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package org.graalvm.wasm.utils;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
public class WasmResource {
public static String getResourceAsString(String resourceName, boolean fail) throws IOException {
byte[] contents = getResourceAsBytes(resourceName, fail);
if (contents != null) {
return new String(contents);
} else {
assert !fail;
return null;
}
}
public static byte[] getResourceAsBytes(String resourceName, boolean fail) throws IOException {
InputStream stream = WasmResource.class.getResourceAsStream(resourceName);
if (stream == null) {
if (fail) {
Assert.fail(String.format("Could not find resource: %s", resourceName));
} else {
return null;
}
}
byte[] contents;
try {
contents = new byte[stream.available()];
new DataInputStream(stream).readFully(contents);
} finally {
stream.close();
}
return contents;
}
public static Object getResourceAsTest(String baseName, boolean fail) throws IOException {
final byte[] bytes = getResourceAsBytes(baseName + ".wasm", false);
if (bytes != null) {
return bytes;
}
final String text = getResourceAsString(baseName + ".wat", false);
if (text != null) {
return text;
}
if (fail) {
Assert.fail(String.format("Could not find test (neither .wasm or .wat): %s", baseName));
}
return null;
}
public static String getResourceIndex(String resourcePath) throws IOException {
return WasmResource.getResourceAsString(resourcePath + "/" + "wasm_test_index", true);
}
}