/*
* 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 org.apache.jackrabbit.core.data;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
/**
* Data record that is based on a normal file.
*/
public class FileDataRecord extends AbstractDataRecord {
/**
* The file that contains the binary stream.
*/
private final File file;
/**
* Creates a data record based on the given identifier and file.
*
* @param identifier data identifier
* @param file file that contains the binary stream
*/
public FileDataRecord(
AbstractDataStore store, DataIdentifier identifier, File file) {
super(store, identifier);
assert file.isFile();
this.file = file;
}
/**
* {@inheritDoc}
*/
public long getLength() {
return file.length();
}
/**
* {@inheritDoc}
*/
public InputStream getStream() throws DataStoreException {
try {
return new LazyFileInputStream(file);
} catch (IOException e) {
throw new DataStoreException("Error opening input stream of " + file.getAbsolutePath(), e);
}
}
/**
* {@inheritDoc}
*/
public long getLastModified() {
return file.lastModified();
}
}