, typeReference));
        }
        catch (Exception e) {
            logger.error("Parse String to Object error\nString: {}\nTypeReference<T>: {}\nError: {}", str,
                typeReference.getType(), e);
            return null;
        }
    }

    public static <T> T byte2Obj(byte[] bytes, TypeReference<T> typeReference) {
        if (bytes == null || typeReference == null) {
            return null;
        }
        try {
            return (T)(typeReference.getType().equals(byte[].class) ? bytes : objectMapper.readValue(bytes,
                typeReference));
        }
        catch (Exception e) {
            logger.error("Parse byte[] to Object error\nbyte[]: {}\nTypeReference<T>: {}\nError: {}", bytes,
                typeReference.getType(), e);
            return null;
        }
    }

    public static <T> T map2Obj(Map<String, String> map, Class<T> clazz) {
        String str = obj2String(map);
        return string2Obj(str, clazz);
    }

    private static String escapesSpecialChar(String str) {
        return str.replace("\n", "\\n").replace("\r", "\\r");
    }
}

1	/*
2	* Licensed to the Apache Software Foundation (ASF) under one or more
3	* contributor license agreements. See the NOTICE file distributed with
4	* this work for additional information regarding copyright ownership.
5	* The ASF licenses this file to You under the Apache License, Version 2.0
6	* (the "License"); you may not use this file except in compliance with
7	* the License. You may obtain a copy of the License at
8	*
9	* http://www.apache.org/licenses/LICENSE-2.0
10	*
11	* Unless required by applicable law or agreed to in writing, software
12	* distributed under the License is distributed on an "AS IS" BASIS,
13	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14	* See the License for the specific language governing permissions and
15	* limitations under the License.
16	*/
17
18	package org.apache.rocketmq.dashboard.util;
19
20	import com.fasterxml.jackson.annotation.JsonInclude;
21	import com.fasterxml.jackson.core.type.TypeReference;
22	import com.fasterxml.jackson.databind.DeserializationFeature;
23	import com.fasterxml.jackson.databind.ObjectMapper;
24	import com.fasterxml.jackson.databind.SerializationFeature;
25	import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider;
26	import com.google.common.base.Strings;
27	import com.google.common.base.Throwables;
28	import java.io.IOException;
29	import java.io.Writer;
30	import java.text.SimpleDateFormat;
31	import java.util.Map;
32	import org.slf4j.Logger;
33	import org.slf4j.LoggerFactory;
34
35	@SuppressWarnings("unchecked")
36	public class JsonUtil {
37
38	private static Logger logger = LoggerFactory.getLogger(JsonUtil.class);	2✔
39	private static ObjectMapper objectMapper = new ObjectMapper();	2✔
40
41	private JsonUtil() {
42	}
43
44	static {
45	objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);	2✔
46	objectMapper.configure(SerializationFeature.WRITE_ENUMS_USING_TO_STRING, true);	2✔
47	objectMapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true);	2✔
48	objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);	2✔
49	objectMapper.setFilters(new SimpleFilterProvider().setFailOnUnknownId(false));	2✔
50	objectMapper.setSerializationInclusion(JsonInclude.Include.NON_EMPTY);	2✔
51	objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));	2✔
52	}	2✔
53
54	public static void writeValue(Writer writer, Object obj) {
55	try {
56	objectMapper.writeValue(writer, obj);	×
57	}
58	catch (IOException e) {	×
59	Throwables.propagateIfPossible(e);	×
60	}	×
61	}	×
62
63	public static <T> String obj2String(T src) {
64	if (src == null) {	2✔
65	return null;	×
66	}
67
68	try {
69	return src instanceof String ? (String)src : objectMapper.writeValueAsString(src);	2✔
70	}
71	catch (Exception e) {	×
72	logger.error("Parse Object to String error src=" + src, e);	×
73	return null;	×
74	}
75	}
76
77	public static <T> byte[] obj2Byte(T src) {
78	if (src == null) {	×
79	return null;	×
80	}
81
82	try {
83	return src instanceof byte[] ? (byte[])src : objectMapper.writeValueAsBytes(src);	×
84	}
85	catch (Exception e) {	×
86	logger.error("Parse Object to byte[] error", e);	×
87	return null;	×
88	}
89	}
90
91	public static <T> T string2Obj(String str, Class<T> clazz) {
92	if (Strings.isNullOrEmpty(str) \|\| clazz == null) {	×
93	return null;	×
94	}
95	str = escapesSpecialChar(str);	×
96	try {
97	return clazz.equals(String.class) ? (T)str : objectMapper.readValue(str, clazz);	×
98	}
99	catch (Exception e) {	×
100	logger.error("Parse String to Object error\nString: {}\nClass<T>: {}\nError: {}", str, clazz.getName(), e);	×
101	return null;	×
102	}
103	}
104
105	public static <T> T byte2Obj(byte[] bytes, Class<T> clazz) {
106	if (bytes == null \|\| clazz == null) {	×
107	return null;	×
108	}
109	try {
110	return clazz.equals(byte[].class) ? (T)bytes : objectMapper.readValue(bytes, clazz);	×
111	}
112	catch (Exception e) {	×
113	logger.error("Parse byte[] to Object error\nbyte[]: {}\nClass<T>: {}\nError: {}", bytes, clazz.getName(), e);	×
114	return null;	×
115	}
116	}
117
118	public static <T> T string2Obj(String str, TypeReference<T> typeReference) {
119	if (Strings.isNullOrEmpty(str) \|\| typeReference == null) {	2✔
120	return null;	×
121	}
122	str = escapesSpecialChar(str);	2✔
123	try {
124	return (T)(typeReference.getType().equals(String.class) ? str : objectMapper.readValue(str, typeReference));	2✔
125	}
126	catch (Exception e) {	×
127	logger.error("Parse String to Object error\nString: {}\nTypeReference<T>: {}\nError: {}", str,	×
128	typeReference.getType(), e);	×
129	return null;	×
130	}
131	}
132
133	public static <T> T byte2Obj(byte[] bytes, TypeReference<T> typeReference) {
134	if (bytes == null \|\| typeReference == null) {	×
135	return null;	×
136	}
137	try {
138	return (T)(typeReference.getType().equals(byte[].class) ? bytes : objectMapper.readValue(bytes,	×
139	typeReference));
140	}
141	catch (Exception e) {	×
142	logger.error("Parse byte[] to Object error\nbyte[]: {}\nTypeReference<T>: {}\nError: {}", bytes,	×
143	typeReference.getType(), e);	×
144	return null;	×
145	}
146	}
147
148	public static <T> T map2Obj(Map<String, String> map, Class<T> clazz) {
149	String str = obj2String(map);	×
150	return string2Obj(str, clazz);	×
151	}
152
153	private static String escapesSpecialChar(String str) {
154	return str.replace("\n", "\\n").replace("\r", "\\r");	2✔
155	}
156	}

apache / rocketmq-dashboard / 200

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