68 lines
2.5 KiB
Java
68 lines
2.5 KiB
Java
/*******************************************************************************
|
|
* Copyright (c) 2015-2018 Skymind, Inc.
|
|
*
|
|
* This program and the accompanying materials are made available under the
|
|
* terms of the Apache License, Version 2.0 which is available at
|
|
* https://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.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
******************************************************************************/
|
|
|
|
package org.nd4j.linalg.util;
|
|
|
|
import org.nd4j.config.ND4JSystemProperties;
|
|
|
|
import java.io.File;
|
|
import java.io.IOException;
|
|
|
|
/**
|
|
* Utilities for working with temporary files
|
|
*
|
|
* @author Alex Black
|
|
*/
|
|
public class ND4JFileUtils {
|
|
|
|
private ND4JFileUtils(){ }
|
|
|
|
/**
|
|
* Create a temporary file in the location specified by {@link ND4JSystemProperties#ND4J_TEMP_DIR_PROPERTY} if set,
|
|
* or the default temporary directory (usually specified by java.io.tmpdir system property)
|
|
* @param prefix Prefix for generating file's name; must be at least 3 characeters
|
|
* @param suffix Suffix for generating file's name; may be null (".tmp" will be used if null)
|
|
* @return A temporary file
|
|
*/
|
|
public static File createTempFile(String prefix, String suffix) {
|
|
String p = System.getProperty(ND4JSystemProperties.ND4J_TEMP_DIR_PROPERTY);
|
|
try {
|
|
if (p == null || p.isEmpty()) {
|
|
return File.createTempFile(prefix, suffix);
|
|
} else {
|
|
return File.createTempFile(prefix, suffix, new File(p));
|
|
}
|
|
} catch (IOException e){
|
|
throw new RuntimeException("Error creating temporary file", e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the temporary directory. This is the location specified by {@link ND4JSystemProperties#ND4J_TEMP_DIR_PROPERTY} if set,
|
|
* or the default temporary directory (usually specified by java.io.tmpdir system property)
|
|
* @return Temporary directory
|
|
*/
|
|
public static File getTempDir(){
|
|
String p = System.getProperty(ND4JSystemProperties.ND4J_TEMP_DIR_PROPERTY);
|
|
if(p == null || p.isEmpty()){
|
|
return new File(System.getProperty("java.io.tmpdir"));
|
|
} else {
|
|
return new File(p);
|
|
}
|
|
}
|
|
|
|
}
|