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Added in API level 1

Summary: Ctors | Methods | Inherited Methods | [Expand All]

XMLFilterImpl

public class XMLFilterImpl
extends Object implements XMLFilter, EntityResolver, DTDHandler, ContentHandler, ErrorHandler

java.lang.Object
	org.xml.sax.helpers.XMLFilterImpl

用于派生XML过滤器的基类。

This module, both source code and documentation, is in the Public Domain, and comes with NO WARRANTY. See http://www.saxproject.org for further information.

这个类被设计为位于XMLReader和客户端应用程序的事件处理程序之间。默认情况下，它没有做任何事情，只是将请求传递给读写器并将事件传递给未经修改的处理程序，但子类可以覆盖特定的方法以在事件流或配置请求通过时修改它们。

也可以看看：

摘要(Summary)

Public constructors
`XMLFilterImpl()` 构建一个空白的XML过滤器，没有父项。
`XMLFilterImpl(XMLReader parent)` 用指定的父级构建一个XML过滤器。

公共方法(Public methods)
`void`	`characters(char[] ch, int start, int length)` 筛选字符数据事件。
`void`	`endDocument()` 过滤结束文档事件。
`void`	`endElement(String uri, String localName, String qName)` 过滤结束元素事件。
`void`	`endPrefixMapping(String prefix)` 筛选结束命名空间前缀映射事件。
`void`	`error(SAXParseException e)` 过滤错误事件。
`void`	`fatalError(SAXParseException e)` 筛选致命的错误事件。
`ContentHandler`	`getContentHandler()` 获取内容事件处理程序。
`DTDHandler`	`getDTDHandler()` 获取当前的DTD事件处理程序。
`EntityResolver`	`getEntityResolver()` 获取当前的实体解析器。
`ErrorHandler`	`getErrorHandler()` 获取当前错误事件处理程序。
`boolean`	`getFeature(String name)` 查找功能的值。
`XMLReader`	`getParent()` 获得父母的读者。
`Object`	`getProperty(String name)` 查找一个属性的值。
`void`	`ignorableWhitespace(char[] ch, int start, int length)` 过滤可忽略的空白事件。
`void`	`notationDecl(String name, String publicId, String systemId)` 过滤符号声明事件。
`void`	`parse(String systemId)` 解析文档。
`void`	`parse(InputSource input)` 解析文档。
`void`	`processingInstruction(String target, String data)` 过滤处理指令事件。
`InputSource`	`resolveEntity(String publicId, String systemId)` 过滤外部实体解析。
`void`	`setContentHandler(ContentHandler handler)` 设置内容事件处理程序。
`void`	`setDTDHandler(DTDHandler handler)` 设置DTD事件处理程序。
`void`	`setDocumentLocator(Locator locator)` 筛选新的文档定位器事件。
`void`	`setEntityResolver(EntityResolver resolver)` 设置实体解析器。
`void`	`setErrorHandler(ErrorHandler handler)` 设置错误事件处理程序。
`void`	`setFeature(String name, boolean value)` 设置功能的值。
`void`	`setParent(XMLReader parent)` 设置父母阅读器。
`void`	`setProperty(String name, Object value)` 设置属性的值。
`void`	`skippedEntity(String name)` 过滤一个跳过的实体事件。
`void`	`startDocument()` 筛选开始文档事件。
`void`	`startElement(String uri, String localName, String qName, Attributes atts)` 筛选开始元素事件。
`void`	`startPrefixMapping(String prefix, String uri)` 筛选开始名称空间前缀映射事件。
`void`	`unparsedEntityDecl(String name, String publicId, String systemId, String notationName)` 过滤未解析的实体声明事件。
`void`	`warning(SAXParseException e)` 过滤一个警告事件。

继承方法(Inherited methods)

From class java.lang.Object

From interface org.xml.sax.XMLFilter

From interface org.xml.sax.EntityResolver

From interface org.xml.sax.DTDHandler

From interface org.xml.sax.ContentHandler

From interface org.xml.sax.ErrorHandler

From interface org.xml.sax.XMLReader

Public constructors

XMLFilterImpl

Added in API level 1

XMLFilterImpl ()

构建一个空白的XML过滤器，没有父项。

此过滤器没有父项：除非您将此用作纯事件使用者而不是 XMLReader ，否则必须在开始分析之前分配父项或使用setFeature或setProperty进行任何配置。

也可以看看：

XMLFilterImpl

Added in API level 1

XMLFilterImpl (XMLReader parent)

用指定的父级构建一个XML过滤器。

参数(Parameters)
`parent`	`XMLReader`: the XML reader from which this filter receives its events.

也可以看看：

setParent(XMLReader)
getParent()

公共方法(Public methods)

characters

Added in API level 1

void characters (char[] ch, 
                int start, 
                int length)

筛选字符数据事件。

参数(Parameters)
`ch`	`char`: An array of characters.
`start`	`int`: The starting position in the array.
`length`	`int`: The number of characters to use from the array.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

endDocument

Added in API level 1

void endDocument ()

过滤结束文档事件。

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

endElement

Added in API level 1

void endElement (String uri, 
                String localName, 
                String qName)

过滤结束元素事件。

参数(Parameters)
`uri`	`String`: The element's Namespace URI, or the empty string.
`localName`	`String`: The element's local name, or the empty string.
`qName`	`String`: The element's qualified (prefixed) name, or the empty string.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

endPrefixMapping

Added in API level 1

void endPrefixMapping (String prefix)

筛选结束命名空间前缀映射事件。

参数(Parameters)
`prefix`	`String`: The Namespace prefix.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

error

Added in API level 1

void error (SAXParseException e)

过滤错误事件。

参数(Parameters)
`e`	`SAXParseException`: The error as an exception.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

fatalError

Added in API level 1

void fatalError (SAXParseException e)

筛选致命的错误事件。

参数(Parameters)
`e`	`SAXParseException`: The error as an exception.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

getContentHandler

Added in API level 1

ContentHandler getContentHandler ()

获取内容事件处理程序。

返回(Returns)
`ContentHandler`	The current content handler, or null if none was set.

getDTDHandler

Added in API level 1

DTDHandler getDTDHandler ()

获取当前的DTD事件处理程序。

返回(Returns)
`DTDHandler`	The current DTD handler, or null if none was set.

getEntityResolver

Added in API level 1

EntityResolver getEntityResolver ()

获取当前的实体解析器。

返回(Returns)
`EntityResolver`	The current entity resolver, or null if none was set.

getErrorHandler

Added in API level 1

ErrorHandler getErrorHandler ()

获取当前错误事件处理程序。

返回(Returns)
`ErrorHandler`	The current error handler, or null if none was set.

getFeature

Added in API level 1

boolean getFeature (String name)

查找功能的值。

This will always fail if the parent is null.

参数(Parameters)
`name`	`String`: The feature name.

返回(Returns)
`boolean`	The current value of the feature.

抛出异常(Throws)
`SAXNotRecognizedException`	If the feature value can't be assigned or retrieved from the parent.
`SAXNotSupportedException`	When the parent recognizes the feature name but cannot determine its value at this time.

getParent

Added in API level 1

XMLReader getParent ()

获得父母的读者。

返回(Returns)
`XMLReader`	The parent XML reader, or null if none is set.

也可以看看：

setParent(XMLReader)

getProperty

Added in API level 1

Object getProperty (String name)

查找一个属性的值。

参数(Parameters)
`name`	`String`: The property name.

返回(Returns)
`Object`	The current value of the property.

抛出异常(Throws)
`SAXNotRecognizedException`	If the property value can't be assigned or retrieved from the parent.
`SAXNotSupportedException`	When the parent recognizes the property name but cannot determine its value at this time.

ignorableWhitespace

Added in API level 1

void ignorableWhitespace (char[] ch, 
                int start, 
                int length)

过滤可忽略的空白事件。

参数(Parameters)
`ch`	`char`: An array of characters.
`start`	`int`: The starting position in the array.
`length`	`int`: The number of characters to use from the array.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

notationDecl

Added in API level 1

void notationDecl (String name, 
                String publicId, 
                String systemId)

过滤符号声明事件。

参数(Parameters)
`name`	`String`: The notation name.
`publicId`	`String`: The notation's public identifier, or null.
`systemId`	`String`: The notation's system identifier, or null.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

parse

Added in API level 1

void parse (String systemId)

解析文档。

参数(Parameters)
`systemId`	`String`: The system identifier as a fully-qualified URI.

抛出异常(Throws)
`SAXException`	Any SAX exception, possibly wrapping another exception.
`IOException`	An IO exception from the parser, possibly from a byte stream or character stream supplied by the application.

parse

Added in API level 1

void parse (InputSource input)

解析文档。

参数(Parameters)
`input`	`InputSource`: The input source for the document entity.

抛出异常(Throws)
`SAXException`	Any SAX exception, possibly wrapping another exception.
`IOException`	An IO exception from the parser, possibly from a byte stream or character stream supplied by the application.

processingInstruction

Added in API level 1

void processingInstruction (String target, 
                String data)

过滤处理指令事件。

参数(Parameters)
`target`	`String`: The processing instruction target.
`data`	`String`: The text following the target.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

resolveEntity

Added in API level 1

InputSource resolveEntity (String publicId, 
                String systemId)

过滤外部实体解析。

参数(Parameters)
`publicId`	`String`: The entity's public identifier, or null.
`systemId`	`String`: The entity's system identifier.

返回(Returns)
`InputSource`	A new InputSource or null for the default.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.
`IOException`	The client may throw an I/O-related exception while obtaining the new InputSource.

setContentHandler

Added in API level 1

void setContentHandler (ContentHandler handler)

设置内容事件处理程序。

参数(Parameters)
`handler`	`ContentHandler`: the new content handler

setDTDHandler

Added in API level 1

void setDTDHandler (DTDHandler handler)

设置DTD事件处理程序。

参数(Parameters)
`handler`	`DTDHandler`: the new DTD handler

setDocumentLocator

Added in API level 1

void setDocumentLocator (Locator locator)

筛选新的文档定位器事件。

参数(Parameters)
`locator`	`Locator`: The document locator.

setEntityResolver

Added in API level 1

void setEntityResolver (EntityResolver resolver)

设置实体解析器。

参数(Parameters)
`resolver`	`EntityResolver`: The new entity resolver.

setErrorHandler

Added in API level 1

void setErrorHandler (ErrorHandler handler)

设置错误事件处理程序。

参数(Parameters)
`handler`	`ErrorHandler`: the new error handler

setFeature

Added in API level 1

void setFeature (String name, 
                boolean value)

设置功能的值。

如果父项为空，这将始终失败。

参数(Parameters)
`name`	`String`: The feature name.
`value`	`boolean`: The requested feature value.

抛出异常(Throws)
`SAXNotRecognizedException`	If the feature value can't be assigned or retrieved from the parent.
`SAXNotSupportedException`	When the parent recognizes the feature name but cannot set the requested value.

setParent

Added in API level 1

void setParent (XMLReader parent)

设置父母阅读器。

这是XMLReader ，此过滤器将从中获取其事件并将其传递给其配置请求。父母本身可能是另一个过滤器。

如果没有设置父阅读器，则任何解析或设置或获取功能或属性的尝试都将失败。

参数(Parameters)
`parent`	`XMLReader`: The parent XML reader.

也可以看看：

getParent()

setProperty

Added in API level 1

void setProperty (String name, 
                Object value)

设置属性的值。

如果父项为空，这将始终失败。

参数(Parameters)
`name`	`String`: The property name.
`value`	`Object`: The requested property value.

抛出异常(Throws)
`SAXNotRecognizedException`	If the property value can't be assigned or retrieved from the parent.
`SAXNotSupportedException`	When the parent recognizes the property name but cannot set the requested value.

skippedEntity

Added in API level 1

void skippedEntity (String name)

过滤一个跳过的实体事件。

参数(Parameters)
`name`	`String`: The name of the skipped entity.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

startDocument

Added in API level 1

void startDocument ()

筛选开始文档事件。

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

startElement

Added in API level 1

void startElement (String uri, 
                String localName, 
                String qName, 
                Attributes atts)

筛选开始元素事件。

参数(Parameters)
`uri`	`String`: The element's Namespace URI, or the empty string.
`localName`	`String`: The element's local name, or the empty string.
`qName`	`String`: The element's qualified (prefixed) name, or the empty string.
`atts`	`Attributes`: The element's attributes.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

startPrefixMapping

Added in API level 1

void startPrefixMapping (String prefix, 
                String uri)

筛选开始名称空间前缀映射事件。

参数(Parameters)
`prefix`	`String`: The Namespace prefix.
`uri`	`String`: The Namespace URI.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

unparsedEntityDecl

Added in API level 1

void unparsedEntityDecl (String name, 
                String publicId, 
                String systemId, 
                String notationName)

过滤未解析的实体声明事件。

参数(Parameters)
`name`	`String`: The entity name.
`publicId`	`String`: The entity's public identifier, or null.
`systemId`	`String`: The entity's system identifier, or null.
`notationName`	`String`: The name of the associated notation.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.

warning

Added in API level 1

void warning (SAXParseException e)

过滤一个警告事件。

参数(Parameters)
`e`	`SAXParseException`: The warning as an exception.

抛出异常(Throws)
`SAXException`	The client may throw an exception during processing.