opennlp.tools.cmdline.SystemInputStreamFactory 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 opennlp.tools.cmdline;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import opennlp.tools.util.InputStreamFactory;
public class SystemInputStreamFactory implements InputStreamFactory {
private boolean isTainted = false;
public static Charset encoding() {
return Charset.defaultCharset();
}
@Override
public InputStream createInputStream() throws IOException {
if (!isTainted) {
isTainted = true;
return System.in;
}
else {
throw new UnsupportedOperationException(
"The System.in stream can't be re-created to read from the beginning!");
}
}
}