-
Notifications
You must be signed in to change notification settings - Fork 1.3k
Expand file tree
/
Copy pathApiGsonHelper.java
More file actions
155 lines (133 loc) · 6.24 KB
/
ApiGsonHelper.java
File metadata and controls
155 lines (133 loc) · 6.24 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
// 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 com.cloud.api;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import org.apache.log4j.Logger;
import com.google.gson.GsonBuilder;
import org.apache.cloudstack.api.ResponseObject;
import org.apache.cloudstack.utils.GsonUtils;
import com.cloud.serializer.Param;
import com.cloud.utils.DateUtil;
import com.cloud.utils.Pair;
public class ApiGsonHelper {
private static final Logger s_logger = Logger.getLogger(ApiGsonHelper.class);
private static final GsonBuilder s_gBuilder;
static {
s_gBuilder = new GsonBuilder().setDateFormat("yyyy-MM-dd'T'HH:mm:ssZ");
s_gBuilder.setVersion(1.3);
s_gBuilder.registerTypeAdapter(ResponseObject.class, new ResponseObjectTypeAdapter());
s_gBuilder.registerTypeAdapter(Map.class, new GsonUtils.StringMapTypeAdapter());
}
public static GsonBuilder getBuilder() {
return s_gBuilder;
}
public static List<Pair<String, Object>> toPairList(Object o, String name) {
List<Pair<String, Object>> l = new ArrayList<Pair<String, Object>>();
return appendPairList(l, o, name);
}
public static List<Pair<String, Object>> appendPairList(List<Pair<String, Object>> l, Object o, String name) {
if (o != null) {
Class<?> clz = o.getClass();
if (clz.isPrimitive() || clz.getSuperclass() == Number.class || clz == String.class || clz == Date.class) {
l.add(new Pair<String, Object>(name, o.toString()));
return l;
}
for (Field f : clz.getDeclaredFields()) {
if ((f.getModifiers() & Modifier.STATIC) != 0) {
continue;
}
Param param = f.getAnnotation(Param.class);
if (param == null) {
continue;
}
String propName = f.getName();
if (!param.propName().isEmpty()) {
propName = param.propName();
}
String paramName = param.name();
if (paramName.isEmpty()) {
paramName = propName;
}
Method method = getGetMethod(o, propName);
if (method != null) {
try {
Object fieldValue = method.invoke(o);
if (fieldValue != null) {
if (f.getType() == Date.class) {
l.add(new Pair<String, Object>(paramName, DateUtil.getOutputString((Date)fieldValue)));
} else {
l.add(new Pair<String, Object>(paramName, fieldValue.toString()));
}
}
//else
// l.add(new Pair<String, Object>(paramName, ""));
} catch (IllegalArgumentException e) {
s_logger.error("Illegal argument exception when calling POJO " + o.getClass().getName() + " get method for property: " + propName);
} catch (IllegalAccessException e) {
s_logger.error("Illegal access exception when calling POJO " + o.getClass().getName() + " get method for property: " + propName);
} catch (InvocationTargetException e) {
s_logger.error("Invocation target exception when calling POJO " + o.getClass().getName() + " get method for property: " + propName);
}
}
}
}
return l;
}
private static Method getGetMethod(Object o, String propName) {
Method method = null;
String methodName = getGetMethodName("get", propName);
try {
method = o.getClass().getMethod(methodName);
} catch (SecurityException e1) {
s_logger.error("Security exception in getting POJO " + o.getClass().getName() + " get method for property: " + propName);
} catch (NoSuchMethodException e1) {
if (s_logger.isTraceEnabled()) {
s_logger.trace("POJO " + o.getClass().getName() + " does not have " + methodName + "() method for property: " + propName
+ ", will check is-prefixed method to see if it is boolean property");
}
}
if (method != null) {
return method;
}
methodName = getGetMethodName("is", propName);
try {
method = o.getClass().getMethod(methodName);
} catch (SecurityException e1) {
s_logger.error("Security exception in getting POJO " + o.getClass().getName() + " get method for property: " + propName);
} catch (NoSuchMethodException e1) {
s_logger.warn("POJO " + o.getClass().getName() + " does not have " + methodName + "() method for property: " + propName);
}
return method;
}
private static String getGetMethodName(String prefix, String fieldName) {
StringBuffer sb = new StringBuffer(prefix);
if (fieldName.length() >= prefix.length() && fieldName.substring(0, prefix.length()).equals(prefix)) {
return fieldName;
} else {
sb.append(fieldName.substring(0, 1).toUpperCase());
sb.append(fieldName.substring(1));
}
return sb.toString();
}
}