protected abstract String getType();
/**
- * Encode the object into the given {@link OutputStream} if possible (if
- * supported).
+ * Encode the object into the given {@link OutputStream} if supported.
*
* @param out
* 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)
+ * @return FALSE if the value is not supported, TRUE if the operation was
+ * successful (if the value is supported by the operation was not
+ * successful, you will get an {@link IOException})
*
* @throws IOException
* in case of I/O error
*/
public boolean encode(OutputStream out, Object value) throws IOException {
- InputStream customString = toStream(out, value);
+ if (!isSupported(value)) {
+ return false;
+ }
+
SerialUtils.write(out, "custom^");
SerialUtils.write(out, getType());
SerialUtils.write(out, "^");
- if (!SerialUtils.encode(out, customString)) {
- return false;
- }
+ toStream(out, value);
return true;
}
import java.io.IOException;
import java.io.NotSerializableException;
+import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
*/
public class Exporter {
private Map<Integer, Object> map;
- private StringBuilder builder;
+ private OutputStream out;
/**
* Create a new {@link Exporter}.
*/
- public Exporter() {
+ public Exporter(OutputStream out) {
+ if (out == null) {
+ throw new NullPointerException(
+ "Cannot create an be.nikiroo.utils.serials.Exporter that will export to NULL");
+ }
+
+ this.out = out;
map = new HashMap<Integer, Object>();
- builder = new StringBuilder();
}
/**
* if the object cannot be serialised (in this case, the
* {@link Exporter} can contain bad, most probably not
* importable data)
+ * @throws IOException
+ * in case of I/O error
*/
- public Exporter append(Object o) throws NotSerializableException {
- SerialUtils.append(builder, o, map);
+ public Exporter append(Object o) throws NotSerializableException,
+ IOException {
+ SerialUtils.append(out, o, map);
return this;
}
- /**
- * Clear the current content.
- */
- public void clear() {
- builder.setLength(0);
- map.clear();
- }
-
/**
* Append the exported items in a serialised form into the given
- * {@link StringBuilder}.
+ * {@link OutputStream}.
*
- * @param toBuilder
- * the {@link StringBuilder}
+ * @param out
+ * the {@link OutputStream}
* @param b64
* TRUE to have BASE64-coded content, FALSE to have raw content,
* NULL to let the system decide
* TRUE to zip the BASE64 output if the output is indeed in
* BASE64 format, FALSE not to
*/
- public void appendTo(StringBuilder toBuilder, Boolean b64, boolean zip) {
- if (b64 == null && builder.length() < 128) {
+ public void appendTo(OutputStream out, Boolean b64, boolean zip) {
+ if (b64 == null && out.length() < 128) {
b64 = false;
}
if (b64 == null || b64) {
try {
- String zipped = StringUtils.base64(builder.toString(), zip);
- if (b64 != null || zipped.length() < builder.length() - 4) {
- toBuilder.append(zip ? "ZIP:" : "B64:");
- toBuilder.append(zipped);
+ String zipped = StringUtils.base64(out.toString(), zip);
+ if (b64 != null || zipped.length() < out.length() - 4) {
+ SerialUtils.write(out, zip ? "ZIP:" : "B64:");
+ SerialUtils.write(out, zipped);
return;
}
} catch (IOException e) {
}
}
- toBuilder.append(builder);
- }
-
- /**
- * The exported items in a serialised form.
- *
- * @deprecated use {@link Exporter#toString(Boolean, boolean)} instead
- *
- * @param zip
- * TRUE to have zipped (and BASE64-coded) content, FALSE to have
- * raw content, NULL to let the system decide
- *
- * @return the items currently in this {@link Exporter}
- */
- @Deprecated
- public String toString(Boolean zip) {
- return toString(zip, zip == null || zip);
- }
-
- /**
- * The exported items in a serialised form.
- *
- * @param b64
- * TRUE to have BASE64-coded content, FALSE to have raw content,
- * NULL to let the system decide
- * @param zip
- * TRUE to zip the BASE64 output if the output is indeed in
- * BASE64 format, FALSE not to
- *
- * @return the items currently in this {@link Exporter}
- */
- public String toString(Boolean b64, boolean zip) {
- StringBuilder toBuilder = new StringBuilder();
- appendTo(toBuilder, b64, zip);
- return toBuilder.toString();
- }
-
- /**
- * The exported items in a serialised form (possibly BASE64-coded, possibly
- * zipped).
- *
- * @return the items currently in this {@link Exporter}
- */
- @Override
- public String toString() {
- return toString(null, true);
+ out.append(out);
}
}
\ No newline at end of file
// Array types:
customTypes.put("[]", new CustomSerializer() {
@Override
- protected String toString(Object value) {
+ protected void toStream(OutputStream out, Object value)
+ throws IOException {
String type = value.getClass().getCanonicalName();
type = type.substring(0, type.length() - 2); // remove the []
- StringBuilder builder = new StringBuilder();
- builder.append(type).append("\n");
+ write(out,type);
+ write(out,"\n");
try {
for (int i = 0; true; i++) {
Object item = Array.get(value, i);
// encode it normally if direct value
- if (!SerialUtils.encode(builder, item)) {
+ if (!SerialUtils.encode(out, item)) {
try {
- // use ZIP: if not
- new Exporter().append(item).appendTo(builder,
- true, false);
+ // TODO: use ZIP: if not?
+ new Exporter(out).append(item);
} catch (NotSerializableException e) {
throw new UnknownFormatConversionException(e
.getMessage());
}
}
- builder.append("\n");
+ write(out,"\n");
}
} catch (ArrayIndexOutOfBoundsException e) {
// Done.
}
-
- return builder.toString();
}
@Override
protected String getType() {
return "[]";
}
+
+ @Override
+ protected Object fromStream(InputStream in) throws IOException {
+ return null;
+ }
@Override
protected Object fromString(String content) throws IOException {
git://git.nikiroo.be / nikiroo-utils.git / commitdiff