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Mithil Shah In this tutorial we explore the package structure and important classes for Jdom2. org.jdom2 This package contains the core classes that represent the XML components. Document – Represents the complete XML document. It provides access to the root element and also the docType. DocType – Represents an XML DOCTYPE. Element – Represents an XML element. … Read more
What is JDOM JDOM is an in-memory XML model that can be used to read, write, create and modify XML Documents. JDOM is similar to DOM in that they both provide an in-memory XML document model, but while DOM is designed to work the same in multiple languages (C, C++, ECMAScript, Java, JScript, Lingo, PHP, … Read more
Overview Woodstox supports SAX parsing with (Document Type Definition) DTD validations. Essentially the structure of XML is validated against the DTD specification. In the following program, we shall explore how to validate an XML document against a DTD by using Woodstox SAX validation capabilitites. Create employeeSchema.xml file as shown below. It describes the elements that … Read more
Overview SAX (Simple API for XML) is an event based parser. The XML document is accessed sequentially and elements of the XML file are handled using callback methods in SAX API. In the following program, we’ll explore how Woodstox provides support for SAX parsing. Create the XML file to be parsed as shown below. It … Read more
Overview Woodstox provides numerous settings to control XML processing. A bulk of these settings are available in XMLInputFactory class. A listing of these settings is provided below: Property Details IS_NAMESPACE_AWARE To turn on/off namespace support.This is to support XML 1.0 documents, IS_VALIDATING To turn on/off implementation specific validation IS_COALESCING Requires the parser to coalesce adjacent … Read more
Overview In certain cases, Woodstox may need to process large XML documents in low memory environment. In such a scenario, Woodstox can be configured to work optimally under low memory condition. In this article, we shall see how to configure woodstox for low memory usage. Create employee.xml as shown below. Create TestConfigurationForLowMemory class as shown … Read more
Overview Woodstox provides various configuration options for efficient performance based on environment constraints. In this article, we shall see how to configure Woodstox for speed assuming that memory is not a significant constraint. Create employee.xml as shown below. Create TestConfigurationForSpeed class as shown below. The configuration for speed is defined using XMLInputFactory2.configureForSpeed() (see line 19 … Read more
Overview This article demonstrates the usage of XMLReporter in handling warning during StAX parsing. Create employee.dtd as shown below. Note that the entity ‘commonAddress’ is defined twice in the DTD (see lines 5-6 below). This will throw a warning condition during parsing. Create employee.xml as shown below. Create TestWarning as shown below. Define a custom … Read more
Overview In this article, we shall demonstrate how details of validation error can be obtained by using ValidationProblem class. Create the employee.dtd as shown below. It defines the employee element that contains id, name and salary sub-elements. Create invalidEmployee.xml as shown below. Note that it is not in accordance with employee.dtd described above as it … Read more
Overview In this article, we shall demonstrate handling of exception when XML is not well formed. Create employee.xml as shown below. Note that this XML document is not well-formed e.g. the ‘salary’ end element is not properly closed (see line 4 below). Create TestXmlException class. Note that XMLStreamException is caught and error message is redirected … Read more