387 lines
15 KiB
Java
387 lines
15 KiB
Java
package io.flutter.plugin.common;
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import com.google.common.primitives.UnsignedBytes;
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import java.io.ByteArrayOutputStream;
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import java.math.BigInteger;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.charset.Charset;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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/* loaded from: classes.dex */
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public class StandardMessageCodec implements MessageCodec<Object> {
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private static final byte BIGINT = 5;
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private static final byte BYTE_ARRAY = 8;
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private static final byte DOUBLE = 6;
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private static final byte DOUBLE_ARRAY = 11;
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private static final byte FALSE = 2;
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private static final byte FLOAT_ARRAY = 14;
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public static final StandardMessageCodec INSTANCE = new StandardMessageCodec();
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private static final byte INT = 3;
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private static final byte INT_ARRAY = 9;
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private static final byte LIST = 12;
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private static final boolean LITTLE_ENDIAN;
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private static final byte LONG = 4;
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private static final byte LONG_ARRAY = 10;
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private static final byte MAP = 13;
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private static final byte NULL = 0;
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private static final byte STRING = 7;
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private static final String TAG = "StandardMessageCodec#";
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private static final byte TRUE = 1;
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private static final Charset UTF8;
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static {
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LITTLE_ENDIAN = ByteOrder.nativeOrder() == ByteOrder.LITTLE_ENDIAN;
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UTF8 = Charset.forName("UTF8");
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}
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@Override // io.flutter.plugin.common.MessageCodec
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public ByteBuffer encodeMessage(Object obj) {
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if (obj == null) {
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return null;
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}
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ExposedByteArrayOutputStream exposedByteArrayOutputStream = new ExposedByteArrayOutputStream();
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writeValue(exposedByteArrayOutputStream, obj);
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ByteBuffer allocateDirect = ByteBuffer.allocateDirect(exposedByteArrayOutputStream.size());
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allocateDirect.put(exposedByteArrayOutputStream.buffer(), 0, exposedByteArrayOutputStream.size());
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return allocateDirect;
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}
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@Override // io.flutter.plugin.common.MessageCodec
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public Object decodeMessage(ByteBuffer byteBuffer) {
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if (byteBuffer == null) {
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return null;
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}
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byteBuffer.order(ByteOrder.nativeOrder());
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Object readValue = readValue(byteBuffer);
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if (byteBuffer.hasRemaining()) {
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throw new IllegalArgumentException("Message corrupted");
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}
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return readValue;
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}
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protected static final void writeSize(ByteArrayOutputStream byteArrayOutputStream, int i) {
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if (i < 254) {
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byteArrayOutputStream.write(i);
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} else if (i <= 65535) {
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byteArrayOutputStream.write(254);
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writeChar(byteArrayOutputStream, i);
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} else {
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byteArrayOutputStream.write(255);
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writeInt(byteArrayOutputStream, i);
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}
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}
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protected static final void writeChar(ByteArrayOutputStream byteArrayOutputStream, int i) {
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if (LITTLE_ENDIAN) {
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byteArrayOutputStream.write(i);
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byteArrayOutputStream.write(i >>> 8);
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} else {
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byteArrayOutputStream.write(i >>> 8);
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byteArrayOutputStream.write(i);
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}
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}
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protected static final void writeInt(ByteArrayOutputStream byteArrayOutputStream, int i) {
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if (LITTLE_ENDIAN) {
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byteArrayOutputStream.write(i);
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byteArrayOutputStream.write(i >>> 8);
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byteArrayOutputStream.write(i >>> 16);
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byteArrayOutputStream.write(i >>> 24);
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return;
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}
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byteArrayOutputStream.write(i >>> 24);
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byteArrayOutputStream.write(i >>> 16);
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byteArrayOutputStream.write(i >>> 8);
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byteArrayOutputStream.write(i);
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}
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protected static final void writeLong(ByteArrayOutputStream byteArrayOutputStream, long j) {
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if (LITTLE_ENDIAN) {
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byteArrayOutputStream.write((byte) j);
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byteArrayOutputStream.write((byte) (j >>> 8));
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byteArrayOutputStream.write((byte) (j >>> 16));
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byteArrayOutputStream.write((byte) (j >>> 24));
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byteArrayOutputStream.write((byte) (j >>> 32));
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byteArrayOutputStream.write((byte) (j >>> 40));
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byteArrayOutputStream.write((byte) (j >>> 48));
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byteArrayOutputStream.write((byte) (j >>> 56));
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return;
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}
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byteArrayOutputStream.write((byte) (j >>> 56));
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byteArrayOutputStream.write((byte) (j >>> 48));
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byteArrayOutputStream.write((byte) (j >>> 40));
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byteArrayOutputStream.write((byte) (j >>> 32));
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byteArrayOutputStream.write((byte) (j >>> 24));
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byteArrayOutputStream.write((byte) (j >>> 16));
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byteArrayOutputStream.write((byte) (j >>> 8));
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byteArrayOutputStream.write((byte) j);
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}
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protected static final void writeFloat(ByteArrayOutputStream byteArrayOutputStream, float f) {
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writeInt(byteArrayOutputStream, Float.floatToIntBits(f));
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}
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protected static final void writeDouble(ByteArrayOutputStream byteArrayOutputStream, double d) {
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writeLong(byteArrayOutputStream, Double.doubleToLongBits(d));
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}
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protected static final void writeBytes(ByteArrayOutputStream byteArrayOutputStream, byte[] bArr) {
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writeSize(byteArrayOutputStream, bArr.length);
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byteArrayOutputStream.write(bArr, 0, bArr.length);
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}
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protected static final void writeAlignment(ByteArrayOutputStream byteArrayOutputStream, int i) {
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int size = byteArrayOutputStream.size() % i;
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if (size != 0) {
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for (int i2 = 0; i2 < i - size; i2++) {
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byteArrayOutputStream.write(0);
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}
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}
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}
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public void writeValue(ByteArrayOutputStream byteArrayOutputStream, Object obj) {
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int i = 0;
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if (obj == null || obj.equals(null)) {
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byteArrayOutputStream.write(0);
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return;
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}
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if (obj instanceof Boolean) {
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byteArrayOutputStream.write(((Boolean) obj).booleanValue() ? 1 : 2);
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return;
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}
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if (obj instanceof Number) {
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if ((obj instanceof Integer) || (obj instanceof Short) || (obj instanceof Byte)) {
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byteArrayOutputStream.write(3);
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writeInt(byteArrayOutputStream, ((Number) obj).intValue());
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return;
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}
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if (obj instanceof Long) {
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byteArrayOutputStream.write(4);
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writeLong(byteArrayOutputStream, ((Long) obj).longValue());
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return;
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}
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if ((obj instanceof Float) || (obj instanceof Double)) {
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byteArrayOutputStream.write(6);
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writeAlignment(byteArrayOutputStream, 8);
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writeDouble(byteArrayOutputStream, ((Number) obj).doubleValue());
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return;
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} else {
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if (obj instanceof BigInteger) {
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byteArrayOutputStream.write(5);
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writeBytes(byteArrayOutputStream, ((BigInteger) obj).toString(16).getBytes(UTF8));
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return;
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}
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throw new IllegalArgumentException("Unsupported Number type: " + obj.getClass());
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}
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}
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if (obj instanceof CharSequence) {
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byteArrayOutputStream.write(7);
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writeBytes(byteArrayOutputStream, obj.toString().getBytes(UTF8));
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return;
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}
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if (obj instanceof byte[]) {
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byteArrayOutputStream.write(8);
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writeBytes(byteArrayOutputStream, (byte[]) obj);
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return;
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}
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if (obj instanceof int[]) {
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byteArrayOutputStream.write(9);
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int[] iArr = (int[]) obj;
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writeSize(byteArrayOutputStream, iArr.length);
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writeAlignment(byteArrayOutputStream, 4);
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int length = iArr.length;
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while (i < length) {
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writeInt(byteArrayOutputStream, iArr[i]);
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i++;
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}
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return;
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}
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if (obj instanceof long[]) {
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byteArrayOutputStream.write(10);
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long[] jArr = (long[]) obj;
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writeSize(byteArrayOutputStream, jArr.length);
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writeAlignment(byteArrayOutputStream, 8);
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int length2 = jArr.length;
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while (i < length2) {
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writeLong(byteArrayOutputStream, jArr[i]);
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i++;
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}
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return;
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}
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if (obj instanceof double[]) {
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byteArrayOutputStream.write(11);
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double[] dArr = (double[]) obj;
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writeSize(byteArrayOutputStream, dArr.length);
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writeAlignment(byteArrayOutputStream, 8);
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int length3 = dArr.length;
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while (i < length3) {
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writeDouble(byteArrayOutputStream, dArr[i]);
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i++;
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}
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return;
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}
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if (obj instanceof List) {
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byteArrayOutputStream.write(12);
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List list = (List) obj;
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writeSize(byteArrayOutputStream, list.size());
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Iterator it = list.iterator();
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while (it.hasNext()) {
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writeValue(byteArrayOutputStream, it.next());
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}
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return;
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}
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if (obj instanceof Map) {
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byteArrayOutputStream.write(13);
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Map map = (Map) obj;
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writeSize(byteArrayOutputStream, map.size());
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for (Map.Entry entry : map.entrySet()) {
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writeValue(byteArrayOutputStream, entry.getKey());
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writeValue(byteArrayOutputStream, entry.getValue());
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}
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return;
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}
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if (obj instanceof float[]) {
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byteArrayOutputStream.write(14);
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float[] fArr = (float[]) obj;
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writeSize(byteArrayOutputStream, fArr.length);
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writeAlignment(byteArrayOutputStream, 4);
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int length4 = fArr.length;
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while (i < length4) {
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writeFloat(byteArrayOutputStream, fArr[i]);
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i++;
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}
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return;
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}
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throw new IllegalArgumentException("Unsupported value: '" + obj + "' of type '" + obj.getClass() + "'");
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}
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protected static final int readSize(ByteBuffer byteBuffer) {
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if (!byteBuffer.hasRemaining()) {
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throw new IllegalArgumentException("Message corrupted");
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}
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int i = byteBuffer.get() & UnsignedBytes.MAX_VALUE;
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if (i < 254) {
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return i;
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}
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if (i == 254) {
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return byteBuffer.getChar();
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}
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return byteBuffer.getInt();
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}
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protected static final byte[] readBytes(ByteBuffer byteBuffer) {
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byte[] bArr = new byte[readSize(byteBuffer)];
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byteBuffer.get(bArr);
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return bArr;
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}
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protected static final void readAlignment(ByteBuffer byteBuffer, int i) {
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int position = byteBuffer.position() % i;
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if (position != 0) {
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byteBuffer.position((byteBuffer.position() + i) - position);
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}
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}
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/* JADX INFO: Access modifiers changed from: protected */
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public final Object readValue(ByteBuffer byteBuffer) {
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if (!byteBuffer.hasRemaining()) {
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throw new IllegalArgumentException("Message corrupted");
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}
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return readValueOfType(byteBuffer.get(), byteBuffer);
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}
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/* JADX WARN: Multi-variable type inference failed */
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/* JADX WARN: Type inference failed for: r0v2, types: [long[]] */
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/* JADX WARN: Type inference failed for: r0v3, types: [double[]] */
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/* JADX WARN: Type inference failed for: r0v4, types: [java.util.List, java.util.ArrayList] */
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/* JADX WARN: Type inference failed for: r0v5 */
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/* JADX WARN: Type inference failed for: r0v6, types: [java.util.Map, java.util.HashMap] */
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/* JADX WARN: Type inference failed for: r2v4, types: [java.nio.LongBuffer] */
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/* JADX WARN: Type inference failed for: r2v7, types: [java.nio.DoubleBuffer] */
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public Object readValueOfType(byte b, ByteBuffer byteBuffer) {
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Object obj;
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int i = 0;
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switch (b) {
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case 0:
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return null;
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case 1:
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return true;
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case 2:
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return false;
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case 3:
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return Integer.valueOf(byteBuffer.getInt());
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case 4:
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return Long.valueOf(byteBuffer.getLong());
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case 5:
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return new BigInteger(new String(readBytes(byteBuffer), UTF8), 16);
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case 6:
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readAlignment(byteBuffer, 8);
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return Double.valueOf(byteBuffer.getDouble());
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case 7:
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return new String(readBytes(byteBuffer), UTF8);
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case 8:
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return readBytes(byteBuffer);
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case 9:
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int readSize = readSize(byteBuffer);
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int[] iArr = new int[readSize];
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readAlignment(byteBuffer, 4);
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byteBuffer.asIntBuffer().get(iArr);
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byteBuffer.position(byteBuffer.position() + (readSize * 4));
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return iArr;
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case 10:
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int readSize2 = readSize(byteBuffer);
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obj = new long[readSize2];
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readAlignment(byteBuffer, 8);
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byteBuffer.asLongBuffer().get(obj);
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byteBuffer.position(byteBuffer.position() + (readSize2 * 8));
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break;
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case 11:
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int readSize3 = readSize(byteBuffer);
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obj = new double[readSize3];
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readAlignment(byteBuffer, 8);
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byteBuffer.asDoubleBuffer().get(obj);
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byteBuffer.position(byteBuffer.position() + (readSize3 * 8));
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break;
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case 12:
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int readSize4 = readSize(byteBuffer);
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obj = new ArrayList(readSize4);
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while (i < readSize4) {
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obj.add(readValue(byteBuffer));
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i++;
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}
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break;
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case 13:
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int readSize5 = readSize(byteBuffer);
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obj = new HashMap();
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while (i < readSize5) {
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obj.put(readValue(byteBuffer), readValue(byteBuffer));
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i++;
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}
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break;
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case 14:
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int readSize6 = readSize(byteBuffer);
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float[] fArr = new float[readSize6];
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readAlignment(byteBuffer, 4);
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byteBuffer.asFloatBuffer().get(fArr);
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byteBuffer.position(byteBuffer.position() + (readSize6 * 4));
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return fArr;
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default:
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throw new IllegalArgumentException("Message corrupted");
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}
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return obj;
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}
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/* loaded from: classes.dex */
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static final class ExposedByteArrayOutputStream extends ByteArrayOutputStream {
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/* JADX INFO: Access modifiers changed from: package-private */
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public final byte[] buffer() {
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return this.buf;
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}
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}
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}
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