All Known Subinterfaces:

Attributes2

All Known Implementing Classes:

Attributes2Impl, AttributesImpl
```
public interface Attributes
```
Interface for a list of XML attributes.
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.

This interface allows access to a list of attributes in three different ways:
1. by attribute index;
2. by Namespace-qualified name; or
3. by qualified (prefixed) name.
The list will not contain attributes that were declared #IMPLIED but not specified in the start tag. It will also not contain attributes used as Namespace declarations (xmlns*) unless the http://xml.org/sax/features/namespace-prefixes feature is set to true (it is false by default). Because SAX2 conforms to the original "Namespaces in XML" recommendation, it normally does not give namespace declaration attributes a namespace URI.

Some SAX2 parsers may support using an optional feature flag (http://xml.org/sax/features/xmlns-uris) to request that those attributes be given URIs, conforming to a later backwards-incompatible revision of that recommendation. (The attribute's "local name" will be the prefix, or "xmlns" when defining a default element namespace.) For portability, handler code should always resolve that conflict, rather than requiring parsers that can change the setting of that feature flag.

If the namespace-prefixes feature (see above) is false, access by qualified name may not be available; if the http://xml.org/sax/features/namespaces feature is false, access by Namespace-qualified names may not be available.

This interface replaces the now-deprecated SAX1 AttributeList interface, which does not contain Namespace support. In addition to Namespace support, it adds the getIndex methods (below).

The order of attributes in the list is unspecified, and will vary from implementation to implementation.
Since:

SAX 2.0

See Also:
AttributesImpl, DeclHandler.attributeDecl(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String)

Method Summary

Methods
Modifier and Type	Method and Description
`int`	`getIndex(String qName)` Look up the index of an attribute by XML qualified (prefixed) name.
`int`	`getIndex(String uri, String localName)` Look up the index of an attribute by Namespace name.
`int`	`getLength()` Return the number of attributes in the list.
`String`	`getLocalName(int index)` Look up an attribute's local name by index.
`String`	`getQName(int index)` Look up an attribute's XML qualified (prefixed) name by index.
`String`	`getType(int index)` Look up an attribute's type by index.
`String`	`getType(String qName)` Look up an attribute's type by XML qualified (prefixed) name.
`String`	`getType(String uri, String localName)` Look up an attribute's type by Namespace name.
`String`	`getURI(int index)` Look up an attribute's Namespace URI by index.
`String`	`getValue(int index)` Look up an attribute's value by index.
`String`	`getValue(String qName)` Look up an attribute's value by XML qualified (prefixed) name.
`String`	`getValue(String uri, String localName)` Look up an attribute's value by Namespace name.

Erste Seite von API Java Inhaltsverzeichnis Haut

- Method Detail
  - getLength
```
int getLength()
```
    Return the number of attributes in the list.
    Once you know the number of attributes, you can iterate through the list.
    
    Returns:
    The number of attributes in the list.
    See Also:
    getURI(int), getLocalName(int), getQName(int), getType(int), getValue(int)
  - getURI
```
String getURI(int index)
```
    Look up an attribute's Namespace URI by index.
    
    Parameters:
    index - The attribute index (zero-based).
    
    Returns:
    The Namespace URI, or the empty string if none is available, or null if the index is out of range.
    See Also:
    getLength()
  - getLocalName
```
String getLocalName(int index)
```
    Look up an attribute's local name by index.
    
    Parameters:
    index - The attribute index (zero-based).
    
    Returns:
    The local name, or the empty string if Namespace processing is not being performed, or null if the index is out of range.
    See Also:
    getLength()
  - getQName
```
String getQName(int index)
```
    Look up an attribute's XML qualified (prefixed) name by index.
    
    Parameters:
    index - The attribute index (zero-based).
    
    Returns:
    The XML qualified name, or the empty string if none is available, or null if the index is out of range.
    See Also:
    getLength()
  - getType
```
String getType(int index)
```
    Look up an attribute's type by index.
    The attribute type is one of the strings "CDATA", "ID", "IDREF", "IDREFS", "NMTOKEN", "NMTOKENS", "ENTITY", "ENTITIES", or "NOTATION" (always in upper case).
    
    If the parser has not read a declaration for the attribute, or if the parser does not report attribute types, then it must return the value "CDATA" as stated in the XML 1.0 Recommendation (clause 3.3.3, "Attribute-Value Normalization").
    
    For an enumerated attribute that is not a notation, the parser will report the type as "NMTOKEN".
    
    Parameters:
    index - The attribute index (zero-based).
    
    Returns:
    The attribute's type as a string, or null if the index is out of range.
    See Also:
    getLength()
  - getValue
```
String getValue(int index)
```
    Look up an attribute's value by index.
    If the attribute value is a list of tokens (IDREFS, ENTITIES, or NMTOKENS), the tokens will be concatenated into a single string with each token separated by a single space.
    
    Parameters:
    index - The attribute index (zero-based).
    
    Returns:
    The attribute's value as a string, or null if the index is out of range.
    See Also:
    getLength()
  - getIndex
```
int getIndex(String uri,
           String localName)
```
    Look up the index of an attribute by Namespace name.
    
    Parameters:
    uri - The Namespace URI, or the empty string if the name has no Namespace URI.
    localName - The attribute's local name.
    
    Returns:
    The index of the attribute, or -1 if it does not appear in the list.
  - getIndex
```
int getIndex(String qName)
```
    Look up the index of an attribute by XML qualified (prefixed) name.
    
    Parameters:
    qName - The qualified (prefixed) name.
    
    Returns:
    The index of the attribute, or -1 if it does not appear in the list.
  - getType
```
String getType(String uri,
             String localName)
```
    Look up an attribute's type by Namespace name.
    See getType(int) for a description of the possible types.
    
    Parameters:
    uri - The Namespace URI, or the empty String if the name has no Namespace URI.
    localName - The local name of the attribute.
    
    Returns:
    The attribute type as a string, or null if the attribute is not in the list or if Namespace processing is not being performed.
  - getType
```
String getType(String qName)
```
    Look up an attribute's type by XML qualified (prefixed) name.
    See getType(int) for a description of the possible types.
    
    Parameters:
    qName - The XML qualified name.
    
    Returns:
    The attribute type as a string, or null if the attribute is not in the list or if qualified names are not available.
  - getValue
```
String getValue(String uri,
              String localName)
```
    Look up an attribute's value by Namespace name.
    See getValue(int) for a description of the possible values.
    
    Parameters:
    uri - The Namespace URI, or the empty String if the name has no Namespace URI.
    localName - The local name of the attribute.
    
    Returns:
    The attribute value as a string, or null if the attribute is not in the list.
  - getValue
```
String getValue(String qName)
```
    Look up an attribute's value by XML qualified (prefixed) name.
    See getValue(int) for a description of the possible values.
    
    Parameters:
    qName - The XML qualified name.
    
    Returns:
    The attribute value as a string, or null if the attribute is not in the list or if qualified names are not available.

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Dokument erstellt 11/06/2005, zuletzt geändert 04/03/2020
Quelle des gedruckten Dokuments:https://www.gaudry.be/de/java-api-rf-org/xml/sax/attributes.html

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Referenzen

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Inhaltsverzeichnis Haut

Interface Attributes

Method Summary

Method Detail

getLength

getURI

getLocalName

getQName

getType

getValue

getIndex

getIndex

getType

getType

getValue

getValue

Referenzen