1 files changed, 0 insertions, 171 deletions
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/change/Revisions.java b/gerrit-server/src/main/java/com/google/gerrit/server/change/Revisions.java
deleted file mode 100644
index 084bc252af..0000000000
--- a/gerrit-server/src/main/java/com/google/gerrit/server/change/Revisions.java
+++ /dev/null
@@ -1,171 +0,0 @@
-// Copyright (C) 2012 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.change;
-
-import com.google.common.base.Joiner;
-import com.google.common.collect.Lists;
-import com.google.gerrit.extensions.registration.DynamicMap;
-import com.google.gerrit.extensions.restapi.AuthException;
-import com.google.gerrit.extensions.restapi.ChildCollection;
-import com.google.gerrit.extensions.restapi.IdString;
-import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
-import com.google.gerrit.extensions.restapi.RestView;
-import com.google.gerrit.reviewdb.client.PatchSet;
-import com.google.gerrit.reviewdb.client.RevId;
-import com.google.gerrit.reviewdb.server.ReviewDb;
-import com.google.gerrit.server.PatchSetUtil;
-import com.google.gerrit.server.edit.ChangeEdit;
-import com.google.gerrit.server.edit.ChangeEditUtil;
-import com.google.gerrit.server.permissions.ChangePermission;
-import com.google.gerrit.server.permissions.PermissionBackend;
-import com.google.gerrit.server.permissions.PermissionBackendException;
-import com.google.gwtorm.server.OrmException;
-import com.google.inject.Inject;
-import com.google.inject.Provider;
-import com.google.inject.Singleton;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Optional;
-import org.eclipse.jgit.lib.ObjectId;
-
-@Singleton
-public class Revisions implements ChildCollection<ChangeResource, RevisionResource> {
-  private final DynamicMap<RestView<RevisionResource>> views;
-  private final Provider<ReviewDb> dbProvider;
-  private final ChangeEditUtil editUtil;
-  private final PatchSetUtil psUtil;
-  private final PermissionBackend permissionBackend;
-
-  @Inject
-  Revisions(
-      DynamicMap<RestView<RevisionResource>> views,
-      Provider<ReviewDb> dbProvider,
-      ChangeEditUtil editUtil,
-      PatchSetUtil psUtil,
-      PermissionBackend permissionBackend) {
-    this.views = views;
-    this.dbProvider = dbProvider;
-    this.editUtil = editUtil;
-    this.psUtil = psUtil;
-    this.permissionBackend = permissionBackend;
-  }
-
-  @Override
-  public DynamicMap<RestView<RevisionResource>> views() {
-    return views;
-  }
-
-  @Override
-  public RestView<ChangeResource> list() throws ResourceNotFoundException {
-    throw new ResourceNotFoundException();
-  }
-
-  @Override
-  public RevisionResource parse(ChangeResource change, IdString id)
-      throws ResourceNotFoundException, AuthException, OrmException, IOException,
-          PermissionBackendException {
-    if (id.get().equals("current")) {
-      PatchSet ps = psUtil.current(dbProvider.get(), change.getNotes());
-      if (ps != null && visible(change)) {
-        return new RevisionResource(change, ps).doNotCache();
-      }
-      throw new ResourceNotFoundException(id);
-    }
-
-    List<RevisionResource> match = Lists.newArrayListWithExpectedSize(2);
-    for (RevisionResource rsrc : find(change, id.get())) {
-      if (visible(change)) {
-        match.add(rsrc);
-      }
-    }
-    switch (match.size()) {
-      case 0:
-        throw new ResourceNotFoundException(id);
-      case 1:
-        return match.get(0);
-      default:
-        throw new ResourceNotFoundException(
-            "Multiple patch sets for \"" + id.get() + "\": " + Joiner.on("; ").join(match));
-    }
-  }
-
-  private boolean visible(ChangeResource change) throws PermissionBackendException {
-    try {
-      permissionBackend
-          .user(change.getUser())
-          .change(change.getNotes())
-          .database(dbProvider)
-          .check(ChangePermission.READ);
-      return true;
-    } catch (AuthException e) {
-      return false;
-    }
-  }
-
-  private List<RevisionResource> find(ChangeResource change, String id)
-      throws OrmException, IOException, AuthException {
-    if (id.equals("0") || id.equals("edit")) {
-      return loadEdit(change, null);
-    } else if (id.length() < 6 && id.matches("^[1-9][0-9]{0,4}$")) {
-      // Legacy patch set number syntax.
-      return byLegacyPatchSetId(change, id);
-    } else if (id.length() < 4 || id.length() > RevId.LEN) {
-      // Require a minimum of 4 digits.
-      // Impossibly long identifier will never match.
-      return Collections.emptyList();
-    } else {
-      List<RevisionResource> out = new ArrayList<>();
-      for (PatchSet ps : psUtil.byChange(dbProvider.get(), change.getNotes())) {
-        if (ps.getRevision() != null && ps.getRevision().get().startsWith(id)) {
-          out.add(new RevisionResource(change, ps));
-        }
-      }
-      // Not an existing patch set on a change, but might be an edit.
-      if (out.isEmpty() && id.length() == RevId.LEN) {
-        return loadEdit(change, new RevId(id));
-      }
-      return out;
-    }
-  }
-
-  private List<RevisionResource> byLegacyPatchSetId(ChangeResource change, String id)
-      throws OrmException {
-    PatchSet ps =
-        psUtil.get(
-            dbProvider.get(),
-            change.getNotes(),
-            new PatchSet.Id(change.getId(), Integer.parseInt(id)));
-    if (ps != null) {
-      return Collections.singletonList(new RevisionResource(change, ps));
-    }
-    return Collections.emptyList();
-  }
-
-  private List<RevisionResource> loadEdit(ChangeResource change, RevId revid)
-      throws AuthException, IOException {
-    Optional<ChangeEdit> edit = editUtil.byChange(change.getNotes(), change.getUser());
-    if (edit.isPresent()) {
-      PatchSet ps = new PatchSet(new PatchSet.Id(change.getId(), 0));
-      RevId editRevId = new RevId(ObjectId.toString(edit.get().getEditCommit()));
-      ps.setRevision(editRevId);
-      if (revid == null || editRevId.equals(revid)) {
-        return Collections.singletonList(new RevisionResource(change, ps, edit));
-      }
-    }
-    return Collections.emptyList();
-  }
-}