/*
* Copyright 2003-2016 JetBrains s.r.o.
*
* Licensed 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 jetbrains.mps.persistence;
import jetbrains.mps.persistence.PersistenceUtil.StreamDataSourceBase;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.persistence.datasource.DataSourceType;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* Bare input source for models backed by plain byte array.
* Doesn't dispatch events (nor track listeners), doesn't manage timestamp.
* {@linkplain #openInputStream() input stream} could be open multiple times.
*
* @author Artem Tikhomirov
* @since 3.4
*/
public class ByteArrayInputSource extends StreamDataSourceBase {
private final byte[] myInput;
public ByteArrayInputSource(@NotNull byte[] input) {
myInput = input;
}
@Override
public InputStream openInputStream() throws IOException {
return new ByteArrayInputStream(myInput);
}
@Nullable
@Override
public DataSourceType getType() {
return null;
}
}