99 lines
3.5 KiB
Java
99 lines
3.5 KiB
Java
/*
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* Copyright (C) 2013-2017 microG Project Team
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.microg.nlp.geocode;
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import android.content.Context;
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import android.content.Intent;
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import android.location.Address;
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import org.microg.nlp.Preferences;
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import java.util.ArrayList;
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import java.util.List;
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import static org.microg.nlp.api.Constants.ACTION_GEOCODER_BACKEND;
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class BackendFuser {
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private final List<BackendHelper> backendHelpers = new ArrayList<BackendHelper>();
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private final Context context;
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public BackendFuser(Context context) {
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this.context = context;
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reset();
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}
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public void bind() {
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for (BackendHelper backendHelper : backendHelpers) {
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backendHelper.bind();
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}
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}
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public void unbind() {
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for (BackendHelper backendHelper : backendHelpers) {
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backendHelper.unbind();
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}
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}
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public List<Address> getFromLocation(double latitude, double longitude, int maxResults,
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String locale) {
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if (backendHelpers.isEmpty())
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return null;
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ArrayList<Address> result = new ArrayList<Address>();
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for (BackendHelper backendHelper : backendHelpers) {
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List<Address> backendResult = backendHelper
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.getFromLocation(latitude, longitude, maxResults, locale);
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if (backendResult != null) {
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result.addAll(backendResult);
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}
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}
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return result;
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}
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public List<Address> getFromLocationName(String locationName, int maxResults,
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double lowerLeftLatitude, double lowerLeftLongitude,
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double upperRightLatitude, double upperRightLongitude,
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String locale) {
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if (backendHelpers.isEmpty())
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return null;
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ArrayList<Address> result = new ArrayList<Address>();
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for (BackendHelper backendHelper : backendHelpers) {
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List<Address> backendResult = backendHelper
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.getFromLocationName(locationName, maxResults, lowerLeftLatitude,
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lowerLeftLongitude, upperRightLatitude, upperRightLongitude, locale);
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if (backendResult != null) {
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result.addAll(backendResult);
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}
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}
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return result;
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}
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public void reset() {
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unbind();
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backendHelpers.clear();
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for (String backend : Preferences
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.splitBackendString(new Preferences(context).getGeocoderBackends())) {
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String[] parts = backend.split("/");
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if (parts.length >= 2) {
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Intent intent = new Intent(ACTION_GEOCODER_BACKEND);
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intent.setPackage(parts[0]);
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intent.setClassName(parts[0], parts[1]);
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backendHelpers.add(new BackendHelper(context, intent, parts.length >= 3 ? parts[2] : null));
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}
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}
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}
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}
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