| // 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.client.changes; |
| |
| import com.google.gerrit.client.info.ChangeInfo; |
| import com.google.gerrit.client.rpc.RestApi; |
| import com.google.gerrit.extensions.client.ListChangesOption; |
| import com.google.gwt.core.client.JsArray; |
| import com.google.gwt.user.client.rpc.AsyncCallback; |
| import com.google.gwtorm.client.KeyUtil; |
| import java.util.Set; |
| |
| /** List of changes available from {@code /changes/}. */ |
| public class ChangeList extends JsArray<ChangeInfo> { |
| private static final String URI = "/changes/"; |
| |
| /** Run multiple queries in a single remote invocation. */ |
| public static void queryMultiple( |
| final AsyncCallback<JsArray<ChangeList>> callback, |
| Set<ListChangesOption> options, |
| String... queries) { |
| if (queries.length == 0) { |
| return; |
| } |
| RestApi call = new RestApi(URI); |
| for (String q : queries) { |
| call.addParameterRaw("q", KeyUtil.encode(q)); |
| } |
| addOptions(call, options); |
| if (queries.length == 1) { |
| // Server unwraps a single query, so wrap it back in an array for the |
| // callback. |
| call.get( |
| new AsyncCallback<ChangeList>() { |
| @Override |
| public void onSuccess(ChangeList result) { |
| JsArray<ChangeList> wrapped = JsArray.createArray(1).cast(); |
| wrapped.set(0, result); |
| callback.onSuccess(wrapped); |
| } |
| |
| @Override |
| public void onFailure(Throwable caught) { |
| callback.onFailure(caught); |
| } |
| }); |
| } else { |
| call.get(callback); |
| } |
| } |
| |
| public static void query( |
| String query, Set<ListChangesOption> options, AsyncCallback<ChangeList> callback) { |
| query(query, options, callback, 0, 0); |
| } |
| |
| public static void query( |
| String query, |
| Set<ListChangesOption> options, |
| AsyncCallback<ChangeList> callback, |
| int start, |
| int limit) { |
| RestApi call = newQuery(query); |
| if (limit > 0) { |
| call.addParameter("n", limit); |
| } |
| addOptions(call, options); |
| if (start != 0) { |
| call.addParameter("S", start); |
| } |
| call.get(callback); |
| } |
| |
| public static void addOptions(RestApi call, Set<ListChangesOption> s) { |
| call.addParameterRaw("O", Integer.toHexString(ListChangesOption.toBits(s))); |
| } |
| |
| private static RestApi newQuery(String query) { |
| RestApi call = new RestApi(URI); |
| // The server default is ?q=status:open so don't repeat it. |
| if (!"status:open".equals(query) && !"is:open".equals(query)) { |
| call.addParameterRaw("q", KeyUtil.encode(query)); |
| } |
| return call; |
| } |
| |
| protected ChangeList() {} |
| } |