import java.io.InputStream;
import java.io.OutputStream;
+import be.nikiroo.utils.IOUtils;
+import be.nikiroo.utils.NextableInputStream;
+import be.nikiroo.utils.NextableInputStreamStep;
+
public abstract class CustomSerializer {
protected abstract void toStream(OutputStream out, Object value)
* in case of I/O error
*/
public boolean encode(OutputStream out, Object value) throws IOException {
- if (!isSupported(value)) {
- return false;
- }
-
SerialUtils.write(out, "custom^");
SerialUtils.write(out, getType());
SerialUtils.write(out, "^");
+ // TODO: manage ENTER
toStream(out, value);
return true;
}
- public Object decode(String encodedValue) throws IOException {
- return fromString((String) SerialUtils.decode(contentOf(encodedValue)));
+ public Object decode(InputStream in) throws IOException {
+ // TODO: manage ENTER
+ NextableInputStream stream = new NextableInputStream(in,
+ new NextableInputStreamStep('^'));
+
+ try {
+ if (!stream.next()) {
+ throw new IOException("Cannot find the first custom^ element");
+ }
+
+ String custom = IOUtils.readSmallStream(stream);
+ if (!"custom".equals(custom)) {
+ throw new IOException(
+ "Cannot find the first custom^ element, it is: "
+ + custom + "^");
+ }
+
+ if (!stream.next()) {
+ throw new IOException("Cannot find the second custom^"
+ + getType() + " element");
+ }
+
+ String type = IOUtils.readSmallStream(stream);
+ if (!getType().equals(type)) {
+ throw new IOException("Cannot find the second custom^"
+ + getType() + " element, it is: custom^" + type + "^");
+ }
+
+ if (!stream.nextAll()) {
+ throw new IOException("Cannot find the third custom^"
+ + getType() + "^value element");
+ }
+
+ // TODO: manage ENTER
+ return fromStream(stream);
+ } finally {
+ stream.close(false);
+ }
}
public static boolean isCustom(String encodedValue) {