org.apache.jasper.tagplugins.jstl
Class Util

java.lang.Object
  org.apache.jasper.tagplugins.jstl.Util

public class Util
extends Object

Util contains some often used consts, static methods and embedded class to support the JSTL tag plugin.

Nested Class Summary

static class

Util.ImportResponseWrapper Wraps responses to allow us to retrieve results as Strings.

Field Summary

static String	DEFAULT_ENCODING
static int	HIGHEST_SPECIAL
static String	VALID_SCHEME_CHAR

Constructor Summary

Util()

Method Summary

static String	escapeXml(char[] arrayBuffer, int length)
static String	escapeXml(String buffer) Performs the following substring replacements (to facilitate output to XML/HTML pages): & -> & < -> < > -> > " -> " ' -> ' See also OutSupport.writeEscapedXml().
static String	getContentTypeAttribute(String input, String name) Get the value associated with a content-type attribute.
static int	getScope(String scope) Converts the given string description of a scope to the corresponding PageContext constant.
static boolean	isAbsoluteUrl(String url) Returns true if our current URL is absolute, false otherwise.
static String	resolveUrl(String url, String context, PageContext pageContext) Utility methods taken from org.apache.taglibs.standard.tag.common.core.UrlSupport
static String	stripSession(String url) Strips a servlet session ID from url.

Methods inherited from class java.lang.Object

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

Field Detail

VALID_SCHEME_CHAR

public static final String VALID_SCHEME_CHAR

See Also:

Constant Field Values

DEFAULT_ENCODING

public static final String DEFAULT_ENCODING

See Also:

Constant Field Values

HIGHEST_SPECIAL

public static final int HIGHEST_SPECIAL

See Also:

Constant Field Values

Constructor Detail

Util

public Util()

Method Detail

getScope

public static int getScope(String scope)

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

isAbsoluteUrl

public static boolean isAbsoluteUrl(String url)

Returns true if our current URL is absolute, false otherwise. taken from org.apache.taglibs.standard.tag.common.core.ImportSupport

getContentTypeAttribute

public static String getContentTypeAttribute(String input,
                                             String name)

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

stripSession

public static String stripSession(String url)

Strips a servlet session ID from url. 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

escapeXml

public static String escapeXml(String buffer)

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.Util

escapeXml

public static String escapeXml(char[] arrayBuffer,
                               int length)

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

Throws:

JspException