From b5759b5f4f01771a615c100c1d87adc702a6ef71 Mon Sep 17 00:00:00 2001
From: Dmitri Plotnikov <dplotnikov@google.com>
Date: Tue, 1 Sep 2009 15:58:40 -0700
Subject: [PATCH] Adding a convenience method to resolve contact lookup URI to
 a regular content URI

---
 .../android/provider/ContactsContract.java    | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/core/java/android/provider/ContactsContract.java b/core/java/android/provider/ContactsContract.java
index 9dfab99e5cb87..2b67946096c5e 100644
--- a/core/java/android/provider/ContactsContract.java
+++ b/core/java/android/provider/ContactsContract.java
@@ -288,6 +288,32 @@ public final class ContactsContract {
             return null;
         }
 
+        /**
+         * Computes a content URI (see {@link #CONTENT_URI}) given a lookup URI.
+         * <p>
+         * Returns null if the contact cannot be found.
+         */
+        public static Uri lookupContact(ContentResolver resolver, Uri lookupUri) {
+            if (lookupUri == null) {
+                return null;
+            }
+
+            Cursor c = resolver.query(lookupUri, new String[]{Contacts._ID}, null, null, null);
+            if (c == null) {
+                return null;
+            }
+
+            try {
+                if (c.moveToFirst()) {
+                    long contactId = c.getLong(0);
+                    return ContentUris.withAppendedId(Contacts.CONTENT_URI, contactId);
+                }
+            } finally {
+                c.close();
+            }
+            return null;
+        }
+
         /**
          * The content:// style URI for this table joined with useful data from
          * {@link Data}.