NamedData.java
/* Copyright 2002-2020 CS Group
* Licensed to CS Group (CS) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* CS 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.orekit.data;
import java.io.IOException;
import java.io.InputStream;
/** Container for holding named data that can be {@link DataFilter filtered}.
* <p>
* This class is a simple container without any processing methods.
* </p>
* @see DataFilter
* @author Luc Maisonobe
* @since 9.2
*/
public class NamedData {
/** Name of the data (file name, zip entry name...). */
private final String name;
/** Supplier for data stream. */
private final StreamOpener streamOpener;
/** Simple constructor.
* @param name data name
* @param streamOpener opener for the data stream
*/
public NamedData(final String name, final StreamOpener streamOpener) {
this.name = name;
this.streamOpener = streamOpener;
}
/** Get the name of the data.
* @return name of the data
*/
public String getName() {
return name;
}
/** Get the data stream opener.
* @return data stream opener
*/
public StreamOpener getStreamOpener() {
return streamOpener;
}
/** Interface for lazy-opening a stream. */
public interface StreamOpener {
/** Open the stream.
* @return opened stream
* @exception IOException if stream cannot be opened
*/
InputStream openStream() throws IOException;
}
}