org.opencms.jsp
Class CmsJspTagHeadIncludes

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      javax.servlet.jsp.tagext.BodyTagSupport
          org.opencms.jsp.CmsJspTagHeadIncludes

All Implemented Interfaces:

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

public class CmsJspTagHeadIncludes
extends javax.servlet.jsp.tagext.BodyTagSupport
implements I_CmsJspTagParamParent

This tag includes required CSS or JavaScript resources that are to be places in the HTML head.

Required resources can be configured in the resource type schema. Set attribute type to 'css' to include css resources or to 'javascript' to include JavaScript resources.

Since:

8.0

See Also:

Serialized Form

Field Summary

static java.lang.String	TYPE_CSS The include type CSS.
static java.lang.String	TYPE_JAVASCRIPT The include type java-script.

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

CmsJspTagHeadIncludes()

Method Summary

static void	addParameter(java.util.Map<java.lang.String,java.lang.String[]> parameters, java.lang.String name, java.lang.String value, boolean overwrite) Adds parameters to a parameter Map that can be used for a http request.
void	addParameter(java.lang.String name, java.lang.String value) Add a parameter to this tag.
int	doEndTag()
int	doStartTag() Returns BodyTag.EVAL_BODY_BUFFERED.
static java.util.Set<java.lang.String>	getCSSHeadIncludes(CmsObject cms, CmsResource resource) Returns the configured CSS head include resources.
java.lang.String	getDefaults() Returns the default include resources separated by '|'.
static java.util.Set<java.lang.String>	getJSHeadIncludes(CmsObject cms, CmsResource resource) Returns the configured JavaScript head include resources.
java.lang.String	getType() Returns the type.
void	setClosetags(java.lang.String closeTags) Sets the value of the closetags attribute.
void	setDefaults(java.lang.String defaults) Sets the default include resources separated by '|'.
void	setType(java.lang.String type) Sets the type.
boolean	shouldCloseTags() Returns true if the headincludes tag should be closed.
void	tagCssAction(CmsObject cms, javax.servlet.ServletRequest req) Action to include the CSS resources.
void	tagJSAction(CmsObject cms, javax.servlet.ServletRequest req) Action to include the java-script resources.

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

doAfterBody, doInitBody, getBodyContent, getPreviousOut, release, setBodyContent

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

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

Field Detail

TYPE_CSS

public static final java.lang.String TYPE_CSS

The include type CSS.

See Also:

Constant Field Values

TYPE_JAVASCRIPT

public static final java.lang.String TYPE_JAVASCRIPT

The include type java-script.

See Also:

Constant Field Values

Constructor Detail

CmsJspTagHeadIncludes

public CmsJspTagHeadIncludes()

Method Detail

addParameter

public static void addParameter(java.util.Map<java.lang.String,java.lang.String[]> parameters,
                                java.lang.String name,
                                java.lang.String value,
                                boolean overwrite)

Adds parameters to a parameter Map that can be used for a http request.

Parameters:

parameters - the Map to add the parameters to

name - the name to add

value - the value to add

overwrite - if true, a parameter in the map will be overwritten by a parameter with the same name, otherwise the request will have multiple parameters with the same name (which is possible in http requests)

getCSSHeadIncludes

public static java.util.Set<java.lang.String> getCSSHeadIncludes(CmsObject cms,
                                                                 CmsResource resource)

Returns the configured CSS head include resources.

Parameters:

cms - the current cms context

resource - the resource

Returns:

the configured CSS head include resources

getJSHeadIncludes

public static java.util.Set<java.lang.String> getJSHeadIncludes(CmsObject cms,
                                                                CmsResource resource)
                                                         throws CmsLoaderException

Returns the configured JavaScript head include resources.

Parameters:

cms - the current cms context

resource - the resource

Returns:

the configured JavaScript head include resources

Throws:

CmsLoaderException - if something goes wrong reading the resource type

addParameter

public void addParameter(java.lang.String name,
                         java.lang.String value)

Description copied from interface: I_CmsJspTagParamParent

Add a parameter to this tag. The intent is that the <param> subtag will call this to register parameters. Assumes that 'name' and 'value' are appropriately encoded and do not contain any meaningful metacharacters; in order words, escaping is the responsibility of the caller.

Specified by:

addParameter in interface I_CmsJspTagParamParent

Parameters:

name - the name of the parameter

value - the value of the parameter

See Also:

I_CmsJspTagParamParent.addParameter(java.lang.String, java.lang.String)

doEndTag

public int doEndTag()
             throws javax.servlet.jsp.JspException

Specified by:

doEndTag in interface javax.servlet.jsp.tagext.Tag

Overrides:

doEndTag in class javax.servlet.jsp.tagext.BodyTagSupport

Returns:

EVAL_PAGE

Throws:

javax.servlet.jsp.JspException - by interface default

See Also:

Tag.doEndTag()

doStartTag

public int doStartTag()

Returns BodyTag.EVAL_BODY_BUFFERED.

Specified by:

doStartTag in interface javax.servlet.jsp.tagext.Tag

Overrides:

doStartTag in class javax.servlet.jsp.tagext.BodyTagSupport

Returns:

BodyTag.EVAL_BODY_BUFFERED

See Also:

Tag.doStartTag()

getDefaults

public java.lang.String getDefaults()

Returns the default include resources separated by '|'.

Returns:

the default include resources

getType

public java.lang.String getType()

Returns the type.

Returns:

the type

setClosetags

public void setClosetags(java.lang.String closeTags)

Sets the value of the closetags attribute.

Parameters:

closeTags - the value of the closetags attribute

setDefaults

public void setDefaults(java.lang.String defaults)

Sets the default include resources separated by '|'.

Parameters:

defaults - the default include resources to set

setType

public void setType(java.lang.String type)

Sets the type.

Parameters:

type - the type to set

shouldCloseTags

public boolean shouldCloseTags()

Returns true if the headincludes tag should be closed.

Returns:

true if the headincludes tag should be closed

tagCssAction

public void tagCssAction(CmsObject cms,
                         javax.servlet.ServletRequest req)
                  throws CmsException,
                         java.io.IOException

Action to include the CSS resources.

Parameters:

cms - the current cms context

req - the current request

Throws:

CmsException - if something goes wrong reading the resources

java.io.IOException - if something goes wrong writing to the response out

tagJSAction

public void tagJSAction(CmsObject cms,
                        javax.servlet.ServletRequest req)
                 throws CmsException,
                        java.io.IOException

Action to include the java-script resources.

Parameters:

cms - the current cms context

req - the current request

Throws:

CmsException - if something goes wrong reading the resources

java.io.IOException - if something goes wrong writing to the response out