1 files changed, 106 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/query/project/ProjectQueryBuilder.java b/java/com/google/gerrit/server/query/project/ProjectQueryBuilder.java
new file mode 100644
index 0000000000..4923015faa
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+++ b/java/com/google/gerrit/server/query/project/ProjectQueryBuilder.java
@@ -0,0 +1,106 @@
+// Copyright (C) 2017 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.query.project;
+
+import com.google.common.base.Strings;
+import com.google.common.collect.Lists;
+import com.google.common.primitives.Ints;
+import com.google.gerrit.extensions.client.ProjectState;
+import com.google.gerrit.index.project.ProjectData;
+import com.google.gerrit.index.query.LimitPredicate;
+import com.google.gerrit.index.query.Predicate;
+import com.google.gerrit.index.query.QueryBuilder;
+import com.google.gerrit.index.query.QueryParseException;
+import com.google.gerrit.reviewdb.client.Project;
+import com.google.inject.Inject;
+import java.util.List;
+
+/** Parses a query string meant to be applied to project objects. */
+public class ProjectQueryBuilder extends QueryBuilder<ProjectData> {
+  public static final String FIELD_LIMIT = "limit";
+
+  private static final QueryBuilder.Definition<ProjectData, ProjectQueryBuilder> mydef =
+      new QueryBuilder.Definition<>(ProjectQueryBuilder.class);
+
+  @Inject
+  ProjectQueryBuilder() {
+    super(mydef);
+  }
+
+  @Operator
+  public Predicate<ProjectData> name(String name) {
+    return ProjectPredicates.name(new Project.NameKey(name));
+  }
+
+  @Operator
+  public Predicate<ProjectData> parent(String parentName) {
+    return ProjectPredicates.parent(new Project.NameKey(parentName));
+  }
+
+  @Operator
+  public Predicate<ProjectData> inname(String namePart) {
+    if (namePart.isEmpty()) {
+      return name(namePart);
+    }
+    return ProjectPredicates.inname(namePart);
+  }
+
+  @Operator
+  public Predicate<ProjectData> description(String description) throws QueryParseException {
+    if (Strings.isNullOrEmpty(description)) {
+      throw error("description operator requires a value");
+    }
+
+    return ProjectPredicates.description(description);
+  }
+
+  @Operator
+  public Predicate<ProjectData> state(String state) throws QueryParseException {
+    if (Strings.isNullOrEmpty(state)) {
+      throw error("state operator requires a value");
+    }
+    ProjectState parsedState;
+    try {
+      parsedState = ProjectState.valueOf(state.replace('-', '_').toUpperCase());
+    } catch (IllegalArgumentException e) {
+      throw error("state operator must be either 'active' or 'read-only'");
+    }
+    if (parsedState == ProjectState.HIDDEN) {
+      throw error("state operator must be either 'active' or 'read-only'");
+    }
+    return ProjectPredicates.state(parsedState);
+  }
+
+  @Override
+  protected Predicate<ProjectData> defaultField(String query) throws QueryParseException {
+    // Adapt the capacity of this list when adding more default predicates.
+    List<Predicate<ProjectData>> preds = Lists.newArrayListWithCapacity(3);
+    preds.add(name(query));
+    preds.add(inname(query));
+    if (!Strings.isNullOrEmpty(query)) {
+      preds.add(description(query));
+    }
+    return Predicate.or(preds);
+  }
+
+  @Operator
+  public Predicate<ProjectData> limit(String query) throws QueryParseException {
+    Integer limit = Ints.tryParse(query);
+    if (limit == null) {
+      throw error("Invalid limit: " + query);
+    }
+    return new LimitPredicate<>(FIELD_LIMIT, limit);
+  }
+}