## net.sf.saxon.tree
Class AttributeCollection

    java.lang.Object
      |
      +--net.sf.saxon.tree.AttributeCollection

All Implemented Interfaces:
  org.xml.sax.Attributes

public final class AttributeCollection
extends java.lang.Object
implements org.xml.sax.Attributes

AttributeCollection is an implementation of the SAX2 interface Attributes that also provides the ability to manipulate namespaces and to convert attributes into Nodes. It is extremely similar (both in interface and in implementation) to the SAX2 Attributes class, but was defined before SAX2 was available.

Constructor Summary
`AttributeCollection(NamePool pool)` Create an empty attribute list.

Method Summary
`void` `addAttribute(int nameCode, java.lang.String type, java.lang.String value)` Add an attribute to an attribute list.
`void` `clear()` Clear the attribute list.
`void` `compact()` Compact the attribute list to avoid wasting memory
`int` `getIndex(java.lang.String name)` Get the index of an attribute (by name).
`int` `getIndex(java.lang.String uri, java.lang.String localname)` Get the index of an attribute (by name).
`int` `getIndexByFingerprint(int fingerprint)` Get the index, given the fingerprint
`int` `getLength()` Return the number of attributes in the list.
`java.lang.String` `getLocalName(int index)` Get the local name of an attribute (by position).
`int` `getNameCode(int index)` Get the namecode of an attribute (by position).
`java.lang.String` `getQName(int index)` Get the display name of an attribute (by position).
`java.lang.String` `getType(int index)` Get the type of an attribute (by position).
`java.lang.String` `getType(java.lang.String name)` Get the type of an attribute (by name).
`java.lang.String` `getType(java.lang.String uri, java.lang.String localname)` Get the type of an attribute (by name).
`java.lang.String` `getURI(int index)` Get the namespace URI of an attribute (by position).
`java.lang.String` `getValue(int index)` Get the value of an attribute (by position).
`java.lang.String` `getValue(java.lang.String name)` Get the value of an attribute (by name).
`java.lang.String` `getValue(java.lang.String uri, java.lang.String localname)` Get the value of an attribute (by name).
`java.lang.String` `getValueByFingerprint(int fingerprint)` Get the attribute value using its fingerprint

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### AttributeCollection

    public AttributeCollection(NamePool pool)

  Create an empty attribute list.

Method Detail

### addAttribute

    public void addAttribute(int nameCode,
                             java.lang.String type,
                             java.lang.String value)

  Add an attribute to an attribute list.

  Parameters:
    `nameCode` - Integer representing the attribute name.
    `type` - The attribute type ("NMTOKEN" for an enumeration).
    `value` - The attribute value (must not be null).

### clear

    public void clear()

  Clear the attribute list.

### compact

    public void compact()

  Compact the attribute list to avoid wasting memory

### getLength

    public int getLength()

  Return the number of attributes in the list.

  Specified by:
    `getLength` in interface `org.xml.sax.Attributes`
  Returns:
    The number of attributes in the list.

### getNameCode

    public int getNameCode(int index)

  Get the namecode of an attribute (by position).

  Parameters:
    `index` - The position of the attribute in the list.
  Returns:
    The display name of the attribute as a string, or null if there is no attribute at that position.

### getQName

    public java.lang.String getQName(int index)

  Get the display name of an attribute (by position).

  Specified by:
    `getQName` in interface `org.xml.sax.Attributes`
  Parameters:
    `index` - The position of the attribute in the list.
  Returns:
    The display name of the attribute as a string, or null if there is no attribute at that position.

### getLocalName

    public java.lang.String getLocalName(int index)

  Get the local name of an attribute (by position).

  Specified by:
    `getLocalName` in interface `org.xml.sax.Attributes`
  Parameters:
    `index` - The position of the attribute in the list.
  Returns:
    The local name of the attribute as a string, or null if there is no attribute at that position.

### getURI

    public java.lang.String getURI(int index)

  Get the namespace URI of an attribute (by position).

  Specified by:
    `getURI` in interface `org.xml.sax.Attributes`
  Parameters:
    `index` - The position of the attribute in the list.
  Returns:
    The local name of the attribute as a string, or null if there is no attribute at that position.

### getType

    public java.lang.String getType(int index)

  Get the type of an attribute (by position).

  Specified by:
    `getType` in interface `org.xml.sax.Attributes`
  Parameters:
    `index` - 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.

### getType

    public java.lang.String getType(java.lang.String uri,
                                    java.lang.String localname)

  Get the type of an attribute (by name).

  Specified by:
    `getType` in interface `org.xml.sax.Attributes`
  Parameters:
    `uri` - The namespace uri of the attribute.
    `localname` - The local name of the attribute.
  Returns:
    The index position of the attribute

### getValue

    public java.lang.String getValue(int index)

  Get the value of an attribute (by position).

  Specified by:
    `getValue` in interface `org.xml.sax.Attributes`
  Parameters:
    `index` - 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.

### getValue

    public java.lang.String getValue(java.lang.String uri,
                                     java.lang.String localname)

  Get the value of an attribute (by name).

  Specified by:
    `getValue` in interface `org.xml.sax.Attributes`
  Parameters:
    `uri` - The namespace uri of the attribute.
    `localname` - The local name of the attribute.
  Returns:
    The index position of the attribute

### getValueByFingerprint

    public java.lang.String getValueByFingerprint(int fingerprint)

  Get the attribute value using its fingerprint

### getIndex

    public int getIndex(java.lang.String name)

  Get the index of an attribute (by name).

  Specified by:
    `getIndex` in interface `org.xml.sax.Attributes`
  Parameters:
    `name` - The display name of the attribute.
  Returns:
    The index position of the attribute

### getIndex

    public int getIndex(java.lang.String uri,
                        java.lang.String localname)

  Get the index of an attribute (by name).

  Specified by:
    `getIndex` in interface `org.xml.sax.Attributes`
  Parameters:
    `uri` - The namespace uri of the attribute.
    `localname` - The local name of the attribute.
  Returns:
    The index position of the attribute

### getIndexByFingerprint

    public int getIndexByFingerprint(int fingerprint)

  Get the index, given the fingerprint

### getType

    public java.lang.String getType(java.lang.String name)

  Get the type of an attribute (by name).

  Specified by:
    `getType` in interface `org.xml.sax.Attributes`
  Parameters:
    `name` - The display name of the attribute.
  Returns:
    The attribute type as a string ("NMTOKEN" for an enumeration, and "CDATA" if no declaration was read).

### getValue

    public java.lang.String getValue(java.lang.String name)

  Get the value of an attribute (by name).

  Specified by:
    `getValue` in interface `org.xml.sax.Attributes`
  Parameters:
    `name` - The attribute name.