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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.util;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Collections;
import java.util.Map;

import org.apache.sshd.common.util.IoUtils;
import org.apache.sshd.server.shell.InvertedShell;

public class BogusInvertedShell implements InvertedShell {

    private final OutputStream in;
    private final InputStream out;
    private final InputStream err;

    // for test assertions
    private boolean started = false;
    private boolean alive = true;
    private Map<String, String> env = null;

    public BogusInvertedShell(OutputStream in, InputStream out, InputStream err) {
        this.in = in;
        this.out = out;
        this.err = err;
    }

    public void start(Map<String, String> env) throws IOException {
        this.started = true;
        this.env = Collections.unmodifiableMap(env);
    }

    public OutputStream getInputStream() {
        return in;
    }

    public InputStream getOutputStream() {
        return out;
    }

    public InputStream getErrorStream() {
        return err;
    }

    public boolean isAlive() {
        return alive;
    }

    public int exitValue() {
        return 0;
    }

    public void destroy() {
        IoUtils.closeQuietly(in);
        IoUtils.closeQuietly(out);
        IoUtils.closeQuietly(err);
    }

    public boolean isStarted() {
        return started;
    }

    public Map<String, String> getEnv() {
        return env;
    }

    public void setAlive(boolean alive) {
        this.alive = alive;
    }
}