org.mmbase.bridge.jsp.taglib
Class CloudReferrerTag

java.lang.Object
  |
  +--javax.servlet.jsp.tagext.TagSupport
        |
        +--javax.servlet.jsp.tagext.BodyTagSupport
              |
              +--org.mmbase.bridge.jsp.taglib.ContextReferrerTag
                    |
                    +--org.mmbase.bridge.jsp.taglib.CloudReferrerTag

All Implemented Interfaces:

javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag

Direct Known Subclasses:

CommitTag, InfoTag, MayCreateTag, NodeReferrerTag, TransactionTag, UrlTag

public abstract class CloudReferrerTag

extends ContextReferrerTag

Tags which are meant to live as a child of the CloudTag, could extend this class.

Author:

Michiel Meeuwissen

See Also:

Serialized Form

Fields inherited from class org.mmbase.bridge.jsp.taglib.ContextReferrerTag

contextId, PAGE_CATEGORY, pageContextTag, referid, writerid

Fields inherited from class javax.servlet.jsp.tagext.BodyTagSupport

bodyContent

Fields inherited from class javax.servlet.jsp.tagext.TagSupport

id, pageContext

Fields inherited from interface javax.servlet.jsp.tagext.BodyTag

EVAL_BODY_BUFFERED, EVAL_BODY_TAG

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface javax.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

CloudReferrerTag()

Method Summary

protected CloudProvider	findCloudProvider() This method tries to find an ancestor object of type CloudProvider.
CloudProvider	findCloudProvider(boolean throwexception) This method tries to find an ancestor object of type CloudProvider.
Cloud	getCloud() Find the CloudProvider and return its cloud variable in one step.
protected CloudContext	getCloudContext()
protected Node	getNode(java.lang.String key)
protected Node	getNodeOrNull(java.lang.String key) Gets a node from the context.
void	setCloud(java.lang.String c) If there are more clouds to choose from, you can have a 'cloud' attribute in your tag, in wich you can indicate the id of the cloud you mean.

Methods inherited from class org.mmbase.bridge.jsp.taglib.ContextReferrerTag

findParentTag, findParentTag, findWriter, findWriter, getAttributeBoolean, getAttributeInteger, getAttributeInteger, getAttributeValue, getContextTag, getObject, getReferid, getString, release, setContext, setPageContext, setReferid, setWriter

Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport

doAfterBody, doEndTag, doInitBody, doStartTag, getBodyContent, getPreviousOut, setBodyContent

Methods inherited from class javax.servlet.jsp.tagext.TagSupport

findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setParent, setValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.servlet.jsp.tagext.Tag

getParent, setParent

Constructor Detail

CloudReferrerTag

public CloudReferrerTag()

Method Detail

setCloud

public void setCloud(java.lang.String c)

If there are more clouds to choose from, you can have a 'cloud' attribute in your tag, in wich you can indicate the id of the cloud you mean.

findCloudProvider

protected CloudProvider findCloudProvider()
                                   throws javax.servlet.jsp.JspTagException

This method tries to find an ancestor object of type CloudProvider.

Returns:

the CloudTag if found, else an exception.

findCloudProvider

public CloudProvider findCloudProvider(boolean throwexception)
                                throws javax.servlet.jsp.JspTagException

This method tries to find an ancestor object of type CloudProvider.

Returns:

the CloudProvider or null.

getCloud

public Cloud getCloud()
               throws javax.servlet.jsp.JspTagException

Find the CloudProvider and return its cloud variable in one step. And the result of findCloudProvider is stored, so invoking this function more often is better then invoking findCloudProvider every time.

Returns:

a Cloud

getCloudContext

protected CloudContext getCloudContext()

Returns:

the cloud context

getNode

protected Node getNode(java.lang.String key)
                throws javax.servlet.jsp.JspTagException

getNodeOrNull

protected Node getNodeOrNull(java.lang.String key)
                      throws javax.servlet.jsp.JspTagException

Gets a node from the context.