@Override
protected JSONObject doInBackground(String... args) {
try {
// These return a JSON result which describes if and where the query was found. This API may
// break or disappear at any time in the future. Since this is an API call rather than a
// website, we don't use LocaleManager to change the TLD.
String theQuery = args[0];
String theIsbn = args[1];
String uri;
if (LocaleManager.isBookSearchUrl(theIsbn)) {
int equals = theIsbn.indexOf('=');
String volumeId = theIsbn.substring(equals + 1);
uri =
"http://www.google.com/books?id="
+ volumeId
+ "&jscmd=SearchWithinVolume2&q="
+ theQuery;
} else {
uri =
"http://www.google.com/books?vid=isbn"
+ theIsbn
+ "&jscmd=SearchWithinVolume2&q="
+ theQuery;
}
CharSequence content = HttpHelper.downloadViaHttp(uri, HttpHelper.ContentType.JSON);
return new JSONObject(content.toString());
} catch (IOException ioe) {
Log.w(TAG, "Error accessing book search", ioe);
return null;
} catch (JSONException je) {
Log.w(TAG, "Error accessing book search", je);
return null;
}
}
@Override
void retrieveSupplementalInfo() throws IOException {
CharSequence contents =
HttpHelper.downloadViaHttp(
"https://www.googleapis.com/books/v1/volumes?q=isbn:" + isbn,
HttpHelper.ContentType.JSON);
if (contents.length() == 0) {
return;
}
String title;
String pages;
Collection<String> authors = null;
try {
JSONObject topLevel = (JSONObject) new JSONTokener(contents.toString()).nextValue();
JSONArray items = topLevel.optJSONArray("items");
if (items == null || items.isNull(0)) {
return;
}
JSONObject volumeInfo = ((JSONObject) items.get(0)).getJSONObject("volumeInfo");
if (volumeInfo == null) {
return;
}
title = volumeInfo.optString("title");
pages = volumeInfo.optString("pageCount");
JSONArray authorsArray = volumeInfo.optJSONArray("authors");
if (authorsArray != null && !authorsArray.isNull(0)) {
authors = new ArrayList<String>(authorsArray.length());
for (int i = 0; i < authorsArray.length(); i++) {
authors.add(authorsArray.getString(i));
}
}
} catch (JSONException e) {
throw new IOException(e.toString());
}
Collection<String> newTexts = new ArrayList<String>();
maybeAddText(title, newTexts);
maybeAddTextSeries(authors, newTexts);
maybeAddText(pages == null || pages.length() == 0 ? null : pages + "pp.", newTexts);
String baseBookUri =
"http://www.google."
+ LocaleManager.getBookSearchCountryTLD(context)
+ "/search?tbm=bks&source=zxing&q=";
append(isbn, source, newTexts.toArray(new String[newTexts.size()]), baseBookUri + isbn);
}
@Override
void retrieveSupplementalInfo() throws IOException {
URI oldURI;
try {
oldURI = new URI(result.getURI());
} catch (URISyntaxException e) {
return;
}
URI newURI = HttpHelper.unredirect(oldURI);
int count = 0;
while (count++ < MAX_REDIRECTS && !oldURI.equals(newURI)) {
append(
result.getDisplayResult(),
null,
new String[] {redirectString + " : " + newURI},
newURI.toString());
oldURI = newURI;
newURI = HttpHelper.unredirect(newURI);
}
}
@Override
void retrieveSupplementalInfo() throws IOException, InterruptedException {
String encodedProductID = URLEncoder.encode(productID, "UTF-8");
String uri = BASE_PRODUCT_URI + encodedProductID;
String content = HttpHelper.downloadViaHttp(uri, HttpHelper.ContentType.HTML);
Matcher matcher = PRODUCT_NAME_PRICE_PATTERN.matcher(content);
if (matcher.find()) {
append(
productID,
source,
new String[] {unescapeHTML(matcher.group(1)), unescapeHTML(matcher.group(2))},
uri);
}
}
@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;
}
}
}
@Override
void retrieveSupplementalInfo() throws IOException {
CharSequence contents =
HttpHelper.downloadViaHttp(
"https://bsplus.srowen.com/ss?c=" + country + "&t=" + type + "&i=" + productID,
HttpHelper.ContentType.XML);
String detailPageURL = null;
Collection<String> authors = new ArrayList<String>();
String title = null;
String formattedNewPrice = null;
String formattedUsedPrice = null;
boolean error = false;
try {
XmlPullParser xpp = buildParser(contents);
boolean seenItem = false;
boolean seenLowestNewPrice = false;
boolean seenLowestUsedPrice = false;
for (int eventType = xpp.getEventType();
eventType != XmlPullParser.END_DOCUMENT;
eventType = xpp.next()) {
if (eventType == XmlPullParser.START_TAG) {
String name = xpp.getName();
if ("Item".equals(name)) {
if (seenItem) {
break;
} else {
seenItem = true;
}
} else if ("DetailPageURL".equals(name)) {
assertTextNext(xpp);
detailPageURL = xpp.getText();
} else if ("Author".equals(name)) {
assertTextNext(xpp);
authors.add(xpp.getText());
} else if ("Title".equals(name)) {
assertTextNext(xpp);
title = xpp.getText();
} else if ("LowestNewPrice".equals(name)) {
seenLowestNewPrice = true;
seenLowestUsedPrice = false;
} else if ("LowestUsedPrice".equals(name)) {
seenLowestNewPrice = false;
seenLowestUsedPrice = true;
} else if ("FormattedPrice".equals(name)) {
if (seenLowestNewPrice || seenLowestUsedPrice) {
assertTextNext(xpp);
String theText = xpp.getText();
if (seenLowestNewPrice) {
formattedNewPrice = theText;
} else {
formattedUsedPrice = theText;
}
seenLowestNewPrice = false;
seenLowestUsedPrice = false;
}
} else if ("Errors".equals(name)) {
error = true;
break;
}
}
}
} catch (XmlPullParserException xppe) {
throw new IOException(xppe.toString());
}
if (error || detailPageURL == null) {
return;
}
Collection<String> newTexts = new ArrayList<String>();
maybeAddText(title, newTexts);
maybeAddTextSeries(authors, newTexts);
if (formattedNewPrice != null) {
maybeAddText(formattedNewPrice, newTexts);
} else if (formattedUsedPrice != null) {
maybeAddText(formattedUsedPrice, newTexts);
}
append(productID, "Amazon", newTexts.toArray(new String[newTexts.size()]), detailPageURL);
}
