javax.xml.crypto.dsig.dom

## Class DOMSignContext

- java.lang.Object
- - javax.xml.crypto.dom.DOMCryptoContext
  - - javax.xml.crypto.dsig.dom.DOMSignContext

- All Implemented Interfaces:
    XMLSignContext, XMLCryptoContext

      public class DOMSignContext
      extends DOMCryptoContext
      implements XMLSignContext

  A DOM-specific `XMLSignContext`. This class contains additional methods to specify the location in a DOM tree where an `XMLSignature` object is to be marshalled when generating the signature.

  Note that `DOMSignContext` instances can contain information and state specific to the XML signature structure it is used with. The results are unpredictable if a `DOMSignContext` is used with different signature structures (for example, you should not use the same `DOMSignContext` instance to sign two different `XMLSignature` objects).

  Since:
    1.6

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `DOMSignContext(Key signingKey, Node parent)` Creates a `DOMSignContext` with the specified signing key and parent node.
    `DOMSignContext(Key signingKey, Node parent, Node nextSibling)` Creates a `DOMSignContext` with the specified signing key, parent and next sibling nodes.
    `DOMSignContext(KeySelector ks, Node parent)` Creates a `DOMSignContext` with the specified key selector and parent node.
    `DOMSignContext(KeySelector ks, Node parent, Node nextSibling)` Creates a `DOMSignContext` with the specified key selector, parent and next sibling nodes.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `Node` | `getNextSibling()` Returns the nextSibling node.
    `Node` | `getParent()` Returns the parent node.
    `void` | `setNextSibling(Node nextSibling)` Sets the next sibling node.
    `void` | `setParent(Node parent)` Sets the parent node.

    - ### Methods inherited from class javax.xml.crypto.dom.DOMCryptoContext

      `get, getBaseURI, getDefaultNamespacePrefix, getElementById, getKeySelector, getNamespacePrefix, getProperty, getURIDereferencer, iterator, put, putNamespacePrefix, setBaseURI, setDefaultNamespacePrefix, setIdAttributeNS, setKeySelector, setProperty, setURIDereferencer`

    - ### Methods inherited from class java.lang.Object

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

    - ### Methods inherited from interface javax.xml.crypto.XMLCryptoContext

      `get, getBaseURI, getDefaultNamespacePrefix, getKeySelector, getNamespacePrefix, getProperty, getURIDereferencer, put, putNamespacePrefix, setBaseURI, setDefaultNamespacePrefix, setKeySelector, setProperty, setURIDereferencer`

- - ### Constructor Detail

    - #### DOMSignContext

          public DOMSignContext(Key signingKey,
                        Node parent)

      Creates a `DOMSignContext` with the specified signing key and parent node. The signing key is stored in a `singleton KeySelector` that is returned by the `getKeySelector` method. The marshalled `XMLSignature` will be added as the last child element of the specified parent node unless a next sibling node is specified by invoking the `setNextSibling` method.
      Parameters:
        `signingKey` - the signing key
        `parent` - the parent node
      Throws:
        `NullPointerException` - if `signingKey` or `parent` is `null`

    - #### DOMSignContext

          public DOMSignContext(Key signingKey,
                        Node parent,
                        Node nextSibling)

      Creates a `DOMSignContext` with the specified signing key, parent and next sibling nodes. The signing key is stored in a `singleton KeySelector` that is returned by the `getKeySelector` method. The marshalled `XMLSignature` will be inserted as a child element of the specified parent node and immediately before the specified next sibling node.
      Parameters:
        `signingKey` - the signing key
        `parent` - the parent node
        `nextSibling` - the next sibling node
      Throws:
        `NullPointerException` - if `signingKey`, `parent` or `nextSibling` is `null`

    - #### DOMSignContext

          public DOMSignContext(KeySelector ks,
                        Node parent)

      Creates a `DOMSignContext` with the specified key selector and parent node. The marshalled `XMLSignature` will be added as the last child element of the specified parent node unless a next sibling node is specified by invoking the `setNextSibling` method.
      Parameters:
        `ks` - the key selector
        `parent` - the parent node
      Throws:
        `NullPointerException` - if `ks` or `parent` is `null`

    - #### DOMSignContext

          public DOMSignContext(KeySelector ks,
                        Node parent,
                        Node nextSibling)

      Creates a `DOMSignContext` with the specified key selector, parent and next sibling nodes. The marshalled `XMLSignature` will be inserted as a child element of the specified parent node and immediately before the specified next sibling node.
      Parameters:
        `ks` - the key selector
        `parent` - the parent node
        `nextSibling` - the next sibling node
      Throws:
        `NullPointerException` - if `ks`, `parent` or `nextSibling` is `null`

  - ### Method Detail

    - #### setParent

          public void setParent(Node parent)

      Sets the parent node.
      Parameters:
        `parent` - the parent node. The marshalled `XMLSignature` will be added as a child element of this node.
      Throws:
        `NullPointerException` - if `parent` is `null`
      See Also:
        `getParent()`

    - #### setNextSibling

          public void setNextSibling(Node nextSibling)

      Sets the next sibling node.
      Parameters:
        `nextSibling` - the next sibling node. The marshalled `XMLSignature` will be inserted immediately before this node. Specify `null` to remove the current setting.
      See Also:
        `getNextSibling()`

    - #### getParent

          public Node getParent()

      Returns the parent node.
      Returns:
        the parent node (never `null`)
      See Also:
        `setParent(Node)`

    - #### getNextSibling

          public Node getNextSibling()

      Returns the nextSibling node.
      Returns:
        the nextSibling node, or `null` if not specified.
      See Also:
        `setNextSibling(Node)`

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