Archive for the 'JSP' Category

Java & XML, 2nd Edition Colophon Our look (Database web hosting)

Tuesday, January 29th, 2008

Java & XML, 2nd Edition Colophon Our look is the result of reader comments, our own experimentation, and feedback from distribution channels. Distinctive covers complement our distinctive approach to technical topics, breathing personality and life into potentially dry subjects. The animals on the cover of Java & XML, Second Edition are lions (Panthera leo). These great cats differ from other solitary felines in that they form family groups, called prides. Prides consist of as many as 30 to 40 lions, most of which are females and their offspring. The lifespan of a lion is approximately 3-4 years. Full grown males can grow up to 10 feet in length; the only cat larger is the tiger. The lion’s eye is particularly sensitive to movement, and it can detect the movement of its prey from a great distance. Special receptor cells in the cat’s eye give it exceptional night vision. Lions live in eastern and southern Africa, although some subspecies of the African lion are endangered. The Asiatic lion (P.l. persica) once lived throughout India, the Middle East, and Southern Asia. Today, its population has been reduced to approximately 290 animals, which can be found in the Gir Forest National Park in Gujarat, western India. The Barbary and Cape lions are extinct. Lions are carnivores and prey on large herd animals. They are at the top of the food chain, the apex predator of their environment. The females are the hunters, while the males’ role is to protect the pride from other aggressive males. Lions are not as fast as other big cats, such as the cheetah. As a result, they concentrate on heavier, less agile animals, and hunt from ambush by driving prey toward concealed members of the hunting group. They use coordinated, cooperative techniques that enable the group to hunt with more success than an individual could. African lions eat wildebeest, zebra, antelope, gazelle, impala, and giraffe. Colleen Gorman was the production editor and copyeditor for Java & XML, Second Edition. Emily Quill was the proofreader, and Catherine Morris and Jane Ellin provided quality control. John Bickelhaupt wrote the index. Ellie Volckhausen designed the cover of this book, based on a series design by Edie Freedman. The cover image is a 19th-century engraving from Grosvenor Prints in London. Emma Colby produced the cover layout with Quark XPress 4.1 using Adobe’s ITC Garamond font. Melanie Wang designed the interior layout, based on a series design by Nancy Priest. The heading font is Bitstream Bodoni, the text font is ITC New Baskerville, and the code font is Constant Willison. Neil Walls and Anne-Marie Vaduva converted the files from Microsoft Word to FrameMaker 5.5.6 using tools created by Mike Sierra. The illustrations that appear in the book were produced by Jessamyn Read and Rob Romano using Macromedia FreeHand 9 and Adobe Photoshop 6.
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Java & XML, 2nd Edition Datatype: org.xml.sax.ext.DeclHandlerAccess: Read/write (Web hosting asp)

Tuesday, January 29th, 2008

Java & XML, 2nd Edition Datatype: org.xml.sax.ext.DeclHandlerAccess: Read/write when parsing, read/write when not parsing B.2.3 DOM Node When parsing is occurring, this property retrieves the current DOM node (if a DOM iterator is being used). When parsing is not occurring, it retrieves the root DOM node. Most of the parsers I used in testing for this book did not support this property except in very special cases; I wouldn’t rely on it providing useful information in the general case. URI: http://xml.org/sax/properties/dom-node Datatype: org.w3c.dom.NodeAccess: Read-only when parsing, read/write when not parsing B.2.4 Literal (XML) String This retrieves the literal characters in the XML document that triggered the event in process when this property is used. Like the DOM node feature, I found little use and little support for this property. Don’t depend on it, particularly across parsers. URI: http://xml.org/sax/properties/xml-string Datatype: java.lang.StringAccess: Read-only when parsing, read-only when not parsing
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Web hosting service - Java & XML, 2nd Edition B.1.4 Validation This

Monday, January 28th, 2008

Java & XML, 2nd Edition B.1.4 Validation This feature requests that validation occur and that any errors as a result of broken constraints be reported through the SAX ErrorHandler interface (if an implementation is registered). When set to false, no validation occurs, which is generally the default setting. You’ll need to check your parser vendor’s documentation to determine if this feature applies to both DTD and XML Schema validation. URI: http://xml.org/sax/features/validation Access: Read-only when parsing, read/write when not parsing B.1.5 Process External Entities (General) This feature requests that all general (textual) entities be processed within an XML document. Generally set to true in most parsers by default. URI: http://xml.org/sax/features/external-general-entities Access: Read-only when parsing, read/write when not parsing B.1.6 Process External Entities (Parameter) This feature requests that all external parameters be parsed, including those in any external DTD’s subset. By default, this is also usually true in most parsers. URI: http://xml.org/sax/features/external-parameter-entities Access: Read-only when parsing, read/write when not parsing B.2 Core Properties Properties provide a way to deal with objects used in the parsing process, particularly when dealing with handlers such as LexicalHandler and DeclHandler that are not in the core set of SAX 2.0 handlers (EntityResolver, DTDHandler, ContentHandler, and ErrorHandler). Any property can be read-only or read/write; features also may be modifiable only when parsing is occurring, or only when parsing is not occurring. B.2.1 Lexical Handler This property allows the setting and retrieval of a LexicalHandler implementation to be used for handling of comments and DTD references within an XML document. URI: http://xml.org/sax/properties/lexical-handler Datatype: org.xml.sax.ext.LexicalHandlerAccess: Read/write when parsing, read/write when not parsing B.2.2 Declaration Handler This property allows the setting and retrieval of a DeclHandler implementation to be used for handling of constraints within a DTD. URI: http://xml.org/sax/properties/declaration-handler
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Web hosting servers - Java & XML, 2nd Edition Appendix B. SAX

Monday, January 28th, 2008

Java & XML, 2nd Edition Appendix B. SAX 2.0 Features and Properties This appendix describes the SAX 2.0 standard features and properties. Although a vendor’s parsing software can add additional features and properties for vendor-specific functionality, this list represents the core set of functionality that any SAX 2.0-compliant parser implementation should support. B.1 Core Features The core set of features supported by SAX 2.0 XMLReader implementations is listed here. These features can be set through setFeature(), and the value of a feature can be obtained through getFeature(). Any feature can be read-only or read/write; features also may be modifiable only when parsing is occurring, or only when parsing is not occurring. For more information on SAX features and properties, refer to Chapter 2 and Chapter 3. B.1.1 Namespace Processing This feature instructs a parser to perform namespace processing, which causes namespace prefixes, namespace URIs, and element local names to be available through the SAX namespace callbacks (startPrefixMapping() and endPrefixMapping(), as well as certain parameters supplied to startElement() and endElement()). When this feature is true, the processing will occur. When false, namespace processing will not occur (this implies that the namespace prefix reporting feature is on). The default in most parsers is true. URI: http://xml.org/sax/features/namespaces Access: Read-only when parsing, read/write when not parsing B.1.2 Namespace Prefix Reporting This feature instructs a parser to report the attributes used in namespace declarations, such as the xmlns:[namespace URI] attributes. When this feature is not on (false), namespacerelated attributes are not reported, as the parser consumes them in order to discover a namespace prefix to URI mappings, and they are generally not of value to the wrapping application in that context. In addition, when namespace processing is turned on, generally namespace prefix mapping is turned off. The default in most parsers is false. URI: http://xml.org/sax/features/namespace-prefixes Access: Read-only when parsing, read/write when not parsing B.1.3 String Interning This feature dictates that all element raw and local names, namespace prefixes, and namespace URIs are interned using java.lang.String.intern(). When not on (false), all XML components are left as is. Newer, high-performance parsers usually have this set to false by default, so they can perform their own optimizations for dealing with character data. URI: http://xml.org/sax/features/string-interning Access: Read-only when parsing, read/write when not parsing
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Java & XML, (Web hosting mysql) 2nd Edition public Document build(Reader

Sunday, January 27th, 2008

Java & XML, 2nd Edition public Document build(Reader characterStream, String systemID); public Document build(File file); public Document build(URL url); public Document build(org.w3c.dom.Document domDocument); public Element build(org.w3c.dom.Element domElement); public void setDTDHandler(DTDHandler dtdHandler); public void setEntityResolver(EntityResolver entityResolver); public void setErrorHandler(ErrorHandler errorHandler); public void setExpandEntities(boolean expandEntities); public void setXMLFilter(XMLFilter xmlFilter); public void setIgnoringElementContentWhitespace(boolean ignore); public void setValidation(boolean validate); public void setFactory(JDOMFactory factory); } A.4.4 Package: org.jdom.output This package defines behavior for output of JDOM Document objects. Of particular note is the SAXOutputter class, which allows a JDOM Document to fire SAX events off to an application expecting SAX behavior, and DOMOutputter, which converts from JDOM to DOM structures. And, of course, XMLOutputter is by far the most common output class for JDOM objects. Like some of the classes in the org.jdom.input package, these three classes have, literally, hundreds of methods between them. Rather than fill ten pages with this rather boring information, I’ll again refer you to the Javadoc online at http://www.jdom.org/. That will have the most current options for using any of the JDOM outputter classes.
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Free web hosting with ftp - Java & XML, 2nd Edition requested, as can

Sunday, January 27th, 2008

Java & XML, 2nd Edition requested, as can the class name of the adapter to use. If neither is supplied, the default behavior occurs: no validation takes place and the Apache Xerces parser is used. You can also set the factory to use (see the JDOMFactory entry) for generating JDOM classes in the build process. public class DOMBuilder { public DOMBuilder(String adapterClass, boolean validate); public DOMBuilder(String adapterClass); public DOMBuilder(boolean validate); public DOMBuilder( ); public Document build(InputStream in); public Document build(File file); public Document build(URL url); public Document build(org.w3c.dom.Document domDocument); public Element build(org.w3c.dom.Element domElement); public void setValidation(boolean validate); public void setFactory(JDOMFactory factory); } A.4.3.3 JDOMFactory This interface allows users to provide their own factories that produce JDOM constructs (Element, Attribute, etc.). When a factory implementation is passed to a builder using the setFactory( ) method, this is used for creating new JDOM constructs. It allows complete customization of the JDOM object creation process. For the sake of brevity and clarity, I’m not going to include the very extensive list of methods available to this factory, but instead refer you to the Javadoc. Every possible construction of every JDOM class is included in this class, and all these methods return the type of object being constructed. A.4.3.4 SAXBuilder This class provides the ability to create a JDOM Document object from an XML input source using a parser that supports SAX, the Simple API for XML. It can use any SAX parser implementation that is SAX 2.0-compliant. When the SAXBuilder is constructed, validation can be requested, as well as the class name of the SAX driver to use. If neither is supplied, the default behavior occurs: no validation takes place and the Apache Xerces parser is used. You can also set the factory to use (see the JDOMFactory entry) for generating JDOM classes in the build process. public class SAXBuilder { public SAXBuilder(String saxDriverClass, boolean validate); public SAXBuilder(String saxDriverClass); public SAXBuilder(boolean validate); public SAXBuilder( ); public Document build(InputStream in); public Document build(InputStream in, String systemID); public Document build(InputSource inputSource); public Document build(Reader characterStream);
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Java & XML, 2nd Edition A.4.2.2 DOMAdapter This (Remote web server)

Saturday, January 26th, 2008

Java & XML, 2nd Edition A.4.2.2 DOMAdapter This class defines the interface that adapters must implement. This includes a means to produce a DOM Document from a filename or an InputStream, as well as a means of obtaining a new, empty DOM Document object. public interface DOMAdapter { public abstract Document getDocument(InputStream in, boolean validate) throws IOException; public abstract Document getDocument(File filename, boolean validate) throws IOException; public abstract Document createDocument(DocType docType) throws IOException; } Specific adapter classes are not detailed here, as additions and modifications may be made during publication of the book. As of this writing, functional adapters are provided for the following parsers: Oracle Version 1 XML Parser Oracle Version 2 XML Parser Sun Project X Parser Sun/Apache Crimson Parser Apache Xerces Parser IBM XML4J Parser A.4.3 Package: org.jdom.input This package defines the classes for building a JDOM Document object from various input sources, such as SAX streams and existing DOM trees. It also provides an interface for using customized versions of the JDOM classes, like user-defined subclasses of Element and Attribute. A.4.3.1 BuilderErrorHandler This is the default error handler used for JDOM document construction. public class BuilderErrorHandlerimplements org.xml.sax.ErrorHandler { public void warning(SAXParserException exception); public void error(SAXParserException exception); public void fatalError(SAXParserException exception); } A.4.3.2 DOMBuilder This class provides the ability to create a JDOM Document object from an XML input source using a parser that supports DOM, the Document Object Model. It uses the various adapters in org.jdom.adapters, so if a parser is requested for which there is no adapter, errors occur. Additionally, a method is provided for building a JDOM Document object from an existing DOM tree (org.w3c.dom.Document). When the DOMBuilder is constructed, validation can be
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Web hosting resellers - Java & XML, 2nd Edition public String getData(

Saturday, January 26th, 2008

Java & XML, 2nd Edition public String getData( ); public ProcessingInstruction setData(String data); public ProcessingInstruction setData(Map data); public String getValue(String name); public ProcessingInstruction setValue(String name, String value); public boolean removeValue(String name); public Object clone( ); public boolean equals(Object obj); public int hashCode( ); public String toString( ); } A.4.1.11 Text This class represents character data “owned” by a JDOM Element. It is generally invisible to the user, as the Element class converts this class to a simple String when the value is requested. It is only exposed through an Element’s getContent( ) method. public class Text { public Text(String stringValue); public Element getParent( ); public void append(String stringValue); public String getValue( ); public void setValue(String stringValue); public Object clone( ); public boolean equals(Object obj); public int hashCode( ); public String toString( ); } A.4.2 Package: org.jdom.adapters This package contains adapters that allow a standard interface for obtaining a DOM Document object from any DOM parser (including DOM Level 1 parsers). Adapters can be easily added for any parser that desires to have JDOM support. A.4.2.1 AbstractDOMAdapter This class provides default behavior for the version of getDocument( ) that takes in a filename by wrapping the file in a FileOutputStream and delegating invocation to getDocument(InputStream). public abstract class AbstractDOMAdapter implements DOMAdapter { public abstract Document getDocument(InputStream in, boolean validate) throws IOException; public abstract Document getDocument(File filename, boolean validate) throws IOException; public abstract Document createDocument(DocType docType) throws IOException; }
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Web hosting isp - Java & XML, 2nd Edition public void setSystemID(String

Saturday, January 26th, 2008

Java & XML, 2nd Edition public void setSystemID(String systemID); public EntityRef detach( ); public Object clone( ); public boolean equals(Object obj); public int hashCode( ); public String toString( ); } A.4.1.8 JDOMException This is the core JDOM Exception that other JDOM Exception classes subclass. It provides for error messages as well as the wrapping of a root cause Exception, in the case that a JDOMException needs to wrap a lower-level Exception. public class JDOMException extends Exception { public JDOMException( ); public JDOMException(String message); public JDOMException(String message, Throwable rootCause); public Throwable getCause( ); public String getMessage( ); } A.4.1.9 Namespace The Namespace class handles namespace mappings used in JDOM objects. public class Namespace { public static Namespace getNamespace(String uri); public static Namespace getNamespace(String prefix, String uri); public String getPrefix( ); public String getURI( ); public boolean equals(Object obj); public int hashCode( ); public String toString( ); } A.4.1.10 ProcessingInstruction ProcessingInstruction defines behavior for an XML processing instruction, modeled in Java. It allows specific handling for the target as well as the raw data for the target. Additionally, as many PIs use data in the form of name-value pairs (much like attributes), this allows retrieval and addition of name-value pairs. For example, in the processing instruction, invoking getValue(”type”) on the ProcessingInstruction representing that XML PI would return “xslt”. public class ProcessingInstruction { public ProcessingInstruction(String target, Map data); public ProcessingInstruction(String target, String data); public ProcessingInstruction detach( ); public Document getDocument( ); public Element getParent( ); public String getTarget( );
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Java & XML, 2nd Edition public boolean removeContent(Element (Web design software)

Friday, January 25th, 2008

Java & XML, 2nd Edition public boolean removeContent(Element element); public boolean removeContent(EntityRef entityRef); public boolean removeContent(ProcessingInstruction pi); public boolean hasChildren( ); public Element getChild(String name); public Element getChild(String name, Namespace ns); public List getChildren( ); public List getChildren(String name); public List getChildren(String name, Namespace ns); public boolean removeChild(String name); public boolean removeChild(String name, Namespace ns); public boolean removeChildren( ); public boolean removeChildren(String name); public boolean removeChildren(String name, Namespace ns); public Element setChildren(List children); public Attribute getAttribute(String name); public Attribute getAttribute(String name, Namespace ns); public List getAttributes( ); public String getAttributeValue(String name); public String getAttributeValue(String name, Namespace ns); public boolean removeAttribute(String name); public boolean removeAttribute(String name, Namespace ns); public Element setAttribute(Attribute attribute); public Element setAttributes(List attributes); public String getChildText(String name); public String getChildText(String name, Namespace ns); public String getChildTextTrim(String name); public String getChildTextTrim(String name, Namespace ns); public String getText( ); public String getTextNormalize( ); public String getTextTrim( ); public Element setText(String text); public boolean isRootElement( ); public Object clone( ); public boolean equals(Object obj); public int hashCode( ); public String toString( ); } A.4.1.7 EntityRef This class defines a JDOM model for entity references in XML documents. It allows for setting and accessing of the reference’s name, public ID, and system ID. public class EntityRef { public EntityRef(String name); public EntityRef(String name, String publicID, String systemID); public Document getDocument( ); public Element getParent( ); public String getName( ); public EntityRef setName(String name); public String getPublicID( ); public void setPublicID(String publicID); public String getSystemID( );
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