@JSClass
public final class Storage {
public static Storage LOCAL = new Storage(Script.code("localStorage"));
public static Storage SESSION = new Storage(Script.code("sessionStorage"));
private final Object js;
private Storage(Object js) {
this.js = js;
}
public Optional<String> get(String key) {
String s = Script.code(js, ".getItem(", key, ")");
Optional<String> res = Optional.ofNullable(s);
return res;
}
public Optional<String> get(int index) {
Optional<String> key = getIndexByKey(index);
if (key.isPresent()) return get(key.get());
return Optional.empty();
}
public Optional<String> remove(String key) {
Optional<String> r = get(key);
if (r.isPresent()) Script.code(js, ".removeItem(", key, ")");
return r;
}
public Optional<String> remove(int index) {
Optional<String> key = getIndexByKey(index);
if (key.isPresent()) return remove(key.get());
return Optional.empty();
}
public Optional<String> getIndexByKey(int index) {
return Optional.ofNullable(Script.code(js, ".key(", CastUtil.toObject(index), ")"));
}
public int size() {
return CastUtil.toInt(Script.code(js, ".length"));
}
public Storage set(String key, String value) {
Script.code(js, ".setItem(", key, ",", value, ")");
return this;
}
public Storage set(int index, String value) {
Optional<String> key = getIndexByKey(index);
if (key.isPresent()) return set(key.get(), value);
return this;
}
public Storage clear() {
Script.code(js, ".clear()");
return this;
}
}
public Storage clear() {
Script.code(js, ".clear()");
return this;
}
public Storage set(String key, String value) {
Script.code(js, ".setItem(", key, ",", value, ")");
return this;
}
public int size() {
return CastUtil.toInt(Script.code(js, ".length"));
}
public Optional<String> getIndexByKey(int index) {
return Optional.ofNullable(Script.code(js, ".key(", CastUtil.toObject(index), ")"));
}
public Optional<String> remove(String key) {
Optional<String> r = get(key);
if (r.isPresent()) Script.code(js, ".removeItem(", key, ")");
return r;
}
public Optional<String> get(String key) {
String s = Script.code(js, ".getItem(", key, ")");
Optional<String> res = Optional.ofNullable(s);
return res;
}