com.android.manifmerger.PlaceholderEncoder Maven / Gradle / Ivy
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/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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.android.manifmerger;
import com.android.annotations.NonNull;
import java.util.regex.Matcher;
/**
* encode all non resolved placeholders key names.
*/
public class PlaceholderEncoder {
/**
* Visits a document's entire tree and check each attribute for a placeholder existence.
* If one is found, encode its name so tools like aapt will not object invalid characters and
* such.
*
*
* @param xmlDocument the xml document to visit
*/
public static void visit(@NonNull XmlDocument xmlDocument) {
visit(xmlDocument.getRootNode());
}
private static void visit(@NonNull XmlElement xmlElement) {
for (XmlAttribute xmlAttribute : xmlElement.getAttributes()) {
Matcher matcher = PlaceholderHandler.PATTERN.matcher(xmlAttribute.getValue());
if (matcher.matches()) {
String encodedValue = "dollar_openBracket_" + matcher.group(2) + "_closeBracket";
xmlAttribute.getXml().setValue(encodedValue);
}
}
for (XmlElement childElement : xmlElement.getMergeableElements()) {
visit(childElement);
}
}
}