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## 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).

Author:
  Sean Mullan, JSR 105 Expert Group

Constructor Summary
`DOMSignContext(java.security.Key signingKey, org.w3c.dom.Node parent)` Creates a `DOMSignContext` with the specified signing key and parent node.
`DOMSignContext(java.security.Key signingKey, org.w3c.dom.Node parent, org.w3c.dom.Node nextSibling)` Creates a `DOMSignContext` with the specified signing key, parent and next sibling nodes.
`DOMSignContext(KeySelector ks, org.w3c.dom.Node parent)` Creates a `DOMSignContext` with the specified key selector and parent node.
`DOMSignContext(KeySelector ks, org.w3c.dom.Node parent, org.w3c.dom.Node nextSibling)` Creates a `DOMSignContext` with the specified key selector, parent and next sibling nodes.

Method Summary
`org.w3c.dom.Node` | `getNextSibling()` Returns the nextSibling node.
`org.w3c.dom.Node` | `getParent()` Returns the parent node.
`void` | `setNextSibling(org.w3c.dom.Node nextSibling)` Sets the next sibling node.
`void` | `setParent(org.w3c.dom.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(java.security.Key signingKey,
                          org.w3c.dom.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:
    `java.lang.NullPointerException` - if `signingKey` or `parent` is `null`

### DOMSignContext

    public DOMSignContext(java.security.Key signingKey,
                          org.w3c.dom.Node parent,
                          org.w3c.dom.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:
    `java.lang.NullPointerException` - if `signingKey`, `parent` or `nextSibling` is `null`

### DOMSignContext

    public DOMSignContext(KeySelector ks,
                          org.w3c.dom.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:
    `java.lang.NullPointerException` - if `ks` or `parent` is `null`

### DOMSignContext

    public DOMSignContext(KeySelector ks,
                          org.w3c.dom.Node parent,
                          org.w3c.dom.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:
    `java.lang.NullPointerException` - if `ks`, `parent` or `nextSibling` is `null`

Method Detail

### setParent

    public void setParent(org.w3c.dom.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:
    `java.lang.NullPointerException` - if `parent` is `null`
  See Also:
    `getParent()`

### setNextSibling

    public void setNextSibling(org.w3c.dom.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 org.w3c.dom.Node getParent()

  Returns the parent node.

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

### getNextSibling

    public org.w3c.dom.Node getNextSibling()

  Returns the nextSibling node.

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

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