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Diffstat (limited to 'cdf/src/cdf-prop-value/cdf-util/src/main/java/org/onap/dcae/cdf/util/common/Compress.java')
-rw-r--r--cdf/src/cdf-prop-value/cdf-util/src/main/java/org/onap/dcae/cdf/util/common/Compress.java131
1 files changed, 0 insertions, 131 deletions
diff --git a/cdf/src/cdf-prop-value/cdf-util/src/main/java/org/onap/dcae/cdf/util/common/Compress.java b/cdf/src/cdf-prop-value/cdf-util/src/main/java/org/onap/dcae/cdf/util/common/Compress.java
deleted file mode 100644
index 86ff60b..0000000
--- a/cdf/src/cdf-prop-value/cdf-util/src/main/java/org/onap/dcae/cdf/util/common/Compress.java
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this code except in compliance
- with the License. You may obtain a copy of the License
- at http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
- implied. See the License for the specific language governing
- permissions and limitations under the License.
-
-*/
-package org.onap.dcae.cdf.util.common;
-
-import java.util.zip.GZIPOutputStream;
-import java.util.zip.ZipOutputStream;
-import java.util.zip.ZipEntry;
-// import java.io.InputStream;
-import java.io.FileOutputStream;
-import java.io.FileInputStream;
-import java.io.File;
-import java.io.IOException;
-
-public class Compress {
-
- /**
- * Compress a file with the gzip algorithm, sending output to outFilename.
- * Based on code at http://www.java-tips.org/java-se-tips/java.util.zip/how-to-compress-a-file-in-the-gip-format.html.
- */
- public static void gzip(String inFilename, String outFilename) throws IOException {
- String tmpFilename = outFilename + ".tmp";
- try {
- // Create the GZIP output stream
- GZIPOutputStream out = new GZIPOutputStream(new FileOutputStream(tmpFilename));
-
- // Open the input file
- FileInputStream in = new FileInputStream(inFilename);
-
- // Transfer bytes from the input file to the GZIP output stream
- byte[] buf = new byte[4096];
- int len;
- while ((len = in.read(buf)) > 0) {
- out.write(buf, 0, len);
- }
- in.close();
-
- // Complete the GZIP file
- out.finish();
- out.close();
-
- // rename .gz.tmp to .gz
- File target = new File(outFilename);
- if (target.exists()) target.delete();
- File file = new File(tmpFilename);
- boolean result = file.renameTo(target);
- if (!result) throw new IOException("Cannot rename " + tmpFilename + " to " + outFilename);
- } catch (IOException e) {
- // If we can't write the gzip file, remove it and pass on the exception.
- File f = new File(outFilename);
- f.delete();
- throw e;
- }
- }
-
- /**
- * Compress a file with the gzip algorithm, sending output to filename+".gz".
- */
- public static void gzip(String filename) throws IOException {
- gzip(filename, filename + ".gz");
- }
-
- /**
- * Compress a file with the zip algorithm, sending output to outFilename
- * Based on code at http://www.java-tips.org/java-se-tips/java.util.zip/how-to-compress-a-file-in-the-gip-format.html.
- */
- public static void zip(String inFilename, String outFilename) throws IOException {
- String tmpFilename = outFilename + ".tmp";
- try {
- // Create the ZIP output stream
- ZipOutputStream out = new ZipOutputStream(new FileOutputStream(tmpFilename));
- ZipEntry zipEntry = new ZipEntry(inFilename);
- out.putNextEntry(zipEntry);
-
- // Open the input file
- FileInputStream in = new FileInputStream(inFilename);
-
- // Transfer bytes from the input file to the ZIP output stream
- byte[] buf = new byte[4096];
- int len;
- while ((len = in.read(buf)) > 0) {
- out.write(buf, 0, len);
- }
- in.close();
-
- // Complete the ZIP file
- out.finish();
- out.close();
-
- // rename .zip.tmp to .zip
- File target = new File(outFilename);
- if (target.exists()) target.delete();
- File file = new File(tmpFilename);
- boolean result = file.renameTo(target);
- if (!result) throw new IOException("Cannot rename " + tmpFilename + " to " + outFilename);
- } catch (IOException e) {
- // If we can't write the zip file, remove it and pass on the exception.
- File f = new File(outFilename);
- f.delete();
- throw e;
- }
- }
-
- /**
- * Compress a file with the gzip algorithm, sending output to filename+".zip".
- */
- public static void zip(String filename) throws IOException {
- zip(filename, filename + ".zip");
- }
-
- public static void main(String args[]) throws Exception {
- if (args.length == 1) {
- gzip(args[0]);
- zip(args[0]);
- } else {
- System.err.println("Usage: java Compress filename");
- }
- }
-}