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## groovy.xml
Class QName

    java.lang.Object
      groovy.xml.QName

All Implemented Interfaces:
  Serializable

    public class QName

extends Object
implements Serializable

`QName` class represents the value of a qualified name as specified in XML Schema Part2: Datatypes specification.

The value of a QName contains a namespaceURI, a localPart and a prefix. The localPart provides the local part of the qualified name. The namespaceURI is a URI reference identifying the namespace.

Version:
  1.1
See Also:
  Serialized Form

Constructor Summary
`QName(String localPart)` Constructor for the QName.
`QName(String namespaceURI, String localPart)` Constructor for the QName.
`QName(String namespaceURI, String localPart, String prefix)` Constructor for the QName.

Method Summary
`boolean` | `equals(Object o)` Tests this QName for equality with another object.
`String` | `getLocalPart()` Gets the Local part for this QName
`String` | `getNamespaceURI()` Gets the Namespace URI for this QName
`String` | `getPrefix()` Gets the Prefix for this QName
`String` | `getQualifiedName()` Returns the fully qualified name of this QName
`int` | `hashCode()` Returns a hash code value for this QName object.
`boolean` | `matches(Object o)` Tests if this QName matches another object.
`String` | `toString()` Returns a string representation of this QName
`static QName` | `valueOf(String s)` Returns a QName holding the value of the specified String.

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

Constructor Detail

### QName

    public QName(String localPart)

  Constructor for the QName.

  Parameters:
    `localPart` - Local part of the QName

### QName

    public QName(String namespaceURI,
                 String localPart)

  Constructor for the QName.

  Parameters:
    `namespaceURI` - Namespace URI for the QName
    `localPart` - Local part of the QName.

### QName

    public QName(String namespaceURI,
                 String localPart,
                 String prefix)

  Constructor for the QName.

  Parameters:
    `namespaceURI` - Namespace URI for the QName
    `localPart` - Local part of the QName.
    `prefix` - Prefix of the QName.

Method Detail

### getNamespaceURI

    public String getNamespaceURI()

  Gets the Namespace URI for this QName

  Returns:
    Namespace URI

### getLocalPart

    public String getLocalPart()

  Gets the Local part for this QName

  Returns:
    Local part

### getPrefix

    public String getPrefix()

  Gets the Prefix for this QName

  Returns:
    Prefix

### getQualifiedName

    public String getQualifiedName()

  Returns the fully qualified name of this QName

  Returns:
    a string representation of the QName

### toString

    public String toString()

  Returns a string representation of this QName

  Overrides:
    `toString` in class `Object`
  Returns:
    a string representation of the QName

### equals

    public boolean equals(Object o)

  Tests this QName for equality with another object.

  If the given object is not a QName or String equivalent or is null then this method returns `false`.

  For two QNames to be considered equal requires that both localPart and namespaceURI must be equal. This method uses `String.equals` to check equality of localPart and namespaceURI. Any class that extends QName is required to satisfy this equality contract. If the supplied object is a String, then it is split in two on the last colon and the first half is compared against the prefix || namespaceURI and the second half is compared against the localPart i.e. assert new QName("namespace","localPart").equals("namespace:localPart") Intended Usage: for gpath accessors, e.g. root.'urn:mynamespace:node' Warning: this equivalence is not commutative, i.e. qname.equals(string) may be true/false but string.equals(qname) is always false

  This method satisfies the general contract of the `Object.equals` method.

  Overrides:
    `equals` in class `Object`
  Parameters:
    `o` - the reference object with which to compare
  Returns:
    `true` if the given object is identical to this QName: `false` otherwise.

### matches

    public boolean matches(Object o)

  Tests if this QName matches another object.

  If the given object is not a QName or String equivalent or is null then this method returns `false`.

  For two QNames to be considered matching requires that both localPart and namespaceURI must be equal or one of them is a wildcard. If the supplied object is a String, then it is split in two on the last colon and the first half is matched against the prefix || namespaceURI and the second half is matched against the localPart

  Parameters:
    `o` - the reference object with which to compare
  Returns:
    `true` if the given object matches this QName: `false` otherwise.

### valueOf

    public static QName valueOf(String s)

  Returns a QName holding the value of the specified String.

  The string must be in the form returned by the QName.toString() method, i.e. "{namespaceURI}localPart", with the "{namespaceURI}" part being optional.

  This method doesn't do a full validation of the resulting QName. In particular, it doesn't check that the resulting namespace URI is a legal URI (per RFC 2396 and RFC 2732), nor that the resulting local part is a legal NCName per the XML Namespaces specification.

  Parameters:
    `s` - the string to be parsed
  Returns:
    QName corresponding to the given String
  Throws:
    `IllegalArgumentException` - If the specified String cannot be parsed as a QName

### hashCode

    public int hashCode()

  Returns a hash code value for this QName object. The hash code is based on both the localPart and namespaceURI parts of the QName. This method satisfies the general contract of the `Object.hashCode` method.

  Overrides:
    `hashCode` in class `Object`
  Returns:
    a hash code value for this Qname object

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