// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.mojo.bindings;
import org.jni_zero.CalledByNative;
import org.jni_zero.JNINamespace;
import org.jni_zero.NativeMethods;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
/**
* Utility class for testing message validation. The file format used to describe a message is
* described in The format is described in
* mojo/public/cpp/bindings/tests/validation_test_input_parser.h
*/
@JNINamespace("mojo::android")
public class ValidationTestUtil {
/** Content of a '.data' file. */
public static class Data {
private final ByteBuffer mData;
private final int mHandlesCount;
private final String mErrorMessage;
public ByteBuffer getData() {
return mData;
}
public int getHandlesCount() {
return mHandlesCount;
}
public String getErrorMessage() {
return mErrorMessage;
}
private Data(ByteBuffer data, int handlesCount, String errorMessage) {
this.mData = data;
this.mHandlesCount = handlesCount;
this.mErrorMessage = errorMessage;
}
}
/** Parse a '.data' file. */
public static Data parseData(String dataAsString) {
return ValidationTestUtilJni.get().parseData(dataAsString);
}
@CalledByNative
private static Data buildData(ByteBuffer data, int handlesCount, String errorMessage) {
ByteBuffer copiedData = null;
if (data != null) {
copiedData = ByteBuffer.allocateDirect(data.limit());
copiedData.order(ByteOrder.LITTLE_ENDIAN);
copiedData.put(data);
copiedData.flip();
}
return new Data(copiedData, handlesCount, errorMessage);
}
@NativeMethods
interface Natives {
Data parseData(String dataAsString);
}
}