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JVM AOT compiler currently generating JavaScript, C++, Haxe, with initial focus on Kotlin and games.

There is a newer version: 0.6.8

package com.jtransc.compression;

import com.jtransc.annotation.JTranscInvisible;
import com.jtransc.annotation.haxe.HaxeMethodBody;
import com.jtransc.annotation.haxe.HaxeMethodBodyList;
import com.jtransc.compression.jzlib.InflaterInputStream;
import com.jtransc.io.JTranscIoTools;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.zip.Inflater;

@JTranscInvisible
public class JTranscZlib {
	@HaxeMethodBody(target = "sys", value = "return true;")
	static private boolean hasNativeInflate() {
		//return JTranscSystem.usingJTransc() && JTranscSystem.isSys();
		return false;
	}

	@HaxeMethodBodyList({
		@HaxeMethodBody(target = "sys", value = "" +
			"var u = new haxe.zip.Uncompress(-15);\n" +
			"var src = p0.getBytes();\n" +
			"var dst = haxe.io.Bytes.alloc(p1);\n" +
			"u.execute(src, 0, dst, 0);\n" +
			"u.close();\n" +
			"return JA_B.fromBytes(dst);\n"
		),
		@HaxeMethodBody("return null;"),
	})
	native static private byte[] nativeInflate(byte[] data, int outputSize);

	static public byte[] inflate(byte[] data, int outputSize) {
		try {
			if (hasNativeInflate()) {
				return nativeInflate(data, outputSize);
			} else {
				//return JTranscIoTools.copy(new java.util.zip.InflaterInputStream(new ByteArrayInputStream(data)), new ByteArrayOutputStream(outputSize)).toByteArray();
				return JTranscIoTools.copy(new InflaterInputStream(new ByteArrayInputStream(data), true), new ByteArrayOutputStream(outputSize)).toByteArray();
			}
		} catch (Throwable t) {
			throw new RuntimeException(t);
		}
	}

	@HaxeMethodBodyList({
		@HaxeMethodBody(target = "flash", value = "return JA_B.fromBytes(haxe.zip.Uncompress.run(p0.getBytes(), p1));"),
		@HaxeMethodBody(target = "sys", value = "return JA_B.fromBytes(haxe.zip.Uncompress.run(p0.getBytes(), p1));"),
	})
	static public byte[] uncompress(byte[] data, int outputSize) {
		try {
			if (hasNativeInflate()) {
				return nativeInflate(data, outputSize);
			} else {
				Inflater inflater = new Inflater(false);
				inflater.setInput(data);
				byte[] out = new byte[outputSize];
				int result = inflater.inflate(out);
				return out;
				//return JTranscIoTools.copy(new java.util.zip.InflaterInputStream(new ByteArrayInputStream(data), false), new ByteArrayOutputStream(outputSize)).toByteArray();
				//return JTranscIoTools.copy(new InflaterInputStream(new ByteArrayInputStream(data), false), new ByteArrayOutputStream(outputSize)).toByteArray();
			}
		} catch (Throwable t) {
			throw new RuntimeException(t);
		}
	}
}