com.android.dialer.lookup.dastelefonbuch.TelefonbuchApi.java Source code

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Here is the source code for com.android.dialer.lookup.dastelefonbuch.TelefonbuchApi.java

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/*
 * Copyright (C) 2014 Danny Baumann <dannybaumann@web.de>
 *
 * 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.android.dialer.lookup.dastelefonbuch;

import android.content.Context;
import android.net.Uri;

import com.android.dialer.lookup.LookupUtils;

import org.apache.http.client.methods.HttpGet;

import java.io.IOException;

public class TelefonbuchApi {
    private static final String TAG = TelefonbuchApi.class.getSimpleName();

    private static final String REVERSE_LOOKUP_URL = "http://www.dastelefonbuch.de/?s=a20000"
            + "&cmd=search&sort_ok=0&sp=55&vert_ok=0&aktion=23";

    private static String NAME_REGEX = "<a id=\"name0.*?>\\s*\n?(.*?)\n?\\s*</a>";
    private static String NUMBER_REGEX = "<span\\s+class=\"ico fon.*>.*<span>(.*?)</span><br/>";
    private static String ADDRESS_REGEX = "<address.*?>\n?(.*?)</address>";

    private TelefonbuchApi() {
    }

    public static ContactInfo reverseLookup(Context context, String number) throws IOException {
        Uri uri = Uri.parse(REVERSE_LOOKUP_URL).buildUpon().appendQueryParameter("kw", number).build();
        // Cut out everything we're not interested in (scripts etc.) to
        // speed up the subsequent matching.
        String output = LookupUtils.firstRegexResult(LookupUtils.httpGet(new HttpGet(uri.toString())),
                ": Treffer(.*)Ende Treffer", true);

        String name = parseValue(output, NAME_REGEX, true, false);
        if (name == null) {
            return null;
        }

        String phoneNumber = parseValue(output, NUMBER_REGEX, false, true);
        String address = parseValue(output, ADDRESS_REGEX, true, true);

        ContactInfo info = new ContactInfo();
        info.name = name;
        info.address = address;
        info.formattedNumber = phoneNumber != null ? phoneNumber : number;
        info.website = uri.toString();

        return info;
    }

    private static String parseValue(String output, String regex, boolean dotall, boolean removeSpans) {
        String result = LookupUtils.firstRegexResult(output, regex, dotall);
        if (result != null && removeSpans) {
            // completely remove hidden spans (including contents) ...
            result = result.replaceAll("<span class=\"hide\".*?\\/span>", "");
            // ... and remove span wrappers around data content
            result = result.replaceAll("</?span.*?>", "");
        }
        return LookupUtils.fromHtml(result);
    }

    public static class ContactInfo {
        String name;
        String address;
        String formattedNumber;
        String website;
    }
}