ADD week 5

2025-03-31 16:33:42 +02:00
parent 86f265f22d
commit bf645048e6
4927 changed files with 544053 additions and 0 deletions
--- a/02-Easy5/E5/sources/androidx/lifecycle/ViewModel.java
+++ b/02-Easy5/E5/sources/androidx/lifecycle/ViewModel.java
@@ -0,0 +1,111 @@
+package androidx.lifecycle;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.Map;
+import java.util.Set;
+
+/* loaded from: classes.dex */
+public abstract class ViewModel {
+    private final Map<String, Object> mBagOfTags;
+    private volatile boolean mCleared;
+    private final Set<Closeable> mCloseables;
+
+    protected void onCleared() {
+    }
+
+    public ViewModel() {
+        this.mBagOfTags = new HashMap();
+        this.mCloseables = new LinkedHashSet();
+        this.mCleared = false;
+    }
+
+    public ViewModel(Closeable... closeableArr) {
+        this.mBagOfTags = new HashMap();
+        LinkedHashSet linkedHashSet = new LinkedHashSet();
+        this.mCloseables = linkedHashSet;
+        this.mCleared = false;
+        linkedHashSet.addAll(Arrays.asList(closeableArr));
+    }
+
+    public void addCloseable(Closeable closeable) {
+        if (this.mCleared) {
+            closeWithRuntimeException(closeable);
+            return;
+        }
+        Set<Closeable> set = this.mCloseables;
+        if (set != null) {
+            synchronized (set) {
+                this.mCloseables.add(closeable);
+            }
+        }
+    }
+
+    final void clear() {
+        this.mCleared = true;
+        Map<String, Object> map = this.mBagOfTags;
+        if (map != null) {
+            synchronized (map) {
+                Iterator<Object> it = this.mBagOfTags.values().iterator();
+                while (it.hasNext()) {
+                    closeWithRuntimeException(it.next());
+                }
+            }
+        }
+        Set<Closeable> set = this.mCloseables;
+        if (set != null) {
+            synchronized (set) {
+                Iterator<Closeable> it2 = this.mCloseables.iterator();
+                while (it2.hasNext()) {
+                    closeWithRuntimeException(it2.next());
+                }
+            }
+            this.mCloseables.clear();
+        }
+        onCleared();
+    }
+
+    /* JADX WARN: Multi-variable type inference failed */
+    <T> T setTagIfAbsent(String str, T t) {
+        Object obj;
+        synchronized (this.mBagOfTags) {
+            obj = this.mBagOfTags.get(str);
+            if (obj == 0) {
+                this.mBagOfTags.put(str, t);
+            }
+        }
+        if (obj != 0) {
+            t = obj;
+        }
+        if (this.mCleared) {
+            closeWithRuntimeException(t);
+        }
+        return t;
+    }
+
+    <T> T getTag(String str) {
+        T t;
+        Map<String, Object> map = this.mBagOfTags;
+        if (map == null) {
+            return null;
+        }
+        synchronized (map) {
+            t = (T) this.mBagOfTags.get(str);
+        }
+        return t;
+    }
+
+    private static void closeWithRuntimeException(Object obj) {
+        if (obj instanceof Closeable) {
+            try {
+                ((Closeable) obj).close();
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
+}