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Oracle® Application Server Containers for J2EE JSP Tag Libraries and Utilities Reference
10g Release 2 (10.1.2)
Part No. B14016-01
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Preface

JavaServer Pages (JSP) technology, as specified by an industry consortium led by Sun Microsystems, is a component of the standard Java 2 Enterprise Edition (J2EE). The J2EE component of the Oracle Application Server is known as the Oracle Application Server Containers for J2EE (OC4J).

This document provides reference information as well as some conceptual material for JSP tag libraries and utilities included with OC4J in Oracle Application Server 10g Release 2 (10.1.2). These libraries generally conform to the JSP specification.

For general information about the OC4J JSP implementation, including the JSP tag library framework, refer to the Oracle Application Server Containers for J2EE Support for JavaServer Pages Developer's Guide.

This preface contains the following sections:

Intended Audience

This document is intended for Web application developers using servlet and JavaServer Pages technology. It assumes that working Web, servlet, and JSP environments already exist, and that readers are already familiar with the following:

You can refer to the Oracle Application Server Containers for J2EE Support for JavaServer Pages Developer's Guide for background information about standard JavaServer Pages technology, the Oracle JSP implementation, and tag library support.

Documentation Accessibility

Our goal is to make Oracle products, services, and supporting documentation accessible, with good usability, to the disabled community. To that end, our documentation includes features that make information available to users of assistive technology. This documentation is available in HTML format, and contains markup to facilitate access by the disabled community. Standards will continue to evolve over time, and Oracle is actively engaged with other market-leading technology vendors to address technical obstacles so that our documentation can be accessible to all of our customers. For additional information, visit the Oracle Accessibility Program Web site at

http://www.oracle.com/accessibility/

Accessibility of Code Examples in Documentation

JAWS, a Windows screen reader, may not always correctly read the code examples in this document. The conventions for writing code require that closing braces should appear on an otherwise empty line; however, JAWS may not always read a line of text that consists solely of a bracket or brace.

Accessibility of Links to External Web Sites in Documentation

This documentation may contain links to Web sites of other companies or organizations that Oracle does not own or control. Oracle neither evaluates nor makes any representations regarding the accessibility of these Web sites.

Structure

This document contains:

Chapter 1, "Overview of Tag Libraries and Utilities"

This chapter provides an overview of the tag libraries documented in the remainder of the manual, as well as overviews of tag libraries provided with other Oracle components, outside of OC4J.

Chapter 2, "JavaBeans for Extended Types"

This chapter discusses JavaBeans provided with the JSP Markup Language (JML) library that can be used as extended Java types.

Chapter 3, "JSP Markup Language Tags"

This provides JML syntax and tag descriptions, as well as an overview of the philosophy behind the JML tag library.

Chapter 4, "Data-Access JavaBeans and Tags"

This documents JavaBeans and tags for database access.

Chapter 5, "XML and XSL Tag Support"

This chapter describes tags to use in handling XML documents and outputting or transforming their data.

Chapter 6, "JESI Tags for Edge Side Includes"

This chapter describes the Oracle implementation of JESI tags to support Edge Side Includes technology for Web caching.

Chapter 7, "Web Object Cache Tags and API"

This describes concepts, custom tags, the Java API, and XML descriptor files for the Web Object Cache, an application-level Java caching interface provided with OC4J.

Chapter 8, "File Access and Mail Beans and Tags"

This chapter covers tags and JavaBeans for file access (uploading and downloading) and e-mail.

Chapter 9, "JSP Utilities and Utility Tags"

This chapter discusses miscellaneous utility features included with OC4J: JspScopeListener for event-handling, tags for using EJBs, and general utility tags.

Chapter 10, "Web Services Tags"

This chapter describes the Web services tag library, which allows developers to create JSP pages for use as client programs for Web services.

Appendix A, "JML Compile-Time Syntax and Tags"

This chapter provides an overview of the compile-time implementation of the Oracle JML sample tag library (the only way the library was supported in pre-JSP 1.1 releases), and documents tags not supported in the runtime implementation that is documented in Chapter 3.

Appendix B, "Third Party Licenses"

This appendix includes the Third Party License for third party products included with Oracle Application Server and discussed in this document.

Related Documents

For more information, see these Oracle resources:

Additional OC4J documents available from the Oracle Java Platform Group:

This document (not to be confused with the Oracle Application Server 10g Security Guide), describes security features and implementations particular to OC4J. This includes information about using JAAS, the Java Authentication and Authorization Service, as well as other Java security technologies.

Also available from the Oracle Java Platform group:

Available from the Oracle Application Server group:

Available from the Oracle JDeveloper group:

Available from the Oracle Server Technologies group:

Printed documentation is available for sale in the Oracle Store at

http://oraclestore.oracle.com/

To download free release notes, installation documentation, white papers, or other collateral, please visit the Oracle Technology Network (OTN). You must register online before using OTN; registration is free and can be done at

http://www.oracle.com/technology/membership/

If you already have a user name and password for OTN, then you can go directly to the documentation section of the OTN Web site at

http://www.oracle.com/technology/documentation

The following OTN Web site for Java servlets and JavaServer Pages is also available:

http://www.oracle.com/technology/tech/java/servlets/

The following resources are available from Sun Microsystems.

Conventions

The following conventions are also used in this manual:

Convention Meaning
. . . Horizontal ellipsis points in statements or commands mean that parts of the statement or command not directly related to the example have been omitted
boldface text Boldface type in text indicates a term defined in the text, the glossary, or in both locations.
Italics Italic typeface indicates book titles or emphasis, or terms that are defined in the text.
Monospace (fixed-width) font Monospace typeface within text indicates items such as executables, file names, directory names, Java class names, Java method names, variable names, other programmatic elements (such as JSP tags or attributes, or XML elements or attributes), or database SQL commands or elements (such as schema names, table names, or column names).
Italic monospace (fixed-width) font Italic monospace font represents placeholders or variables.
< > Angle brackets enclose user-supplied names.
[ ] Brackets enclose optional clauses from which you can choose one or none.
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A vertical bar represents a choice of two or more options. Enter one of the options. Do not enter the vertical bar.