org.apache.struts2.views.java

## Class Attributes

- java.lang.Object
- - java.util.AbstractMap<K,V>
  - - java.util.HashMap<K,V>
    - - java.util.LinkedHashMap<String,String>
      - - org.apache.struts2.views.java.Attributes

- All Implemented Interfaces:
    Serializable, Cloneable, Map<String,String>

      public class Attributes
      extends LinkedHashMap<String,String>

  Map of tag attributes, used for rendering the tags
  See Also:
    Serialized Form

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class java.util.AbstractMap

      `AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `Attributes()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `Attributes` | `add(String key, String value)`
    `Attributes` | `add(String key, String value, boolean encode)`
    `Attributes` | `addDefaultToEmpty(String attrName, Object paramValue)` Add a key/value pair to the attributes, if the value is null, it will be set as an empty string.
    `Attributes` | `addDefaultToEmpty(String attrName, Object paramValue, boolean encode)` Add a key/value pair to the attributes, if the value is null, it will be set as an empty string.
    `Attributes` | `addIfExists(String attrName, Object paramValue)` Add a key/value pair to the attributes only if the value is not null.
    `Attributes` | `addIfExists(String attrName, Object paramValue, boolean encode)` Add a key/value pair to the attributes only if the value is not null.
    `Attributes` | `addIfTrue(String attrName, Object paramValue)` Add a key/value pair to the attributes only if the value is not null and is a boolean with a value of 'true'.

    - ### Methods inherited from class java.util.LinkedHashMap

      `clear, containsValue, entrySet, forEach, get, getOrDefault, keySet, removeEldestEntry, replaceAll, values`

    - ### Methods inherited from class java.util.HashMap

      `clone, compute, computeIfAbsent, computeIfPresent, containsKey, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size`

    - ### Methods inherited from class java.util.AbstractMap

      `equals, hashCode, toString`

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

      `finalize, getClass, notify, notifyAll, wait, wait, wait`

    - ### Methods inherited from interface java.util.Map

      `compute, computeIfAbsent, computeIfPresent, containsKey, equals, hashCode, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size`

- - ### Constructor Detail

    - #### Attributes

          public Attributes()

  - ### Method Detail

    - #### add

          public Attributes add(String key,
                                String value)

    - #### add

          public Attributes add(String key,
                                String value,
                                boolean encode)

    - #### addIfExists

          public Attributes addIfExists(String attrName,
                                        Object paramValue)

      Add a key/value pair to the attributes only if the value is not null. Value is html encoded
      Parameters:
        `attrName` - attribute name
        `paramValue` - value of attribute
      Returns:
        this

    - #### addIfExists

          public Attributes addIfExists(String attrName,
                                        Object paramValue,
                                        boolean encode)

      Add a key/value pair to the attributes only if the value is not null.
      Parameters:
        `attrName` - attribute name
        `paramValue` - value of attribute
        `encode` - html encode the value
      Returns:
        this

    - #### addIfTrue

          public Attributes addIfTrue(String attrName,
                                      Object paramValue)

      Add a key/value pair to the attributes only if the value is not null and is a boolean with a value of 'true'. Value is html encoded
      Parameters:
        `attrName` - attribute name
        `paramValue` - value of attribute
      Returns:
        this

    - #### addDefaultToEmpty

          public Attributes addDefaultToEmpty(String attrName,
                                              Object paramValue)

      Add a key/value pair to the attributes, if the value is null, it will be set as an empty string. Value is html encoded.
      Parameters:
        `attrName` - attribute name
        `paramValue` - value of attribute
      Returns:
        this

    - #### addDefaultToEmpty

          public Attributes addDefaultToEmpty(String attrName,
                                              Object paramValue,
                                              boolean encode)

      Add a key/value pair to the attributes, if the value is null, it will be set as an empty string.
      Parameters:
        `attrName` - attribute name
        `paramValue` - value of attribute
        `encode` - html encode the value
      Returns:
        this

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