/**
* shorten recursively all attributes that are package dependent of the passed nodes and all its
* child nodes.
*
* @param packageName the manifest package name.
* @param xmlElement the xml element to process recursively.
*/
private void extractFcqns(String packageName, XmlElement xmlElement) {
for (XmlAttribute xmlAttribute : xmlElement.getAttributes()) {
if (xmlAttribute.getModel() != null && xmlAttribute.getModel().isPackageDependent()) {
String value = xmlAttribute.getValue();
if (value != null
&& value.startsWith(packageName)
&& value.charAt(packageName.length()) == '.') {
xmlAttribute.getXml().setValue(value.substring(packageName.length()));
}
}
}
for (XmlElement child : xmlElement.getMergeableElements()) {
extractFcqns(packageName, child);
}
}
private void visit(
@NonNull ManifestMerger2.MergeType mergeType,
@NonNull XmlElement xmlElement,
@NonNull KeyBasedValueResolver<String> valueProvider,
@NonNull MergingReport.Builder mergingReportBuilder) {
for (XmlAttribute xmlAttribute : xmlElement.getAttributes()) {
StringBuilder resultString = new StringBuilder();
String inputString = xmlAttribute.getValue();
Matcher matcher = PATTERN.matcher(inputString);
if (matcher.matches()) {
while (matcher.matches()) {
String placeholderValue = valueProvider.getValue(matcher.group(2));
// whatever precedes the placeholder key is added back to the string.
resultString.append(matcher.group(1));
if (placeholderValue == null) {
// if this is a library, ignore the failure
MergingReport.Record.Severity severity =
mergeType == ManifestMerger2.MergeType.LIBRARY
? MergingReport.Record.Severity.INFO
: MergingReport.Record.Severity.ERROR;
xmlAttribute.addMessage(
mergingReportBuilder,
severity,
String.format(
"Attribute %1$s at %2$s requires a placeholder substitution"
+ " but no value for <%3$s> is provided.",
xmlAttribute.getId(), xmlAttribute.printPosition(), matcher.group(2)));
// we add back the placeholder key, since this is not an error for libraries
resultString.append("${");
resultString.append(matcher.group(2));
resultString.append("}");
} else {
// record the attribute set
mergingReportBuilder
.getActionRecorder()
.recordAttributeAction(
xmlAttribute,
PositionImpl.UNKNOWN,
Actions.ActionType.INJECTED,
null /* attributeOperationType */);
// substitute the placeholder key with its value.
resultString.append(placeholderValue);
}
// the new input string is the tail of the previous match, as it may contain
// more placeholders to substitute.
inputString = matcher.group(3);
// reset the pattern matching with that new string to test for more placeholders
matcher = PATTERN.matcher(inputString);
}
// append the last remainder (without placeholders) in the result string.
resultString.append(inputString);
xmlAttribute.getXml().setValue(resultString.toString());
}
}
for (XmlElement childElement : xmlElement.getMergeableElements()) {
visit(mergeType, childElement, valueProvider, mergingReportBuilder);
}
}