microsoft-azure-storage/src/com/microsoft/azure/storage/AccessCondition.java
public static AccessCondition generateIfModifiedSinceCondition(final Date lastMotified) {
        AccessCondition retCondition = new AccessCondition();
        retCondition.ifModifiedSinceDate = lastMotified;
        return retCondition;
    }
public static AccessCondition generateIfModifiedSinceCondition(final Date lastMotified) {
        AccessCondition retCondition = new AccessCondition();
        retCondition.ifModifiedSinceDate = lastMotified;
        return retCondition;
    }
Returns an access condition such that an operation will be performed only if the resource has been modified since
the specified time.
<p>
Setting this access condition modifies the request to include the HTTP <i>If-Modified-Since</i> conditional
header. If this access condition is set, the operation is performed only if the resource has been modified since
the specified time.
<p>
For more information, see <a href= 'http://go.microsoft.com/fwlink/?LinkID=224642'>Specifying Conditional Headers
for Blob Service Operations</a>.

@param lastMotified
A <code>java.util.Date</code> object that represents the last-modified time to check for the resource.

@return An <code>AccessCondition</code> object that represents the <i>If-Modified-Since</i> condition.