| 1 |
/*
|
1 |
/*
|
| 2 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
|
2 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
|
| 3 |
*
|
3 |
*
|
| 4 |
* Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.
|
4 |
* Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.
|
| 5 |
*
|
5 |
*
|
| 6 |
* The contents of this file are subject to the terms of the GNU General Public License Version 3
|
6 |
* The contents of this file are subject to the terms of the GNU General Public License Version 3
|
| 7 |
* only ("GPL"). You may not use this file except in compliance with the License. You can obtain a
|
7 |
* only ("GPL"). You may not use this file except in compliance with the License. You can obtain a
|
| 8 |
* copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific
|
8 |
* copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific
|
| 9 |
* language governing permissions and limitations under the License.
|
9 |
* language governing permissions and limitations under the License.
|
| 10 |
*
|
10 |
*
|
| 11 |
* When distributing the software, include this License Header Notice in each file.
|
11 |
* When distributing the software, include this License Header Notice in each file.
|
| 12 |
*/
|
12 |
*/
|
| 13 |
|
13 |
|
| 14 |
package org.openconcerto.utils.io;
|
14 |
package org.openconcerto.utils.io;
|
| 15 |
|
15 |
|
| 16 |
import org.openconcerto.utils.NumberUtils;
|
16 |
import org.openconcerto.utils.NumberUtils;
|
| 17 |
import org.openconcerto.utils.XMLDateFormat;
|
17 |
import org.openconcerto.utils.XMLDateFormat;
|
| 18 |
|
18 |
|
| 19 |
import java.awt.Color;
|
19 |
import java.awt.Color;
|
| 20 |
import java.math.BigDecimal;
|
20 |
import java.math.BigDecimal;
|
| 21 |
import java.math.BigInteger;
|
21 |
import java.math.BigInteger;
|
| 22 |
import java.text.Format;
|
22 |
import java.text.Format;
|
| 23 |
import java.util.Calendar;
|
23 |
import java.util.Calendar;
|
| 24 |
import java.util.Date;
|
24 |
import java.util.Date;
|
| 25 |
|
25 |
|
| 26 |
import com.google.gson.Gson;
|
26 |
import com.google.gson.Gson;
|
| 27 |
import com.google.gson.JsonElement;
|
27 |
import com.google.gson.JsonElement;
|
| 28 |
import com.google.gson.reflect.TypeToken;
|
28 |
import com.google.gson.reflect.TypeToken;
|
| 29 |
|
29 |
|
| 30 |
import net.minidev.json.JSONArray;
|
30 |
import net.minidev.json.JSONArray;
|
| 31 |
import net.minidev.json.JSONObject;
|
31 |
import net.minidev.json.JSONObject;
|
| 32 |
import net.minidev.json.parser.JSONParser;
|
32 |
import net.minidev.json.parser.JSONParser;
|
| 33 |
import net.minidev.json.parser.ParseException;
|
33 |
import net.minidev.json.parser.ParseException;
|
| 34 |
|
34 |
|
| 35 |
public class JSONConverter {
|
35 |
public class JSONConverter {
|
| 36 |
|
36 |
|
| 37 |
// type-safe methods
|
37 |
// type-safe methods
|
| 38 |
|
38 |
|
| 39 |
public static final <T> T fromJson(final Gson gson, String json, TypeToken<T> typeOfT) {
|
39 |
public static final <T> T fromJson(final Gson gson, String json, TypeToken<T> typeOfT) {
|
| 40 |
return gson.fromJson(json, typeOfT.getType());
|
40 |
return gson.fromJson(json, typeOfT.getType());
|
| 41 |
}
|
41 |
}
|
| 42 |
|
42 |
|
| 43 |
public static final <T> T fromJson(final Gson gson, JsonElement json, TypeToken<T> typeOfT) {
|
43 |
public static final <T> T fromJson(final Gson gson, JsonElement json, TypeToken<T> typeOfT) {
|
| 44 |
return gson.fromJson(json, typeOfT.getType());
|
44 |
return gson.fromJson(json, typeOfT.getType());
|
| 45 |
}
|
45 |
}
|
| 46 |
|
46 |
|
| 47 |
// ** net.minidev.json
|
47 |
// ** net.minidev.json
|
| 48 |
|
48 |
|
| 49 |
static private final Format DF = new XMLDateFormat();
|
49 |
static private final Format DF = new XMLDateFormat();
|
| 50 |
|
50 |
|
| 51 |
static synchronized private final String format(final Date d) {
|
51 |
static synchronized private final String format(final Date d) {
|
| 52 |
return DF.format(d);
|
52 |
return DF.format(d);
|
| 53 |
}
|
53 |
}
|
| 54 |
|
54 |
|
| 55 |
public synchronized static String formatCalendar(final Calendar calendar) {
|
55 |
public synchronized static String formatCalendar(final Calendar calendar) {
|
| 56 |
return DF.format(calendar);
|
56 |
return DF.format(calendar);
|
| 57 |
}
|
57 |
}
|
| 58 |
|
58 |
|
| 59 |
static synchronized private final Date parse(final String s) throws java.text.ParseException {
|
59 |
static synchronized private final Date parse(final String s) throws java.text.ParseException {
|
| 60 |
return (Date) DF.parseObject(s);
|
60 |
return (Date) DF.parseObject(s);
|
| 61 |
}
|
61 |
}
|
| 62 |
|
62 |
|
| 63 |
public static Object getJSON(Object param) {
|
63 |
public static Object getJSON(Object param) {
|
| 64 |
Object result = null;
|
64 |
Object result = null;
|
| 65 |
|
65 |
|
| 66 |
if (param != null) {
|
66 |
if (param != null) {
|
| 67 |
if (param instanceof HTMLable) {
|
67 |
if (param instanceof HTMLable) {
|
| 68 |
result = ((HTMLable) param).getHTML();
|
68 |
result = ((HTMLable) param).getHTML();
|
| 69 |
} else if (param instanceof JSONAble) {
|
69 |
} else if (param instanceof JSONAble) {
|
| 70 |
result = ((JSONAble) param).toJSON();
|
70 |
result = ((JSONAble) param).toJSON();
|
| 71 |
} else if (param instanceof Date) {
|
71 |
} else if (param instanceof Date) {
|
| 72 |
result = format((Date) param);
|
72 |
result = format((Date) param);
|
| 73 |
} else if (param instanceof Calendar) {
|
73 |
} else if (param instanceof Calendar) {
|
| 74 |
result = formatCalendar(((Calendar) param));
|
74 |
result = formatCalendar(((Calendar) param));
|
| 75 |
} else if (param instanceof Class<?>) {
|
75 |
} else if (param instanceof Class<?>) {
|
| 76 |
result = ((Class<?>) param).getName();
|
76 |
result = ((Class<?>) param).getName();
|
| 77 |
} else if (param instanceof Iterable) {
|
77 |
} else if (param instanceof Iterable) {
|
| 78 |
final Iterable<?> tmp = (Iterable<?>) param;
|
78 |
final Iterable<?> tmp = (Iterable<?>) param;
|
| 79 |
final JSONArray jsonArray = new JSONArray();
|
79 |
final JSONArray jsonArray = new JSONArray();
|
| 80 |
for (Object o : tmp) {
|
80 |
for (Object o : tmp) {
|
| 81 |
jsonArray.add(getJSON(o));
|
81 |
jsonArray.add(getJSON(o));
|
| 82 |
}
|
82 |
}
|
| 83 |
result = jsonArray;
|
83 |
result = jsonArray;
|
| 84 |
} else if (param instanceof Color) {
|
84 |
} else if (param instanceof Color) {
|
| 85 |
if (param != null) {
|
85 |
if (param != null) {
|
| 86 |
final Color paramColor = (Color) param;
|
86 |
final Color paramColor = (Color) param;
|
| 87 |
final JSONObject jsonColor = new JSONObject();
|
87 |
final JSONObject jsonColor = new JSONObject();
|
| 88 |
jsonColor.put("r", paramColor.getRed());
|
88 |
jsonColor.put("r", paramColor.getRed());
|
| 89 |
jsonColor.put("g", paramColor.getGreen());
|
89 |
jsonColor.put("g", paramColor.getGreen());
|
| 90 |
jsonColor.put("b", paramColor.getBlue());
|
90 |
jsonColor.put("b", paramColor.getBlue());
|
| 91 |
result = jsonColor;
|
91 |
result = jsonColor;
|
| 92 |
}
|
92 |
}
|
| 93 |
} else if (param instanceof BigDecimal) {
|
93 |
} else if (param instanceof BigDecimal) {
|
| 94 |
result = ((BigDecimal) param).doubleValue();
|
94 |
result = ((BigDecimal) param).doubleValue();
|
| 95 |
} else {
|
95 |
} else {
|
| 96 |
result = param;
|
96 |
result = param;
|
| 97 |
}
|
97 |
}
|
| 98 |
}
|
98 |
}
|
| 99 |
|
99 |
|
| 100 |
return result;
|
100 |
return result;
|
| 101 |
}
|
101 |
}
|
| 102 |
|
102 |
|
| 103 |
public static <T> T getObjectFromJSON(final Object o, final Class<T> type) {
|
103 |
public static <T> T getObjectFromJSON(final Object o, final Class<T> type) {
|
| 104 |
final T result;
|
104 |
final T result;
|
| 105 |
if (o != null && !o.equals("null")) {
|
105 |
if (o != null && !o.equals("null")) {
|
| 106 |
if (type.isInstance(o)) {
|
106 |
if (type.isInstance(o)) {
|
| 107 |
result = type.cast(o);
|
107 |
result = type.cast(o);
|
| 108 |
} else if (type.equals(Integer.class)) {
|
108 |
} else if (type.equals(Integer.class)) {
|
| 109 |
final int intVal;
|
109 |
final int intVal;
|
| 110 |
if (o instanceof BigDecimal) {
|
110 |
if (o instanceof BigDecimal) {
|
| 111 |
intVal = ((BigDecimal) o).intValueExact();
|
111 |
intVal = ((BigDecimal) o).intValueExact();
|
| 112 |
} else if (o instanceof BigInteger) {
|
112 |
} else if (o instanceof BigInteger) {
|
| 113 |
// TODO use intValueExact() in Java 8
|
113 |
// TODO use intValueExact() in Java 8
|
| 114 |
final BigInteger bigInt = (BigInteger) o;
|
114 |
final BigInteger bigInt = (BigInteger) o;
|
| 115 |
if (bigInt.compareTo(BigInteger.valueOf(Integer.MIN_VALUE)) < 0 || bigInt.compareTo(BigInteger.valueOf(Integer.MAX_VALUE)) > 0)
|
115 |
if (bigInt.compareTo(BigInteger.valueOf(Integer.MIN_VALUE)) < 0 || bigInt.compareTo(BigInteger.valueOf(Integer.MAX_VALUE)) > 0)
|
| 116 |
throw new IllegalArgumentException("object (" + o.getClass().getName() + ") is not assignable for '" + type + "'");
|
116 |
throw new IllegalArgumentException("object (" + o.getClass().getName() + ") is not assignable for '" + type + "'");
|
| 117 |
intVal = bigInt.intValue();
|
117 |
intVal = bigInt.intValue();
|
| 118 |
} else {
|
118 |
} else {
|
| 119 |
try {
|
119 |
try {
|
| 120 |
intVal = NumberUtils.ensureInt((Long) o);
|
120 |
intVal = NumberUtils.ensureInt((Long) o);
|
| 121 |
} catch (ArithmeticException ex) {
|
121 |
} catch (ArithmeticException ex) {
|
| 122 |
throw new IllegalArgumentException("object (" + o.getClass().getName() + ") is not assignable for '" + type + "'", ex);
|
122 |
throw new IllegalArgumentException("object (" + o.getClass().getName() + ") is not assignable for '" + type + "'", ex);
|
| 123 |
}
|
123 |
}
|
| 124 |
}
|
124 |
}
|
| 125 |
result = type.cast(intVal);
|
125 |
result = type.cast(intVal);
|
| 126 |
} else if (type.equals(Date.class)) {
|
126 |
} else if (type.equals(Date.class)) {
|
| 127 |
final String sparam = (String) o;
|
127 |
final String sparam = (String) o;
|
| 128 |
try {
|
128 |
try {
|
| 129 |
final Date c = parse(sparam);
|
129 |
final Date c = parse(sparam);
|
| 130 |
result = type.cast(c);
|
130 |
result = type.cast(c);
|
| 131 |
} catch (java.text.ParseException e) {
|
131 |
} catch (java.text.ParseException e) {
|
| 132 |
throw new IllegalArgumentException("object (" + o.getClass().getName() + ") is not assignable for '" + type + "', the format is not valid", e);
|
132 |
throw new IllegalArgumentException("object (" + o.getClass().getName() + ") is not assignable for '" + type + "', the format is not valid", e);
|
| 133 |
}
|
133 |
}
|
| 134 |
} else if (type.equals(Color.class)) {
|
134 |
} else if (type.equals(Color.class)) {
|
| 135 |
final JSONObject jsonColor = (JSONObject) o;
|
135 |
final JSONObject jsonColor = (JSONObject) o;
|
| 136 |
final int r = JSONConverter.getParameterFromJSON(jsonColor, "r", Integer.class);
|
136 |
final int r = JSONConverter.getParameterFromJSON(jsonColor, "r", Integer.class);
|
| 137 |
final int g = JSONConverter.getParameterFromJSON(jsonColor, "g", Integer.class);
|
137 |
final int g = JSONConverter.getParameterFromJSON(jsonColor, "g", Integer.class);
|
| 138 |
final int b = JSONConverter.getParameterFromJSON(jsonColor, "b", Integer.class);
|
138 |
final int b = JSONConverter.getParameterFromJSON(jsonColor, "b", Integer.class);
|
| 139 |
result = type.cast(new Color(r, g, b));
|
139 |
result = type.cast(new Color(r, g, b));
|
| 140 |
} else {
|
140 |
} else {
|
| 141 |
result = type.cast(o);
|
141 |
result = type.cast(o);
|
| 142 |
}
|
142 |
}
|
| 143 |
} else {
|
143 |
} else {
|
| 144 |
result = null;
|
144 |
result = null;
|
| 145 |
}
|
145 |
}
|
| 146 |
|
146 |
|
| 147 |
return result;
|
147 |
return result;
|
| 148 |
}
|
148 |
}
|
| 149 |
|
149 |
|
| 150 |
public static <T> T getParameterFromJSON(final JSONObject json, final String key, final Class<T> type) {
|
150 |
public static <T> T getParameterFromJSON(final JSONObject json, final String key, final Class<T> type) {
|
| 151 |
return getParameterFromJSON(json, key, type, null);
|
151 |
return getParameterFromJSON(json, key, type, null);
|
| 152 |
}
|
152 |
}
|
| 153 |
|
153 |
|
| 154 |
public static <T> T getParameterFromJSON(final JSONObject json, final String key, final Class<T> type, T defaultValue) {
|
154 |
public static <T> T getParameterFromJSON(final JSONObject json, final String key, final Class<T> type, T defaultValue) {
|
| - |
|
155 |
if (json == null) {
|
| - |
|
156 |
throw new IllegalArgumentException("null JSON");
|
| - |
|
157 |
}
|
| - |
|
158 |
if (key == null) {
|
| - |
|
159 |
throw new IllegalArgumentException("null key");
|
| - |
|
160 |
}
|
| 155 |
return json.containsKey(key) ? getObjectFromJSON(json.get(key), type) : defaultValue;
|
161 |
return json.containsKey(key) ? getObjectFromJSON(json.get(key), type) : defaultValue;
|
| 156 |
}
|
162 |
}
|
| 157 |
|
163 |
|
| 158 |
public static JSONObject convertStringToJsonObject(final String jsonString) {
|
164 |
public static JSONObject convertStringToJsonObject(final String jsonString) {
|
| 159 |
final JSONParser parser = new JSONParser(JSONParser.USE_HI_PRECISION_FLOAT);
|
165 |
final JSONParser parser = new JSONParser(JSONParser.USE_HI_PRECISION_FLOAT);
|
| 160 |
final JSONObject json;
|
166 |
final JSONObject json;
|
| 161 |
try {
|
167 |
try {
|
| 162 |
json = (JSONObject) parser.parse(jsonString);
|
168 |
json = (JSONObject) parser.parse(jsonString);
|
| 163 |
} catch (final ParseException ex) {
|
169 |
} catch (final ParseException ex) {
|
| 164 |
throw new IllegalArgumentException(ex.getMessage(), ex);
|
170 |
throw new IllegalArgumentException(ex.getMessage(), ex);
|
| 165 |
}
|
171 |
}
|
| 166 |
return json;
|
172 |
return json;
|
| 167 |
}
|
173 |
}
|
| 168 |
|
174 |
|
| 169 |
public static JSONArray convertStringToJsonArray(final String jsonString) {
|
175 |
public static JSONArray convertStringToJsonArray(final String jsonString) {
|
| 170 |
final JSONParser parser = new JSONParser(JSONParser.USE_HI_PRECISION_FLOAT);
|
176 |
final JSONParser parser = new JSONParser(JSONParser.USE_HI_PRECISION_FLOAT);
|
| 171 |
final JSONArray json;
|
177 |
final JSONArray json;
|
| 172 |
try {
|
178 |
try {
|
| 173 |
json = (JSONArray) parser.parse(jsonString);
|
179 |
json = (JSONArray) parser.parse(jsonString);
|
| 174 |
} catch (final ParseException ex) {
|
180 |
} catch (final ParseException ex) {
|
| 175 |
throw new IllegalArgumentException(ex.getMessage(), ex);
|
181 |
throw new IllegalArgumentException(ex.getMessage(), ex);
|
| 176 |
}
|
182 |
}
|
| 177 |
return json;
|
183 |
return json;
|
| 178 |
}
|
184 |
}
|
| 179 |
}
|
185 |
}
|
