org.apache.xerces.xni

Interface XMLAttributes

public interface XMLAttributes

The XMLAttributes interface defines a collection of attributes for an element. In the parser, the document source would scan the entire start element and collect the attributes. The attributes are communicated to the document handler in the startElement method.

The attributes are read-write so that subsequent stages in the document pipeline can modify the values or change the attributes that are propogated to the next stage.

Version: $Id: XMLAttributes.java,v 1.11 2004/10/03 21:53:25 mrglavas Exp $

Author: Andy Clark, IBM

See Also: XMLDocumentHandler

Method Summary
intaddAttribute(QName attrName, String attrType, String attrValue)
Adds an attribute.
AugmentationsgetAugmentations(int attributeIndex)
Look up an augmentation by attribute's index.
AugmentationsgetAugmentations(String uri, String localPart)
Look up an augmentation by namespace name.
AugmentationsgetAugmentations(String qName)
Look up an augmentation by XML 1.0 qualified name.
intgetIndex(String qName)
Look up the index of an attribute by XML 1.0 qualified name.
intgetIndex(String uri, String localPart)
Look up the index of an attribute by Namespace name.
intgetLength()
Returns the number of attributes in the list.
StringgetLocalName(int index)
Look up an attribute's local name by index.
voidgetName(int attrIndex, QName attrName)
Sets the fields in the given QName structure with the values of the attribute name at the specified index.
StringgetNonNormalizedValue(int attrIndex)
Returns the non-normalized value of the attribute at the specified index.
StringgetPrefix(int index)
Returns the prefix of the attribute at the specified index.
StringgetQName(int index)
Look up an attribute's XML 1.0 qualified name by index.
StringgetType(int index)
Look up an attribute's type by index.
StringgetType(String qName)
Look up an attribute's type by XML 1.0 qualified name.
StringgetType(String uri, String localName)
Look up an attribute's type by Namespace name.
StringgetURI(int index)
Look up an attribute's Namespace URI by index.
StringgetValue(int index)
Look up an attribute's value by index.
StringgetValue(String qName)
Look up an attribute's value by XML 1.0 qualified name.
StringgetValue(String uri, String localName)
Look up an attribute's value by Namespace name.
booleanisSpecified(int attrIndex)
Returns true if the attribute is specified in the instance document.
voidremoveAllAttributes()
Removes all of the attributes.
voidremoveAttributeAt(int attrIndex)
Removes the attribute at the specified index.
voidsetAugmentations(int attrIndex, Augmentations augs)
Sets the augmentations of the attribute at the specified index.
voidsetName(int attrIndex, QName attrName)
Sets the name of the attribute at the specified index.
voidsetNonNormalizedValue(int attrIndex, String attrValue)
Sets the non-normalized value of the attribute at the specified index.
voidsetSpecified(int attrIndex, boolean specified)
Sets whether an attribute is specified in the instance document or not.
voidsetType(int attrIndex, String attrType)
Sets the type of the attribute at the specified index.
voidsetValue(int attrIndex, String attrValue)
Sets the value of the attribute at the specified index.

Method Detail

addAttribute

public int addAttribute(QName attrName, String attrType, String attrValue)
Adds an attribute. The attribute's non-normalized value of the attribute will have the same value as the attribute value until set using the setNonNormalizedValue method. Also, the added attribute will be marked as specified in the XML instance document unless set otherwise using the setSpecified method.

Note: If an attribute of the same name already exists, the old values for the attribute are replaced by the new values.

Parameters: attrName The attribute name. attrType The attribute type. The type name is determined by the type specified for this attribute in the DTD. For example: "CDATA", "ID", "NMTOKEN", etc. However, attributes of type enumeration will have the type value specified as the pipe ('|') separated list of the enumeration values prefixed by an open parenthesis and suffixed by a close parenthesis. For example: "(true|false)". attrValue The attribute value.

Returns: Returns the attribute index.

See Also: XMLAttributes XMLAttributes

getAugmentations

public Augmentations getAugmentations(int attributeIndex)
Look up an augmentation by attribute's index.

Parameters: attributeIndex The attribute index.

Returns: Augmentations

getAugmentations

public Augmentations getAugmentations(String uri, String localPart)
Look up an augmentation by namespace name.

Parameters: uri The Namespace URI, or the empty string if the name has no Namespace URI. localPart

Returns: Augmentations

getAugmentations

public Augmentations getAugmentations(String qName)
Look up an augmentation by XML 1.0 qualified name.

Parameters: qName The XML 1.0 qualified name.

Returns: Augmentations

getIndex

public int getIndex(String qName)
Look up the index of an attribute by XML 1.0 qualified name.

Parameters: qName The qualified (prefixed) name.

Returns: The index of the attribute, or -1 if it does not appear in the list.

getIndex

public int getIndex(String uri, String localPart)
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. localPart The attribute's local name.

Returns: The index of the attribute, or -1 if it does not appear in the list.

getLength

public int getLength()
Returns the number of attributes in the list.

Once you know the number of attributes, you can iterate through the list.

See Also: XMLAttributes XMLAttributes XMLAttributes XMLAttributes XMLAttributes

getLocalName

public 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: XMLAttributes

getName

public void getName(int attrIndex, QName attrName)
Sets the fields in the given QName structure with the values of the attribute name at the specified index.

Parameters: attrIndex The attribute index. attrName The attribute name structure to fill in.

getNonNormalizedValue

public String getNonNormalizedValue(int attrIndex)
Returns the non-normalized value of the attribute at the specified index. If no non-normalized value is set, this method will return the same value as the getValue(int) method.

Parameters: attrIndex The attribute index.

getPrefix

public String getPrefix(int index)
Returns the prefix of the attribute at the specified index.

Parameters: index The index of the attribute.

getQName

public String getQName(int index)
Look up an attribute's XML 1.0 qualified name by index.

Parameters: index The attribute index (zero-based).

Returns: The XML 1.0 qualified name, or the empty string if none is available, or null if the index is out of range.

See Also: XMLAttributes

getType

public 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 Recommentation (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: XMLAttributes

getType

public String getType(String qName)
Look up an attribute's type by XML 1.0 qualified name.

See getType(int) for a description of the possible types.

Parameters: qName The XML 1.0 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.

getType

public 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.

getURI

public 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: XMLAttributes

getValue

public 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: XMLAttributes

getValue

public String getValue(String qName)
Look up an attribute's value by XML 1.0 qualified name.

See getValue(int) for a description of the possible values.

Parameters: qName The XML 1.0 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.

getValue

public 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.

isSpecified

public boolean isSpecified(int attrIndex)
Returns true if the attribute is specified in the instance document.

Parameters: attrIndex The attribute index.

removeAllAttributes

public void removeAllAttributes()
Removes all of the attributes. This method will also remove all entities associated to the attributes.

removeAttributeAt

public void removeAttributeAt(int attrIndex)
Removes the attribute at the specified index.

Note: This operation changes the indexes of all attributes following the attribute at the specified index.

Parameters: attrIndex The attribute index.

setAugmentations

public void setAugmentations(int attrIndex, Augmentations augs)
Sets the augmentations of the attribute at the specified index.

Parameters: attrIndex The attribute index. augs The augmentations.

setName

public void setName(int attrIndex, QName attrName)
Sets the name of the attribute at the specified index.

Parameters: attrIndex The attribute index. attrName The new attribute name.

setNonNormalizedValue

public void setNonNormalizedValue(int attrIndex, String attrValue)
Sets the non-normalized value of the attribute at the specified index.

Parameters: attrIndex The attribute index. attrValue The new non-normalized attribute value.

setSpecified

public void setSpecified(int attrIndex, boolean specified)
Sets whether an attribute is specified in the instance document or not.

Parameters: attrIndex The attribute index. specified True if the attribute is specified in the instance document.

setType

public void setType(int attrIndex, String attrType)
Sets the type of the attribute at the specified index.

Parameters: attrIndex The attribute index. attrType The attribute type. The type name is determined by the type specified for this attribute in the DTD. For example: "CDATA", "ID", "NMTOKEN", etc. However, attributes of type enumeration will have the type value specified as the pipe ('|') separated list of the enumeration values prefixed by an open parenthesis and suffixed by a close parenthesis. For example: "(true|false)".

setValue

public void setValue(int attrIndex, String attrValue)
Sets the value of the attribute at the specified index. This method will overwrite the non-normalized value of the attribute.

Parameters: attrIndex The attribute index. attrValue The new attribute value.

See Also: XMLAttributes

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