AttributeListImpl (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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org.xml.sax.helpers
Class AttributeListImpl

java.lang.Object
  |
  +--org.xml.sax.helpers.AttributeListImpl

All Implemented Interfaces:: AttributeList

Deprecated. This class implements a deprecated interface, AttributeList; that interface has been replaced by Attributes, which is implemented in the AttributesImpl helper class.

public class AttributeListImpl
extends Object
implements AttributeList

Default implementation for AttributeList.

This module, both source code and documentation, is in the Public Domain, and comes with NO WARRANTY.

AttributeList implements the deprecated SAX1 AttributeList interface, and has been replaced by the new SAX2 AttributesImpl interface.

This class provides a convenience implementation of the SAX AttributeList interface. This implementation is useful both for SAX parser writers, who can use it to provide attributes to the application, and for SAX application writers, who can use it to create a persistent copy of an element's attribute specifications:

 private AttributeList myatts;

 public void startElement (String name, AttributeList atts)
 {
              // create a persistent copy of the attribute list
              // for use outside this method
   myatts = new AttributeListImpl(atts);
   [...]
 }

Please note that SAX parsers are not required to use this class to provide an implementation of AttributeList; it is supplied only as an optional convenience. In particular, parser writers are encouraged to invent more efficient implementations.

Since:: SAX 1.0
See Also:: AttributeList, DocumentHandler.startElement(java.lang.String, org.xml.sax.AttributeList)

Constructor Summary

AttributeListImpl()
          Deprecated. Create an empty attribute list.

AttributeListImpl(AttributeList atts)
          Deprecated. Construct a persistent copy of an existing attribute list.

Method Summary

void addAttribute(String name, String type, String value)
          Deprecated. Add an attribute to an attribute list.

void clear()
          Deprecated. Clear the attribute list.

int getLength()
          Deprecated. Return the number of attributes in the list.

String getName(int i)
          Deprecated. Get the name of an attribute (by position).

String getType(int i)
          Deprecated. Get the type of an attribute (by position).

String getType(String name)
          Deprecated. Get the type of an attribute (by name).

String getValue(int i)
          Deprecated. Get the value of an attribute (by position).

String getValue(String name)
          Deprecated. Get the value of an attribute (by name).

void removeAttribute(String name)
          Deprecated. Remove an attribute from the list.

void setAttributeList(AttributeList atts)
          Deprecated. Set the attribute list, discarding previous contents.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AttributeListImpl

public AttributeListImpl()

Deprecated.

Create an empty attribute list.

This constructor is most useful for parser writers, who will use it to create a single, reusable attribute list that can be reset with the clear method between elements.

AttributeListImpl

public AttributeListImpl(AttributeList atts)

Deprecated.

Construct a persistent copy of an existing attribute list.

This constructor is most useful for application writers, who will use it to create a persistent copy of an existing attribute list.

Parameters:

atts - The attribute list to copy

Method Detail

setAttributeList

public void setAttributeList(AttributeList atts)

Deprecated.

Set the attribute list, discarding previous contents.

This method allows an application writer to reuse an attribute list easily.

Parameters:: atts - The attribute list to copy.

addAttribute

public void addAttribute(String name,
                         String type,
                         String value)

Deprecated.

Add an attribute to an attribute list.

This method is provided for SAX parser writers, to allow them to build up an attribute list incrementally before delivering it to the application.

Parameters:: name - The attribute name.; type - The attribute type ("NMTOKEN" for an enumeration).; value - The attribute value (must not be null).
See Also:: removeAttribute(java.lang.String), DocumentHandler.startElement(java.lang.String, org.xml.sax.AttributeList)

removeAttribute

public void removeAttribute(String name)

Deprecated.

Remove an attribute from the list.

SAX application writers can use this method to filter an attribute out of an AttributeList. Note that invoking this method will change the length of the attribute list and some of the attribute's indices.

If the requested attribute is not in the list, this is a no-op.

Parameters:: name - The attribute name.
See Also:: addAttribute(java.lang.String, java.lang.String, java.lang.String)

clear

public void clear()

Deprecated.

Clear the attribute list.

SAX parser writers can use this method to reset the attribute list between DocumentHandler.startElement events. Normally, it will make sense to reuse the same AttributeListImpl object rather than allocating a new one each time.

See Also:: DocumentHandler.startElement(java.lang.String, org.xml.sax.AttributeList)

getLength

public int getLength()

Deprecated.

Return the number of attributes in the list.

Specified by:: getLength in interface AttributeList

Returns:: The number of attributes in the list.
See Also:: AttributeList.getLength()

getName

public String getName(int i)

Deprecated.

Get the name of an attribute (by position).

Specified by:: getName in interface AttributeList

Parameters:: i - The position of the attribute in the list.
Returns:: The attribute name as a string, or null if there is no attribute at that position.
See Also:: AttributeList.getName(int)

getType

public String getType(int i)

Deprecated.

Get the type of an attribute (by position).

Specified by:: getType in interface AttributeList

Parameters:: i - The position of the attribute in the list.
Returns:: The attribute type as a string ("NMTOKEN" for an enumeration, and "CDATA" if no declaration was read), or null if there is no attribute at that position.
See Also:: AttributeList.getType(int)

getValue

public String getValue(int i)

Deprecated.

Get the value of an attribute (by position).

Specified by:: getValue in interface AttributeList

Parameters:: i - The position of the attribute in the list.
Returns:: The attribute value as a string, or null if there is no attribute at that position.
See Also:: AttributeList.getValue(int)

getType

public String getType(String name)

Deprecated.

Get the type of an attribute (by name).

Specified by:: getType in interface AttributeList

Parameters:: name - The attribute name.
Returns:: The attribute type as a string ("NMTOKEN" for an enumeration, and "CDATA" if no declaration was read).
See Also:: AttributeList.getType(java.lang.String)

getValue

public String getValue(String name)

Deprecated.

Get the value of an attribute (by name).

Specified by:: getValue in interface AttributeList

Parameters:: name - The attribute name.
Returns:: The attribute value as a string, or null if no such attribute exists.
See Also:: AttributeList.getValue(java.lang.String)

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Constructor Summary
`AttributeListImpl()` Deprecated. Create an empty attribute list.
`AttributeListImpl(AttributeList atts)` Deprecated. Construct a persistent copy of an existing attribute list.

Method Summary
`void`	`addAttribute(String name, String type, String value)` Deprecated. Add an attribute to an attribute list.
`void`	`clear()` Deprecated. Clear the attribute list.
`int`	`getLength()` Deprecated. Return the number of attributes in the list.
`String`	`getName(int i)` Deprecated. Get the name of an attribute (by position).
`String`	`getType(int i)` Deprecated. Get the type of an attribute (by position).
`String`	`getType(String name)` Deprecated. Get the type of an attribute (by name).
`String`	`getValue(int i)` Deprecated. Get the value of an attribute (by position).
`String`	`getValue(String name)` Deprecated. Get the value of an attribute (by name).
`void`	`removeAttribute(String name)` Deprecated. Remove an attribute from the list.
`void`	`setAttributeList(AttributeList atts)` Deprecated. Set the attribute list, discarding previous contents.

AttributeListImpl (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

org.xml.sax.helpers Class AttributeListImpl

AttributeListImpl

AttributeListImpl

setAttributeList

addAttribute

removeAttribute

clear

getLength

getName

getType

getValue

getType

getValue

org.xml.sax.helpers
Class AttributeListImpl