Java Web Services

Java Web Services Developer Pack v1.3 Zhongnan Shen 12/04/2003 Outlines  What is WSDP?  What’s in WSDP?  An Example The Coffee Break Application  Resources What is WSDP  A free integrated toolkit used to build and test XML applications, Web services, and Web applications with the latest Web service technologies and standards implementations ;  Supports WS-I Basic Profile 1.0;  Can be downloaded at http://java.sun.com/webservices/downloads/webservicespack.html size:26M; platform: windows, unix What’s in WSDP  Java Architecture for XML Binding (JAXB) v1.0.2;  Java API for XML Processing (JAXP) v1.2.4;  Java API for XML-based RPC (JAX-RPC) v1.1;  SOAP with Attachments API for Java (SAAJ) v1.2;  Java API for XML Registries (JAXR) v1.0.5;  JavaServer Faces (JSF) v1.0 EA4;  JavaServer Pages Standard Tag Library (JSTL) v1.1 EA;  XML and Web Services Security v1.0 EA2;  Java WSDP Registry Server v1.0_06;  Ant Build Tool 1.5.4;  Apache Tomcat v5 development container;  Ws-I Supply Chain Management Sample Application 1.0; What’s in WSDP  Java Architecture for XML Binding (JAXB)  Providing API and tools for automating the mapping between XML documents and Java objects;  Compiling an XML schema into one or more Java technology classes;  The following operations can be performed:  unmarshal XML content into a Java representation;  access, update and validate the Java representation against schema constraint;  marshal the Java representation of the XML content into XML content. What’s in WSDP  Java Architecture for XML Binding (JAXB) XML Schema Java Class Files <xsd:element name="purchaseOrder" type="PurchaseOrderType"/> PurchaseOrder. java <xsd:element name="comment" type="xsd:string"/> Comment.java <xsd:complexType name="PurchaseOrderType"> <xsd:sequence> <xsd:element name="shipTo" type="USAddress"/> <xsd:element name="billTo" type="USAddress"/> <xsd:element ref="comment" minOccurs="0"/> </xsd:sequence> <xsd:attribute name="orderDate" type="xsd:date"/> </xsd:complexType> PurchaseOrder Type.java What’s in WSDP  Java API for XML Processing (JAXP)  supports processing of XML documents using DOM, SAX, and XSLT;  Document Object Model (DOM): an application programming interface for HTML and XML documents;  Simple API for XML (SAX): a common interface implemented for many different XML parsers;  XSL Transformations (XSLT): a language for transforming XML documents into other XML documents;  supports for XML schema and an XSLT compiler (XSLTC); What’s in WSDP  Java API for XML-Based RPC (JAX-RPC)  an API for building Web services and clients that use remote procedure calls (RPC) and XML ;  an easy-to-develop programming model for development of SOAP based web services, including web service clients and endpoints;  developers are not exposed to the complexity of SOAP protocol level mechanisms;  support for WSDL->Java and Java->WSDL mapping;  support for SOAP message processing model;  support for document based messaging;  support HTTP level session management and SSL based security mechanisms. What’s in WSDP  Java API for XML-Based RPC (JAX-RPC) What’s in WSDP  SOAP with Attachments API for Java (SAAJ)  enables developers to produce and consume messages conforming to the SOAP 1.1 specification and SOAP with Attachments note;  derived from the package originally defined in the JAXM 1.0 specification;  SOAP messages can contain both XML contents and non-XML contents (as attachments);  Messages sent using the SAAJ API are called request-response messages; [...]... service and SAAJ service CheckoutFormBean submits suborders to each distributor Resources  Java Web Services Developer Pack 1.3 dowload: http:/ /java. sun.com/webservices/downloads/webservice spack.html Tutorial: http:/ /java. sun.com/webservices/docs/1.3/tutorial/doc/i ndex.html Sample Applications: http:/ /java. sun.com/webservices/docs/1.3/wsisampleapp/index.html Thanks for Listening ... in WSDP  XML and Web Services Security  Transport-Level Security security is addressed by the transport layer  Basic Authentication with JAX-RPC;  Client-Certificate Authentication over HTTP/SSL with JAX-RPC;  Message-Level Security security information is contained within the SOAP message What’s in WSDP  Java WSDP Registry Server    The Java Web Services Developer Pack (Java WSDP) Registry... Java WSDP Registry Server    The Java Web Services Developer Pack (Java WSDP) Registry Server implements Version 2 of UDDI; provide a UDDI registry for Web services in a private environment; use it with the Java WSDP APIs as a test registry for Web services application development An Example  Coffee Break Application The Coffee Break server obtains the coffee varieties and their prices by querying... WSDP  Java API for XML Registries (JAXR) What’s in WSDP  JavaServer Faces Technologies   a server-side user interface framework for Java technology-based Web applications ; Main components include:   A set of APIs for: representing UI components and managing their state; handling events and input validation; defining page navigation; supporting internationalization and accessibility A JavaServer...What’s in WSDP  SOAP with Attachments API for Java (SAAJ) What’s in WSDP  Java API for XML Registries (JAXR)   provides a uniform and standard Java API for accessing different kinds of XML Registries;  ebXML Registry and Repository standard;  Universal Description, Discovery, and Integration (UDDI); JAXR enables Java software programmers to use a single, easy-to-use abstraction... components within a JSP page What’s in WSDP  JavaServer Faces Technologies What’s in WSDP  JavaServer Pages Standard Tag Library (JSTL) encapsulates core functionality common to many JSP applications;  ${item.quantity} What’s in WSDP  JavaServer Pages Standard Tag Library (JSTL)... request …… SOAPMessage response = con.call(request, endpoint); An Example-Coffee Break  Coffee Break Server The Coffee Break Server uses servlets, JSP pages, and JavaBeans components to dynamically construct HTML pages for consumption by a Web browser client  RetailPriceListServlet   & RetailPriceList The RetailPriceListServlet responds to requests to reload the price list; Component RetailPriceList . downloaded at http:/ /java. sun.com/webservices/downloads/webservicespack.html size:26M; platform: windows, unix What’s in WSDP  Java Architecture for. v1.0.5;  JavaServer Faces (JSF) v1.0 EA4;  JavaServer Pages Standard Tag Library (JSTL) v1.1 EA;  XML and Web Services Security v1.0 EA2;  Java WSDP