Ant example source code file (SSHUserInfo.java)

This example Ant source code file (SSHUserInfo.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Ant tags/keywords

sshuserinfo, sshuserinfo, string, string, uikeyboardinteractive, uikeyboardinteractive, userinfo, userinfo

The SSHUserInfo.java source code

/*
 *  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.tools.ant.taskdefs.optional.ssh;

import com.jcraft.jsch.UserInfo;
import com.jcraft.jsch.UIKeyboardInteractive;

/**
 * Class containing information on an SSH user.
 */
public class SSHUserInfo implements UserInfo, UIKeyboardInteractive {

    private String name;
    private String password = null;
    private String keyfile;
    private String passphrase = null;
    private boolean trustAllCertificates;

    /** Constructor for SSHUserInfo. */
    public SSHUserInfo() {
        super();
        this.trustAllCertificates = false;
    }

    /**
     * Constructor for SSHUserInfo.
     * @param password the user's password
     * @param trustAllCertificates if true trust hosts whose identity is unknown
     */
    public SSHUserInfo(String password, boolean trustAllCertificates) {
        super();
        this.password = password;
        this.trustAllCertificates = trustAllCertificates;
    }

    /**
     * Gets the user name.
     * @return the user name
     */
    public String getName() {
        return name;
    }

    /**
     * Gets the pass phrase of the user.
     * @param message a message
     * @return the passphrase
     */
    public String getPassphrase(String message) {
        return passphrase;
    }

    /**
     * Gets the user's password.
     * @return the user's password
     */
    public String getPassword() {
        return password;
    }

    /**
     * Prompts a string.
     * @param str the string
     * @return whether the string was prompted
     */
    public boolean prompt(String str) {
        return false;
    }

    /**
     * Indicates whether a retry was done.
     * @return whether a retry was done
     */
    public boolean retry() {
        return false;
    }

    /**
     * Sets the name.
     * @param name The name to set
     */
    public void setName(String name) {
        this.name = name;
    }

    /**
     * Sets the passphrase.
     * @param passphrase The passphrase to set
     */
    public void setPassphrase(String passphrase) {
        this.passphrase = passphrase;
    }

    /**
     * Sets the password.
     * @param password The password to set
     */
    public void setPassword(String password) {
        this.password = password;
    }

    /**
     * Sets the trust.
     * @param trust whether to trust or not.
     */
    public void setTrust(boolean trust) {
        this.trustAllCertificates = trust;
    }

    /**
     * @return whether to trust or not.
     */
    public boolean getTrust() {
        return this.trustAllCertificates;
    }

    /**
     * Returns the passphrase.
     * @return String
     */
    public String getPassphrase() {
        return passphrase;
    }

    /**
     * Returns the keyfile.
     * @return String
     */
    public String getKeyfile() {
        return keyfile;
    }

    /**
     * Sets the keyfile.
     * @param keyfile The keyfile to set
     */
    public void setKeyfile(String keyfile) {
        this.keyfile = keyfile;
    }

    /**
     * Implement the UserInfo interface.
     * @param message ignored
     * @return true always
     */
    public boolean promptPassphrase(String message) {
        return true;
    }

    /**
     * Implement the UserInfo interface.
     * @param passwordPrompt ignored
     * @return true the first time this is called, false otherwise
     */
    public boolean promptPassword(String passwordPrompt) {
        return true;
    }

    /**
     * Implement the UserInfo interface.
     * @param message ignored
     * @return the value of trustAllCertificates
     */
    public boolean promptYesNo(String message) {
        return trustAllCertificates;
    }

//why do we do nothing?
    /**
     * Implement the UserInfo interface (noop).
     * @param message ignored
     */
    public void showMessage(String message) {
        //log(message, Project.MSG_DEBUG);
    }

    /**
     * Implementation of UIKeyboardInteractive#promptKeyboardInteractive.
     * @param destination not used.
     * @param name        not used.
     * @param instruction not used.
     * @param prompt      the method checks if this is one in length.
     * @param echo        the method checks if the first element is false.
     * @return the password in an size one array if there is a password
     *         and if the prompt and echo checks pass.
     */
    public String[] promptKeyboardInteractive(String destination,
                                              String name,
                                              String instruction,
                                              String[] prompt,
                                              boolean[] echo) {
        if (prompt.length != 1 || echo[0] || this.password == null) {
            return null;
        }
        String[] response = new String[1];
        response[0] = this.password;
        return response;
    }

}