I have java class which contains simple String
fields and some of this fields can contain non-ascii symbols and wath that during serialization in JSON this symbols will be converted in \u0000
. I know that I can do it by Jackson, but it can't be used by internal reason.
As ex. Java class
public class SomeClass {
String filed1;
// getter/setter
}
Converted code:
public String convert(SomeClass someClass) {
new JSONSerializer().include( "*" ).serialize(someClass);
}
As result should be JSON:
{fild1:'\u041F\u0440\u0438\u0432\u0435\u0442'}
Instead of
{fild1:'Пример'}
Okey, I have found solution. Possible it will be helpfull for someone.
JSONSerializer serializer = new JSONSerializer().transform( new AbstractTransformer() {
@Override
public void transform(Object object) {
String value = object.toString();
int len = value.length();
StringBuilder stringBuilder = new StringBuilder("\"");
for (int i = 0; i < len; i++) {
char c = value.charAt( i );
if (c == '"') {
stringBuilder.append( "\\u0022" );
} else if (c == '&') {
stringBuilder.append( "\\u0026" );
} else if (c == '\'') {
stringBuilder.append( "\\u0027" );
} else if (c == '\\') {
stringBuilder.append( "\\\\" );
} else if (c == '\b') {
stringBuilder.append( "\\b" );
} else if (c == '\f') {
stringBuilder.append( "\\f" );
} else if (c == '\n') {
stringBuilder.append( "\\n" );
} else if (c == '\r') {
stringBuilder.append( "\\r" );
} else if (c == '\t') {
stringBuilder.append( "\\t" );
} else if (c > 127) {
stringBuilder.append( "\\u" );
int n = c;
for (int j = 0; j < 4; ++j) {
int digit = (n & 0xf000) >> 12;
stringBuilder.append( String.valueOf( JSONSerializer.HEX[digit] ) );
n <<= 4;
}
} else {
stringBuilder.append( c );
}
}
stringBuilder.append( "\"" );
getContext().write( stringBuilder.toString() );
}
}, String.class );