Use Guice to inject GerritServer into RPC backends

Signed-off-by: Shawn O. Pearce <sop@google.com>

src/main/java/com/google/gerrit/server/AccountSecurityImpl.java

@@ -60,10 +60,9 @@ import javax.servlet.http.HttpServletRequest;
 class AccountSecurityImpl extends BaseServiceImplementation implements
     AccountSecurity {
   private final Logger log = LoggerFactory.getLogger(getClass());
-  private final GerritServer server;
 
   AccountSecurityImpl(final GerritServer gs) {
-    server = gs;
+    super(gs);
   }
 
   public void mySshKeys(final AsyncCallback<List<AccountSshKey>> callback) {

src/main/java/com/google/gerrit/server/AccountSecuritySrv.java

@@ -14,15 +14,21 @@
 
 package com.google.gerrit.server;
 
+import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 
 /** Publishes {@link AccountSecurityImpl} over JSON. */
 @SuppressWarnings("serial")
 @Singleton
-public class AccountSecuritySrv extends GerritJsonServlet {
+class AccountSecuritySrv extends GerritJsonServlet {
+  @Inject
+  AccountSecuritySrv(final GerritServer gs) {
+    super(gs);
+  }
+
   @Override
   protected Object createServiceHandle() throws Exception {
-    return new AccountSecurityImpl(GerritServer.getInstance());
+    return new AccountSecurityImpl(server);
   }
 }

src/main/java/com/google/gerrit/server/AccountServiceImpl.java

@@ -36,8 +36,12 @@ import java.util.Comparator;
 import java.util.List;
 import java.util.Set;
 
-public class AccountServiceImpl extends BaseServiceImplementation implements
+class AccountServiceImpl extends BaseServiceImplementation implements
     AccountService {
+  AccountServiceImpl(final GerritServer gs) {
+    super(gs);
+  }
+
   public void myAccount(final AsyncCallback<Account> callback) {
     run(callback, new Action<Account>() {
       public Account run(ReviewDb db) throws Failure {

src/main/java/com/google/gerrit/server/AccountServiceSrv.java

@@ -14,15 +14,21 @@
 
 package com.google.gerrit.server;
 
+import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 
 /** Publishes {@link AccountServiceImpl} over JSON. */
 @SuppressWarnings("serial")
 @Singleton
-public class AccountServiceSrv extends GerritJsonServlet {
+class AccountServiceSrv extends GerritJsonServlet {
+  @Inject
+  AccountServiceSrv(final GerritServer gs) {
+    super(gs);
+  }
+
   @Override
   protected Object createServiceHandle() throws Exception {
-    return new AccountServiceImpl();
+    return new AccountServiceImpl(server);
   }
 }

src/main/java/com/google/gerrit/server/BaseServiceImplementation.java

@@ -32,6 +32,12 @@ import java.util.Set;
 
 /** Support for services which require a {@link ReviewDb} instance. */
 public class BaseServiceImplementation {
+  protected final GerritServer server;
+
+  protected BaseServiceImplementation(final GerritServer gs) {
+    server = gs;
+  }
+
   /**
    * Executes <code>action.run</code> with an active ReviewDb connection.
    * <p>

src/main/java/com/google/gerrit/server/ChangeDetailServiceImpl.java

@@ -25,8 +25,12 @@ import com.google.gerrit.client.rpc.NoSuchEntityException;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.google.gwtorm.client.OrmException;
 
-public class ChangeDetailServiceImpl extends BaseServiceImplementation
-    implements ChangeDetailService {
+class ChangeDetailServiceImpl extends BaseServiceImplementation implements
+    ChangeDetailService {
+  ChangeDetailServiceImpl(final GerritServer gs) {
+    super(gs);
+  }
+
   public void changeDetail(final Change.Id id,
       final AsyncCallback<ChangeDetail> callback) {
     run(callback, new ChangeDetailFactory(id));

src/main/java/com/google/gerrit/server/ChangeDetailServiceSrv.java

@@ -14,15 +14,21 @@
 
 package com.google.gerrit.server;
 
+import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 
 /** Publishes {@link ChangeDetailServiceImpl} over JSON. */
 @SuppressWarnings("serial")
 @Singleton
-public class ChangeDetailServiceSrv extends GerritJsonServlet {
+class ChangeDetailServiceSrv extends GerritJsonServlet {
+  @Inject
+  ChangeDetailServiceSrv(final GerritServer gs) {
+    super(gs);
+  }
+
   @Override
   protected Object createServiceHandle() throws Exception {
-    return new ChangeDetailServiceImpl();
+    return new ChangeDetailServiceImpl(server);
   }
 }

src/main/java/com/google/gerrit/server/ChangeListServiceImpl.java

@@ -48,7 +48,7 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-public class ChangeListServiceImpl extends BaseServiceImplementation implements
+class ChangeListServiceImpl extends BaseServiceImplementation implements
     ChangeListService {
   private static final Comparator<ChangeInfo> ID_COMP =
       new Comparator<ChangeInfo>() {
@@ -81,6 +81,10 @@ public class ChangeListServiceImpl extends BaseServiceImplementation implements
     return 0 < pageSize && pageSize <= MAX_PER_PAGE ? pageSize : MAX_PER_PAGE;
   }
 
+  ChangeListServiceImpl(final GerritServer gs) {
+    super(gs);
+  }
+
   public void allOpenPrev(final String pos, final int pageSize,
       final AsyncCallback<SingleListChangeInfo> callback) {
     run(callback, new QueryPrev(pageSize, pos) {
@@ -467,8 +471,8 @@ public class ChangeListServiceImpl extends BaseServiceImplementation implements
    *         email addresses. The returned changes are unique and sorted by time
    *         stamp, newer first.
    */
-  private Set<Change.Id> changesReviewedBy(final ReviewDb db, final String userName)
-      throws OrmException {
+  private Set<Change.Id> changesReviewedBy(final ReviewDb db,
+      final String userName) throws OrmException {
     final Set<Change.Id> resultChanges = new HashSet<Change.Id>();
     for (Account.Id account : getAccountSources(db, userName)) {
       for (ChangeApproval a : db.changeApprovals().openByUser(account)) {

src/main/java/com/google/gerrit/server/ChangeListServiceSrv.java

@@ -14,15 +14,21 @@
 
 package com.google.gerrit.server;
 
+import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 
 /** Publishes {@link ChangeListServiceImpl} over JSON. */
 @SuppressWarnings("serial")
 @Singleton
-public class ChangeListServiceSrv extends GerritJsonServlet {
+class ChangeListServiceSrv extends GerritJsonServlet {
+  @Inject
+  ChangeListServiceSrv(final GerritServer gs) {
+    super(gs);
+  }
+
   @Override
   protected Object createServiceHandle() throws Exception {
-    return new ChangeListServiceImpl();
+    return new ChangeListServiceImpl(server);
   }
 }

src/main/java/com/google/gerrit/server/ChangeManageServiceImpl.java

@@ -37,8 +37,11 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
-public class ChangeManageServiceImpl extends BaseServiceImplementation
-    implements ChangeManageService {
+class ChangeManageServiceImpl extends BaseServiceImplementation implements
+    ChangeManageService {
+  ChangeManageServiceImpl(final GerritServer gs) {
+    super(gs);
+  }
 
   public void patchSetAction(final ApprovalCategoryValue.Id value,
       final PatchSet.Id patchSetId, final AsyncCallback<VoidResult> callback) {

src/main/java/com/google/gerrit/server/ChangeManageServiceSrv.java

@@ -14,15 +14,21 @@
 
 package com.google.gerrit.server;
 
+import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 
 /** Publishes {@link ChangeManageServiceImpl} over JSON. */
 @SuppressWarnings("serial")
 @Singleton
-public class ChangeManageServiceSrv extends GerritJsonServlet {
+class ChangeManageServiceSrv extends GerritJsonServlet {
+  @Inject
+  ChangeManageServiceSrv(final GerritServer gs) {
+    super(gs);
+  }
+
   @Override
   protected Object createServiceHandle() throws Exception {
-    return new ChangeManageServiceImpl();
+    return new ChangeManageServiceImpl(server);
   }
 }

src/main/java/com/google/gerrit/server/GerritJsonServlet.java

@@ -16,15 +16,10 @@ package com.google.gerrit.server;
 
 import com.google.gerrit.client.rpc.NotSignedInException;
 import com.google.gerrit.client.rpc.SignInRequired;
-import com.google.gerrit.git.WorkQueue;
 import com.google.gson.GsonBuilder;
 import com.google.gwtjsonrpc.server.JsonServlet;
 import com.google.gwtjsonrpc.server.SignedToken;
-import com.google.gwtjsonrpc.server.XsrfException;
-import com.google.gwtorm.client.OrmException;
 
-import javax.servlet.ServletConfig;
-import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
@@ -38,35 +33,15 @@ public abstract class GerritJsonServlet extends JsonServlet<GerritCall> {
     return JsonServlet.<GerritCall> getCurrentCall();
   }
 
-  private GerritServer server;
+  protected GerritServer server;
 
-  @Override
-  public void init(final ServletConfig config) throws ServletException {
-    super.init(config);
-
-    try {
-      server = GerritServer.getInstance();
-    } catch (OrmException e) {
-      throw new ServletException("Cannot configure GerritServer", e);
-    } catch (XsrfException e) {
-      throw new ServletException("Cannot configure GerritServer", e);
-    }
+  protected GerritJsonServlet(final GerritServer gs) {
+    server = gs;
   }
 
   @Override
-  public void destroy() {
-    WorkQueue.terminate();
-    GerritServer.closeDataSource();
-    super.destroy();
-  }
-
-  @Override
-  protected SignedToken createXsrfSignedToken() throws XsrfException {
-    try {
-      return GerritServer.getInstance().getXsrfToken();
-    } catch (OrmException e) {
-      throw new XsrfException("Cannot configure GerritServer", e);
-    }
+  protected SignedToken createXsrfSignedToken() {
+    return server.getXsrfToken();
   }
 
   @Override

src/main/java/com/google/gerrit/server/GerritServletConfig.java

@@ -14,6 +14,8 @@
 
 package com.google.gerrit.server;
 
+import com.google.gerrit.git.WorkQueue;
+import com.google.gerrit.server.patch.PatchDetailServiceSrv;
 import com.google.gerrit.server.ssh.SshServlet;
 import com.google.gwtjsonrpc.server.XsrfException;
 import com.google.gwtorm.client.OrmException;
@@ -115,7 +117,7 @@ public class GerritServletConfig extends GuiceServletContextListener {
     } catch (ProviderException ce) {
       // Assume it never started.
     }
-
+    WorkQueue.terminate();
     super.contextDestroyed(event);
   }
 }

src/main/java/com/google/gerrit/server/GroupAdminServiceImpl.java

@@ -39,8 +39,12 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-public class GroupAdminServiceImpl extends BaseServiceImplementation implements
+class GroupAdminServiceImpl extends BaseServiceImplementation implements
     GroupAdminService {
+  GroupAdminServiceImpl(final GerritServer gs) {
+    super(gs);
+  }
+
   public void ownedGroups(final AsyncCallback<List<AccountGroup>> callback) {
     run(callback, new Action<List<AccountGroup>>() {
       public List<AccountGroup> run(ReviewDb db) throws OrmException {

src/main/java/com/google/gerrit/server/GroupAdminServiceSrv.java

@@ -14,15 +14,21 @@
 
 package com.google.gerrit.server;
 
+import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 
 /** Publishes {@link GroupAdminServiceImpl} over JSON. */
 @SuppressWarnings("serial")
 @Singleton
-public class GroupAdminServiceSrv extends GerritJsonServlet {
+class GroupAdminServiceSrv extends GerritJsonServlet {
+  @Inject
+  GroupAdminServiceSrv(final GerritServer gs) {
+    super(gs);
+  }
+
   @Override
   protected Object createServiceHandle() throws Exception {
-    return new GroupAdminServiceImpl();
+    return new GroupAdminServiceImpl(server);
   }
 }

src/main/java/com/google/gerrit/server/OpenIdServiceSrv.java

@@ -14,13 +14,19 @@
 
 package com.google.gerrit.server;
 
+import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 
 /** Publishes {@link OpenIdServiceImpl} over JSON. */
 @SuppressWarnings("serial")
 @Singleton
-public class OpenIdServiceSrv extends GerritJsonServlet {
+class OpenIdServiceSrv extends GerritJsonServlet {
+  @Inject
+  OpenIdServiceSrv(final GerritServer gs) {
+    super(gs);
+  }
+
   @Override
   protected Object createServiceHandle() throws Exception {
     return OpenIdServiceImpl.getInstance();

src/main/java/com/google/gerrit/server/ProjectAdminServiceImpl.java

@@ -62,13 +62,12 @@ import java.util.Set;
 
 import javax.servlet.http.HttpServletRequest;
 
-public class ProjectAdminServiceImpl extends BaseServiceImplementation
-    implements ProjectAdminService {
+class ProjectAdminServiceImpl extends BaseServiceImplementation implements
+    ProjectAdminService {
   private final Logger log = LoggerFactory.getLogger(getClass());
-  private final GerritServer server;
 
   ProjectAdminServiceImpl(final GerritServer gs) {
-    server = gs;
+    super(gs);
   }
 
   public void ownedProjects(final AsyncCallback<List<Project>> callback) {

src/main/java/com/google/gerrit/server/ProjectAdminServiceSrv.java

@@ -14,15 +14,21 @@
 
 package com.google.gerrit.server;
 
+import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 
 /** Publishes {@link ProjectAdminServiceImpl} over JSON. */
 @SuppressWarnings("serial")
 @Singleton
-public class ProjectAdminServiceSrv extends GerritJsonServlet {
+class ProjectAdminServiceSrv extends GerritJsonServlet {
+  @Inject
+  ProjectAdminServiceSrv(final GerritServer gs) {
+    super(gs);
+  }
+
   @Override
   protected Object createServiceHandle() throws Exception {
-    return new ProjectAdminServiceImpl(GerritServer.getInstance());
+    return new ProjectAdminServiceImpl(server);
   }
 }

src/main/java/com/google/gerrit/server/SuggestServiceImpl.java

@@ -30,10 +30,14 @@ import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.List;
 
-public class SuggestServiceImpl extends BaseServiceImplementation implements
+class SuggestServiceImpl extends BaseServiceImplementation implements
     SuggestService {
   private static final String MAX_SUFFIX = "\u9fa5";
 
+  SuggestServiceImpl(final GerritServer gs) {
+    super(gs);
+  }
+
   public void suggestProjectNameKey(final String query, final int limit,
       final AsyncCallback<List<Project.NameKey>> callback) {
     run(callback, new Action<List<Project.NameKey>>() {

src/main/java/com/google/gerrit/server/SuggestServiceSrv.java

@@ -14,15 +14,21 @@
 
 package com.google.gerrit.server;
 
+import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 
 /** Publishes {@link SuggestServiceImpl} over JSON. */
 @SuppressWarnings("serial")
 @Singleton
-public class SuggestServiceSrv extends GerritJsonServlet {
+class SuggestServiceSrv extends GerritJsonServlet {
+  @Inject
+  SuggestServiceSrv(final GerritServer gs) {
+    super(gs);
+  }
+
   @Override
   protected Object createServiceHandle() throws Exception {
-    return new SuggestServiceImpl();
+    return new SuggestServiceImpl(server);
   }
 }

src/main/java/com/google/gerrit/server/SystemInfoServiceImpl.java

@@ -46,11 +46,17 @@ import java.util.List;
 
 import javax.servlet.http.HttpServletRequest;
 
-public class SystemInfoServiceImpl implements SystemInfoService {
+class SystemInfoServiceImpl implements SystemInfoService {
   private static final Logger log =
       LoggerFactory.getLogger(SystemInfoServiceImpl.class);
   private static final JSch JSCH = new JSch();
 
+  private final GerritServer server;
+
+  SystemInfoServiceImpl(final GerritServer gs) {
+    server = gs;
+  }
+
   public static GerritConfig getGerritConfig() {
     final GerritConfig cfg = Common.getGerritConfig();
     synchronized (cfg) {

src/main/java/com/google/gerrit/server/SystemInfoServiceSrv.java

@@ -14,15 +14,21 @@
 
 package com.google.gerrit.server;
 
+import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 
 /** Publishes {@link SystemInfoServiceImpl} over JSON. */
 @SuppressWarnings("serial")
 @Singleton
-public class SystemInfoServiceSrv extends GerritJsonServlet {
+class SystemInfoServiceSrv extends GerritJsonServlet {
+  @Inject
+  SystemInfoServiceSrv(final GerritServer gs) {
+    super(gs);
+  }
+
   @Override
   protected Object createServiceHandle() throws Exception {
-    return new SystemInfoServiceImpl();
+    return new SystemInfoServiceImpl(server);
   }
 }

src/main/java/com/google/gerrit/server/patch/PatchDetailServiceImpl.java

@@ -62,13 +62,12 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-public class PatchDetailServiceImpl extends BaseServiceImplementation implements
+class PatchDetailServiceImpl extends BaseServiceImplementation implements
     PatchDetailService {
   private final Logger log = LoggerFactory.getLogger(getClass());
-  private final GerritServer server;
 
-  public PatchDetailServiceImpl(final GerritServer gs) {
-    server = gs;
+  PatchDetailServiceImpl(final GerritServer gs) {
+    super(gs);
   }
 
   public void patchScript(final Patch.Key patchKey, final PatchSet.Id psa,

src/main/java/com/google/gerrit/server/patch/PatchDetailServiceSrv.java

@@ -12,17 +12,24 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.server;
+package com.google.gerrit.server.patch;
 
-import com.google.gerrit.server.patch.PatchDetailServiceImpl;
+import com.google.gerrit.server.GerritJsonServlet;
+import com.google.gerrit.server.GerritServer;
+import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
 /** Publishes {@link PatchDetailServiceImpl} over JSON. */
 @SuppressWarnings("serial")
 @Singleton
 public class PatchDetailServiceSrv extends GerritJsonServlet {
+  @Inject
+  PatchDetailServiceSrv(final GerritServer gs) {
+    super(gs);
+  }
+
   @Override
   protected Object createServiceHandle() throws Exception {
-    return new PatchDetailServiceImpl(GerritServer.getInstance());
+    return new PatchDetailServiceImpl(server);
   }
 }