1 package com.atlassian.plugins.rest.module.jersey; 2 3 import java.util.List; 4 import java.util.Map; 5 6 class HeaderHelper 7 { 8 static String getSingleHeaderValue(final Map<String, List<String>> headerMap, final String headerName, final String defaultValue) 9 { 10 String value = defaultValue; 11 List<String> contentTypeHeaders = headerMap.get(headerName); 12 if (contentTypeHeaders != null && contentTypeHeaders.size() == 1) 13 { 14 value = contentTypeHeaders.get(0); 15 } 16 return value; 17 } 18 }