Class Util
java.lang.Object
org.apache.jasper.tagplugins.jstl.Util
Util contains some often used consts, static methods and embedded class to support the JSTL tag plugin.
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic class
Wraps responses to allow us to retrieve results as Strings. -
Field Summary
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionstatic String
escapeXml
(char[] arrayBuffer, int length) static String
Performs the following substring replacements (to facilitate output to XML/HTML pages):&
->&
<
-><
>
->>
"
->"
'
->'
See also OutSupport.writeEscapedXml(). taken from org.apache.taglibs.standard.tag.common.core.Utilstatic String
getContentTypeAttribute
(String input, String name) Get the value associated with a content-type attribute.static int
Converts the given string description of a scope to the corresponding PageContext constant.static boolean
isAbsoluteUrl
(String url) Returnstrue
if our current URL is absolute,false
otherwise. taken from org.apache.taglibs.standard.tag.common.core.ImportSupportstatic String
resolveUrl
(String url, String context, PageContext pageContext) Utility methods taken from org.apache.taglibs.standard.tag.common.core.UrlSupportstatic String
stripSession
(String url) Strips a servlet session ID fromurl
.
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Field Details
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DEFAULT_ENCODING
- See Also:
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Constructor Details
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Util
public Util()
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Method Details
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getScope
Converts the given string description of a scope to the corresponding PageContext constant. The validity of the given scope has already been checked by the appropriate TLV.- Parameters:
scope
- String description of scope- Returns:
- PageContext constant corresponding to given scope description taken from org.apache.taglibs.standard.tag.common.core.Util
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isAbsoluteUrl
Returnstrue
if our current URL is absolute,false
otherwise. taken from org.apache.taglibs.standard.tag.common.core.ImportSupport- Parameters:
url
- The URL- Returns:
true
if the URL is absolute
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getContentTypeAttribute
Get the value associated with a content-type attribute. Syntax defined in RFC 2045, section 5.1. taken from org.apache.taglibs.standard.tag.common.core.Util- Parameters:
input
- The attribute stringname
- The attribute name- Returns:
- the attribute value
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stripSession
Strips a servlet session ID fromurl
. The session ID is encoded as a URL "path parameter" beginning with "jsessionid=". We thus remove anything we find between ";jsessionid=" (inclusive) and either EOS or a subsequent ';' (exclusive). taken from org.apache.taglibs.standard.tag.common.core.ImportSupport- Parameters:
url
- The URL- Returns:
- the URL without a user submitted session id parameter
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escapeXml
Performs the following substring replacements (to facilitate output to XML/HTML pages):&
->&
<
-><
>
->>
"
->"
'
->'
- Parameters:
buffer
- Data to escape- Returns:
- escaped data
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escapeXml
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resolveUrl
public static String resolveUrl(String url, String context, PageContext pageContext) throws JspException Utility methods taken from org.apache.taglibs.standard.tag.common.core.UrlSupport- Parameters:
url
- The URLcontext
- The contextpageContext
- The page context- Returns:
- the absolute URL
- Throws:
JspException
- If the URL doesn't start with '/'
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