systemsigner.java

来自「This is a resource based on j2me embedde」· Java 代码 · 共 119 行

/*
 * @(#)SystemSigner.java	1.36 06/10/10
 *
 * Copyright  1990-2008 Sun Microsystems, Inc. All Rights Reserved.  
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER  
 *   
 * This program is free software; you can redistribute it and/or  
 * modify it under the terms of the GNU General Public License version  
 * 2 only, as published by the Free Software Foundation.   
 *   
 * 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 version 2 for more details (a copy is  
 * included at /legal/license.txt).   
 *   
 * You should have received a copy of the GNU General Public License  
 * version 2 along with this work; if not, write to the Free Software  
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  
 * 02110-1301 USA   
 *   
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa  
 * Clara, CA 95054 or visit www.sun.com if you need additional  
 * information or have any questions. 
 *
 */

package sun.security.provider;

import java.util.*;
import java.security.*;

/**
 * SunSecurity signer. Like SystemIdentity, it has a trust bit, which
 * can be set by SunSecurity classes, and a set of accessors for other
 * classes in sun.security.*.
 *
 * @version 1.36, 10/10/06
 * @author Benjamin Renaud
 */

public class SystemSigner extends Signer {

    /** use serialVersionUID from JDK 1.1. for interoperability */
    private static final long serialVersionUID = -2127743304301557711L;

    /* Is this signer trusted */
    private boolean trusted = false;

    /**
     * Construct a signer with a given name.
     */
    public SystemSigner(String name) {
	super(name);
    }

    /**
     * Construct a signer with a name and a scope.
     *
     * @param name the signer's name.
     *
     * @param scope the scope for this signer.
     */
    public SystemSigner(String name, IdentityScope scope)
     throws KeyManagementException {

	super(name, scope);
    }

    /* Set the trust status of this signer */
    void setTrusted(boolean trusted) {
	this.trusted = trusted;
    }

    /**
     * Returns true if this signer is trusted.
     */
    public boolean isTrusted() {
	return trusted;
    }

    /* friendly callback for set keys */
    void setSignerKeyPair(KeyPair pair)
    throws InvalidParameterException, KeyException {
	setKeyPair(pair);
    }

    /* friendly callback for getting private keys */
    PrivateKey getSignerPrivateKey() {
	return getPrivateKey();
    }

    void setSignerInfo(String s) {
	setInfo(s);
    }

    /**
     * Call back method into a protected method for package friends.
     */
    void addSignerCertificate(Certificate cert) throws KeyManagementException {
	addCertificate(cert);
    }

    void clearCertificates() throws KeyManagementException {
	Certificate[] certs = certificates();
	for (int i = 0; i < certs.length; i++) {
	    removeCertificate(certs[i]);
	}
    }

    public String toString() {
	String trustedString = "not trusted";
	if (trusted) {
	    trustedString = "trusted";
	}
	return super.toString() + "[" + trustedString + "]";
    }
}