/*
* Encog(tm) Core v3.4 - Java Version
* http://www.heatonresearch.com/encog/
* https://github.com/encog/encog-java-core
* Copyright 2008-2016 Heaton Research, Inc.
*
* 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.persist.source;
import org.encog.EncogError;
import java.io.FileInputStream;
import java.io.InputStream;
/**
* Obtain an InputStream from an embedded resource.
*/
public class ObtainResourceInputStream implements ObtainInputStream {
/**
* The resources.
*/
private Class resources;
/**
* The name of the embedded resource.
*/
private String resourceName;
/**
* Construct the source for the specified resource name.
* @param theResourceName The resource name to read from.
* @param theResources Where to pull the resources from.
*/
public ObtainResourceInputStream(String theResourceName, Class theResources) {
this.resources = theResources;
this.resourceName = theResourceName;
}
/**
* {@inheritDoc}
*/
@Override
public InputStream obtain() {
final InputStream istream = this.resources.getResourceAsStream("/"+resourceName);
if (istream == null) {
throw new EncogError("Cannot access data set, make sure the resources are available.");
}
return istream;
}
}