/**
* On deserialization, replace this proxy by the static constant.
*
* @return The resolved key.
* @throws ObjectStreamException If the key has not been found. This exception should not occur is
* the key is deserialized using the same Geotk version than the one that serialized the key.
*/
protected Object readResolve() throws ObjectStreamException {
try {
return definer.getField(field).get(null);
} catch (ReflectiveOperationException cause) {
final InvalidClassException e =
new InvalidClassException(
definer.getName(), Errors.format(Errors.Keys.IllegalKey_1, this));
e.initCause(cause);
throw e;
}
}
private <O> O instantiate(ClassTypeModel<O> typeModel, Map<FieldModel<? super O, ?>, ?> state)
throws InvalidClassException {
try {
ObjectFactory<? super O> factory = context.getFactory(typeModel.getJavaType());
//
return factory.create(typeModel.getJavaType(), state);
} catch (Exception e) {
InvalidClassException ice =
new InvalidClassException(
"Cannot instantiate object from class " + typeModel.getJavaType().getName());
ice.initCause(e);
throw ice;
}
}
/**
* Creates a tile manager from the given file or directory.
*
* <p>
*
* <ul>
* <li>If the argument {@linkplain Files#isRegularFile(Path, LinkOption...)} is a file} having
* the {@code ".serialized"} suffix, then this method deserializes the object in the given
* file and passes it to {@link #createFromObject(Object)}.
* <li>If the given argument {@linkplain Files#isDirectory(Path, LinkOption...)} is a
* directory}, then this method delegates to {@link #create(Path, PathMatcher,
* ImageReaderSpi)} which scan all image files found in the directory.
* <li>Otherwise an {@link IOException} is thrown.
* </ul>
*
* @param file The serialized file or the directory to scan.
* @return A tile manager created from the tiles in the given directory.
* @throws IOException If the given file is not recognized, or an I/O operation failed.
* @since 3.15
*/
public TileManager[] create(final Path file) throws IOException {
if (Files.isRegularFile(file, LinkOption.NOFOLLOW_LINKS)) {
final String suffix = file.getFileName().toString();
if (!suffix.endsWith(".serialized")) {
throw new IOException(Errors.format(Errors.Keys.UnknownFileSuffix_1, suffix));
}
final Object manager;
try (InputStream fin = Files.newInputStream(file);
ObjectInputStream in = new ObjectInputStream(fin)) {
try {
manager = in.readObject();
} catch (ClassNotFoundException cause) {
InvalidClassException ex = new InvalidClassException(cause.getLocalizedMessage());
ex.initCause(cause);
throw ex;
}
}
return setSourceFile(createFromObject(manager), file);
} else if (Files.isDirectory(file, LinkOption.NOFOLLOW_LINKS)) {
return create(file, null, null);
} else {
throw new IOException(Errors.format(Errors.Keys.NotADirectory_1, file));
}
}