Package com.microstrategy.web.tags

Class DisplayTagImpl

java.lang.Object

com.microstrategy.web.tags.TagImpl

com.microstrategy.web.tags.DisplayTagImpl

All Implemented Interfaces:

DisplayTag, DynamicTag, EnumHTMLTags, LayoutParserAware, Tag, java.io.Serializable

public class DisplayTagImpl
extends TagImpl
implements DisplayTag

Since:

MicroStrategy Web 9.0.0

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected java.lang.String	resolvedMethodName

Fields inherited from interface com.microstrategy.web.tags.DisplayTag

TAG_NAME_DISPLAY

Fields inherited from interface com.microstrategy.web.tags.DynamicTag

ATTR_NAME_METHOD, ATTR_NAME_METHOD_BASE, ATTR_NAME_NAME, METHOD_SOURCE_BEAN, METHOD_SOURCE_BEAN_NAME, METHOD_SOURCE_OBJECT, METHOD_SOURCE_TRANSFORM, METHOD_SOURCE_TRANSFORM_NAME

Fields inherited from interface com.microstrategy.web.tags.EnumHTMLTags

ATT_ACTION, ATT_ALIGN, ATT_ALT, ATT_AUTOCOMPLETE, ATT_BORDER, ATT_CELLPADDING, ATT_CELLSPACING, ATT_CHECKED, ATT_CLASS, ATT_CMD_FORMAT_TYPE, ATT_CMDID, ATT_CMDLVL, ATT_COLS, ATT_COLSPAN, ATT_DG, ATT_DIALOG, ATT_DISABLED, ATT_FOR, ATT_HEIGHT, ATT_HREF, ATT_HSPACE, ATT_ID, ATT_IFRAME, ATT_LANGUAGE, ATT_MAXLENGTH, ATT_METHOD, ATT_MODAL, ATT_NAME, ATT_NOWRAP, ATT_ONCHANGE, ATT_ONCLICK, ATT_ONFOCUS, ATT_ONKEYDOWN, ATT_ONKEYUP, ATT_ONMOUSEOUT, ATT_ONMOUSEOVER, ATT_ONSUBMIT, ATT_PARAM, ATT_PLACEHOLDER, ATT_READONLY, ATT_REL, ATT_ROWS, ATT_ROWSPAN, ATT_SCRIPT_CLASS, ATT_SELECTED, ATT_SIZE, ATT_SRC, ATT_STYLE, ATT_SUMMARY, ATT_TARGET, ATT_TITLE, ATT_TY, ATT_TYPE, ATT_VALIGN, ATT_VALUE, ATT_VALUE_ABSBOTTOM, ATT_VALUE_ABSMIDDLE, ATT_VALUE_BOTTOM, ATT_VALUE_BUTTON, ATT_VALUE_CHECKBOX, ATT_VALUE_DEFAULT, ATT_VALUE_EMBED, ATT_VALUE_FALSE, ATT_VALUE_HIDDEN, ATT_VALUE_IMAGE, ATT_VALUE_JAVASCRIPT, ATT_VALUE_LEFT, ATT_VALUE_MAX, ATT_VALUE_MIDDLE, ATT_VALUE_MIN, ATT_VALUE_NUMBER, ATT_VALUE_POST, ATT_VALUE_RADIO, ATT_VALUE_SUBMIT, ATT_VALUE_TEXT, ATT_VALUE_TOP, ATT_VALUE_TRUE, ATT_VSPACE, ATT_WIDTH, TAG_NAME_ANCHOR, TAG_NAME_CELL, TAG_NAME_DIV, TAG_NAME_HEADER, TAG_NAME_IFRAME, TAG_NAME_IMAGE, TAG_NAME_INPUT, TAG_NAME_LABEL, TAG_NAME_MAP, TAG_NAME_OPTION, TAG_NAME_ROW, TAG_NAME_SCRIPT, TAG_NAME_SELECT, TAG_NAME_SPAN, TAG_NAME_STYLE, TAG_NAME_TABLE, TAG_NAME_TBODY, TAG_NAME_TEXTAREA, TAG_NAME_THEAD

Method Summary

Modifier and Type	Method	Description
void	addArgument(ArgumentTag tag)	Adds an ArgumentTag as a child of the current tag.
Tag	addChild(Tag tag)	Adds a child tag.
void	addOnException(OnExceptionTag tag)	Adds an OnExceptionTag as a child of the current tag.
void	childrenAdded()
java.util.Enumeration	getArguments()	Returns an Enumeration over all the arguments of the method from which the dynamic contents are generated.
protected java.util.List	getCachedArguments()
protected java.util.List	getExceptions()
protected java.lang.Object[]	getInvocationArguments(MarkupOutput markup, LayoutContext context)
protected java.lang.Object[]	getInvocationArgumentsFromContext(MarkupOutput markup, LayoutContext context)
java.lang.String	getMethodName()	Returns the method name from which the dynamic contents are generated.
protected java.lang.Class[]	getMethodParameters()	This method returns the array of method parameter class.
protected java.lang.Class[]	getMethodParametersFromContext(LayoutContext context)	This method returns the method parameters class array from context.
int	getMethodSource()	Returns the method source in which the method is defined.
java.util.Enumeration	getOnExceptions()	Returns an Enumeration over all the exception tags associated with the method from which the dynamic contents are generated.
protected java.lang.String	getResolvedMethodName()
java.lang.Object	invokeMethod(MarkupOutput markup, LayoutContext context)	Invokes the method to generate the dynamic contents.
void	render(MarkupOutput markup, LayoutContext context)	(1) context == null, print out layout-related tags (2) context != null, render dynamic content from layout-related tags
void	setAttribute(java.lang.String attrName, java.lang.String attrValue)	Sets a new value to the attribute with the specified attribute name.
void	setMethodName(java.lang.String methodName)	Sets the method name from which the dynamic contents are generated.
void	setMethodSource(java.lang.String source)	Sets the method source in which the method is defined.
protected void	setMethodSourceInternal(int source)

Methods inherited from class com.microstrategy.web.tags.TagImpl

addChild, addChild, addTextChild, addTextChild, checkEmptyString, checkModifiable, checkNullObject, doEndTag, doStartTag, generateErrorMessage, getAttribute, getAttributeNames, getAttributeNamesCollection, getAttributesCollection, getChildren, getChildrenCollection, getContent, getCssClass, getDeepCopy, getDynamicAttributesCollection, getId, getLineNumber, getPreserveCase, getRootTag, getSealed, getStyle, getTagName, isClosedRequired, isContentInline, isDynamic, removeAttribute, removeChildren, render, renderAllAttributes, renderChildTags, renderCloseTag, renderCloseTag, renderOpenTag, renderOpenTag, replaceContent, setAttributes, setCssClass, setDynamic, setDynamicInternal, setId, setIsClosedRequired, setIsContentInline, setLineNumber, setPreserveCase, setRootTag, setSealed, setStyle, setTagName, shouldCloseTag

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.microstrategy.web.tags.DynamicTag

addArgument, addOnException, getArguments, getMethodName, getMethodSource, getOnExceptions, invokeMethod, setMethodName, setMethodSource

Methods inherited from interface com.microstrategy.web.tags.Tag

addChild, addChild, addChild, addTextChild, addTextChild, doEndTag, doStartTag, getAttribute, getAttributeNames, getChildren, getContent, getCssClass, getDeepCopy, getId, getLineNumber, getPreserveCase, getRootTag, getSealed, getStyle, getTagName, isClosedRequired, isContentInline, isDynamic, removeChildren, render, renderCloseTag, renderOpenTag, renderOpenTag, replaceContent, setAttribute, setAttributes, setCssClass, setDynamic, setId, setIsClosedRequired, setIsContentInline, setLineNumber, setPreserveCase, setRootTag, setSealed, setStyle, setTagName

Field Detail

resolvedMethodName

protected java.lang.String resolvedMethodName

Method Detail

render

public void render(MarkupOutput markup,
                   LayoutContext context)
            throws MalformedMethodException

Description copied from class: TagImpl

(1) context == null, print out layout-related tags (2) context != null, render dynamic content from layout-related tags

Specified by:

render in interface Tag

Overrides:

render in class TagImpl

Parameters:

markup - MarkupOutput

context - LayoutContext

Throws:

MalformedMethodException - thrown if error occurs at rendering.

getResolvedMethodName

protected java.lang.String getResolvedMethodName()

getMethodName

public java.lang.String getMethodName()

Description copied from interface: DynamicTag

Returns the method name from which the dynamic contents are generated. The method name is actually the value of the attibute DynamicTag.ATTR_NAME_METHOD.

Specified by:

getMethodName in interface DynamicTag

Returns:

the method name.

setMethodName

public void setMethodName(java.lang.String methodName)
                   throws UnmodifiableException

Description copied from interface: DynamicTag

Sets the method name from which the dynamic contents are generated. The method name is actually the value of the attibute DynamicTag.ATTR_NAME_METHOD.

Specified by:

setMethodName in interface DynamicTag

Parameters:

methodName - the method name.

Throws:

UnmodifiableException - thrown if the current tag is read-only.

getArguments

public java.util.Enumeration getArguments()

Description copied from interface: DynamicTag

Returns an Enumeration over all the arguments of the method from which the dynamic contents are generated.

Specified by:

getArguments in interface DynamicTag

Returns:

an Enumeration over all the arguments.

addArgument

public void addArgument(ArgumentTag tag)
                 throws UnmodifiableException

Description copied from interface: DynamicTag

Adds an ArgumentTag as a child of the current tag.

Specified by:

addArgument in interface DynamicTag

Parameters:

tag - an ArgumentTag to be added.

Throws:

UnmodifiableException - thrown if the current tag is read-only.

addOnException

public void addOnException(OnExceptionTag tag)
                    throws UnmodifiableException

Description copied from interface: DynamicTag

Adds an OnExceptionTag as a child of the current tag.

Specified by:

addOnException in interface DynamicTag

Parameters:

tag - an OnExceptionTag to be added.

Throws:

UnmodifiableException - thrown if the current tag is read-only.

getOnExceptions

public java.util.Enumeration getOnExceptions()

Description copied from interface: DynamicTag

Returns an Enumeration over all the exception tags associated with the method from which the dynamic contents are generated.

Specified by:

getOnExceptions in interface DynamicTag

Returns:

an Enumeration over all the OnExceptionTag tags.

getMethodSource

public int getMethodSource()

Description copied from interface: DynamicTag

Returns the method source in which the method is defined. Method source can be one of the following

• DynamicTag.METHOD_SOURCE_BEAN
• DynamicTag.METHOD_SOURCE_TRANSFORM.
• DynamicTag.METHOD_SOURCE_OBJECT.

Specified by:

getMethodSource in interface DynamicTag

Returns:

the method source.

setMethodSource

public void setMethodSource(java.lang.String source)
                     throws UnmodifiableException

Description copied from interface: DynamicTag

Sets the method source in which the method is defined. Method source can be one of the following

• DynamicTag.METHOD_SOURCE_BEAN
• DynamicTag.METHOD_SOURCE_TRANSFORM.
• DynamicTag.METHOD_SOURCE_OBJECT.

Specified by:

setMethodSource in interface DynamicTag

Parameters:

source - the method source.

Throws:

UnmodifiableException - thrown if the current tag is read-only.

invokeMethod

public java.lang.Object invokeMethod(MarkupOutput markup,
                                     LayoutContext context)
                              throws MalformedMethodException,
                                     EmptyListException

Description copied from interface: DynamicTag

Invokes the method to generate the dynamic contents.

Specified by:

invokeMethod in interface DynamicTag

Parameters:

markup - a MarkupOutput object which could be the first parameter of the method if the current tag is a RenderTag.

context - a LayoutContext object from which the method source and list values are cached.

Returns:

the return value of the method call.

Throws:

MalformedMethodException - thrown if there is any exception making the method call.

EmptyListException - thrown if the List cached in the LayoutContext is empty.

addChild

public Tag addChild(Tag tag)
             throws UnmodifiableException

Description copied from interface: Tag

Adds a child tag.

Specified by:

addChild in interface Tag

Overrides:

addChild in class TagImpl

Parameters:

tag - the child tag to be added.

Returns:

the child tag just being added.

Throws:

UnmodifiableException - thrown if the current tag is read-only.

setAttribute

public void setAttribute(java.lang.String attrName,
                         java.lang.String attrValue)
                  throws UnmodifiableException

Description copied from interface: Tag

Sets a new value to the attribute with the specified attribute name. If the specified attribute does not exist in the current tag, adds it. If the specified attribute value is null, removes the attribute from the current tag.

Specified by:

setAttribute in interface Tag

Overrides:

setAttribute in class TagImpl

Parameters:

attrName - the name of the attribute

attrValue - the value of the attribute

Throws:

UnmodifiableException - thrown if the current tag is read-only.

getCachedArguments

protected java.util.List getCachedArguments()

getExceptions

protected java.util.List getExceptions()

getMethodParameters

protected java.lang.Class[] getMethodParameters()
                                         throws TypeUnsupportedException

This method returns the array of method parameter class. The default behavior is to compute from argument tags.

Returns:

The array of method parameter class.

Throws:

TypeUnsupportedException

getInvocationArguments

protected java.lang.Object[] getInvocationArguments(MarkupOutput markup,
                                                    LayoutContext context)
                                             throws ArgumentUnresolvedException,
                                                    EmptyListException

Throws:

ArgumentUnresolvedException

EmptyListException

getInvocationArgumentsFromContext

protected java.lang.Object[] getInvocationArgumentsFromContext(MarkupOutput markup,
                                                               LayoutContext context)
                                                        throws ArgumentUnresolvedException,
                                                               EmptyListException

Throws:

ArgumentUnresolvedException

EmptyListException

setMethodSourceInternal

protected void setMethodSourceInternal(int source)

getMethodParametersFromContext

protected java.lang.Class[] getMethodParametersFromContext(LayoutContext context)
                                                    throws TypeUnsupportedException

This method returns the method parameters class array from context. Default behavior is to retrieve it from cache.

Parameters:

context - The layout context.

Returns:

The array of parameter classes.

Throws:

TypeUnsupportedException

childrenAdded

public void childrenAdded()

Specified by:

childrenAdded in interface LayoutParserAware