MatchTag (Apache Struts API Documentation)
Keywords: org.apache.struts.taglib.logic.MatchTag,MatchTag class

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## org.apache.struts.taglib.logic
Class MatchTag

    java.lang.Object
      |
      +--javax.servlet.jsp.tagext.TagSupport
            |
            +--org.apache.struts.taglib.logic.ConditionalTagBase
                  |
                  +--org.apache.struts.taglib.logic.MatchTag

All Implemented Interfaces:
  java.io.Serializable, javax.servlet.jsp.tagext.Tag

Direct Known Subclasses:
  NestedMatchTag, NotMatchTag

public class MatchTag
extends ConditionalTagBase

Evalute the nested body content of this tag if the specified value is a substring of the specified variable.

Version:
  $Revision: 1.1 $ $Date: 2003-08-26 13:57:44 +0100 (Tue, 26 Aug 2003) $
Author:
  Craig R. McClanahan
See Also:
  Serialized Form

Field Summary
`protected java.lang.String` | `location` The location where the match must exist (`start` or `end`), or `null` for anywhere.
`protected java.lang.String` | `value` The value to which the variable specified by other attributes of this tag will be matched.

Fields inherited from class org.apache.struts.taglib.logic.ConditionalTagBase
`cookie, header, messages, name, parameter, property, role, scope, user`

Fields inherited from class javax.servlet.jsp.tagext.TagSupport
`id, pageContext`

Fields inherited from interface javax.servlet.jsp.tagext.Tag
`EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE`

Constructor Summary
`MatchTag()`

Method Summary
`protected boolean` | `condition()` Evaluate the condition that is being tested by this particular tag, and return `true` if the nested body content of this tag should be evaluated, or `false` if it should be skipped.
`protected boolean` | `condition(boolean desired)` Evaluate the condition that is being tested by this particular tag, and return `true` if the nested body content of this tag should be evaluated, or `false` if it should be skipped.
`java.lang.String` | `getLocation()`
`java.lang.String` | `getValue()`
`void` | `release()` Release all allocated resources.
`void` | `setLocation(java.lang.String location)`
`void` | `setValue(java.lang.String value)`

Methods inherited from class org.apache.struts.taglib.logic.ConditionalTagBase
`doEndTag, doStartTag, getCookie, getHeader, getName, getParameter, getProperty, getRole, getScope, getUser, setCookie, setHeader, setName, setParameter, setProperty, setRole, setScope, setUser`

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`

Field Detail

### location

    protected java.lang.String location

  The location where the match must exist (`start` or `end`), or `null` for anywhere.

### value

    protected java.lang.String value

  The value to which the variable specified by other attributes of this tag will be matched.

Constructor Detail

### MatchTag

    public MatchTag()

Method Detail

### getLocation

    public java.lang.String getLocation()

### setLocation

    public void setLocation(java.lang.String location)

### getValue

    public java.lang.String getValue()

### setValue

    public void setValue(java.lang.String value)

### release

    public void release()

  Release all allocated resources.

  Specified by:
    `release` in interface `javax.servlet.jsp.tagext.Tag`
  Overrides:
    `release` in class `ConditionalTagBase`

### condition

    protected boolean condition()
                         throws javax.servlet.jsp.JspException

  Evaluate the condition that is being tested by this particular tag, and return `true` if the nested body content of this tag should be evaluated, or `false` if it should be skipped. This method must be implemented by concrete subclasses.

  Specified by:
    `condition` in class `ConditionalTagBase`
  Throws:
    `javax.servlet.jsp.JspException` - if a JSP exception occurs

### condition

    protected boolean condition(boolean desired)
                         throws javax.servlet.jsp.JspException

  Evaluate the condition that is being tested by this particular tag, and return `true` if the nested body content of this tag should be evaluated, or `false` if it should be skipped. This method must be implemented by concrete subclasses.

  Parameters:
    `desired` - Desired value for a true result
  Throws:
    `javax.servlet.jsp.JspException` - if a JSP exception occurs

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