me.jaimegarza.syntax.util

Class PathUtils

java.lang.Object

me.jaimegarza.syntax.util.PathUtils

public class PathUtils
extends Object

Utilities to manage filenames in the system. Portions copy/pasted from commons-io, Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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.

Author:

jgarza

Constructor Summary

Constructors

Constructor and Description
PathUtils()

Method Summary

Modifier and Type	Method and Description
static int	extensionSeparatorIndex(String filename) Locate the index of the file's extension.
static int	filenameSeparatorIndex(String filename) Locate where the path ends So to say: c:\path.name\filename: index of \ before filename /path.name/filename: index of / before filename c:\path/filename: -index of / before filename c:/path\filename.ext: index of \ before filename
static String	getFileExtension(String filePath) Get only the file extension given a path
static String	getFileName(String filePath) Get the filename (with extension of a file path).
static String	getFileNameNoExtension(String filePath) Get the filename, and then strip the extension
static String	getFilePath(String filePath) Get the path of the filename, minus filename and extension
static String	getFilePathWithSeparator(String filePath) Get the path of the filename, minus filename and extension

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PathUtils

public PathUtils()

Method Detail

filenameSeparatorIndex

public static int filenameSeparatorIndex(String filename)

Locate where the path ends
So to say:

• c:\path.name\filename: index of \ before filename
• /path.name/filename: index of / before filename
• c:\path/filename: -index of / before filename
• c:/path\filename.ext: index of \ before filename

Parameters:

filename - is the filename to examine

Returns:

the index of the last separator, or -1

extensionSeparatorIndex

public static int extensionSeparatorIndex(String filename)

Locate the index of the file's extension. I locate the last dot and compare to see if it is in the filename portion, or the path portion.
So to say:

• c:\path.name\filename: -1
• /path.name/filename: -1
• c:\path\filename: -1
• /path/filename: -1
• c:\path\filename.ext: dot before ext
• /path/filename.ext: dot before ext

Parameters:

filename - is the filename to examine

Returns:

the index of the dot in the filename, or -1

getFileName

public static String getFileName(String filePath)

Get the filename (with extension of a file path). We will guide ourselves by the position of the slashes.

Parameters:

filePath - is the complete or partial filename

Returns:

the filename portion of the path, including extension

getFileNameNoExtension

public static String getFileNameNoExtension(String filePath)

Get the filename, and then strip the extension

Parameters:

filePath - is the filename to examine

Returns:

the filename minus the extension

getFileExtension

public static String getFileExtension(String filePath)

Get only the file extension given a path

Parameters:

filePath - is the path to examine

Returns:

the extension if existing

getFilePath

public static String getFilePath(String filePath)

Get the path of the filename, minus filename and extension

Parameters:

filePath - is the path to examine

Returns:

the path, or ""

getFilePathWithSeparator

public static String getFilePathWithSeparator(String filePath)

Get the path of the filename, minus filename and extension

Parameters:

filePath - is the path to examine

Returns:

the path, or ""