org.codehaus.cargo.module
Class AbstractDescriptor

java.lang.Object
  org.jdom.Document
      org.codehaus.cargo.module.AbstractDescriptor

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, Descriptor, org.jdom.Parent

Direct Known Subclasses:

ApplicationXml, EjbJarXml, IbmEjbJarBndXmi, IbmWebBndXmi, JBossWebXml, JBossXml, OrionEjbJarXml, OrionWebXml, ResinWebXml, TomcatContextXml, WeblogicEjbJarXml, WeblogicXml, WebXml

public abstract class AbstractDescriptor
extends org.jdom.Document
implements Descriptor

Encapsulates the DOM representation of a deployment descriptor to provide convenience methods for easy access and manipulation.

Version:

$Id: AbstractDescriptor.java 1705 2008-09-02 13:14:55Z adriana $

See Also:

Serialized Form

Field Summary

Fields inherited from class org.jdom.Document

baseURI

Constructor Summary

AbstractDescriptor(org.jdom.Element rootElement, DescriptorType descriptorType)
Constructor.

Method Summary

org.jdom.Element	addElement(DescriptorTag tag, org.jdom.Element child, org.jdom.Element parent) Adds an element of the specified tag to the descriptor.
protected void	checkElement(org.jdom.Element element, DescriptorTag expectedTag) Checks an element whether its name matches the specified name.
protected org.jdom.Element	createNestedText(DescriptorTag tag, java.lang.String text) Creates an element that contains nested text.
protected java.lang.String	getChildText(org.jdom.Element parent, DescriptorTag tag) Returns the text value from a child directly under the parent tag.
protected java.lang.String	getChildText(org.jdom.Element parent, java.lang.String tagName) Returns the text value from a child directly under the parent tag.
DescriptorType	getDescriptorType() Get the descriptor type for this descriptor.
org.jdom.Document	getDocument() Return the representation as a document.
java.util.Iterator	getElements(DescriptorTag tag) Returns an iterator over the elements that match the specified tag.
java.util.Iterator	getElements(java.lang.String tagName) Returns an iterator over the elements that match the specified tag.
protected org.jdom.Element	getImmediateChild(org.jdom.Element parent, DescriptorTag tag) Gets a certain tag directly under the parent tag.
protected org.jdom.Element	getInsertionPointFor(DescriptorTag tag, java.lang.String parent) Returns the node before which the specified tag should be inserted, or null if the node should be inserted at the end of the descriptor.
protected java.util.Iterator	getNestedElements(org.jdom.Element parent, DescriptorTag tag) Returns an iterator over the child elements of the specified element that match the specified tag.
protected java.lang.String	getNestedText(org.jdom.Element parent, DescriptorTag tag) Returns the text nested inside a child element of the specified element.
org.jdom.Element	getTagByIdentifier(DescriptorTag tag, java.lang.String value) Get elements of a particular descriptor tag whose identifier matches the passed parameter.
org.jdom.Element	getTagByIdentifier(java.lang.String tagName, java.lang.String value) Get elements of a particular descriptor tag whose identifier matches the passed parameter.
java.util.List	getTags(DescriptorTag tag) Get tags of a particular type.
java.util.List	getTags(java.lang.String tagName) Get tags of a particular type.
protected java.lang.String	getText(org.jdom.Element element) Returns the text value of an element.

Methods inherited from class org.jdom.Document

addContent, addContent, addContent, addContent, clone, cloneContent, detachRootElement, equals, getBaseURI, getContent, getContent, getContent, getContentSize, getDescendants, getDescendants, getDocType, getParent, getProperty, getRootElement, hashCode, hasRootElement, indexOf, removeContent, removeContent, removeContent, removeContent, setBaseURI, setContent, setContent, setContent, setContent, setDocType, setProperty, setRootElement, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.codehaus.cargo.module.Descriptor

getFileName, getRootElement

Methods inherited from interface org.jdom.Parent

clone, cloneContent, getContent, getContent, getContent, getContentSize, getDescendants, getDescendants, getParent, indexOf, removeContent, removeContent, removeContent, removeContent

Constructor Detail

AbstractDescriptor

public AbstractDescriptor(org.jdom.Element rootElement,
                          DescriptorType descriptorType)

Constructor.

Parameters:

rootElement - The root element of the document

descriptorType - The type of the descriptor

Method Detail

getDocument

public org.jdom.Document getDocument()

Return the representation as a document.

Specified by:

getDocument in interface Descriptor

Specified by:

getDocument in interface org.jdom.Parent

Overrides:

getDocument in class org.jdom.Document

Returns:

JDOM Document

getTags

public java.util.List getTags(DescriptorTag tag)

Get tags of a particular type.

Specified by:

getTags in interface Descriptor

Parameters:

tag - type of elements to find

Returns:

list of tags

getTags

public java.util.List getTags(java.lang.String tagName)

Get tags of a particular type.

Parameters:

tagName - type of elements to find

Returns:

list of tags

getElements

public java.util.Iterator getElements(DescriptorTag tag)

Returns an iterator over the elements that match the specified tag.

Parameters:

tag - The descriptor tag of which the elements should be returned

Returns:

An iterator over the elements matching the tag, in the order they occur in the descriptor

getElements

public java.util.Iterator getElements(java.lang.String tagName)

Returns an iterator over the elements that match the specified tag.

Parameters:

tagName - The name of a descriptor tag of which the elements should be returned

Returns:

An iterator over the elements matching the tag, in the order they occur in the descriptor

checkElement

protected void checkElement(org.jdom.Element element,
                            DescriptorTag expectedTag)
                     throws java.lang.IllegalArgumentException

Checks an element whether its name matches the specified name.

Parameters:

element - The element to check

expectedTag - The expected tag name

Throws:

java.lang.IllegalArgumentException - If the element name doesn't match

getNestedElements

protected java.util.Iterator getNestedElements(org.jdom.Element parent,
                                               DescriptorTag tag)

Returns an iterator over the child elements of the specified element that match the specified tag.

Parameters:

parent - The element of which the nested elements should be retrieved

tag - The descriptor tag of which the elements should be returned

Returns:

An iterator over the elements matching the tag, in the order they occur in the descriptor

createNestedText

protected org.jdom.Element createNestedText(DescriptorTag tag,
                                            java.lang.String text)

Creates an element that contains nested text.

Parameters:

tag - The tag to create an instance of

text - The text that should be nested in the element

Returns:

The created DOM element

getNestedText

protected java.lang.String getNestedText(org.jdom.Element parent,
                                         DescriptorTag tag)

Returns the text nested inside a child element of the specified element.

Parameters:

parent - The element of which the nested text should be returned

tag - The descriptor tag in which the text is nested

Returns:

The text nested in the element

getText

protected java.lang.String getText(org.jdom.Element element)

Returns the text value of an element.

Parameters:

element - the element of wich the text value should be returned

Returns:

the text value of an element

getImmediateChild

protected org.jdom.Element getImmediateChild(org.jdom.Element parent,
                                             DescriptorTag tag)

Gets a certain tag directly under the parent tag.

Parameters:

parent - the tag to get the cild from

tag - name of the child tag

Returns:

tag directly under the parent tag.

getChildText

protected java.lang.String getChildText(org.jdom.Element parent,
                                        DescriptorTag tag)

Returns the text value from a child directly under the parent tag.

Parameters:

parent - the parent tag to get the child text from

tag - the name of the child tag

Returns:

the text value of a child tag directly under the parent tag

getChildText

protected java.lang.String getChildText(org.jdom.Element parent,
                                        java.lang.String tagName)

Returns the text value from a child directly under the parent tag.

Parameters:

parent - the parent tag to get the child text from

tagName - the name of the child tag

Returns:

the text value of a child tag directly under the parent tag

addElement

public org.jdom.Element addElement(DescriptorTag tag,
                                   org.jdom.Element child,
                                   org.jdom.Element parent)

Adds an element of the specified tag to the descriptor.

Specified by:

addElement in interface Descriptor

Parameters:

tag - The descriptor tag

child - The child element to add

parent - The parent element to add the child to

Returns:

the inserted element

getInsertionPointFor

protected org.jdom.Element getInsertionPointFor(DescriptorTag tag,
                                                java.lang.String parent)

Returns the node before which the specified tag should be inserted, or null if the node should be inserted at the end of the descriptor.

Parameters:

tag - The tag that should be inserted

parent - name of the parent tag

Returns:

The node before which the tag can be inserted

getDescriptorType

public DescriptorType getDescriptorType()

Description copied from interface: Descriptor

Get the descriptor type for this descriptor.

Specified by:

getDescriptorType in interface Descriptor

Returns:

the descriptorType

getTagByIdentifier

public org.jdom.Element getTagByIdentifier(DescriptorTag tag,
                                           java.lang.String value)

Get elements of a particular descriptor tag whose identifier matches the passed parameter.

Specified by:

getTagByIdentifier in interface Descriptor

Parameters:

tag - tag to search for

value - value for the identifier to match

Returns:

the element that matches

getTagByIdentifier

public org.jdom.Element getTagByIdentifier(java.lang.String tagName,
                                           java.lang.String value)

Get elements of a particular descriptor tag whose identifier matches the passed parameter.

Parameters:

tagName - Name of the tag to search for

value - value for the identifier to match

Returns:

the element that matches