org.apache.log4j.lf5.util.Resource Maven / Gradle / Ivy
/*
* 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.
*/
package org.apache.log4j.lf5.util;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
/**
* Resource encapsulates access to Resources via the Classloader.
*
* @author Michael J. Sikorsky
* @author Robert Shaw
*/
// Contributed by ThoughtWorks Inc.
public class Resource {
//--------------------------------------------------------------------------
// Constants:
//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Protected Variables:
//--------------------------------------------------------------------------
protected String _name;
//--------------------------------------------------------------------------
// Private Variables:
//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Constructors:
//--------------------------------------------------------------------------
/**
* Default, no argument constructor.
*/
public Resource() {
super();
}
/**
* Construct a Resource given a name.
*
* @see #setName(String)
*/
public Resource(String name) {
_name = name;
}
//--------------------------------------------------------------------------
// Public Methods:
//--------------------------------------------------------------------------
/**
* Set the name of the resource.
*
* A resource is some data (images, audio, text, etc) that can be accessed
* by class code in a way that is independent of the location of the code.
*
*
* The name of a resource is a "/"-separated path name that identifies
* the resource.
*
*
* @see #getName()
*/
public void setName(String name) {
_name = name;
}
/**
* Get the name of the resource. Set setName() for a description of
* a resource.
*
* @see #setName
*/
public String getName() {
return (_name);
}
/**
* Get the InputStream for this Resource. Uses the classloader
* from this Resource.
*
* @see #getInputStreamReader
* @see ResourceUtils
*/
public InputStream getInputStream() {
InputStream in = ResourceUtils.getResourceAsStream(this, this);
return (in);
}
/**
* Get the InputStreamReader for this Resource. Uses the classloader from
* this Resource.
*
* @see #getInputStream
* @see ResourceUtils
*/
public InputStreamReader getInputStreamReader() {
InputStream in = ResourceUtils.getResourceAsStream(this, this);
if (in == null) {
return null;
}
InputStreamReader reader = new InputStreamReader(in);
return reader;
}
/**
* Get the URL of the Resource. Uses the classloader from this Resource.
*
* @see ResourceUtils
*/
public URL getURL() {
return (ResourceUtils.getResourceAsURL(this, this));
}
//--------------------------------------------------------------------------
// Protected Methods:
//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Private Methods:
//--------------------------------------------------------------------------
//--------------------------------------------------------------------------
// Nested Top-Level Classes or Interfaces:
//--------------------------------------------------------------------------
}