SearchEngines.java revision f3174a588cdf63ef59055998c23aad4b36b7856e 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.browser.search;
17
18import com.android.browser.R;
19
20import android.content.Context;
21import android.content.res.Resources;
22import android.text.TextUtils;
23import android.util.Log;
24
25import java.util.ArrayList;
26import java.util.List;
27
28public class SearchEngines {
29
30    private static final String TAG = "SearchEngines";
31
32    public static SearchEngine getDefaultSearchEngine(Context context) {
33        return DefaultSearchEngine.create(context);
34    }
35
36    public static List<SearchEngineInfo> getSearchEngineInfos(Context context) {
37        ArrayList<SearchEngineInfo> searchEngineInfos = new ArrayList<SearchEngineInfo>();
38        Resources res = context.getResources();
39        String[] searchEngines = res.getStringArray(R.array.search_engines);
40        for (int i = 0; i < searchEngines.length; i++) {
41            String name = searchEngines[i];
42            SearchEngineInfo info = new SearchEngineInfo(context, name);
43            searchEngineInfos.add(info);
44        }
45        return searchEngineInfos;
46    }
47
48    public static SearchEngine get(Context context, String name) {
49        // TODO: cache
50        SearchEngine defaultSearchEngine = getDefaultSearchEngine(context);
51        if (TextUtils.isEmpty(name)
52                || (defaultSearchEngine != null && name.equals(defaultSearchEngine.getName()))) {
53            return defaultSearchEngine;
54        }
55        SearchEngineInfo searchEngineInfo = getSearchEngineInfo(context, name);
56        if (searchEngineInfo == null) return defaultSearchEngine;
57        return new OpenSearchSearchEngine(context, searchEngineInfo);
58    }
59
60    public static SearchEngineInfo getSearchEngineInfo(Context context, String name) {
61        try {
62            return new SearchEngineInfo(context, name);
63        } catch (IllegalArgumentException exception) {
64            Log.e(TAG, "Cannot load search engine " + name, exception);
65            return null;
66        }
67    }
68
69}
70