Java Canonical Path Create getCanonicalFile(@Nullable final File aFile)

Description

Get the canonical file of the passed file, if the file is not null.

License

Apache License

Parameter

Parameter	Description
aFile	The file to get the canonical path from. May be <code>null</code>.

Exception

Parameter	Description
IOException	If an I/O error occurs, which is possible because the constructionof the canonical pathname may require filesystem queries

Return

null if the passed file is null.

Declaration

@Nullable
public static File getCanonicalFile(@Nullable final File aFile) throws IOException 

Method Source Code

//package com.java2s;
/**/*from w w  w .ja v a2  s.  c om*/
 * Copyright (C) 2014-2017 Philip Helger (www.helger.com)
 * philip[at]helger[dot]com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file 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.
 */

import java.io.File;

import java.io.IOException;

import javax.annotation.Nullable;

public class Main {
    /**
     * Get the canonical file of the passed file, if the file is not
     * <code>null</code>.
     *
     * @param aFile
     *        The file to get the canonical path from. May be <code>null</code>.
     * @return <code>null</code> if the passed file is <code>null</code>.
     * @throws IOException
     *         If an I/O error occurs, which is possible because the construction
     *         of the canonical pathname may require filesystem queries
     */
    @Nullable
    public static File getCanonicalFile(@Nullable final File aFile) throws IOException {
        return aFile == null ? null : aFile.getCanonicalFile();
    }
}

Related

1. getCanonicalCharset(String charset)
2. getCanonicalCharsetQuiet(String charset)
3. getCanonicalDirectory(final String rawDir)
4. getCanonicalDirectory(String path, String errPrefix)
5. getCanonicalFile(File f)
6. getCanonicalFile(File file)
7. getCanonicalFile(File file)
8. getCanonicalFile(File file)