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Diffstat (limited to 'java/com/google/gerrit/server/notedb/ChangeNoteUtil.java')
| -rw-r--r-- | java/com/google/gerrit/server/notedb/ChangeNoteUtil.java | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/notedb/ChangeNoteUtil.java b/java/com/google/gerrit/server/notedb/ChangeNoteUtil.java new file mode 100644 index 0000000000..8a0cabe894 --- /dev/null +++ b/java/com/google/gerrit/server/notedb/ChangeNoteUtil.java @@ -0,0 +1,188 @@ +// Copyright (C) 2013 The Android Open Source Project +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package com.google.gerrit.server.notedb; + +import com.google.auto.value.AutoValue; +import com.google.common.annotations.VisibleForTesting; +import com.google.gerrit.reviewdb.client.Account; +import com.google.gerrit.server.config.GerritServerId; +import com.google.inject.Inject; +import java.util.Date; +import java.util.Optional; +import org.eclipse.jgit.lib.PersonIdent; +import org.eclipse.jgit.revwalk.FooterKey; +import org.eclipse.jgit.revwalk.RevCommit; +import org.eclipse.jgit.util.RawParseUtils; + +public class ChangeNoteUtil { + public static final FooterKey FOOTER_ASSIGNEE = new FooterKey("Assignee"); + public static final FooterKey FOOTER_BRANCH = new FooterKey("Branch"); + public static final FooterKey FOOTER_CHANGE_ID = new FooterKey("Change-id"); + public static final FooterKey FOOTER_COMMIT = new FooterKey("Commit"); + public static final FooterKey FOOTER_CURRENT = new FooterKey("Current"); + public static final FooterKey FOOTER_GROUPS = new FooterKey("Groups"); + public static final FooterKey FOOTER_HASHTAGS = new FooterKey("Hashtags"); + public static final FooterKey FOOTER_LABEL = new FooterKey("Label"); + public static final FooterKey FOOTER_PATCH_SET = new FooterKey("Patch-set"); + public static final FooterKey FOOTER_PATCH_SET_DESCRIPTION = + new FooterKey("Patch-set-description"); + public static final FooterKey FOOTER_PRIVATE = new FooterKey("Private"); + public static final FooterKey FOOTER_READ_ONLY_UNTIL = new FooterKey("Read-only-until"); + public static final FooterKey FOOTER_REAL_USER = new FooterKey("Real-user"); + public static final FooterKey FOOTER_STATUS = new FooterKey("Status"); + public static final FooterKey FOOTER_SUBJECT = new FooterKey("Subject"); + public static final FooterKey FOOTER_SUBMISSION_ID = new FooterKey("Submission-id"); + public static final FooterKey FOOTER_SUBMITTED_WITH = new FooterKey("Submitted-with"); + public static final FooterKey FOOTER_TOPIC = new FooterKey("Topic"); + public static final FooterKey FOOTER_TAG = new FooterKey("Tag"); + public static final FooterKey FOOTER_WORK_IN_PROGRESS = new FooterKey("Work-in-progress"); + public static final FooterKey FOOTER_REVERT_OF = new FooterKey("Revert-of"); + + static final String AUTHOR = "Author"; + static final String BASE_PATCH_SET = "Base-for-patch-set"; + static final String COMMENT_RANGE = "Comment-range"; + static final String FILE = "File"; + static final String LENGTH = "Bytes"; + static final String PARENT = "Parent"; + static final String PARENT_NUMBER = "Parent-number"; + static final String PATCH_SET = "Patch-set"; + static final String REAL_AUTHOR = "Real-author"; + static final String REVISION = "Revision"; + static final String UUID = "UUID"; + static final String UNRESOLVED = "Unresolved"; + static final String TAG = FOOTER_TAG.getName(); + + private final LegacyChangeNoteRead legacyChangeNoteRead; + private final ChangeNoteJson changeNoteJson; + private final String serverId; + + @Inject + public ChangeNoteUtil( + ChangeNoteJson changeNoteJson, + LegacyChangeNoteRead legacyChangeNoteRead, + @GerritServerId String serverId) { + this.serverId = serverId; + this.changeNoteJson = changeNoteJson; + this.legacyChangeNoteRead = legacyChangeNoteRead; + } + + public LegacyChangeNoteRead getLegacyChangeNoteRead() { + return legacyChangeNoteRead; + } + + public ChangeNoteJson getChangeNoteJson() { + return changeNoteJson; + } + + public PersonIdent newIdent(Account.Id authorId, Date when, PersonIdent serverIdent) { + return new PersonIdent( + "Gerrit User " + authorId.toString(), + authorId.get() + "@" + serverId, + when, + serverIdent.getTimeZone()); + } + + @VisibleForTesting + public PersonIdent newIdent(Account author, Date when, PersonIdent serverIdent) { + return new PersonIdent( + "Gerrit User " + author.getId(), + author.getId().get() + "@" + serverId, + when, + serverIdent.getTimeZone()); + } + + public static Optional<CommitMessageRange> parseCommitMessageRange(RevCommit commit) { + byte[] raw = commit.getRawBuffer(); + int size = raw.length; + + int subjectStart = RawParseUtils.commitMessage(raw, 0); + if (subjectStart < 0 || subjectStart >= size) { + return Optional.empty(); + } + + int subjectEnd = RawParseUtils.endOfParagraph(raw, subjectStart); + if (subjectEnd == size) { + return Optional.empty(); + } + + int changeMessageStart; + + if (raw[subjectEnd] == '\n') { + changeMessageStart = subjectEnd + 2; // \n\n ends paragraph + } else if (raw[subjectEnd] == '\r') { + changeMessageStart = subjectEnd + 4; // \r\n\r\n ends paragraph + } else { + return Optional.empty(); + } + + int ptr = size - 1; + int changeMessageEnd = -1; + while (ptr > changeMessageStart) { + ptr = RawParseUtils.prevLF(raw, ptr, '\r'); + if (ptr == -1) { + break; + } + if (raw[ptr] == '\n') { + changeMessageEnd = ptr - 1; + break; + } else if (raw[ptr] == '\r') { + changeMessageEnd = ptr - 3; + break; + } + } + + if (ptr <= changeMessageStart) { + return Optional.empty(); + } + + CommitMessageRange range = + CommitMessageRange.builder() + .subjectStart(subjectStart) + .subjectEnd(subjectEnd) + .changeMessageStart(changeMessageStart) + .changeMessageEnd(changeMessageEnd) + .build(); + + return Optional.of(range); + } + + @AutoValue + public abstract static class CommitMessageRange { + public abstract int subjectStart(); + + public abstract int subjectEnd(); + + public abstract int changeMessageStart(); + + public abstract int changeMessageEnd(); + + public static Builder builder() { + return new AutoValue_ChangeNoteUtil_CommitMessageRange.Builder(); + } + + @AutoValue.Builder + public abstract static class Builder { + abstract Builder subjectStart(int subjectStart); + + abstract Builder subjectEnd(int subjectEnd); + + abstract Builder changeMessageStart(int changeMessageStart); + + abstract Builder changeMessageEnd(int changeMessageEnd); + + abstract CommitMessageRange build(); + } + } +} |