Initial project

src/main/java/com/imyeyu/compress/GZipDecompressor.java

@@ -0,0 +1,66 @@
+package com.imyeyu.compress;
+
+import com.imyeyu.io.IO;
+import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
+import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
+import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream;
+
+import java.io.File;
+import java.io.InputStream;
+
+/**
+ * @author 夜雨
+ * @version 2024-06-30 19:47
+ */
+public class GZipDecompressor extends Decompressor {
+
+	@Override
+	public void run(File fromFile, String toPath) throws Exception {
+		InputStream is = IO.getInputStream(fromFile);
+		GzipCompressorInputStream gzipIS = new GzipCompressorInputStream(is);
+		TarArchiveInputStream tarIS = new TarArchiveInputStream(gzipIS);
+
+		int total = 0;
+		{
+			TarArchiveEntry entry;
+			while ((entry = tarIS.getNextEntry()) != null) {
+				if (!entry.isDirectory()) {
+					total++;
+				}
+			}
+		}
+		tarIS.close();
+		is.close();
+
+		is = IO.getInputStream(fromFile);
+		tarIS = new TarArchiveInputStream(is);
+		TarArchiveEntry entry;
+		for (int i = 0; (entry = tarIS.getNextEntry()) != null; i++) {
+			String path = IO.fitPath(toPath) + entry.getName();
+			if (entry.isDirectory()) {
+				IO.dir(path);
+			} else {
+				File toFile = IO.file(path);
+				IO.toFile(toFile, tarIS);
+
+				if (fileCallback != null) {
+					fileCallback.handler(toFile);
+				}
+			}
+			if (isPause) {
+				synchronized (pauseLock) {
+					pauseLock.wait();
+				}
+			}
+			if (progressCallback != null && total != -1) {
+				progressCallback.handler(1D * i / total);
+			}
+			if (isInterrupt) {
+				break;
+			}
+		}
+		tarIS.close();
+		gzipIS.close();
+		is.close();
+	}
+}