Android Open Source - final_app Product Result Info Retriever

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CC0 1.0 Universal Statement of Purpose The laws of most jurisdictions throughout the world automatically confer exclusive Copyright and Related Rights (defined below) upon the creator and subsequent...

Java Source Code

/*
 * Copyright (C) 2010 ZXing authors//w w w. j  a va  2  s  .co m
 *
 * 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.zxing.client.android.result.supplement;

import java.io.IOException;
import java.net.URLEncoder;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import android.content.Context;
import android.text.Html;
import android.widget.TextView;

import com.google.zxing.client.android.HttpHelper;
import com.google.zxing.client.android.LocaleManager;
import com.google.zxing.client.android.R;
import com.google.zxing.client.android.history.HistoryManager;

/**
 * <p>
 * Retrieves product information from Google Product search.
 * </p>
 * 
 * <p>
 * <strong>Please do not reuse this code.</strong> Using results in this way requires permission from Google, and that is not granted to users via
 * this project.
 * </p>
 * 
 * @author Sean Owen
 */
final class ProductResultInfoRetriever extends SupplementalInfoRetriever {

  private static final Pattern[] PRODUCT_NAME_PRICE_PATTERNS = { Pattern.compile(",event\\)\">([^<]+)</a></h3>.+<span class=psrp>([^<]+)</span>"),
      Pattern.compile("owb63p\">([^<]+).+zdi3pb\">([^<]+)"), };

  private final String productID;
  private final String source;
  private final Context context;

  ProductResultInfoRetriever(TextView textView, String productID, HistoryManager historyManager, Context context) {
    super(textView, historyManager);
    this.productID = productID;
    this.source = context.getString(R.string.msg_google_product);
    this.context = context;
  }

  @Override
  void retrieveSupplementalInfo() throws IOException {

    String encodedProductID = URLEncoder.encode(productID, "UTF-8");
    String uri = "http://www.google." + LocaleManager.getProductSearchCountryTLD(context)
        + "/m/products?ie=utf8&oe=utf8&scoring=p&source=zxing&q=" + encodedProductID;
    CharSequence content = HttpHelper.downloadViaHttp(uri, HttpHelper.ContentType.HTML);

    for (Pattern p : PRODUCT_NAME_PRICE_PATTERNS) {
      Matcher matcher = p.matcher(content);
      if (matcher.find()) {
        append(productID, source, new String[] { unescapeHTML(matcher.group(1)), unescapeHTML(matcher.group(2)) }, uri);
        break;
      }
    }
  }

  private static String unescapeHTML(String raw) {
    return Html.fromHtml(raw).toString();
  }

}

Java Source Code List

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