/**
* Produce a JsonObject by combining a JsonArray of names with the values of this JsonArray.
*
* @param names A JsonArray containing a list of key strings. These will be paired with the
* values.
* @return A JsonObject, or null if there are no names or if this JsonArray has no values.
* @throws JsonException If any of the names are null.
*/
public JsonObject toJsonObject(JsonArray names) {
if (names == null || names.length() == 0 || length() == 0) {
return null;
}
JsonObject jo = new JsonObject();
for (int i = 0; i < names.length(); i += 1) {
jo.put(names.getString(i), this.opt(i));
}
return jo;
}
public void testDecode() throws Exception {
JsonObject jso = new JsonObject();
jso.put("map", MapUtil.chainKeyMap().put("name", "bleujin").put("age", 20).toMap());
jso.put("list", ListUtil.toList("red", "blue"));
jso.put("array", new String[] {"red", "blue"});
jso.put("string", "{name:1}");
jso.put("int", 3);
assertEquals(true, jso.get("map").isJsonObject());
assertEquals(true, jso.get("list").isJsonArray());
assertEquals(true, jso.get("array").isJsonArray());
assertEquals(true, jso.get("string").isJsonPrimitive());
assertEquals(true, jso.get("int").isJsonPrimitive());
assertEquals("bleujin", jso.asJsonObject("map").asString("name"));
assertEquals(20, jso.asJsonObject("map").asInt("age"));
assertEquals("red", jso.asJsonArray("list").asString(0));
assertEquals("red", jso.asJsonArray("array").asString(0));
assertEquals("{name:1}", jso.asString("string"));
assertEquals(3, jso.asInt("int"));
}
private Token advanceToken() throws JsonParserException {
int c = advanceChar();
while (isWhitespace(c)) {
c = advanceChar();
}
tokenLinePos = linePos;
tokenCharPos = index - rowPos - utf8adjust;
tokenCharOffset = charOffset + index;
switch (c) {
case -1:
return token = Token.EOF;
case '[':
JsonArray list = new JsonArray();
if (advanceToken() != Token.ARRAY_END)
while (true) {
list.add(currentValue());
if (advanceToken() == Token.ARRAY_END) break;
if (token != Token.COMMA)
throw createParseException(
null, "Expected a comma or end of the array instead of " + token, true);
if (advanceToken() == Token.ARRAY_END)
throw createParseException(null, "Trailing comma found in array", true);
}
value = list;
return token = Token.ARRAY_START;
case ']':
return token = Token.ARRAY_END;
case ',':
return token = Token.COMMA;
case ':':
return token = Token.COLON;
case '{':
JsonObject map = new JsonObject();
if (advanceToken() != Token.OBJECT_END)
while (true) {
if (token != Token.STRING) {
throw createParseException(null, "Expected STRING, got " + token, true);
}
String key = (String) value;
if (advanceToken() != Token.COLON) {
throw createParseException(null, "Expected COLON, got " + token, true);
}
advanceToken();
map.put(key, currentValue());
if (advanceToken() == Token.OBJECT_END) {
break;
}
if (token != Token.COMMA) {
throw createParseException(
null, "Expected a comma or end of the object instead of " + token, true);
}
if (advanceToken() == Token.OBJECT_END) {
throw createParseException(null, "Trailing object found in array", true);
}
}
value = map;
return token = Token.OBJECT_START;
case '}':
return token = Token.OBJECT_END;
case 't':
consumeKeyword((char) c, TRUE);
value = Boolean.TRUE;
return token = Token.TRUE;
case 'f':
consumeKeyword((char) c, FALSE);
value = Boolean.FALSE;
return token = Token.FALSE;
case 'n':
consumeKeyword((char) c, NULL);
value = null;
return token = Token.NULL;
case '\"':
value = consumeTokenString();
return token = Token.STRING;
case '-':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
value = consumeTokenNumber((char) c);
return token = Token.NUMBER;
case '+':
case '.':
throw createParseException(null, "Numbers may not start with '" + (char) c + "'", true);
default:
}
if (isAsciiLetter(c)) {
throw createHelpfulException((char) c, null, 0);
}
throw createParseException(null, "Unexpected character: " + (char) c, true);
}
