Java tutorial
// Copyright (C) 2010 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.httpd.rpc.project; import com.google.gerrit.common.data.ApprovalType; import com.google.gerrit.common.data.ApprovalTypes; import com.google.gerrit.common.data.ProjectDetail; import com.google.gerrit.common.errors.InvalidNameException; import com.google.gerrit.httpd.rpc.Handler; import com.google.gerrit.reviewdb.AccountGroup; import com.google.gerrit.reviewdb.ApprovalCategory; import com.google.gerrit.reviewdb.Project; import com.google.gerrit.reviewdb.RefRight; import com.google.gerrit.reviewdb.ReviewDb; import com.google.gerrit.server.account.GroupCache; import com.google.gerrit.server.account.NoSuchGroupException; import com.google.gerrit.server.project.NoSuchProjectException; import com.google.gerrit.server.project.NoSuchRefException; import com.google.gerrit.server.project.ProjectCache; import com.google.gerrit.server.project.ProjectControl; import com.google.gerrit.server.project.RefControl; import com.google.gwtorm.client.OrmException; import com.google.inject.Inject; import com.google.inject.assistedinject.Assisted; import org.eclipse.jgit.lib.Constants; import org.eclipse.jgit.lib.Repository; import java.util.Collections; import javax.annotation.Nullable; class AddRefRight extends Handler<ProjectDetail> { interface Factory { AddRefRight create(@Assisted Project.NameKey projectName, @Assisted ApprovalCategory.Id categoryId, @Assisted("groupName") String groupName, @Nullable @Assisted("refPattern") String refPattern, @Assisted("min") short min, @Assisted("max") short max); } private final ProjectDetailFactory.Factory projectDetailFactory; private final ProjectControl.Factory projectControlFactory; private final ProjectCache projectCache; private final GroupCache groupCache; private final ReviewDb db; private final ApprovalTypes approvalTypes; private final Project.NameKey projectName; private final ApprovalCategory.Id categoryId; private final AccountGroup.NameKey groupName; private final String refPattern; private final short min; private final short max; @Inject AddRefRight(final ProjectDetailFactory.Factory projectDetailFactory, final ProjectControl.Factory projectControlFactory, final ProjectCache projectCache, final GroupCache groupCache, final ReviewDb db, final ApprovalTypes approvalTypes, @Assisted final Project.NameKey projectName, @Assisted final ApprovalCategory.Id categoryId, @Assisted("groupName") final String groupName, @Nullable @Assisted("refPattern") final String refPattern, @Assisted("min") final short min, @Assisted("max") final short max) { this.projectDetailFactory = projectDetailFactory; this.projectControlFactory = projectControlFactory; this.projectCache = projectCache; this.groupCache = groupCache; this.approvalTypes = approvalTypes; this.db = db; this.projectName = projectName; this.categoryId = categoryId; this.groupName = new AccountGroup.NameKey(groupName); this.refPattern = refPattern != null ? refPattern.trim() : null; if (min <= max) { this.min = min; this.max = max; } else { this.min = max; this.max = min; } } @Override public ProjectDetail call() throws NoSuchProjectException, OrmException, NoSuchGroupException, InvalidNameException, NoSuchRefException { final ProjectControl projectControl = projectControlFactory.controlFor(projectName); final ApprovalType at = approvalTypes.getApprovalType(categoryId); if (at == null || at.getValue(min) == null || at.getValue(max) == null) { throw new IllegalArgumentException("Invalid category " + categoryId + " or range " + min + ".." + max); } String refPattern = this.refPattern; if (refPattern == null || refPattern.isEmpty()) { if (categoryId.equals(ApprovalCategory.SUBMIT) || categoryId.equals(ApprovalCategory.PUSH_HEAD)) { // Explicitly related to a branch head. refPattern = Constants.R_HEADS + "*"; } else if (!at.getCategory().isAction()) { // Non actions are approval votes on a change, assume these apply // to branch heads only. refPattern = Constants.R_HEADS + "*"; } else if (categoryId.equals(ApprovalCategory.PUSH_TAG)) { // Explicitly related to the tag namespace. refPattern = Constants.R_TAGS + "*"; } else if (categoryId.equals(ApprovalCategory.READ) || categoryId.equals(ApprovalCategory.OWN)) { // Currently these are project-wide rights, so apply that way. refPattern = RefRight.ALL; } else { // Assume project wide for the default. refPattern = RefRight.ALL; } } boolean exclusive = refPattern.startsWith("-"); if (exclusive) { refPattern = refPattern.substring(1); } while (refPattern.startsWith("/")) { refPattern = refPattern.substring(1); } if (refPattern.startsWith(RefRight.REGEX_PREFIX)) { String example = RefControl.shortestExample(refPattern); if (!example.startsWith(Constants.R_REFS)) { refPattern = RefRight.REGEX_PREFIX + Constants.R_HEADS + refPattern.substring(RefRight.REGEX_PREFIX.length()); example = RefControl.shortestExample(refPattern); } if (!Repository.isValidRefName(example)) { throw new InvalidNameException(); } } else { if (!refPattern.startsWith(Constants.R_REFS)) { refPattern = Constants.R_HEADS + refPattern; } if (refPattern.endsWith("/*")) { final String prefix = refPattern.substring(0, refPattern.length() - 2); if (!"refs".equals(prefix) && !Repository.isValidRefName(prefix)) { throw new InvalidNameException(); } } else { if (!Repository.isValidRefName(refPattern)) { throw new InvalidNameException(); } } } if (!projectControl.controlForRef(refPattern).isOwner()) { throw new NoSuchRefException(refPattern); } if (exclusive) { refPattern = "-" + refPattern; } final AccountGroup group = groupCache.get(groupName); if (group == null) { throw new NoSuchGroupException(groupName); } final RefRight.Key key = new RefRight.Key(projectName, new RefRight.RefPattern(refPattern), categoryId, group.getId()); RefRight rr = db.refRights().get(key); if (rr == null) { rr = new RefRight(key); rr.setMinValue(min); rr.setMaxValue(max); db.refRights().insert(Collections.singleton(rr)); } else { rr.setMinValue(min); rr.setMaxValue(max); db.refRights().update(Collections.singleton(rr)); } projectCache.evictAll(); return projectDetailFactory.create(projectName).call(); } }