/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying * information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2006 Sun Microsystems, Inc.
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*/
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package org.opends.server;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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/**
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* This class defines some utility functions which can be used by test
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* cases.
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*/
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public final class TestCaseUtils {
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/**
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* Create a temporary directory with the specified prefix.
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*
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* @param prefix
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* The directory prefix.
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* @return The temporary directory.
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* @throws IOException
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* If the temporary directory could not be created.
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*/
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public static File createTemporaryDirectory(String prefix)
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throws IOException {
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File tempDirectory = File.createTempFile(prefix, null);
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if (!tempDirectory.delete()) {
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throw new IOException("Unable to delete temporary file: "
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+ tempDirectory);
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}
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if (!tempDirectory.mkdir()) {
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throw new IOException("Unable to create temporary directory: "
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+ tempDirectory);
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}
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return tempDirectory;
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}
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/**
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* Copy a directory and its contents.
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*
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* @param src
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* The name of the directory to copy.
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* @param dst
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* The name of the destination directory.
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* @throws IOException
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* If the directory could not be copied.
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*/
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public static void copyDirectory(File src, File dst) throws IOException {
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if (src.isDirectory()) {
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// Create the destination directory if it does not exist.
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if (!dst.exists()) {
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dst.mkdir();
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}
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// Recursively copy sub-directories and files.
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for (String child : src.list()) {
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copyDirectory(new File(src, child), new File(dst, child));
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}
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} else {
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copyFile(src, dst);
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}
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}
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/**
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* Delete a directory and its contents.
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*
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* @param dir
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* The name of the directory to delete.
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* @throws IOException
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* If the directory could not be deleted.
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*/
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public static void deleteDirectory(File dir) throws IOException {
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if (dir.isDirectory()) {
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// Recursively delete sub-directories and files.
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for (String child : dir.list()) {
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deleteDirectory(new File(dir, child));
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}
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}
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dir.delete();
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}
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/**
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* Copy a file.
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*
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* @param src
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* The name of the source file.
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* @param dst
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* The name of the destination file.
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* @throws IOException
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* If the file could not be copied.
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*/
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public static void copyFile(File src, File dst) throws IOException {
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InputStream in = new FileInputStream(src);
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OutputStream out = new FileOutputStream(dst);
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// Transfer bytes from in to out
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byte[] buf = new byte[8192];
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int len;
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while ((len = in.read(buf)) > 0) {
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out.write(buf, 0, len);
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}
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in.close();
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out.close();
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}
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/**
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* Prevent instantiation.
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*/
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private TestCaseUtils() {
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// No implementation.
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}
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}
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