Package com.sshtools.j2ssh.agent

Source Code of com.sshtools.j2ssh.agent.SshAgentKeyList

/*
*  SSHTools - Java SSH2 API
*
*  Copyright (C) 2002-2003 Lee David Painter and Contributors.
*
*  Contributions made by:
*
*  Brett Smith
*  Richard Pernavas
*  Erwin Bolwidt
*
*  This program is free software; you can redistribute it and/or
*  modify it under the terms of the GNU General Public License
*  as published by the Free Software Foundation; either version 2
*  of the License, or (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software
*  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
package com.sshtools.j2ssh.agent;

import com.sshtools.j2ssh.io.ByteArrayReader;
import com.sshtools.j2ssh.io.ByteArrayWriter;
import com.sshtools.j2ssh.subsystem.SubsystemMessage;
import com.sshtools.j2ssh.transport.InvalidMessageException;
import com.sshtools.j2ssh.transport.publickey.SshKeyPairFactory;
import com.sshtools.j2ssh.transport.publickey.SshPublicKey;

import java.io.IOException;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;


class SshAgentKeyList extends SubsystemMessage {
    /**  */
    public static final int SSH_AGENT_KEY_LIST = 104;
    private Map keys;

    /**
     * Creates a new SshAgentKeyList object.
     *
     * @param keys
     */
    public SshAgentKeyList(Map keys) {
        super(SSH_AGENT_KEY_LIST);
        this.keys = keys;
    }

    /**
     * Creates a new SshAgentKeyList object.
     */
    public SshAgentKeyList() {
        super(SSH_AGENT_KEY_LIST);
        this.keys = new HashMap();
    }

    /**
     *
     *
     * @return
     */
    public Map getKeys() {
        return keys;
    }

    /**
     *
     *
     * @return
     */
    public String getMessageName() {
        return "SSH_AGENT_KEY_LIST";
    }

    /**
     *
     *
     * @param baw
     *
     * @throws java.io.IOException
     * @throws com.sshtools.j2ssh.transport.InvalidMessageException DOCUMENT
     *         ME!
     * @throws InvalidMessageException
     */
    public void constructByteArray(ByteArrayWriter baw)
        throws java.io.IOException,
            com.sshtools.j2ssh.transport.InvalidMessageException {
        try {
            baw.writeInt(keys.size());

            Map.Entry entry;
            Iterator it = keys.entrySet().iterator();
            SshPublicKey key;
            String description;

            while (it.hasNext()) {
                entry = (Map.Entry) it.next();
                key = (SshPublicKey) entry.getKey();
                description = (String) entry.getValue();
                baw.writeBinaryString(key.getEncoded());
                baw.writeString(description);
            }
        } catch (IOException ex) {
            throw new InvalidMessageException("Failed to write message data");
        }
    }

    /**
     *
     *
     * @param bar
     *
     * @throws java.io.IOException
     * @throws com.sshtools.j2ssh.transport.InvalidMessageException DOCUMENT
     *         ME!
     * @throws InvalidMessageException
     */
    public void constructMessage(ByteArrayReader bar)
        throws java.io.IOException,
            com.sshtools.j2ssh.transport.InvalidMessageException {
        try {
            int num = (int) bar.readInt();
            SshPublicKey key;
            String description;
            byte[] buf;

            for (int i = 0; i < num; i++) {
                buf = bar.readBinaryString();
                key = SshKeyPairFactory.decodePublicKey(buf);
                description = bar.readString();
                keys.put(key, description);
            }
        } catch (IOException ex) {
            throw new InvalidMessageException("Failed to read message data");
        }
    }
}
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