/**
* Gets the string content of a node via xpath
*
* @param nodeObj
* @param xpath
* @return
*/
private static String getNodeContent(final Object nodeObj, final String xpath) {
Node node = XPath.selectNode(xpath, nodeObj);
if (node == null) {
if (Logger.isDebugEnabled() == true) {
Logger.debug("Could not find node by xpath: " + xpath + " in node: " + nodeObj.toString());
}
return StringUtils.EMPTY;
}
return StringUtils.trimToEmpty(node.getTextContent());
}
/**
* Reads the data from the given node and generates an AmazonResult from it.
*
* @param nodeObj
* @return
*/
private static AmazonResult getResultFromNode(final Object nodeObj) {
Node itemAttrNode = XPath.selectNode("./ItemAttributes", nodeObj);
String title = getNodeContent(itemAttrNode, "./Title");
String copyType = getNodeContent(itemAttrNode, "./Binding");
if (copyTypeMatches.containsKey(copyType) == false) {
if (Logger.isErrorEnabled() == true) {
Logger.error("No copytype matching configured for amazon copytype: " + copyType);
}
return null;
}
copyType = copyTypeMatches.get(copyType);
if (copyType.equals("BLURAY") == true && StringUtils.contains(title, "[Blu-ray 3D]") == true) {
copyType = "BLURAY3D";
}
title = StringUtils.substringBefore(title, "(");
if (CollectionUtils.isEmpty(removeFromTitleList) == false) {
for (String removeFromTitle : removeFromTitleList) {
title = StringUtils.remove(title, removeFromTitle);
}
}
title = StringUtils.trim(title);
String asin = getNodeContent(nodeObj, "./ASIN");
String ean = getNodeContent(itemAttrNode, "./EAN");
String rating = getNodeContent(itemAttrNode, "./AudienceRating");
if (ageRatingMatches.containsKey(rating) == false) {
if (Logger.isErrorEnabled() == true) {
Logger.error("No agerating matching configured for amazon rating: " + rating);
}
} else {
rating = ageRatingMatches.get(rating);
}
final Set<String> audioTypes = new HashSet<String>();
final NodeList audioTypeNodes =
XPath.selectNodes("./Languages/Language[AudioFormat and Type = 'Original']", itemAttrNode);
for (int i = 0; i < audioTypeNodes.getLength(); i++) {
Node langItem = audioTypeNodes.item(i);
final Node nameNode = XPath.selectNode("./Name", langItem);
final Node formatNode = XPath.selectNode("./AudioFormat", langItem);
String audioType = StringUtils.EMPTY;
if (nameNode != null && StringUtils.isEmpty(nameNode.getTextContent()) == false) {
audioType = nameNode.getTextContent();
}
if (formatNode != null && StringUtils.isEmpty(formatNode.getTextContent()) == false) {
if (StringUtils.isEmpty(audioType) == false) {
audioType += " - ";
}
audioType += formatNode.getTextContent();
}
audioTypes.add(audioType);
}
final NodeList otherLanguageNodes =
XPath.selectNodes("./Languages/Language[Type = 'Published']/Name", itemAttrNode);
for (int i = 0; i < otherLanguageNodes.getLength(); i++) {
String language = otherLanguageNodes.item(i).getTextContent();
// check if the language is already known :)
boolean alreadyKnown = false;
for (final String audioType : audioTypes) {
if (StringUtils.startsWithIgnoreCase(audioType, language) == true) {
alreadyKnown = true;
break;
}
}
if (alreadyKnown == false) {
audioTypes.add(language);
}
}
final String imageUrl = getNodeContent(nodeObj, "./MediumImage/URL");
final AmazonResult result =
new AmazonResult(title, rating, copyType, asin, ean, audioTypes, imageUrl);
return result;
}