1 files changed, 80 insertions, 0 deletions
diff --git a/pkix/src/main/java/org/spongycastle/cert/path/CertPath.java b/pkix/src/main/java/org/spongycastle/cert/path/CertPath.java
new file mode 100644
index 00000000..bbb20a4d
--- /dev/null
+++ b/pkix/src/main/java/org/spongycastle/cert/path/CertPath.java
@@ -0,0 +1,80 @@
+package org.spongycastle.cert.path;
+
+import org.spongycastle.cert.X509CertificateHolder;
+
+public class CertPath
+{
+    private final X509CertificateHolder[] certificates;
+
+    public CertPath(X509CertificateHolder[] certificates)
+    {
+        this.certificates = copyArray(certificates);
+    }
+
+    public X509CertificateHolder[] getCertificates()
+    {
+        return copyArray(certificates);
+    }
+
+    public CertPathValidationResult validate(CertPathValidation[] ruleSet)
+    {
+        CertPathValidationContext context = new CertPathValidationContext(CertPathUtils.getCriticalExtensionsOIDs(certificates));
+
+        for (int i = 0; i != ruleSet.length; i++)
+        {
+            for (int j = certificates.length - 1; j >= 0; j--)
+            {
+                try
+                {
+                    context.setIsEndEntity(j == 0);
+                    ruleSet[i].validate(context, certificates[j]);
+                }
+                catch (CertPathValidationException e)
+                {   // TODO: introduce object to hold (i and e)
+                    return new CertPathValidationResult(context, j, i, e);
+                }
+            }
+        }
+
+        return new CertPathValidationResult(context);
+    }
+
+    public CertPathValidationResult evaluate(CertPathValidation[] ruleSet)
+    {
+        CertPathValidationContext context = new CertPathValidationContext(CertPathUtils.getCriticalExtensionsOIDs(certificates));
+
+        CertPathValidationResultBuilder builder = new CertPathValidationResultBuilder();
+
+        for (int i = 0; i != ruleSet.length; i++)
+        {
+            for (int j = certificates.length - 1; j >= 0; j--)
+            {
+                try
+                {
+                    context.setIsEndEntity(j == 0);
+                    ruleSet[i].validate(context, certificates[j]);
+                }
+                catch (CertPathValidationException e)
+                {
+                   builder.addException(e);
+                }
+            }
+        }
+
+        return builder.build();
+    }
+
+    private X509CertificateHolder[] copyArray(X509CertificateHolder[] array)
+    {
+        X509CertificateHolder[] rv = new X509CertificateHolder[array.length];
+
+        System.arraycopy(array, 0, rv, 0, rv.length);
+
+        return rv;
+    }
+
+    public int length()
+    {
+        return certificates.length;
+    }
+}