Java Resource File toFile(Class c, String resource)

Description

Converts the URL of the specified resource into an abstract pathname.

License

Open Source License

Parameter

Parameter	Description
c	class to be used to find the resource
resource	name of the desired resource

Exception

Parameter	Description
IllegalArgumentException	if the URL of the specified resource does not adhere to the<code>file</code> scheme

Return

the abstract pathname denoted by the specified resource

Declaration

public static File toFile(Class c, String resource) 

Method Source Code

//package com.java2s;
/*//from ww  w.  j  ava2  s.  c  o m
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the JBPM BPEL PUBLIC LICENSE AGREEMENT as
 * published by JBoss Inc.; either version 1.0 of the License, or
 * (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 */

import java.io.File;

import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;

public class Main {
    /**
     * Converts the URL of the specified resource into an abstract pathname.
     * @param c class to be used to find the resource
     * @param resource name of the desired resource
     * @return the abstract pathname denoted by the specified resource
     * @throws IllegalArgumentException if the URL of the specified resource does not adhere to the
     * <code>file</code> scheme
     */
    public static File toFile(Class c, String resource) {
        URL resourceUrl = c.getResource(resource);
        if (resourceUrl == null)
            return null;
        try {
            return new File(new URI(resourceUrl.toExternalForm()));
        } catch (URISyntaxException e) {
            // should not happen
            throw new AssertionError(e);
        }
    }
}

Related

1. printUsage(ResourceBundle bundle)
2. put(String resource, Map headers, String data)
3. resourceExists(String s)
4. runtimeResourceLocation(String src)
5. sanitizeResource(String inputResource)
6. toStream(String resource)
7. unpackDeps(final String resource, final ClassLoader cl)