Fixed Java 1.5 compatibility issue

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1230515 13f79535-47bb-0310-9956-ffa450edef68

httpclient-cache/src/main/java/org/apache/http/impl/client/cache/memcached/MemcachedHttpCacheStorage.java

@@ -128,7 +128,7 @@ public class MemcachedHttpCacheStorage implements HttpCacheStorage {
         try {
             client.set(url, 0, bos.toByteArray());
         } catch (OperationTimeoutException ex) {
-            throw new IOException(ex);
+            throw new MemcachedOperationTimeoutException(ex);
         }
     }
 
@@ -152,7 +152,7 @@ public class MemcachedHttpCacheStorage implements HttpCacheStorage {
         try {
             return reconstituteEntry(client.get(url));
         } catch (OperationTimeoutException ex) {
-            throw new IOException(ex);
+            throw new MemcachedOperationTimeoutException(ex);
         }
     }
 
@@ -160,7 +160,7 @@ public class MemcachedHttpCacheStorage implements HttpCacheStorage {
         try {
             client.delete(url);
         } catch (OperationTimeoutException ex) {
-            throw new IOException(ex);
+            throw new MemcachedOperationTimeoutException(ex);
         }
     }
 
@@ -188,7 +188,7 @@ public class MemcachedHttpCacheStorage implements HttpCacheStorage {
                     } else return;
                 }
             } catch (OperationTimeoutException ex) {
-                throw new IOException(ex);
+                throw new MemcachedOperationTimeoutException(ex);
             }
         } while (numRetries <= maxUpdateRetries);
 

httpclient-cache/src/main/java/org/apache/http/impl/client/cache/memcached/MemcachedOperationTimeoutException.java

@@ -0,0 +1,40 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+package org.apache.http.impl.client.cache.memcached;
+
+import java.io.IOException;
+
+class MemcachedOperationTimeoutException extends IOException {
+
+    private static final long serialVersionUID = 1608334789051537010L;
+
+    public MemcachedOperationTimeoutException(final Throwable cause) {
+        super(cause.getMessage());
+        initCause(cause);
+    }
+
+}