1 package com.android.test.hierarchyviewer; 2 3 import java.nio.ByteBuffer; 4 import java.util.ArrayList; 5 import java.util.HashMap; 6 import java.util.List; 7 import java.util.Locale; 8 import java.util.Map; 9 10 public class ViewDumpParser { 11 private Map<String, Short> mIds; 12 private List<Map<Short,Object>> mViews; 13 14 public void parse(byte[] data) { 15 Decoder d = new Decoder(ByteBuffer.wrap(data)); 16 17 mViews = new ArrayList<>(100); 18 while (d.hasRemaining()) { 19 Object o = d.readObject(); 20 if (o instanceof Map) { 21 //noinspection unchecked 22 mViews.add((Map<Short, Object>) o); 23 } 24 } 25 26 if (mViews.isEmpty()) { 27 return; 28 } 29 30 // the last one is the property map 31 Map<Short,Object> idMap = mViews.remove(mViews.size() - 1); 32 mIds = reverse(idMap); 33 } 34 35 public String getFirstView() { 36 if (mViews.isEmpty()) { 37 return null; 38 } 39 40 Map<Short, Object> props = mViews.get(0); 41 Object name = getProperty(props, "__name__"); 42 Object hash = getProperty(props, "__hash__"); 43 44 if (name instanceof String && hash instanceof Integer) { 45 return String.format(Locale.US, "%s@%x", name, hash); 46 } else { 47 return null; 48 } 49 } 50 51 private Object getProperty(Map<Short, Object> props, String key) { 52 return props.get(mIds.get(key)); 53 } 54 55 private static Map<String, Short> reverse(Map<Short, Object> m) { 56 Map<String, Short> r = new HashMap<String, Short>(m.size()); 57 58 for (Map.Entry<Short, Object> e : m.entrySet()) { 59 r.put((String)e.getValue(), e.getKey()); 60 } 61 62 return r; 63 } 64 65 public List<Map<Short, Object>> getViews() { 66 return mViews; 67 } 68 69 public Map<String, Short> getIds() { 70 return mIds; 71 } 72 73 } 74
