moparisthebest/android_external_SafeParcel
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Add support for Lists

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This commit is contained in:
mar-v-in 2015-02-10 03:03:27 +01:00
parent 3efecf38ca
commit a650ca5bea
5 changed files with 313 additions and 279 deletions
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195
src/org/microg/safeparcel/SafeParcelReader.java
View File

@ -20,112 +20,125 @@ import android.os.IBinder;
import android.os.Parcel;
import android.os.Parcelable;
import java.util.ArrayList;
import java.util.List;
public class SafeParcelReader {
public static int halfOf(int i) {
return i & 0xFFFF;
}
public static int halfOf(int i) {
return i & 0xFFFF;
}
public static int readSingleInt(Parcel parcel) {
return parcel.readInt();
}
public static int readSingleInt(Parcel parcel) {
return parcel.readInt();
}
private static int readStart(Parcel parcel, int first) {
if ((first & 0xFFFF0000) != -65536)
return first >> 16 & 0xFFFF;
return parcel.readInt();
}
private static int readStart(Parcel parcel, int first) {
if ((first & 0xFFFF0000) != -65536)
return first >> 16 & 0xFFFF;
return parcel.readInt();
}
private static void readStart(Parcel parcel, int position, int length) {
int i = readStart(parcel, position);
if (i != length)
throw new ReadException("Expected size " + length + " got " + i + " (0x" + Integer.toHexString(i) + ")", parcel);
}
private static void readStart(Parcel parcel, int position, int length) {
int i = readStart(parcel, position);
if (i != length)
throw new ReadException("Expected size " + length + " got " + i + " (0x" + Integer.toHexString(i) + ")", parcel);
}
public static int readStart(Parcel parcel) {
int first = readSingleInt(parcel);
int length = readStart(parcel, first);
int start = parcel.dataPosition();
if (halfOf(first) != SafeParcelable.SAFE_PARCEL_MAGIC)
throw new ReadException("Expected object header. Got 0x" + Integer.toHexString(first), parcel);
int end = start + length;
if ((end < start) || (end > parcel.dataSize()))
throw new ReadException("Size read is invalid start=" + start + " end=" + end, parcel);
return end;
}
public static int readStart(Parcel parcel) {
int first = readSingleInt(parcel);
int length = readStart(parcel, first);
int start = parcel.dataPosition();
if (halfOf(first) != SafeParcelable.SAFE_PARCEL_MAGIC)
throw new ReadException("Expected object header. Got 0x" + Integer.toHexString(first), parcel);
int end = start + length;
if ((end < start) || (end > parcel.dataSize()))
throw new ReadException("Size read is invalid start=" + start + " end=" + end, parcel);
return end;
}
public static int readInt(Parcel parcel, int position) {
readStart(parcel, position, 4);
return parcel.readInt();
}
public static int readInt(Parcel parcel, int position) {
readStart(parcel, position, 4);
return parcel.readInt();
}
public static byte readByte(Parcel parcel, int position) {
readStart(parcel, position, 4);
return (byte) parcel.readInt();
}
public static byte readByte(Parcel parcel, int position) {
readStart(parcel, position, 4);
return (byte) parcel.readInt();
}
public static short readShort(Parcel parcel, int position) {
readStart(parcel, position, 4);
return (short) parcel.readInt();
}
public static short readShort(Parcel parcel, int position) {
readStart(parcel, position, 4);
return (short) parcel.readInt();
}
public static boolean readBool(Parcel parcel, int position) {
readStart(parcel, position, 4);
return parcel.readInt() != 0;
}
public static boolean readBool(Parcel parcel, int position) {
readStart(parcel, position, 4);
return parcel.readInt() != 0;
}
public static long readLong(Parcel parcel, int position) {
readStart(parcel, position, 8);
return parcel.readLong();
}
public static long readLong(Parcel parcel, int position) {
readStart(parcel, position, 8);
return parcel.readLong();
}
public static float readFloat(Parcel parcel, int position) {
readStart(parcel, position, 4);
return parcel.readFloat();
}
public static float readFloat(Parcel parcel, int position) {
readStart(parcel, position, 4);
return parcel.readFloat();
}
public static double readDouble(Parcel parcel, int position) {
readStart(parcel, position, 8);
return parcel.readDouble();
}
public static double readDouble(Parcel parcel, int position) {
readStart(parcel, position, 8);
return parcel.readDouble();
}
public static String readString(Parcel parcel, int position) {
int length = readStart(parcel, position);
int start = parcel.dataPosition();
if (length == 0)
return null;
String string = parcel.readString();
parcel.setDataPosition(start + length);
return string;
}
public static String readString(Parcel parcel, int position) {
int length = readStart(parcel, position);
int start = parcel.dataPosition();
if (length == 0)
return null;
String string = parcel.readString();
parcel.setDataPosition(start + length);
return string;
}
public static IBinder readBinder(Parcel parcel, int position) {
int length = readStart(parcel, position);
int start = parcel.dataPosition();
if (length == 0)
return null;
IBinder binder = parcel.readStrongBinder();
parcel.setDataPosition(start + length);
return binder;
}
public static IBinder readBinder(Parcel parcel, int position) {
int length = readStart(parcel, position);
int start = parcel.dataPosition();
if (length == 0)
return null;
IBinder binder = parcel.readStrongBinder();
parcel.setDataPosition(start + length);
return binder;
}
public static <T extends Parcelable> T readParcelable(Parcel parcel, int position, Parcelable.Creator<T> creator) {
int length = readStart(parcel, position);
int start = parcel.dataPosition();
if (length == 0)
return null;
T t = creator.createFromParcel(parcel);
parcel.setDataPosition(start + length);
return t;
}
public static <T extends Parcelable> T readParcelable(Parcel parcel, int position, Parcelable.Creator<T> creator) {
int length = readStart(parcel, position);
int start = parcel.dataPosition();
if (length == 0)
return null;
T t = creator.createFromParcel(parcel);
parcel.setDataPosition(start + length);
return t;
}
public static void skip(Parcel parcel, int position) {
int i = readStart(parcel, position);
parcel.setDataPosition(parcel.dataPosition() + i);
}
public static ArrayList readList(Parcel parcel, int position, ClassLoader classLoader) {
int length = readStart(parcel, position);
int start = parcel.dataPosition();
if (length == 0)
return null;
ArrayList list = parcel.readArrayList(classLoader);
parcel.setDataPosition(start + length);
return list;
}
public static class ReadException extends RuntimeException {
public ReadException(String message, Parcel parcel) {
super(message);
}
}
public static void skip(Parcel parcel, int position) {
int i = readStart(parcel, position);
parcel.setDataPosition(parcel.dataPosition() + i);
}
public static class ReadException extends RuntimeException {
public ReadException(String message, Parcel parcel) {
super(message);
}
}
}

21
src/org/microg/safeparcel/SafeParcelUtil.java
View File

@ -8,7 +8,9 @@ import android.util.Log;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class SafeParcelUtil {
@ -104,6 +106,15 @@ public class SafeParcelUtil {
}
}
private static ClassLoader getClassLoader(Field field) {
try {
String type = field.getAnnotation(SafeParceled.class).subType();
return Class.forName(type).getClassLoader();
} catch (ClassNotFoundException e) {
return ClassLoader.getSystemClassLoader();
}
}
private static void writeField(SafeParcelable object, Parcel parcel, Field field, int flags)
throws IllegalAccessException {
int num = field.getAnnotation(SafeParceled.class).value();
@ -117,6 +128,9 @@ public class SafeParcelUtil {
case Binder:
SafeParcelWriter.write(parcel, num, (IBinder) field.get(object), mayNull);
break;
case List:
SafeParcelWriter.write(parcel, num, (List) field.get(object), mayNull);
break;
case Integer:
SafeParcelWriter.write(parcel, num, (Integer) field.get(object));
break;
@ -151,6 +165,9 @@ public class SafeParcelUtil {
field.set(object, SafeParcelReader.readBinder(parcel,
position));
break;
case List:
field.set(object, SafeParcelReader.readList(parcel, position, getClassLoader(field)));
break;
case Integer:
field.set(object, SafeParcelReader.readInt(parcel, position));
break;
@ -173,13 +190,15 @@ public class SafeParcelUtil {
}
private enum SafeParcelType {
Parcelable, Binder, Integer, Long, Boolean, Float, Double, String;
Parcelable, Binder, Integer, Long, Boolean, Float, Double, String, List;
public static SafeParcelType fromClass(Class clazz) {
if (Parcelable.class.isAssignableFrom(clazz))
return Parcelable;
if (IBinder.class.isAssignableFrom(clazz))
return Binder;
if (clazz == List.class || clazz == ArrayList.class)
return List;
if (clazz == int.class || clazz == Integer.class)
return Integer;
if (clazz == boolean.class || clazz == Boolean.class)

370
src/org/microg/safeparcel/SafeParcelWriter.java
View File

@ -25,211 +25,211 @@ import java.util.List;
public class SafeParcelWriter {
private static void writeStart(Parcel parcel, int position, int length) {
if (length >= 65535) {
parcel.writeInt(0xFFFF0000 | position);
parcel.writeInt(length);
} else {
parcel.writeInt(length << 16 | position);
}
}
private static void writeStart(Parcel parcel, int position, int length) {
if (length >= 65535) {
parcel.writeInt(0xFFFF0000 | position);
parcel.writeInt(length);
} else {
parcel.writeInt(length << 16 | position);
}
}
public static int writeStart(Parcel parcel) {
return writeStart(parcel, SafeParcelable.SAFE_PARCEL_MAGIC);
}
public static int writeStart(Parcel parcel) {
return writeStart(parcel, SafeParcelable.SAFE_PARCEL_MAGIC);
}
private static int writeStart(Parcel parcel, int position) {
parcel.writeInt(0xFFFF0000 | position);
parcel.writeInt(0);
return parcel.dataPosition();
}
private static int writeStart(Parcel parcel, int position) {
parcel.writeInt(0xFFFF0000 | position);
parcel.writeInt(0);
return parcel.dataPosition();
}
public static void writeEnd(Parcel parcel, int start) {
int end = parcel.dataPosition();
int length = end - start;
parcel.setDataPosition(start - 4);
parcel.writeInt(length);
parcel.setDataPosition(end);
}
public static void writeEnd(Parcel parcel, int start) {
int end = parcel.dataPosition();
int length = end - start;
parcel.setDataPosition(start - 4);
parcel.writeInt(length);
parcel.setDataPosition(end);
}
public static void write(Parcel parcel, int position, Boolean val) {
if (val == null) return;
writeStart(parcel, position, 4);
parcel.writeInt(val ? 1 : 0);
}
public static void write(Parcel parcel, int position, Boolean val) {
if (val == null) return;
writeStart(parcel, position, 4);
parcel.writeInt(val ? 1 : 0);
}
public static void write(Parcel parcel, int position, Byte val) {
if (val == null) return;
writeStart(parcel, position, 4);
parcel.writeInt(val);
}
public static void write(Parcel parcel, int position, Byte val) {
if (val == null) return;
writeStart(parcel, position, 4);
parcel.writeInt(val);
}
public static void write(Parcel parcel, int position, Short val) {
if (val == null) return;
writeStart(parcel, position, 4);
parcel.writeInt(val);
}
public static void write(Parcel parcel, int position, Short val) {
if (val == null) return;
writeStart(parcel, position, 4);
parcel.writeInt(val);
}
public static void write(Parcel parcel, int position, Integer val) {
if (val == null) return;
writeStart(parcel, position, 4);
parcel.writeInt(val);
}
public static void write(Parcel parcel, int position, Integer val) {
if (val == null) return;
writeStart(parcel, position, 4);
parcel.writeInt(val);
}
public static void write(Parcel parcel, int position, Long val) {
if (val == null) return;
writeStart(parcel, position, 8);
parcel.writeLong(val);
}
public static void write(Parcel parcel, int position, Long val) {
if (val == null) return;
writeStart(parcel, position, 8);
parcel.writeLong(val);
}
public static void write(Parcel parcel, int position, Float val) {
if (val == null) return;
writeStart(parcel, position, 4);
parcel.writeFloat(val);
}
public static void write(Parcel parcel, int position, Float val) {
if (val == null) return;
writeStart(parcel, position, 4);
parcel.writeFloat(val);
}
public static void write(Parcel parcel, int position, Double val) {
if (val == null) return;
writeStart(parcel, position, 8);
parcel.writeDouble(val);
}
public static void write(Parcel parcel, int position, Double val) {
if (val == null) return;
writeStart(parcel, position, 8);
parcel.writeDouble(val);
}
public static void write(Parcel parcel, int position, String val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeString(val);
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, String val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeString(val);
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, Parcelable val, int flags, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
val.writeToParcel(parcel, flags);
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, Parcelable val, int flags, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
val.writeToParcel(parcel, flags);
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, Bundle val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeBundle(val);
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, Bundle val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeBundle(val);
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, byte[] val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeByteArray(val);
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, byte[] val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeByteArray(val);
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, String[] val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeStringArray(val);
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, String[] val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeStringArray(val);
writeEnd(parcel, start);
}
}
public static void writeStringList(Parcel parcel, int position, List<String> val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeStringList(val);
writeEnd(parcel, start);
}
}
public static void writeStringList(Parcel parcel, int position, List<String> val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeStringList(val);
writeEnd(parcel, start);
}
}
private static <T extends Parcelable> void writeArrayPart(Parcel parcel, T val, int flags) {
int before = parcel.dataPosition();
parcel.writeInt(1);
int start = parcel.dataPosition();
val.writeToParcel(parcel, flags);
int end = parcel.dataPosition();
parcel.setDataPosition(before);
parcel.writeInt(end - start);
parcel.setDataPosition(end);
}
private static <T extends Parcelable> void writeArrayPart(Parcel parcel, T val, int flags) {
int before = parcel.dataPosition();
parcel.writeInt(1);
int start = parcel.dataPosition();
val.writeToParcel(parcel, flags);
int end = parcel.dataPosition();
parcel.setDataPosition(before);
parcel.writeInt(end - start);
parcel.setDataPosition(end);
}
public static <T extends Parcelable> void write(Parcel parcel, int position, T[] val, int flags, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeInt(val.length);
for (T t : val) {
if (t == null) {
parcel.writeInt(0);
} else {
writeArrayPart(parcel, t, flags);
}
}
writeEnd(parcel, start);
}
}
public static <T extends Parcelable> void write(Parcel parcel, int position, T[] val, int flags, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeInt(val.length);
for (T t : val) {
if (t == null) {
parcel.writeInt(0);
} else {
writeArrayPart(parcel, t, flags);
}
}
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, Parcel val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.appendFrom(val, 0, val.dataSize());
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, Parcel val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.appendFrom(val, 0, val.dataSize());
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, List val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeList(val);
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, List val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeList(val);
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, IBinder val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeStrongBinder(val);
writeEnd(parcel, start);
}
}
public static void write(Parcel parcel, int position, IBinder val, boolean mayNull) {
if (val == null) {
if (mayNull) {
writeStart(parcel, position, 0);
}
} else {
int start = writeStart(parcel, position);
parcel.writeStrongBinder(val);
writeEnd(parcel, start);
}
}
}

4
src/org/microg/safeparcel/SafeParcelable.java
View File

@ -19,6 +19,6 @@ package org.microg.safeparcel;
import android.os.Parcelable;
public interface SafeParcelable extends Parcelable {
public static final String NULL = "SAFE_PARCELABLE_NULL_STRING";
int SAFE_PARCEL_MAGIC = 20293;
public static final String NULL = "SAFE_PARCELABLE_NULL_STRING";
int SAFE_PARCEL_MAGIC = 20293;
}

2
src/org/microg/safeparcel/SafeParceled.java
View File

@ -11,4 +11,6 @@ public @interface SafeParceled {
int value();
boolean mayNull() default false;
String subType() default "undefined";
}