SONAR-8804 Create api/projects/search

5 files changed, 471 insertions, 2 deletions

diff --git a/server/sonar-server/src/main/java/org/sonar/server/project/ws/ProjectsWsModule.java b/server/sonar-server/src/main/java/org/sonar/server/project/ws/ProjectsWsModule.java
index ee421e8213c..d3c00cf99ed 100644
--- a/server/sonar-server/src/main/java/org/sonar/server/project/ws/ProjectsWsModule.java
+++ b/server/sonar-server/src/main/java/org/sonar/server/project/ws/ProjectsWsModule.java
@@ -34,6 +34,7 @@ public class ProjectsWsModule extends Module {
       GhostsAction.class,
       ProvisionedAction.class,
       SearchMyProjectsAction.class,
-      SearchMyProjectsDataLoader.class);
+      SearchMyProjectsDataLoader.class,
+      SearchAction.class);
   }
 }
diff --git a/server/sonar-server/src/main/java/org/sonar/server/project/ws/SearchAction.java b/server/sonar-server/src/main/java/org/sonar/server/project/ws/SearchAction.java
new file mode 100644
index 00000000000..1d7aa790a68
--- /dev/null
+++ b/server/sonar-server/src/main/java/org/sonar/server/project/ws/SearchAction.java
@@ -0,0 +1,153 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2017 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.server.project.ws;
+
+import java.util.List;
+import org.sonar.api.server.ws.Request;
+import org.sonar.api.server.ws.Response;
+import org.sonar.api.server.ws.WebService;
+import org.sonar.api.server.ws.WebService.Param;
+import org.sonar.api.utils.Paging;
+import org.sonar.db.DbClient;
+import org.sonar.db.DbSession;
+import org.sonar.db.component.ComponentDto;
+import org.sonar.db.component.ComponentQuery;
+import org.sonar.db.organization.OrganizationDto;
+import org.sonar.server.organization.DefaultOrganizationProvider;
+import org.sonar.server.user.UserSession;
+import org.sonarqube.ws.WsProjects.SearchWsResponse;
+import org.sonarqube.ws.client.project.SearchWsRequest;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Optional.ofNullable;
+import static org.sonar.api.resources.Qualifiers.PROJECT;
+import static org.sonar.api.resources.Qualifiers.VIEW;
+import static org.sonar.core.permission.GlobalPermissions.SYSTEM_ADMIN;
+import static org.sonar.server.ws.WsUtils.writeProtobuf;
+import static org.sonarqube.ws.WsProjects.SearchWsResponse.Component;
+import static org.sonarqube.ws.WsProjects.SearchWsResponse.newBuilder;
+import static org.sonarqube.ws.client.project.ProjectsWsParameters.ACTION_SEARCH;
+import static org.sonarqube.ws.client.project.ProjectsWsParameters.PARAM_ORGANIZATION;
+import static org.sonarqube.ws.client.project.ProjectsWsParameters.PARAM_QUALIFIERS;
+
+public class SearchAction implements ProjectsWsAction {
+
+  private final DbClient dbClient;
+  private final UserSession userSession;
+  private final DefaultOrganizationProvider defaultOrganizationProvider;
+  private final ProjectsWsSupport support;
+
+  public SearchAction(DbClient dbClient, UserSession userSession, DefaultOrganizationProvider defaultOrganizationProvider, ProjectsWsSupport support) {
+    this.dbClient = dbClient;
+    this.userSession = userSession;
+    this.defaultOrganizationProvider = defaultOrganizationProvider;
+    this.support = support;
+  }
+
+  @Override
+  public void define(WebService.NewController context) {
+    WebService.NewAction action = context.createAction(ACTION_SEARCH)
+      .setSince("6.3")
+      .setDescription("Search for projects or views.<br>" +
+        "Requires 'System Administrator' permission")
+      .setInternal(true)
+      .addPagingParams(100)
+      .addSearchQuery("sona", "component names", "component keys")
+      .setResponseExample(getClass().getResource("search-example.json"))
+      .setHandler(this);
+    action.createParam(PARAM_QUALIFIERS)
+      .setDescription("Comma-separated list of component qualifiers. Filter the results with the specified qualifiers")
+      .setPossibleValues(PROJECT, VIEW)
+      .setDefaultValue(PROJECT);
+    support.addOrganizationParam(action);
+  }
+
+  @Override
+  public void handle(Request wsRequest, Response wsResponse) throws Exception {
+    SearchWsResponse searchWsResponse = doHandle(toSearchWsRequest(wsRequest));
+    writeProtobuf(searchWsResponse, wsRequest, wsResponse);
+  }
+
+  private static SearchWsRequest toSearchWsRequest(Request request) {
+    return SearchWsRequest.builder()
+      .setOrganization(request.param(PARAM_ORGANIZATION))
+      .setQualifiers(request.mandatoryParamAsStrings(PARAM_QUALIFIERS))
+      .setQuery(request.param(Param.TEXT_QUERY))
+      .setPage(request.mandatoryParamAsInt(Param.PAGE))
+      .setPageSize(request.mandatoryParamAsInt(Param.PAGE_SIZE)).build();
+  }
+
+  private SearchWsResponse doHandle(SearchWsRequest request) {
+    try (DbSession dbSession = dbClient.openSession(false)) {
+      OrganizationDto organization = support.getOrganization(dbSession, ofNullable(request.getOrganization()).orElseGet(defaultOrganizationProvider.get()::getKey));
+      userSession.checkOrganizationPermission(organization.getUuid(), SYSTEM_ADMIN);
+
+      ComponentQuery query = buildQuery(request);
+      Paging paging = buildPaging(dbSession, request, organization, query);
+      List<ComponentDto> components = dbClient.componentDao().selectByQuery(dbSession, organization.getUuid(), query, paging.offset(), paging.pageSize());
+      return buildResponse(components, organization, paging);
+    }
+  }
+
+  private static ComponentQuery buildQuery(SearchWsRequest request) {
+    List<String> qualifiers = request.getQualifiers();
+    return ComponentQuery.builder()
+      .setNameOrKeyQuery(request.getQuery())
+      .setQualifiers(qualifiers.toArray(new String[qualifiers.size()]))
+      .build();
+  }
+
+  private Paging buildPaging(DbSession dbSession, SearchWsRequest request, OrganizationDto organization, ComponentQuery query) {
+    int total = dbClient.componentDao().countByQuery(dbSession, organization.getUuid(), query);
+    return Paging.forPageIndex(request.getPage())
+      .withPageSize(request.getPageSize())
+      .andTotal(total);
+  }
+
+  private static SearchWsResponse buildResponse(List<ComponentDto> components, OrganizationDto organization, Paging paging) {
+    SearchWsResponse.Builder responseBuilder = newBuilder();
+    responseBuilder.getPagingBuilder()
+      .setPageIndex(paging.pageIndex())
+      .setPageSize(paging.pageSize())
+      .setTotal(paging.total())
+      .build();
+
+    components.stream()
+      .map(dto -> dtoToProject(organization, dto))
+      .forEach(responseBuilder::addComponents);
+    return responseBuilder.build();
+  }
+
+  private static Component dtoToProject(OrganizationDto organization, ComponentDto dto) {
+    checkArgument(
+      organization.getUuid().equals(dto.getOrganizationUuid()),
+      "No Organization found for uuid '%s'",
+      dto.getOrganizationUuid());
+
+    Component.Builder builder = Component.newBuilder()
+      .setOrganization(organization.getKey())
+      .setId(dto.uuid())
+      .setKey(dto.key())
+      .setName(dto.name())
+      .setQualifier(dto.qualifier());
+    return builder.build();
+  }
+
+}
diff --git a/server/sonar-server/src/main/resources/org/sonar/server/project/ws/search-example.json b/server/sonar-server/src/main/resources/org/sonar/server/project/ws/search-example.json
new file mode 100644
index 00000000000..fca854523c0
--- /dev/null
+++ b/server/sonar-server/src/main/resources/org/sonar/server/project/ws/search-example.json
@@ -0,0 +1,23 @@
+{
+  "paging": {
+    "pageIndex": 1,
+    "pageSize": 100,
+    "total": 2
+  },
+  "components": [
+    {
+      "organization": "my-org-1",
+      "id": "project-uuid-1",
+      "key": "project-key-1",
+      "name": "Project Name 1",
+      "qualifier": "TRK"
+    },
+    {
+      "organization": "my-org-1",
+      "id": "project-uuid-2",
+      "key": "project-key-2",
+      "name": "Project Name 1",
+      "qualifier": "TRK"
+    }
+  ]
+}
diff --git a/server/sonar-server/src/test/java/org/sonar/server/project/ws/ProjectsWsModuleTest.java b/server/sonar-server/src/test/java/org/sonar/server/project/ws/ProjectsWsModuleTest.java
index e6c03e41ebf..abd0abd5105 100644
--- a/server/sonar-server/src/test/java/org/sonar/server/project/ws/ProjectsWsModuleTest.java
+++ b/server/sonar-server/src/test/java/org/sonar/server/project/ws/ProjectsWsModuleTest.java
@@ -30,6 +30,6 @@ public class ProjectsWsModuleTest {
   public void verify_count_of_added_components() {
     ComponentContainer container = new ComponentContainer();
     new ProjectsWsModule().configure(container);
-    assertThat(container.size()).isEqualTo(COMPONENTS_IN_EMPTY_COMPONENT_CONTAINER + 10);
+    assertThat(container.size()).isEqualTo(COMPONENTS_IN_EMPTY_COMPONENT_CONTAINER + 11);
   }
 }
diff --git a/server/sonar-server/src/test/java/org/sonar/server/project/ws/SearchActionTest.java b/server/sonar-server/src/test/java/org/sonar/server/project/ws/SearchActionTest.java
new file mode 100644
index 00000000000..9b62ee686fd
--- /dev/null
+++ b/server/sonar-server/src/test/java/org/sonar/server/project/ws/SearchActionTest.java
@@ -0,0 +1,292 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2017 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.server.project.ws;
+
+import com.google.common.base.Joiner;
+import com.google.common.base.Throwables;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import org.assertj.core.api.Assertions;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.sonar.api.server.ws.WebService;
+import org.sonar.db.DbTester;
+import org.sonar.db.component.ComponentDto;
+import org.sonar.db.organization.OrganizationDto;
+import org.sonar.server.exceptions.ForbiddenException;
+import org.sonar.server.exceptions.NotFoundException;
+import org.sonar.server.organization.DefaultOrganizationProvider;
+import org.sonar.server.organization.TestDefaultOrganizationProvider;
+import org.sonar.server.tester.UserSessionRule;
+import org.sonar.server.ws.TestRequest;
+import org.sonar.server.ws.WsActionTester;
+import org.sonarqube.ws.MediaTypes;
+import org.sonarqube.ws.WsProjects.SearchWsResponse;
+import org.sonarqube.ws.WsProjects.SearchWsResponse.Component;
+import org.sonarqube.ws.client.component.ComponentsWsParameters;
+import org.sonarqube.ws.client.project.SearchWsRequest;
+
+import static java.util.Arrays.asList;
+import static java.util.Collections.singletonList;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.sonar.api.server.ws.WebService.Param.PAGE;
+import static org.sonar.api.server.ws.WebService.Param.PAGE_SIZE;
+import static org.sonar.api.server.ws.WebService.Param.TEXT_QUERY;
+import static org.sonar.core.permission.GlobalPermissions.QUALITY_PROFILE_ADMIN;
+import static org.sonar.core.permission.GlobalPermissions.SYSTEM_ADMIN;
+import static org.sonar.core.util.Protobuf.setNullable;
+import static org.sonar.db.component.ComponentTesting.newDirectory;
+import static org.sonar.db.component.ComponentTesting.newFileDto;
+import static org.sonar.db.component.ComponentTesting.newModuleDto;
+import static org.sonar.db.component.ComponentTesting.newProjectDto;
+import static org.sonar.db.component.ComponentTesting.newView;
+import static org.sonar.test.JsonAssert.assertJson;
+import static org.sonarqube.ws.MediaTypes.PROTOBUF;
+import static org.sonarqube.ws.client.project.ProjectsWsParameters.PARAM_ORGANIZATION;
+import static org.sonarqube.ws.client.project.ProjectsWsParameters.PARAM_QUALIFIERS;
+
+public class SearchActionTest {
+
+  private static final String PROJECT_KEY_1 = "project1";
+  private static final String PROJECT_KEY_2 = "project2";
+  private static final String PROJECT_KEY_3 = "project3";
+
+  @Rule
+  public ExpectedException expectedException = ExpectedException.none();
+
+  @Rule
+  public UserSessionRule userSession = UserSessionRule.standalone();
+
+  @Rule
+  public DbTester db = DbTester.create();
+
+  private DefaultOrganizationProvider defaultOrganizationProvider = TestDefaultOrganizationProvider.from(db);
+
+  private WsActionTester ws = new WsActionTester(new SearchAction(db.getDbClient(), userSession, defaultOrganizationProvider, new ProjectsWsSupport(db.getDbClient())));
+
+  @Test
+  public void search_by_key_query() throws IOException {
+    userSession.addOrganizationPermission(db.getDefaultOrganization(), SYSTEM_ADMIN);
+    db.components().insertComponents(
+      newProjectDto(db.getDefaultOrganization()).setKey("project-_%-key"),
+      newProjectDto(db.getDefaultOrganization()).setKey("project-key-without-escaped-characters"));
+
+    SearchWsResponse response = call(SearchWsRequest.builder().setQuery("project-_%-key").build());
+
+    assertThat(response.getComponentsList()).extracting(Component::getKey).containsOnly("project-_%-key");
+  }
+
+  @Test
+  public void search_projects_when_no_qualifier_set() throws IOException {
+    userSession.addOrganizationPermission(db.getDefaultOrganization(), SYSTEM_ADMIN);
+    db.components().insertComponents(
+      newProjectDto(db.getDefaultOrganization()).setKey(PROJECT_KEY_1),
+      newView(db.getDefaultOrganization()));
+
+    SearchWsResponse response = call(SearchWsRequest.builder().build());
+
+    assertThat(response.getComponentsList()).extracting(Component::getKey).containsOnly(PROJECT_KEY_1);
+  }
+
+  @Test
+  public void search_projects() throws IOException {
+    userSession.addOrganizationPermission(db.getDefaultOrganization(), SYSTEM_ADMIN);
+    ComponentDto project = newProjectDto(db.getDefaultOrganization()).setKey(PROJECT_KEY_1);
+    ComponentDto module = newModuleDto(project);
+    ComponentDto directory = newDirectory(module, "dir");
+    ComponentDto file = newFileDto(directory);
+    db.components().insertComponents(
+      project, module, directory, file,
+      newProjectDto(db.getDefaultOrganization()).setKey(PROJECT_KEY_2),
+      newView(db.getDefaultOrganization()));
+
+    SearchWsResponse response = call(SearchWsRequest.builder().setQualifiers(singletonList("TRK")).build());
+
+    assertThat(response.getComponentsList()).extracting(Component::getKey).containsOnly(PROJECT_KEY_1, PROJECT_KEY_2);
+  }
+
+  @Test
+  public void search_views() throws IOException {
+    userSession.addOrganizationPermission(db.getDefaultOrganization(), SYSTEM_ADMIN);
+    db.components().insertComponents(
+      newProjectDto(db.getDefaultOrganization()).setKey(PROJECT_KEY_1),
+      newView(db.getDefaultOrganization()).setKey("view1"));
+
+    SearchWsResponse response = call(SearchWsRequest.builder().setQualifiers(singletonList("VW")).build());
+
+    assertThat(response.getComponentsList()).extracting(Component::getKey).containsOnly("view1");
+  }
+
+  @Test
+  public void search_projects_and_views() throws IOException {
+    userSession.addOrganizationPermission(db.getDefaultOrganization(), SYSTEM_ADMIN);
+    db.components().insertComponents(
+      newProjectDto(db.getDefaultOrganization()).setKey(PROJECT_KEY_1),
+      newView(db.getDefaultOrganization()).setKey("view1"));
+
+    SearchWsResponse response = call(SearchWsRequest.builder().setQualifiers(asList("TRK", "VW")).build());
+
+    assertThat(response.getComponentsList()).extracting(Component::getKey).containsOnly(PROJECT_KEY_1, "view1");
+  }
+
+  @Test
+  public void search_on_default_organization_when_no_organization_set() throws IOException {
+    userSession.addOrganizationPermission(db.getDefaultOrganization(), SYSTEM_ADMIN);
+    OrganizationDto otherOrganization = db.organizations().insert();
+    db.components().insertComponents(
+      newProjectDto(db.getDefaultOrganization()).setKey(PROJECT_KEY_1),
+      newProjectDto(db.getDefaultOrganization()).setKey(PROJECT_KEY_2),
+      newProjectDto(otherOrganization).setKey(PROJECT_KEY_3));
+
+    SearchWsResponse response = call(SearchWsRequest.builder().build());
+
+    assertThat(response.getComponentsList()).extracting(Component::getKey).containsOnly(PROJECT_KEY_1, PROJECT_KEY_2);
+  }
+
+  @Test
+  public void search_for_projects_on_given_organization() throws IOException {
+    OrganizationDto organization1 = db.organizations().insert();
+    OrganizationDto organization2 = db.organizations().insert();
+    userSession.addOrganizationPermission(organization1, SYSTEM_ADMIN);
+    ComponentDto project1 = newProjectDto(organization1);
+    ComponentDto project2 = newProjectDto(organization1);
+    ComponentDto project3 = newProjectDto(organization2);
+    db.components().insertComponents(project1, project2, project3);
+
+    SearchWsResponse response = call(SearchWsRequest.builder().setOrganization(organization1.getKey()).build());
+
+    assertThat(response.getComponentsList()).extracting(Component::getKey).containsOnly(project1.key(), project2.key());
+  }
+
+  @Test
+  public void result_is_paginated() throws IOException {
+    userSession.addOrganizationPermission(db.getDefaultOrganization(), SYSTEM_ADMIN);
+    List<ComponentDto> componentDtoList = new ArrayList<>();
+    for (int i = 1; i <= 9; i++) {
+      componentDtoList.add(newProjectDto(db.getDefaultOrganization(), "project-uuid-" + i).setKey("project-key-" + i).setName("Project Name " + i));
+    }
+    db.components().insertComponents(componentDtoList.toArray(new ComponentDto[] {}));
+
+    SearchWsResponse response = call(SearchWsRequest.builder().setPage(2).setPageSize(3).build());
+
+    assertThat(response.getComponentsList()).extracting(Component::getKey).containsExactly("project-key-4", "project-key-5", "project-key-6");
+  }
+
+  @Test
+  public void fail_when_not_system_admin() throws Exception {
+    userSession.addOrganizationPermission(db.getDefaultOrganization(), QUALITY_PROFILE_ADMIN);
+    expectedException.expect(ForbiddenException.class);
+
+    call(SearchWsRequest.builder().build());
+  }
+
+  @Test
+  public void fail_on_unknown_organization() throws Exception {
+    expectedException.expect(NotFoundException.class);
+
+    call(SearchWsRequest.builder().setOrganization("unknown").build());
+  }
+
+  @Test
+  public void fail_on_invalid_qualifier() throws Exception {
+    userSession.addOrganizationPermission(db.getDefaultOrganization(), QUALITY_PROFILE_ADMIN);
+    expectedException.expect(IllegalArgumentException.class);
+    expectedException.expectMessage("Value of parameter 'qualifiers' (BRC) must be one of: [TRK, VW]");
+
+    call(SearchWsRequest.builder().setQualifiers(singletonList("BRC")).build());
+  }
+
+  @Test
+  public void verify_define() {
+    WebService.Action action = ws.getDef();
+    assertThat(action.key()).isEqualTo("search");
+    assertThat(action.isPost()).isFalse();
+    assertThat(action.description()).isEqualTo("Search for projects or views.<br>Requires 'System Administrator' permission");
+    assertThat(action.isInternal()).isTrue();
+    assertThat(action.since()).isEqualTo("6.3");
+    assertThat(action.handler()).isEqualTo(ws.getDef().handler());
+    assertThat(action.params()).hasSize(5);
+    assertThat(action.responseExample()).isEqualTo(getClass().getResource("search-example.json"));
+
+    WebService.Param organization = action.param("organization");
+    Assertions.assertThat(organization.description()).isEqualTo("The key of the organization");
+    Assertions.assertThat(organization.isInternal()).isTrue();
+    Assertions.assertThat(organization.isRequired()).isFalse();
+    Assertions.assertThat(organization.since()).isEqualTo("6.3");
+
+    WebService.Param qParam = action.param("q");
+    assertThat(qParam.isRequired()).isFalse();
+    assertThat(qParam.description()).isEqualTo("Limit search to component names or component keys that contain the supplied string.");
+
+    WebService.Param qualifierParam = action.param("qualifiers");
+    assertThat(qualifierParam.isRequired()).isFalse();
+    assertThat(qualifierParam.description()).isEqualTo("Comma-separated list of component qualifiers. Filter the results with the specified qualifiers");
+    assertThat(qualifierParam.possibleValues()).containsOnly("TRK", "VW");
+    assertThat(qualifierParam.defaultValue()).isEqualTo("TRK");
+
+    WebService.Param pParam = action.param("p");
+    assertThat(pParam.isRequired()).isFalse();
+    assertThat(pParam.defaultValue()).isEqualTo("1");
+    assertThat(pParam.description()).isEqualTo("1-based page number");
+
+    WebService.Param psParam = action.param("ps");
+    assertThat(psParam.isRequired()).isFalse();
+    assertThat(psParam.defaultValue()).isEqualTo("100");
+    assertThat(psParam.description()).isEqualTo("Page size. Must be greater than 0.");
+  }
+
+  @Test
+  public void verify_response_example() throws URISyntaxException, IOException {
+    OrganizationDto organizationDto = db.organizations().insertForKey("my-org-1");
+    userSession.addOrganizationPermission(organizationDto, SYSTEM_ADMIN);
+    db.components().insertComponents(
+      newProjectDto(organizationDto, "project-uuid-1").setName("Project Name 1").setKey("project-key-1"),
+      newProjectDto(organizationDto, "project-uuid-2").setName("Project Name 1").setKey("project-key-2"));
+
+    String response = ws.newRequest()
+      .setMediaType(MediaTypes.JSON)
+      .setParam(PARAM_ORGANIZATION, organizationDto.getKey())
+      .execute().getInput();
+    assertJson(response).isSimilarTo(ws.getDef().responseExampleAsString());
+  }
+
+  private SearchWsResponse call(SearchWsRequest wsRequest) {
+    TestRequest request = ws.newRequest()
+      .setMediaType(PROTOBUF);
+    setNullable(wsRequest.getOrganization(), organization -> request.setParam(PARAM_ORGANIZATION, organization));
+    List<String> qualifiers = wsRequest.getQualifiers();
+    if (!qualifiers.isEmpty()) {
+      request.setParam(ComponentsWsParameters.PARAM_QUALIFIERS, Joiner.on(",").join(qualifiers));
+    }
+    setNullable(wsRequest.getQuery(), query -> request.setParam(TEXT_QUERY, query));
+    setNullable(wsRequest.getPage(), page -> request.setParam(PAGE, String.valueOf(page)));
+    setNullable(wsRequest.getPageSize(), pageSize -> request.setParam(PAGE_SIZE, String.valueOf(pageSize)));
+    try {
+      return SearchWsResponse.parseFrom(request.execute().getInputStream());
+    } catch (IOException e) {
+      throw Throwables.propagate(e);
+    }
+  }
+
+}