org.apache.struts2.views.java.simple

## Class AbstractTagHandler

- java.lang.Object
- - org.apache.struts2.views.java.simple.AbstractTagHandler

- All Implemented Interfaces:
    TagHandler
  Direct Known Subclasses:
    AbstractMessageListHandler, AnchorHandler, AnchorHandler.CloseHandler, CheckboxHandler, CheckboxListHandler, CommonAttributesHandler, DateTextFieldHandler, DynamicAttributesHandler, EmptyHandler, FieldErrorHandler, FileHandler, FormHandler, FormHandler.CloseHandler, HeadHandler, HiddenHandler, LabelHandler, LinkHandler, NonceHandler, PasswordHandler, RadioHandler, ResetHandler, ScriptHandler, ScriptHandler.CloseHandler, ScriptingEventsHandler, SelectHandler, SubmitHandler, SubmitHandler.CloseHandler, TextAreaHandler, TextFieldHandler, TokenHandler

      public abstract class AbstractTagHandler
      extends Object
      implements TagHandler

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected TemplateRenderingContext` | `context`
    `protected TagHandler` | `nextTagHandler`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `AbstractTagHandler()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `characters(String text)` Writes to the inner text of a tag.
    `void` | `characters(String text, boolean encode)` Writes to the inner text of a tag
    `void` | `end(String name)` Writes a tag close
    `protected String` | `findString(String expr)`
    `protected Object` | `findValue(String expr)`
    `protected void` | `processParams()`
    `void` | `setNext(TagHandler next)`
    `void` | `setup(TemplateRenderingContext context)`
    `void` | `start(String name, Attributes a)` Write a tag openening, with its attributes

    - ### Methods inherited from class java.lang.Object

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

- - ### Field Detail

    - #### nextTagHandler

          protected TagHandler nextTagHandler

    - #### context

          protected TemplateRenderingContext context

  - ### Constructor Detail

    - #### AbstractTagHandler

          public AbstractTagHandler()

  - ### Method Detail

    - #### characters

          public void characters(String text)
                          throws IOException

      Description copied from interface: `TagHandler`
      Writes to the inner text of a tag. By default the body is html encoded
      Specified by:
        `characters` in interface `TagHandler`
      Parameters:
        `text` - tag body.
      Throws:
        `IOException`

    - #### characters

          public void characters(String text,
                                 boolean encode)
                          throws IOException

      Description copied from interface: `TagHandler`
      Writes to the inner text of a tag
      Specified by:
        `characters` in interface `TagHandler`
      Parameters:
        `text` - tag body
        `encode` - html encode the body
      Throws:
        `IOException`

    - #### end

          public void end(String name)
                   throws IOException

      Description copied from interface: `TagHandler`
      Writes a tag close
      Specified by:
        `end` in interface `TagHandler`
      Parameters:
        `name` - name of the tag
      Throws:
        `IOException`

    - #### setNext

          public void setNext(TagHandler next)

      Specified by:
        `setNext` in interface `TagHandler`

    - #### start

          public void start(String name,
                            Attributes a)
                     throws IOException

      Description copied from interface: `TagHandler`
      Write a tag openening, with its attributes
      Specified by:
        `start` in interface `TagHandler`
      Parameters:
        `name` - name of the tag
        `a` - attributes of the tag
      Throws:
        `IOException`

    - #### setup

          public void setup(TemplateRenderingContext context)

      Specified by:
        `setup` in interface `TagHandler`

    - #### processParams

          protected void processParams()

    - #### findString

          protected String findString(String expr)

    - #### findValue

          protected Object findValue(String expr)

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