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package com.android.test.hierarchyviewer;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
public class ViewDumpParser {
private Map<String, Short> mIds;
private List<Map<Short,Object>> mViews;
public void parse(byte[] data) {
Decoder d = new Decoder(ByteBuffer.wrap(data));
mViews = new ArrayList<>(100);
boolean dataIncludesWindowPosition = (data[0] == 'S');
Short windowLeftKey = null, windowTopKey = null;
Integer windowLeftValue = null, windowTopValue = null;
if (dataIncludesWindowPosition) {
windowLeftKey = (Short) d.readObject();
windowLeftValue = (Integer) d.readObject();
windowTopKey = (Short) d.readObject();
windowTopValue = (Integer) d.readObject();
}
while (d.hasRemaining()) {
Object o = d.readObject();
if (o instanceof Map) {
//noinspection unchecked
mViews.add((Map<Short, Object>) o);
}
}
if (mViews.isEmpty()) {
return;
}
if (dataIncludesWindowPosition) {
mViews.get(0).put(windowLeftKey, windowLeftValue);
mViews.get(0).put(windowTopKey, windowTopValue);
}
// the last one is the property map
Map<Short,Object> idMap = mViews.remove(mViews.size() - 1);
mIds = reverse(idMap);
}
public String getFirstView() {
if (mViews.isEmpty()) {
return null;
}
Map<Short, Object> props = mViews.get(0);
Object name = getProperty(props, "__name__");
Object hash = getProperty(props, "__hash__");
if (name instanceof String && hash instanceof Integer) {
return String.format(Locale.US, "%s@%x", name, hash);
} else {
return null;
}
}
private Object getProperty(Map<Short, Object> props, String key) {
return props.get(mIds.get(key));
}
private static Map<String, Short> reverse(Map<Short, Object> m) {
Map<String, Short> r = new HashMap<String, Short>(m.size());
for (Map.Entry<Short, Object> e : m.entrySet()) {
r.put((String)e.getValue(), e.getKey());
}
return r;
}
public List<Map<Short, Object>> getViews() {
return mViews;
}
public Map<String, Short> getIds() {
return mIds;
}
}
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