java/src/main/java/com/jsoniter/Any.java at master · akan/java · GitHub

History

243 lines (217 loc) · 7.07 KB

Raw

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

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

package com.jsoniter;

import java.lang.reflect.Array;

import java.util.ArrayList;

import java.util.Collection;

import java.util.List;

import java.util.Map;

public class Any {

private final Object val;

public Object lastAccessed;

public Any(Object val) {

this.val = val;

}

public ValueType getValueType(Object... keys) {

try {

lastAccessed = getPath(val, keys);

if (lastAccessed == null) {

return ValueType.NULL;

}

Class<?> clazz = lastAccessed.getClass();

if (clazz == String.class) {

return ValueType.STRING;

}

if (clazz.isArray()) {

return ValueType.ARRAY;

}

if (lastAccessed instanceof Number) {

return ValueType.NUMBER;

}

if (lastAccessed instanceof List) {

return ValueType.ARRAY;

}

return ValueType.OBJECT;

} catch (ClassCastException e) {

return ValueType.INVALID;

} catch (IndexOutOfBoundsException e) {

return ValueType.INVALID;

}

public Map<String, Object> getMap(Object... keys) {

return get(keys);

}

public List<Object> getList(Object... keys) {

return get(keys);

}

public <T> T get(Object... keys) {

try {

return (T) (lastAccessed = getPath(val, keys));

} catch (ClassCastException e) {

return null;

} catch (IndexOutOfBoundsException e) {

return null;

}

public boolean exists(Object... keys) {

try {

lastAccessed = getPath(val, keys);

return true;

} catch (ClassCastException e) {

return false;

} catch (IndexOutOfBoundsException e) {

return false;

}

public String toString() {

return toString(new Object[0]);

}

public String toString(Object... keys) {

get(keys);

if (lastAccessed == null) {

return "null";

}

return lastAccessed.toString();

}

@Override

public boolean equals(Object o) {

if (this == o) return true;

if (o == null || getClass() != o.getClass()) return false;

Any any = (Any) o;

return val != null ? val.equals(any.val) : any.val == null;

}

@Override

public int hashCode() {

return val != null ? val.hashCode() : 0;

}

public int toInt(Object... keys) {

get(keys);

if (lastAccessed == null) {

return 0;

}

if (lastAccessed.getClass() == String.class) {

return Integer.valueOf((String) lastAccessed);

}

Number number = (Number) lastAccessed;

return number.intValue();

}

public short toShort(Object... keys) {

get(keys);

if (lastAccessed == null) {

return 0;

}

if (lastAccessed.getClass() == String.class) {

return Short.valueOf((String) lastAccessed);

}

Number number = (Number) lastAccessed;

return number.shortValue();

}

public long toLong(Object... keys) {

get(keys);

if (lastAccessed == null) {

return 0;

}

if (lastAccessed.getClass() == String.class) {

return Long.valueOf((String) lastAccessed);

}

Number number = (Number) lastAccessed;

return number.longValue();

}

public float toFloat(Object... keys) {

get(keys);

if (lastAccessed == null) {

return 0;

}

if (lastAccessed.getClass() == String.class) {

return Float.valueOf((String) lastAccessed);

}

Number number = (Number) lastAccessed;

return number.floatValue();

}

public double toDouble(Object... keys) {

get(keys);

if (lastAccessed == null) {

return 0;

}

if (lastAccessed.getClass() == String.class) {

return Double.valueOf((String) lastAccessed);

}

Number number = (Number) lastAccessed;

return number.doubleValue();

}

public boolean toBoolean(Object... keys) {

get(keys);

if (lastAccessed == null) {

return false;

}

if (lastAccessed instanceof Number) {

Number number = (Number) lastAccessed;

return number.intValue() != 0;

}

if (lastAccessed.getClass().isArray()) {

return Array.getLength(lastAccessed) != 0;

}

if (lastAccessed instanceof Collection) {

Collection col = (Collection) lastAccessed;

return col.size() != 0;

}

if (lastAccessed instanceof Map) {

Map map = (Map) lastAccessed;

return map.size() != 0;

}

return true;

}

private static Object getPath(Object val, Object... keys) {

if (keys.length == 0) {

return val;

}

Object key = keys[0];

if ("*".equals(key)) {

if (val.getClass().isArray()) {

ArrayList result = new ArrayList(Array.getLength(val));

for (int i = 0; i < Array.getLength(val); i++) {

Object nextVal = Array.get(val, i);

Object[] nextKeys = new Object[keys.length - 1];

System.arraycopy(keys, 1, nextKeys, 0, nextKeys.length);

result.add(getPath(nextVal, nextKeys));

}

return result;

} else {

List list = (List) val;

ArrayList result = new ArrayList(list.size());

for (Object e : list) {

Object nextVal = e;

Object[] nextKeys = new Object[keys.length - 1];

System.arraycopy(keys, 1, nextKeys, 0, nextKeys.length);

result.add(getPath(nextVal, nextKeys));

}

return result;

}

if (key instanceof Integer) {

Object nextVal = getFromArrayOrList(val, (Integer) key);

Object[] nextKeys = new Object[keys.length - 1];

System.arraycopy(keys, 1, nextKeys, 0, nextKeys.length);

return getPath(nextVal, nextKeys);

}

if (key instanceof String) {

Object nextVal = getFromMap(val, (String) key);

Object[] nextKeys = new Object[keys.length - 1];

System.arraycopy(keys, 1, nextKeys, 0, nextKeys.length);

return getPath(nextVal, nextKeys);

}

throw new RuntimeException("invalid key type: " + key);

}

private static Object getFromMap(Object val, String key) {

Map map = (Map) val;

if (!map.containsKey(key)) {

throw new IndexOutOfBoundsException(key + " not in " + map);

}

return map.get(key);

}

private static Object getFromArrayOrList(Object val, Integer key) {

if (val.getClass().isArray()) {

return Array.get(val, key);

}

List list = (List) val;

return list.get(key);

}

java/src/main/java/com/jsoniter/Any.java at master · akan/java · GitHub

Expand file tree

Breadcrumbs

Any.java

Latest commit

History

Breadcrumbs

Any.java

File metadata and controls