+++ /dev/null
-/*
- * Copyright (C) The Arvados Authors. All rights reserved.
- *
- * SPDX-License-Identifier: AGPL-3.0 OR Apache-2.0
- *
- */
-
-package org.arvados.client.logic.keep;
-
-import org.arvados.client.exception.ArvadosClientException;
-
-import java.time.Instant;
-import java.time.LocalDateTime;
-import java.time.ZoneOffset;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Objects;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-import static org.arvados.client.common.Patterns.HINT_PATTERN;
-
-public class KeepLocator {
-
- private final List<String> hints = new ArrayList<>();
- private String permSig;
- private LocalDateTime permExpiry;
- private final String md5sum;
- private final Integer size;
-
- public KeepLocator(String locatorString) {
- LinkedList<String> pieces = new LinkedList<>(Arrays.asList(locatorString.split("\\+")));
-
- md5sum = pieces.poll();
- size = Integer.valueOf(Objects.requireNonNull(pieces.poll()));
-
- for (String hint : pieces) {
- if (!hint.matches(HINT_PATTERN)) {
- throw new ArvadosClientException(String.format("invalid hint format: %s", hint));
- } else if (hint.startsWith("A")) {
- parsePermissionHint(hint);
- } else {
- hints.add(hint);
- }
- }
- }
-
- public List<String> getHints() {
- return hints;
- }
-
- public String getMd5sum() {
- return md5sum;
- }
-
- @Override
- public String toString() {
- return Stream.concat(Stream.of(md5sum, size.toString(), permissionHint()), hints.stream())
- .filter(Objects::nonNull)
- .collect(Collectors.joining("+"));
- }
-
- public String stripped() {
- return size != null ? String.format("%s+%d", md5sum, size) : md5sum;
- }
-
- public String permissionHint() {
- if (permSig == null || permExpiry == null) {
- return null;
- }
-
- long timestamp = permExpiry.toEpochSecond(ZoneOffset.UTC);
- String signTimestamp = Long.toHexString(timestamp);
- return String.format("A%s@%s", permSig, signTimestamp);
- }
-
- private void parsePermissionHint(String hint) {
- String[] hintSplit = hint.substring(1).split("@", 2);
- permSig = hintSplit[0];
-
- int permExpiryDecimal = Integer.parseInt(hintSplit[1], 16);
- permExpiry = LocalDateTime.ofInstant(Instant.ofEpochSecond(permExpiryDecimal), ZoneOffset.UTC);
- }
-}