ByteStringToDocumentConverter.java
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package androidx.test.espresso.web.assertion;
import androidx.annotation.NonNull;
import androidx.test.espresso.remote.Converter;
import com.google.protobuf.ByteString;
import java.io.IOException;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotSupportedException;
/** Converts a type {@link ByteString} into its {@link Document} representation. */
final class ByteStringToDocumentConverter implements Converter<ByteString, Document> {
private static String decompressDocument(byte[] bytes) throws IOException {
return new String(CompressorDecompressor.decompress(bytes));
}
/**
* Convert an object of type {@link ByteString} into its {@link Document} representation.
*
* @param byteString to convert into a {@link Document}
*/
@Override
public Document convert(@NonNull ByteString byteString) {
try {
return TagSoupDocumentParser.newInstance()
.parse(decompressDocument(byteString.toByteArray()));
} catch (IOException ioe) {
throw new RuntimeException("Parsing document from ByteString failed!", ioe);
} catch (SAXNotSupportedException snse) {
throw new RuntimeException("Parsing document from ByteString failed!", snse);
} catch (SAXException se) {
throw new RuntimeException("Parsing document from ByteString failed!", se);
}
}
}