-package be.nikiroo.utils.serial;
-
-public abstract class CustomSerializer {
-
- protected abstract String toString(Object value);
-
- protected abstract Object fromString(String content);
-
- protected abstract String getType();
-
- /**
- * Encode the object into the given builder if possible (if supported).
- *
- * @param builder
- * the builder to append to
- * @param value
- * the object to encode
- * @return TRUE if success, FALSE if not (the content of the builder won't
- * be changed in case of failure)
- */
- public boolean encode(StringBuilder builder, Object value) {
- int prev = builder.length();
- String customString = toString(value);
- builder.append("custom:").append(getType()).append(":");
- if (!SerialUtils.encode(builder, customString)) {
- builder.delete(prev, builder.length());
- return false;
- }
-
- return true;
- }
-
- public Object decode(String encodedValue) {
- return fromString((String) SerialUtils.decode(contentOf(encodedValue)));
- }
-
- public static boolean isCustom(String encodedValue) {
- int pos1 = encodedValue.indexOf(':');
- int pos2 = encodedValue.indexOf(':', pos1 + 1);
-
- return pos1 >= 0 && pos2 >= 0 && encodedValue.startsWith("custom:");
- }
-
- public static String typeOf(String encodedValue) {
- int pos1 = encodedValue.indexOf(':');
- int pos2 = encodedValue.indexOf(':', pos1 + 1);
- String type = encodedValue.substring(pos1 + 1, pos2);
-
- return type;
- }
-
- public static String contentOf(String encodedValue) {
- int pos1 = encodedValue.indexOf(':');
- int pos2 = encodedValue.indexOf(':', pos1 + 1);
- String encodedContent = encodedValue.substring(pos2 + 1);
-
- return encodedContent;
- }
-}