EopParserLoader.java
/* Contributed in the public domain.
* 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.frames;
import java.io.IOException;
import java.io.InputStream;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.orekit.data.DataLoader;
/**
* Implementation of {@link DataLoader} based on {@link EopHistoryLoader.Parser} that
* loads all files and compiles the results into one data structure.
*
* @author Evan Ward
* @since 10.1
*/
class EopParserLoader implements DataLoader {
/** Parser for EOP data files. */
private final EopHistoryLoader.Parser parser;
/** History entries. */
private final List<EOPEntry> history;
/**
* Create a {@link DataLoader} based on a {@link EopHistoryLoader.Parser}. Loads
* all EOP data into a single collection.
*
* @param parser for the EOP data files.
*/
EopParserLoader(final EopHistoryLoader.Parser parser) {
this.parser = parser;
this.history = new ArrayList<>();
}
/**
* Get the parsed EOP entries.
*
* @return the parsed EOP data. The returned collection is a reference, not a
* copy. It is not guaranteed to be sorted.
*/
public Collection<EOPEntry> getEop() {
return history;
}
/** {@inheritDoc} */
public boolean stillAcceptsData() {
return true;
}
@Override
public void loadData(final InputStream input, final String name)
throws IOException, ParseException {
history.addAll(parser.parse(input, name));
}
}