feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/sun/security/provider/certpath/ForwardState.java

@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) 2000, 2023, 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.io.IOException;
+import java.security.cert.CertificateException;
+import java.security.cert.CertPathValidatorException;
+import java.security.cert.PKIXCertPathChecker;
+import java.security.cert.X509Certificate;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.ListIterator;
+import javax.security.auth.x500.X500Principal;
+
+import sun.security.util.Debug;
+import sun.security.x509.X509CertImpl;
+
+/**
+ * A specification of a forward PKIX validation state
+ * which is initialized by each build and updated each time a
+ * certificate is added to the current path.
+ * @since       1.4
+ * @author      Yassir Elley
+ */
+class ForwardState implements State {
+
+    private static final Debug debug = Debug.getInstance("certpath");
+
+    /* The issuer DN of the last cert in the path */
+    X500Principal issuerDN;
+
+    /* The last cert in the path */
+    X509CertImpl cert;
+
+    /*
+     * The number of intermediate CA certs which have been traversed so
+     * far in the path
+     */
+    int traversedCACerts;
+
+    /* Flag indicating if state is initial (path is just starting) */
+    private boolean init = true;
+
+    /* the untrusted certificates checker */
+    UntrustedChecker untrustedChecker;
+
+    /* The list of user-defined checkers that support forward checking */
+    ArrayList<PKIXCertPathChecker> forwardCheckers;
+
+    /* Flag indicating if last cert in path is self-issued */
+    boolean selfIssued;
+
+    /**
+     * Returns a boolean flag indicating if the state is initial
+     * (just starting)
+     *
+     * @return boolean flag indicating if the state is initial (just starting)
+     */
+    @Override
+    public boolean isInitial() {
+        return init;
+    }
+
+    /**
+     * Display state for debugging purposes
+     */
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("State [");
+        sb.append("\n  issuerDN of last cert: ").append(issuerDN);
+        sb.append("\n  traversedCACerts: ").append(traversedCACerts);
+        sb.append("\n  init: ").append(String.valueOf(init));
+        sb.append("\n  selfIssued: ").append
+                 (String.valueOf(selfIssued));
+        sb.append("]\n");
+        return sb.toString();
+    }
+
+    /**
+     * Initialize the state.
+     *
+     * @param certPathCheckers the list of user-defined PKIXCertPathCheckers
+     */
+    public void initState(List<PKIXCertPathChecker> certPathCheckers)
+        throws CertPathValidatorException
+    {
+        traversedCACerts = 0;
+
+        /*
+         * Populate forwardCheckers with every user-defined checker
+         * that supports forward checking and initialize the forwardCheckers
+         */
+        forwardCheckers = new ArrayList<PKIXCertPathChecker>();
+        for (PKIXCertPathChecker checker : certPathCheckers) {
+            if (checker.isForwardCheckingSupported()) {
+                checker.init(true);
+                forwardCheckers.add(checker);
+            }
+        }
+
+        init = true;
+    }
+
+    /**
+     * Update the state with the next certificate added to the path.
+     *
+     * @param cert the certificate which is used to update the state
+     */
+    @Override
+    public void updateState(X509Certificate cert)
+        throws CertificateException, IOException, CertPathValidatorException {
+
+        if (cert == null)
+            return;
+
+        X509CertImpl icert = X509CertImpl.toImpl(cert);
+
+        /* update certificate */
+        this.cert = icert;
+
+        /* update issuer DN */
+        issuerDN = cert.getIssuerX500Principal();
+
+        selfIssued = X509CertImpl.isSelfIssued(cert);
+        if (!selfIssued) {
+
+            /*
+             * update traversedCACerts only if this is a non-self-issued
+             * intermediate CA cert
+             */
+            if (!init && cert.getBasicConstraints() != -1) {
+                traversedCACerts++;
+            }
+        }
+
+        init = false;
+    }
+
+    /*
+     * Clone current state. The state is cloned as each cert is
+     * added to the path. This is necessary if backtracking occurs,
+     * and a prior state needs to be restored.
+     */
+    @Override
+    @SuppressWarnings("unchecked") // Safe casts assuming clone() works correctly
+    public Object clone() {
+        try {
+            ForwardState clonedState = (ForwardState) super.clone();
+
+            /* clone checkers, if cloneable */
+            clonedState.forwardCheckers = (ArrayList<PKIXCertPathChecker>)
+                                                forwardCheckers.clone();
+            ListIterator<PKIXCertPathChecker> li =
+                                clonedState.forwardCheckers.listIterator();
+            while (li.hasNext()) {
+                PKIXCertPathChecker checker = li.next();
+                if (checker instanceof Cloneable) {
+                    li.set((PKIXCertPathChecker)checker.clone());
+                }
+            }
+
+            return clonedState;
+        } catch (CloneNotSupportedException e) {
+            throw new InternalError(e.toString(), e);
+        }
+    }
+}