org.camunda.spin.xml

Class SpinXmlElement

java.lang.Object

org.camunda.spin.Spin<T>

org.camunda.spin.xml.SpinXmlNode<SpinXmlElement>

org.camunda.spin.xml.SpinXmlElement

Direct Known Subclasses:

DomXmlElement

public abstract class SpinXmlElement
extends SpinXmlNode<SpinXmlElement>

An element in a tree-oriented XML data format.

Author:

Sebastian Menski, Daniel Meyer

Constructor Summary

Constructors

Constructor and Description
SpinXmlElement()

Method Summary

Modifier and Type	Method and Description
abstract SpinXmlElement	append(Collection<SpinXmlElement> childElements) Appends child elements to this element.
abstract SpinXmlElement	append(SpinXmlElement... childElements) Appends child elements to this element.
abstract SpinXmlElement	appendAfter(SpinXmlElement childElement, SpinXmlElement existingChildElement) Appends a child element to this element after the existing child element.
abstract SpinXmlElement	appendBefore(SpinXmlElement childElement, SpinXmlElement existingChildElement) Appends a child element to this element before the existing child element.
abstract SpinXmlAttribute	attr(String attributeName) Returns the wrapped attribute for an empty namespace and the given name.
abstract SpinXmlElement	attr(String attributeName, String value) Sets the attribute value in the local namespace of this element.
abstract List<String>	attrNames() Returns all names of the attributes of this element.
abstract List<String>	attrNames(String namespace) Returns all names of the attributes in the given namespace.
abstract SpinXmlAttribute	attrNs(String namespace, String attributeName) Returns the wrapped attribute for the given namespace and name.
abstract SpinXmlElement	attrNs(String namespace, String attributeName, String value) Sets the attribute value in the given namespace.
abstract SpinList<SpinXmlAttribute>	attrs() Returns all wrapped attributes of this element.
abstract SpinList<SpinXmlAttribute>	attrs(String namespace) Returns all wrapped attributes for the given namespace.
abstract SpinXmlElement	childElement(String elementName) Returns a single wrapped child element for the given name in the local namespace of this element.
abstract SpinXmlElement	childElement(String namespace, String elementName) Returns a single wrapped child element for the given namespace and name.
abstract SpinList<SpinXmlElement>	childElements() Returns all child elements of this elements.
abstract SpinList<SpinXmlElement>	childElements(String elementName) Returns all child elements with a given name in the local namespace of this element.
abstract SpinList<SpinXmlElement>	childElements(String namespace, String elementName) Returns all child elements with a given namespace and name.
abstract boolean	hasAttr(String attributeName) Checks whether this element has a attribute with an empty namespace and the given name.
abstract boolean	hasAttrNs(String namespace, String attributeName) Checks whether this element has a attribute with the given namespace and name.
abstract SpinXmlElement	remove(Collection<SpinXmlElement> childElements) Removes all child elements from this element.
abstract SpinXmlElement	remove(SpinXmlElement... childElements) Removes all child elements from this element.
abstract SpinXmlElement	removeAttr(String attributeName) Removes the attribute with an empty namespace.
abstract SpinXmlElement	removeAttrNs(String namespace, String attributeName) Removes the attribute under the given namespace.
abstract SpinXmlElement	replace(SpinXmlElement newChildElement) Replaces this element by an new one.
abstract SpinXmlElement	replaceChild(SpinXmlElement existingChildElement, SpinXmlElement newChildElement) Replaces an existing child element with a new one.
abstract String	textContent() Returns the text content of an element.
abstract SpinXmlElement	textContent(String textContent) Sets the text content of an element.
abstract String	toString() Returns the wrapped XML element as string representation.
abstract void	writeToWriter(Writer writer) Writes the wrapped XML element to a existing writer.
abstract SpinXPathQuery	xPath(String expression) Creates a XPath query on this element.

Methods inherited from class org.camunda.spin.xml.SpinXmlNode

hasNamespace, hasPrefix, mapTo, mapTo, name, namespace, prefix

Methods inherited from class org.camunda.spin.Spin

getDataFormatName, JSON, S, S, S, unwrap, XML

Methods inherited from class java.lang.Object

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

Constructor Detail

SpinXmlElement

public SpinXmlElement()

Method Detail

hasAttr

public abstract boolean hasAttr(String attributeName)

Checks whether this element has a attribute with an empty namespace and the given name.

Parameters:

attributeName - the name of the attribute

Returns:

true if the element has an attribute with this name under the local namespace, false otherwise

Throws:

IllegalArgumentException - if the attributeName is null

attr

public abstract SpinXmlAttribute attr(String attributeName)

Returns the wrapped attribute for an empty namespace and the given name.

Parameters:

attributeName - the name of the attribute

Returns:

the wrapped attribute

Throws:

IllegalArgumentException - if the attributeName is null

SpinXmlAttributeException - if the attribute is not found

attr

public abstract SpinXmlElement attr(String attributeName,
                                    String value)

Sets the attribute value in the local namespace of this element.

Parameters:

attributeName - the name of the attribute

value - the value to set

Returns:

the wrapped element

Throws:

IllegalArgumentException - if the attributeName or value is null

removeAttr

public abstract SpinXmlElement removeAttr(String attributeName)

Removes the attribute with an empty namespace.

Parameters:

attributeName - the name of the attribute

Returns:

the wrapped element

Throws:

IllegalArgumentException - if the attributeName is null

hasAttrNs

public abstract boolean hasAttrNs(String namespace,
                                  String attributeName)

Checks whether this element has a attribute with the given namespace and name.

Parameters:

namespace - the namespace of the attribute

attributeName - the name of the attribute

Returns:

true if the element has an attribute with this name under given namespace, false otherwise

Throws:

IllegalArgumentException - if the attributeName is null

attrNs

public abstract SpinXmlAttribute attrNs(String namespace,
                                        String attributeName)

Returns the wrapped attribute for the given namespace and name.

Parameters:

namespace - the namespace of the attribute

attributeName - the name of the attribute

Returns:

the wrapped attribute

Throws:

IllegalArgumentException - if attributeName or value is null

SpinXmlElementImplementationException - if the attribute cannot be set in the underlying implementation

attrNs

public abstract SpinXmlElement attrNs(String namespace,
                                      String attributeName,
                                      String value)

Sets the attribute value in the given namespace.

Parameters:

namespace - the namespace of the attribute

attributeName - the name of the attribute

value - the value to set

Returns:

the wrapped element

Throws:

IllegalArgumentException - if attributeName or value is null

SpinXmlElementImplementationException - if the attribute cannot be set in the underlying implementation

removeAttrNs

public abstract SpinXmlElement removeAttrNs(String namespace,
                                            String attributeName)

Removes the attribute under the given namespace.

Parameters:

namespace - the namespace of the attribute

attributeName - the name of the attribute

Returns:

the wrapped element

Throws:

IllegalArgumentException - if the attributeName is null

attrs

public abstract SpinList<SpinXmlAttribute> attrs()

Returns all wrapped attributes of this element.

Returns:

the wrapped attributes or an empty list of no attributes are found

attrs

public abstract SpinList<SpinXmlAttribute> attrs(String namespace)

Returns all wrapped attributes for the given namespace.

Parameters:

namespace - the namespace of the attributes

Returns:

the wrapped attributes or an empty list of no attributes are found

attrNames

public abstract List<String> attrNames()

Returns all names of the attributes of this element.

Returns:

the names of the attributes

attrNames

public abstract List<String> attrNames(String namespace)

Returns all names of the attributes in the given namespace.

Returns:

the names of the attributes

textContent

public abstract String textContent()

Returns the text content of an element.

Returns:

the text content or an empty string if non exists

textContent

public abstract SpinXmlElement textContent(String textContent)

Sets the text content of an element.

Parameters:

textContent - the text content to set

Returns:

the wrapped element

Throws:

IllegalArgumentException - if the textContent is null

childElement

public abstract SpinXmlElement childElement(String elementName)

Returns a single wrapped child element for the given name in the local namespace of this element.

Parameters:

elementName - the element name

Returns:

the wrapped child element

Throws:

IllegalArgumentException - if the elementName is null

SpinXmlElementException - if none or more than one child element is found

childElement

public abstract SpinXmlElement childElement(String namespace,
                                            String elementName)

Returns a single wrapped child element for the given namespace and name.

Parameters:

namespace - the namespace of the element

elementName - the element name

Returns:

the wrapped child element

Throws:

IllegalArgumentException - if the elementName is null

SpinXmlElementException - if none or more than one child element is found

childElements

public abstract SpinList<SpinXmlElement> childElements()

Returns all child elements of this elements.

Returns:

list of wrapped child elements

childElements

public abstract SpinList<SpinXmlElement> childElements(String elementName)

Returns all child elements with a given name in the local namespace of this element.

Parameters:

elementName - the element name

Returns:

a collection of wrapped elements

Throws:

IllegalArgumentException - if the element name is null

SpinXmlElementException - if no child element was found

childElements

public abstract SpinList<SpinXmlElement> childElements(String namespace,
                                                       String elementName)

Returns all child elements with a given namespace and name.

Parameters:

namespace - the namespace of the element

elementName - the element name

Returns:

a collection of wrapped elements

Throws:

IllegalArgumentException - if the element name is null

SpinXmlElementException - if no child element was found

append

public abstract SpinXmlElement append(SpinXmlElement... childElements)

Appends child elements to this element.

Parameters:

childElements - the child elements to append

Returns:

the wrapped element

Throws:

IllegalArgumentException - if the childElements is null or one of them

SpinXmlElementImplementationException - if a child element cannot be appended in the underlying implementation

append

public abstract SpinXmlElement append(Collection<SpinXmlElement> childElements)

Appends child elements to this element.

Parameters:

childElements - the child elements to append

Returns:

the wrapped element

Throws:

IllegalArgumentException - if the childElements is null or one of them

SpinXmlElementImplementationException - if a child element cannot be appended in the underlying implementation

appendBefore

public abstract SpinXmlElement appendBefore(SpinXmlElement childElement,
                                            SpinXmlElement existingChildElement)

Appends a child element to this element before the existing child element.

Parameters:

childElement - the child element to append

existingChildElement - the child element to append before

Returns:

the wrapped element

Throws:

IllegalArgumentException - if the child element or existing child element is null

SpinXmlElementException - if the existing child element is not a child of this element

SpinXmlElementImplementationException - if the new child element cannot be inserted in the underlying implementation

appendAfter

public abstract SpinXmlElement appendAfter(SpinXmlElement childElement,
                                           SpinXmlElement existingChildElement)

Appends a child element to this element after the existing child element.

Parameters:

childElement - the child element to append

existingChildElement - the child element to append after

Returns:

the wrapped element

Throws:

IllegalArgumentException - if the child element or existing child element is null

SpinXmlElementException - if the existing child element is not a child of this element

SpinXmlElementImplementationException - if the new child element cannot be inserted in the underlying implementation

remove

public abstract SpinXmlElement remove(SpinXmlElement... childElements)

Removes all child elements from this element.

Parameters:

childElements - the child elements to remove

Returns:

the wrapped element

Throws:

IllegalArgumentException - if child elements is null or any of them

SpinXmlElementException - if one of the child elements does not exist

SpinXmlElementImplementationException - if the child element cannot be removed in the underlying implementation

remove

public abstract SpinXmlElement remove(Collection<SpinXmlElement> childElements)

Removes all child elements from this element.

Parameters:

childElements - the child elements to remove

Returns:

the wrapped element

Throws:

IllegalArgumentException - if child elements is null or any of them

SpinXmlElementException - if one of the child elements does not exist

SpinXmlElementImplementationException - if the child element cannot be removed in the underlying implementation

replace

public abstract SpinXmlElement replace(SpinXmlElement newChildElement)

Replaces this element by an new one.

Parameters:

newChildElement - the new element

Returns:

the new wrapped element

Throws:

IllegalArgumentException - if the new element is null or has the wrong type

SpinXmlElementException - if this element has no parent element

SpinXmlElementImplementationException - if the element cannot be replaced in the underlying implementation

replaceChild

public abstract SpinXmlElement replaceChild(SpinXmlElement existingChildElement,
                                            SpinXmlElement newChildElement)

Replaces an existing child element with a new one.

Parameters:

existingChildElement - the existing child element to replace

newChildElement - the new child element

Returns:

the wrapped element

Throws:

IllegalArgumentException - if any of the child elements is null

SpinXmlElementException - if the existing element is not a child element of this

SpinXmlElementImplementationException - if the child cannot be replaced in the underlying implementation

xPath

public abstract SpinXPathQuery xPath(String expression)

Creates a XPath query on this element.

Parameters:

expression - the XPath expression

Returns:

the XPath query

toString

public abstract String toString()

Returns the wrapped XML element as string representation.

Specified by:

toString in class Spin<SpinXmlElement>

Returns:

the string representation

Throws:

SpinXmlElementException - if the element cannot be transformed or no new transformer can be created

writeToWriter

public abstract void writeToWriter(Writer writer)

Writes the wrapped XML element to a existing writer.

Specified by:

writeToWriter in class Spin<SpinXmlElement>

Parameters:

writer - the writer to write to

Throws:

SpinXmlElementException - if the element cannot be transformed or no new transformer can be created