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/*
* Copyright (c) 2018, 2021 Oracle, IBM Corporation, and/or their affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0,
* or the Eclipse Distribution License v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
*/
// Contributors:
// Oracle - initial API and implementation
package org.eclipse.persistence.internal.libraries.asm;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
public class EclipseLinkClassReader extends ClassReader {
public EclipseLinkClassReader(InputStream stream) throws IOException {
this(getStream(stream));
}
public EclipseLinkClassReader(final byte[] classFile) {
this(classFile, 0, classFile.length);
}
public EclipseLinkClassReader(final byte[] classFileBuffer, final int classFileOffset, final int classFileLength) {
super(classFileBuffer, classFileOffset, /* checkClassVersion = */ false);
}
// not closing stream is intentional here
private static byte[] getStream(final InputStream inputStream) throws IOException {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
byte[] data = new byte[4096];
int bytesRead;
while ((bytesRead = inputStream.read(data, 0, data.length)) != -1) {
outputStream.write(data, 0, bytesRead);
}
outputStream.flush();
return outputStream.toByteArray();
}
}
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