--- jsr166/src/main/java/util/Vector.java 2016/12/08 05:01:42 1.41
+++ jsr166/src/main/java/util/Vector.java 2018/05/22 15:51:31 1.51
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1994, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1994, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,9 @@
package java.util;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.StreamCorruptedException;
import java.util.function.Consumer;
import java.util.function.Predicate;
import java.util.function.UnaryOperator;
@@ -70,7 +73,7 @@ import java.util.function.UnaryOperator;
*
*
As of the Java 2 platform v1.2, this class was retrofitted to
* implement the {@link List} interface, making it a member of the
- *
+ *
* Java Collections Framework. Unlike the new collection
* implementations, {@code Vector} is synchronized. If a thread-safe
* implementation is not needed, it is recommended to use {@link
@@ -307,8 +310,9 @@ public class Vector
if (newSize > elementData.length)
grow(newSize);
final Object[] es = elementData;
- for (int to = elementCount, i = elementCount = newSize; i < to; i++)
+ for (int to = elementCount, i = newSize; i < to; i++)
es[i] = null;
+ elementCount = newSize;
}
/**
@@ -1026,7 +1030,6 @@ public class Vector
setBit(deathRow, i - beg);
if (modCount != expectedModCount)
throw new ConcurrentModificationException();
- expectedModCount++;
modCount++;
int w = beg;
for (i = beg; i < end; i++)
@@ -1177,6 +1180,29 @@ public class Vector
}
/**
+ * Loads a {@code Vector} instance from a stream
+ * (that is, deserializes it).
+ * This method performs checks to ensure the consistency
+ * of the fields.
+ *
+ * @param in the stream
+ * @throws java.io.IOException if an I/O error occurs
+ * @throws ClassNotFoundException if the stream contains data
+ * of a non-existing class
+ */
+ private void readObject(ObjectInputStream in)
+ throws IOException, ClassNotFoundException {
+ ObjectInputStream.GetField gfields = in.readFields();
+ int count = gfields.get("elementCount", 0);
+ Object[] data = (Object[])gfields.get("elementData", null);
+ if (count < 0 || data == null || count > data.length) {
+ throw new StreamCorruptedException("Inconsistent vector internals");
+ }
+ elementCount = count;
+ elementData = data.clone();
+ }
+
+ /**
* Saves the state of the {@code Vector} instance to a stream
* (that is, serializes it).
* This method performs synchronization to ensure the consistency
@@ -1425,7 +1451,7 @@ public class Vector
private int fence; // -1 until used; then one past last index
private int expectedModCount; // initialized when fence set
- /** Create new spliterator covering the given range */
+ /** Creates new spliterator covering the given range. */
VectorSpliterator(Object[] array, int origin, int fence,
int expectedModCount) {
this.array = array;
@@ -1454,9 +1480,8 @@ public class Vector
@SuppressWarnings("unchecked")
public boolean tryAdvance(Consumer super E> action) {
+ Objects.requireNonNull(action);
int i;
- if (action == null)
- throw new NullPointerException();
if (getFence() > (i = index)) {
index = i + 1;
action.accept((E)array[i]);
@@ -1469,8 +1494,7 @@ public class Vector
@SuppressWarnings("unchecked")
public void forEachRemaining(Consumer super E> action) {
- if (action == null)
- throw new NullPointerException();
+ Objects.requireNonNull(action);
final int hi = getFence();
final Object[] a = array;
int i;