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## org.apache.tomcat.util
Class DomUtil

    java.lang.Object
      org.apache.tomcat.util.DomUtil

    public class DomUtil

extends java.lang.Object

Few simple utils to read DOM

Author:
  Costin Manolache

Nested Class Summary
`static class` | `DomUtil.NullResolver`

Constructor Summary
`DomUtil()`

Method Summary
`static org.w3c.dom.Node` | `findChildWithAtt(org.w3c.dom.Node parent, java.lang.String elemName, java.lang.String attName, java.lang.String attVal)` Find the first direct child with a given attribute.
`static java.lang.String` | `getAttribute(org.w3c.dom.Node element, java.lang.String attName)`
`static org.w3c.dom.Node` | `getChild(org.w3c.dom.Node parent, int type)` Get the first direct child with a given type
`static org.w3c.dom.Node` | `getChild(org.w3c.dom.Node parent, java.lang.String name)` Get the first element child.
`static java.lang.String` | `getChildContent(org.w3c.dom.Node parent, java.lang.String name)` Get the first child's content ( ie it's included TEXT node ).
`static java.lang.String` | `getContent(org.w3c.dom.Node n)` Get the trimed text content of a node or null if there is no text
`static org.w3c.dom.Node` | `getNext(org.w3c.dom.Node current)` Get the next sibling with the same name and type
`static org.w3c.dom.Node` | `getNext(org.w3c.dom.Node current, java.lang.String name, int type)` Return the next sibling with a given name and type
`static org.w3c.dom.Document` | `readXml(java.io.InputStream is)` Read XML as DOM.
`static void` | `removeAttribute(org.w3c.dom.Node node, java.lang.String attName)`
`static void` | `setAttribute(org.w3c.dom.Node node, java.lang.String attName, java.lang.String val)`
`static void` | `setAttributes(java.lang.Object o, org.w3c.dom.Node parent)`
`static void` | `setText(org.w3c.dom.Node node, java.lang.String val)` Set or replace the text value
`static void` | `writeXml(org.w3c.dom.Node n, java.io.OutputStream os)`

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

Constructor Detail

### DomUtil

    public DomUtil()

Method Detail

### getContent

    public static java.lang.String getContent(org.w3c.dom.Node n)

  Get the trimed text content of a node or null if there is no text

### getChild

    public static org.w3c.dom.Node getChild(org.w3c.dom.Node parent,
                                            java.lang.String name)

  Get the first element child.

  Parameters:
    `parent` - lookup direct childs
    `name` - name of the element. If null return the first element.

### getAttribute

    public static java.lang.String getAttribute(org.w3c.dom.Node element,
                                                java.lang.String attName)

### setAttribute

    public static void setAttribute(org.w3c.dom.Node node,
                                    java.lang.String attName,
                                    java.lang.String val)

### removeAttribute

    public static void removeAttribute(org.w3c.dom.Node node,
                                       java.lang.String attName)

### setText

    public static void setText(org.w3c.dom.Node node,
                               java.lang.String val)

  Set or replace the text value

### findChildWithAtt

    public static org.w3c.dom.Node findChildWithAtt(org.w3c.dom.Node parent,
                                                    java.lang.String elemName,
                                                    java.lang.String attName,
                                                    java.lang.String attVal)

  Find the first direct child with a given attribute.

  Parameters:
    `parent` -
    `elemName` - name of the element, or null for any
    `attName` - attribute we're looking for
    `attVal` - attribute value or null if we just want any

### getChildContent

    public static java.lang.String getChildContent(org.w3c.dom.Node parent,
                                                   java.lang.String name)

  Get the first child's content ( ie it's included TEXT node ).

### getChild

    public static org.w3c.dom.Node getChild(org.w3c.dom.Node parent,
                                            int type)

  Get the first direct child with a given type

### getNext

    public static org.w3c.dom.Node getNext(org.w3c.dom.Node current)

  Get the next sibling with the same name and type

### getNext

    public static org.w3c.dom.Node getNext(org.w3c.dom.Node current,
                                           java.lang.String name,
                                           int type)

  Return the next sibling with a given name and type

### setAttributes

    public static void setAttributes(java.lang.Object o,
                                     org.w3c.dom.Node parent)

### readXml

    public static org.w3c.dom.Document readXml(java.io.InputStream is)
                                        throws org.xml.sax.SAXException,
                                               java.io.IOException,
                                               javax.xml.parsers.ParserConfigurationException

  Read XML as DOM.

  Throws:
    `org.xml.sax.SAXException`
    `java.io.IOException`
    `javax.xml.parsers.ParserConfigurationException`

### writeXml

    public static void writeXml(org.w3c.dom.Node n,
                                java.io.OutputStream os)
                         throws javax.xml.transform.TransformerException

  Throws:
    `javax.xml.transform.TransformerException`

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