| /* |
| * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 in the LICENSE file that |
| * accompanied this code). |
| * |
| * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.security.provider.certpath; |
| |
| import java.util.Set; |
| |
| import java.security.InvalidAlgorithmParameterException; |
| import java.security.KeyStore; |
| import java.security.KeyStoreException; |
| import java.security.cert.*; |
| |
| /** |
| * This class specifies the set of parameters used as input for the Sun |
| * certification path build algorithm. It is identical to PKIXBuilderParameters |
| * with the addition of a <code>buildForward</code> parameter which allows |
| * the caller to specify whether or not the path should be constructed in |
| * the forward direction. |
| * |
| * The default for the <code>buildForward</code> parameter is |
| * true, which means that the build algorithm should construct paths |
| * from the target subject back to the trusted anchor. |
| * |
| * @since 1.4 |
| * @author Sean Mullan |
| * @author Yassir Elley |
| */ |
| public class SunCertPathBuilderParameters extends PKIXBuilderParameters { |
| |
| private boolean buildForward = true; |
| |
| /** |
| * Creates an instance of <code>SunCertPathBuilderParameters</code> with the |
| * specified parameter values. |
| * |
| * @param trustAnchors a <code>Set</code> of <code>TrustAnchor</code>s |
| * @param targetConstraints a <code>CertSelector</code> specifying the |
| * constraints on the target certificate |
| * @throws InvalidAlgorithmParameterException if the specified |
| * <code>Set</code> is empty <code>(trustAnchors.isEmpty() == true)</code> |
| * @throws NullPointerException if the specified <code>Set</code> is |
| * <code>null</code> |
| * @throws ClassCastException if any of the elements in the <code>Set</code> |
| * are not of type <code>java.security.cert.TrustAnchor</code> |
| */ |
| public SunCertPathBuilderParameters(Set<TrustAnchor> trustAnchors, |
| CertSelector targetConstraints) throws InvalidAlgorithmParameterException |
| { |
| super(trustAnchors, targetConstraints); |
| setBuildForward(true); |
| } |
| |
| /** |
| * Creates an instance of <code>SunCertPathBuilderParameters</code> that |
| * uses the specified <code>KeyStore</code> to populate the set |
| * of most-trusted CA certificates. |
| * |
| * @param keystore A keystore from which the set of most-trusted |
| * CA certificates will be populated. |
| * @param targetConstraints a <code>CertSelector</code> specifying the |
| * constraints on the target certificate |
| * @throws KeyStoreException if the keystore has not been initialized. |
| * @throws InvalidAlgorithmParameterException if the keystore does |
| * not contain at least one trusted certificate entry |
| * @throws NullPointerException if the keystore is <code>null</code> |
| */ |
| public SunCertPathBuilderParameters(KeyStore keystore, |
| CertSelector targetConstraints) |
| throws KeyStoreException, InvalidAlgorithmParameterException |
| { |
| super(keystore, targetConstraints); |
| setBuildForward(true); |
| } |
| |
| /** |
| * Returns the value of the buildForward flag. |
| * |
| * @return the value of the buildForward flag |
| */ |
| public boolean getBuildForward() { |
| return this.buildForward; |
| } |
| |
| /** |
| * Sets the value of the buildForward flag. If true, paths |
| * are built from the target subject to the trusted anchor. |
| * If false, paths are built from the trusted anchor to the |
| * target subject. The default value if not specified is true. |
| * |
| * @param buildForward the value of the buildForward flag |
| */ |
| public void setBuildForward(boolean buildForward) { |
| this.buildForward = buildForward; |
| } |
| |
| /** |
| * Returns a formatted string describing the parameters. |
| * |
| * @return a formatted string describing the parameters. |
| */ |
| public String toString() { |
| StringBuffer sb = new StringBuffer(); |
| sb.append("[\n"); |
| sb.append(super.toString()); |
| sb.append(" Build Forward Flag: " + String.valueOf(buildForward) + "\n"); |
| sb.append("]\n"); |
| return sb.toString(); |
| } |
| } |