Examples with TargetRule org.osgi.util.converter.TargetRule used on opensource projects

Example 1 with TargetRule

use of org.osgi.util.converter.TargetRule in project felix by apache.

the class TypeConverter method getConverter.

public static Converter getConverter() {
    return Converters.standardConverter().newConverterBuilder().rule(new TargetRule() {

        @Override
        public Type getTargetType() {
            return String.class;
        }

        @Override
        public ConverterFunction getFunction() {
            return new ConverterFunction() {

                @Override
                public Object apply(final Object obj, final Type targetType) throws Exception {
                    if (obj instanceof Map || obj instanceof List) {
                        final JsonStructure json = JSONUtil.build(obj);
                        final StringWriter w = new StringWriter();
                        Json.createWriter(w).write(json);
                        return w.toString();
                    }
                    return CANNOT_HANDLE;
                }
            };
        }
    }).build();
}