Open Source APIs for Processing the XML Result of Web Services

The aim of this system is to use open source APIs to invoke and process the results of the Web services and to apply confidentiality and integration to the result of the Web services. In this system Web Services are requested using URL (Uniform Resource Locator) query to the WWW instead of SOAP message. When invoking the web services using JAX-RPC (Java Api for Xml-Based Remote Procedure Call) with SOAP request, the result returned may not be received properly due to de-serialization problem of complex XML data sets. Therefore it is required to invoke such services by submitting the query as URL query and received the results as XML data set. This XML data set may be hampered by man-in-middle attack during transfer. Hence this system uses open source APIs for providing XML signature and XML encryption. At the receiver after decryption and integrity check, the required node from XML data set is extracted and presented to the user. This article is focused on usage of open source APIs (Application program interface) for invoking web services as Restful Web services, applying XML signature and XML encryption, parsing the XML result after reverse process at receiver side and extracting the required nodes according to the user given condition. The problem of de-serialization in receiving huge XML result is resolved in the proposed system.