Merge "Deep copy arguments to avoid accidental mutation." into rvc-dev am:...

import java.io.FileNotFoundException;

import java.io.PrintStream;

import java.text.Collator;

import java.util.Arrays;

import java.util.HashMap;

import java.util.Locale;

import java.util.Map;

        return res.toString();

    }

    /**

     * Make a deep copy of the given argument list, ensuring that the returned

     * value is completely isolated from any changes to the original arguments.

     *

     * @hide

     */

    public static @Nullable Object[] deepCopyOf(@Nullable Object[] args) {

        if (args == null) return null;

        final Object[] res = new Object[args.length];

        for (int i = 0; i < args.length; i++) {

            final Object arg = args[i];

            if ((arg == null) || (arg instanceof Number) || (arg instanceof String)) {

                // When the argument is immutable, we can copy by reference

                res[i] = arg;

            } else if (arg instanceof byte[]) {

                // Need to deep copy blobs

                final byte[] castArg = (byte[]) arg;

                res[i] = Arrays.copyOf(castArg, castArg.length);

            } else {

                // Convert everything else to string, making it immutable

                res[i] = String.valueOf(arg);

            }

        }

        return res;

    }

    /**

     * Returns data type of the given object's value.

     *<p>

            throws SQLException {

        Objects.requireNonNull(sql);

        // Copy arguments to ensure that the caller doesn't accidentally change

        // the values used by future connections

        bindArgs = DatabaseUtils.deepCopyOf(bindArgs);

        synchronized (mLock) {

            throwIfNotOpenLocked();