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/*
 * 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.sshd.common.util.io;

import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;

/**
 * TODO Add javadoc
 *
 * @author Apache MINA SSHD Project
 */
public class NoCloseInputStream extends FilterInputStream {
    public NoCloseInputStream(InputStream in) {
        super(in);
    }

    @Override
    public void close() throws IOException {
        // ignored
    }

    public static InputStream resolveInputStream(InputStream input, boolean okToClose) {
        if ((input == null) || okToClose) {
            return input;
        } else {
            return new NoCloseInputStream(input);
        }
    }
}