| 1 | package be.nikiroo.utils.serial; |
| 2 | |
| 3 | import java.io.NotSerializableException; |
| 4 | import java.util.HashMap; |
| 5 | import java.util.Map; |
| 6 | |
| 7 | import be.nikiroo.utils.StringUtils; |
| 8 | |
| 9 | /** |
| 10 | * A simple class to serialise objects to {@link String}. |
| 11 | * <p> |
| 12 | * This class does not support inner classes (it does support nested classes, |
| 13 | * though). |
| 14 | * |
| 15 | * @author niki |
| 16 | */ |
| 17 | public class Exporter { |
| 18 | private Map<Integer, Object> map; |
| 19 | private StringBuilder builder; |
| 20 | |
| 21 | public Exporter() { |
| 22 | map = new HashMap<Integer, Object>(); |
| 23 | builder = new StringBuilder(); |
| 24 | } |
| 25 | |
| 26 | public Exporter append(Object o) throws NotSerializableException { |
| 27 | SerialUtils.append(builder, o, map); |
| 28 | return this; |
| 29 | } |
| 30 | |
| 31 | public void clear() { |
| 32 | builder.setLength(0); |
| 33 | map.clear(); |
| 34 | } |
| 35 | |
| 36 | // null = auto |
| 37 | public String toString(Boolean zip) { |
| 38 | if (zip == null) { |
| 39 | zip = builder.length() > 128; |
| 40 | } |
| 41 | |
| 42 | if (zip) { |
| 43 | return "ZIP:" + StringUtils.zip64(builder.toString()); |
| 44 | } else { |
| 45 | return builder.toString(); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * The exported items in a serialised form. |
| 51 | * |
| 52 | * @return the items currently in this {@link Exporter}. |
| 53 | */ |
| 54 | @Override |
| 55 | public String toString() { |
| 56 | return toString(null); |
| 57 | } |
| 58 | } |