1 files changed, 74 insertions, 0 deletions
diff --git a/Crypto/src/cms/SignerInformationStore.cs b/Crypto/src/cms/SignerInformationStore.cs
new file mode 100644
index 000000000..bd613843d
--- /dev/null
+++ b/Crypto/src/cms/SignerInformationStore.cs
@@ -0,0 +1,74 @@
+using System;
+using System.Collections;
+using System.IO;
+
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Cms
+{
+ public class SignerInformationStore
+ {
+ private readonly IList all; //ArrayList[SignerInformation]
+ private readonly IDictionary table = Platform.CreateHashtable(); // Hashtable[SignerID, ArrayList[SignerInformation]]
+
+ public SignerInformationStore(
+ ICollection signerInfos)
+ {
+ foreach (SignerInformation signer in signerInfos)
+ {
+ SignerID sid = signer.SignerID;
+ IList list = (IList)table[sid];
+
+ if (list == null)
+ {
+ table[sid] = list = Platform.CreateArrayList(1);
+ }
+
+ list.Add(signer);
+ }
+
+ this.all = Platform.CreateArrayList(signerInfos);
+ }
+
+ /**
+ * Return the first SignerInformation object that matches the
+ * passed in selector. Null if there are no matches.
+ *
+ * @param selector to identify a signer
+ * @return a single SignerInformation object. Null if none matches.
+ */
+ public SignerInformation GetFirstSigner(
+ SignerID selector)
+ {
+ IList list = (IList) table[selector];
+
+ return list == null ? null : (SignerInformation) list[0];
+ }
+
+ /// <summary>The number of signers in the collection.</summary>
+ public int Count
+ {
+ get { return all.Count; }
+ }
+
+ /// <returns>An ICollection of all signers in the collection</returns>
+ public ICollection GetSigners()
+ {
+ return Platform.CreateArrayList(all);
+ }
+
+ /**
+ * Return possible empty collection with signers matching the passed in SignerID
+ *
+ * @param selector a signer id to select against.
+ * @return a collection of SignerInformation objects.
+ */
+ public ICollection GetSigners(
+ SignerID selector)
+ {
+ IList list = (IList) table[selector];
+
+ return list == null ? Platform.CreateArrayList() : Platform.CreateArrayList(list);
+ }
+ }
+}
|
