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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
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*/
package com.sun.enterprise.admin.servermgmt.stringsubs.impl;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.enterprise.admin.servermgmt.SLogger;
import com.sun.enterprise.universal.i18n.LocalStringsImpl;
/**
* Utility class for the substitutable files.
*/
public class SubstitutionFileUtil
{
private static final Logger _logger = SLogger.getLogger();
private static final LocalStringsImpl _strings = new LocalStringsImpl(SubstitutionFileUtil.class);
private static final String INMEMORY_SUBSTITUTION_FILE_SIZE_IN_KB = "inmemory.substitution.file.size.in.kb";
private static final int DEFAULT_INMEMORY_SUBSTITUTION_FILE_SIZE_IN_KB = 10240;
private static int PROVIDED_INMEMORY_SUBSTITUTION_FILE_SIZE_IN_BYTES = 0;
/**
* The maximum copy byte count.
*/
public static final int MAX_COPY_BYTE_COUNT = (64 * 1024 * 1024) - (32 * 1024);
/**
* Gets the maximum file size for which in-memory substitution can be performed.
*
* @return Max file size in bytes to perform in-memory substitution.
*/
public static int getInMemorySubstitutionFileSizeInBytes() {
if (PROVIDED_INMEMORY_SUBSTITUTION_FILE_SIZE_IN_BYTES > 0) {
return PROVIDED_INMEMORY_SUBSTITUTION_FILE_SIZE_IN_BYTES;
}
try {
PROVIDED_INMEMORY_SUBSTITUTION_FILE_SIZE_IN_BYTES = Integer.parseInt(
StringSubstitutionProperties.getProperty(INMEMORY_SUBSTITUTION_FILE_SIZE_IN_KB)) * 1024;
} catch (Exception e) {
_logger.log(Level.INFO, SLogger.MISSING_MEMORY_FILE_SIZE);
PROVIDED_INMEMORY_SUBSTITUTION_FILE_SIZE_IN_BYTES = DEFAULT_INMEMORY_SUBSTITUTION_FILE_SIZE_IN_KB;
}
return PROVIDED_INMEMORY_SUBSTITUTION_FILE_SIZE_IN_BYTES > 0 ?
PROVIDED_INMEMORY_SUBSTITUTION_FILE_SIZE_IN_BYTES : DEFAULT_INMEMORY_SUBSTITUTION_FILE_SIZE_IN_KB;
}
/**
* Create a directory with the given prefix.
*
* @param prefix Prefix for the directory name.
* @return An extraction directory.
*/
public static File setupDir(String prefix) throws IOException {
String extractBase = System.getProperty("user.dir");
File extractDir = null;
File extractBaseFile = new File(extractBase);
if (!extractBaseFile.mkdirs()) {
_logger.log(Level.WARNING, SLogger.DIR_CREATION_ERROR,
extractBaseFile.getAbsolutePath());
}
extractDir = File.createTempFile(prefix, null, extractBaseFile);
// ensure it's a directory
if (extractDir.delete()) {
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, _strings.get("recreateDirectories", extractDir.getAbsolutePath()));
}
}
if (!extractDir.mkdirs()) {
_logger.log(Level.WARNING, SLogger.DIR_CREATION_ERROR, extractDir.getAbsolutePath());
}
return extractDir;
}
/**
* Delete's the given file, if the file is a directory then method will
* recursively delete the content of it.
*
* @param file File to delete.
*/
public static void removeDir(File file) {
if (file == null) {
return;
}
if (file.isDirectory()) {
File[] files = file.listFiles();
for(File f : files) {
removeDir(f);
}
}
if (!file.delete()) {
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, _strings.get("failureInFileDeletion", file.getAbsolutePath()));
}
}
}
}