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MoatBuyerTagXmlManager.java
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MoatBuyerTagXmlManager.java
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package com.mopub.mobileads;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import com.mopub.common.Preconditions;
import com.mopub.mobileads.util.XmlUtils;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Set;
/**
* Data Object for Moat's VAST Custom Extension.
*/
class MoatBuyerTagXmlManager {
// Elements
private static final String VIEWABLE_IMPRESSION = "ViewableImpression";
// Attributes
private static final String ID = "id";
private final List<Node> mMoatVerificationNodes;
MoatBuyerTagXmlManager(@NonNull final List<Node> moatVerificationNodes) {
Preconditions.checkNotNull(moatVerificationNodes);
mMoatVerificationNodes = moatVerificationNodes;
}
/**
* Return the corresponding impression pixels for Moat-related Verification nodes.
*
* Expected Extension node:
* <Extension>
* <AdVerifications>
* <Verification vendor="Moat">
* <ViewableImpression id="${BUYER_AD_SERVER_MACRO[S]}">
* <![CDATA[
* https://px.moatads.com/pixel.gif?moatPartnerCode=${MOAT_PARTNER_CODE}
* ]]
* </ViewableImpression>
* </Verification>
* </AdVerifications>
* </Extension>
*
* @return Collection of impression pixel tags in string form, i.e.
* <ViewableImpression id="${BUYER_AD_SERVER_MACRO[S]}">
* <![CDATA[https://px.moatads.com/pixel.gif?moatPartnerCode=${MOAT_PARTNER_CODE}]]
* </ViewableImpression>
*/
@NonNull
Set<String> getImpressionPixelsXml() {
final Set<String> impressionPixelsXml = new HashSet<String>();
for (final Node verification : mMoatVerificationNodes) {
if (verification == null) {
continue;
}
final Node viewableImpression = XmlUtils.getFirstMatchingChildNode(verification,
VIEWABLE_IMPRESSION);
final String viewableImpressionXml = getViewableImpressionXml(viewableImpression);
if (viewableImpressionXml != null) {
impressionPixelsXml.add(viewableImpressionXml);
}
}
return impressionPixelsXml;
}
@Nullable
private String getViewableImpressionXml(@Nullable final Node viewableImpression) {
if (viewableImpression == null || !viewableImpression.hasAttributes()) {
return null;
}
final String idAttribute = XmlUtils.getAttributeValue(viewableImpression, ID);
final String content = XmlUtils.getNodeValue(viewableImpression);
return String.format(Locale.US,
"<ViewableImpression id=\"%s\"><![CDATA[%s]]</ViewableImpression>",
idAttribute, content);
}
}