diff options
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.java | 131 |
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"); - } - } -} |