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package ysoserial.payloads.util;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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public class ClassFiles {
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	public static String classAsFile(final Class<?> clazz) {
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		return classAsFile(clazz, true);
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	}
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	public static String classAsFile(final Class<?> clazz, boolean suffix) {
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		String str;
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		if (clazz.getEnclosingClass() == null) {
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			str = clazz.getName().replace(".", "/");
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		} else {
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			str = classAsFile(clazz.getEnclosingClass(), false) + "$" + clazz.getSimpleName();
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		}
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		if (suffix) {
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			str += ".class";			
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		}
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		return str;  
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	}
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	public static byte[] classAsBytes(final Class<?> clazz) {
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		try {
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			final byte[] buffer = new byte[1024];
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			final String file = classAsFile(clazz);
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			final InputStream in = ClassFiles.class.getClassLoader().getResourceAsStream(file);
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			if (in == null) {
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				throw new IOException("couldn't find '" + file + "'");
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			}
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			final ByteArrayOutputStream out = new ByteArrayOutputStream();
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			int len;
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			while ((len = in.read(buffer)) != -1) {
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				out.write(buffer, 0, len);
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			}
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			return out.toByteArray();
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		} catch (IOException e) {
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			throw new RuntimeException(e);
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		}
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	}
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}
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