1 files changed, 135 insertions, 0 deletions
diff --git a/src/main/java/com/cmcc/simulator/xml/GZIPUtil.java b/src/main/java/com/cmcc/simulator/xml/GZIPUtil.java
new file mode 100644
index 0000000..3216a8c
--- /dev/null
+++ b/src/main/java/com/cmcc/simulator/xml/GZIPUtil.java
@@ -0,0 +1,135 @@
+package com.cmcc.simulator.xml;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.zip.GZIPOutputStream;
+
+import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
+import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
+import org.apache.commons.compress.utils.IOUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class GZIPUtil {
+
+	private static final Logger logger = LoggerFactory.getLogger(GZIPUtil.class);
+	public static File pack(File[] sources, File target) {
+		FileOutputStream out = null;
+		try {
+			out = new FileOutputStream(target);
+		} catch (FileNotFoundException e1) {
+			e1.printStackTrace();
+		}
+		TarArchiveOutputStream os = new TarArchiveOutputStream(out);
+		for (File file : sources) {
+			try {
+				TarArchiveEntry tae = new TarArchiveEntry(file);
+				 tae.setName(file.getName());
+				                os.putArchiveEntry(tae);
+//				os.putArchiveEntry(tae);
+				IOUtils.copy(new FileInputStream(file), os);
+				os.closeArchiveEntry();
+
+			} catch (FileNotFoundException e) {
+				e.printStackTrace();
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+		}
+		if (os != null) {
+			try {
+				os.flush();
+				os.close();
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+		}
+
+		return target;
+	}
+
+
+	public static File compress(String filePath, File source) {
+
+		File target = new File(filePath + "/" + source.getName() + ".gz");
+		FileInputStream in = null;
+		GZIPOutputStream out = null;
+		try {
+			in = new FileInputStream(source);
+			out = new GZIPOutputStream(new FileOutputStream(target));
+			byte[] array = new byte[1024];
+			int number = -1;
+			while ((number = in.read(array, 0, array.length)) != -1) {
+				out.write(array, 0, number);
+			}
+		} catch (FileNotFoundException e) {
+			e.printStackTrace();
+			return null;
+		} catch (IOException e) {
+			e.printStackTrace();
+			return null;
+		} finally {
+			if (in != null) {
+				try {
+					in.close();
+				} catch (IOException e) {
+					e.printStackTrace();
+					return null;
+				}
+			}
+
+			if (out != null) {
+				try {
+					out.close();
+				} catch (IOException e) {
+					e.printStackTrace();
+					return null;
+				}
+			}
+		}
+		return target;
+	}
+
+	public static void doCompressFileToGz(String inFileName) {
+		try {
+
+			logger.debug("Creating the GZIP output stream.");
+			String outFileName = inFileName + ".gz";
+			GZIPOutputStream out = null;
+			try {
+				out = new GZIPOutputStream(new FileOutputStream(outFileName));
+			} catch (FileNotFoundException e) {
+				logger.info("Could not create file: " + outFileName);
+				System.exit(1);
+			}
+
+			logger.debug("Opening the input file.");
+			FileInputStream in = null;
+			try {
+				in = new FileInputStream(inFileName);
+			} catch (FileNotFoundException e) {
+				logger.error("File not found. " + inFileName);
+				System.exit(1);
+			}
+
+			logger.debug("Transfering bytes from input file to GZIP Format.");
+			byte[] buf = new byte[1024];
+			int len;
+			while ((len = in.read(buf)) > 0) {
+				out.write(buf, 0, len);
+			}
+			in.close();
+
+			logger.info("Completing the GZIP file");
+			out.finish();
+			out.close();
+
+		} catch (IOException e) {
+			e.printStackTrace();
+			System.exit(1);
+		}
+	}
+}