public String[] attributeNames() 
{
		Set attributeNames = this.attributes.keySet();
		return (String[]) attributeNames.toArray(new String[attributeNames.size()]);
}

 protected  void copyAttributesFrom(AttributeAccessor source) 
{
		Assert.notNull(source, "Source must not be null");
		String[] attributeNames = source.attributeNames();
		for (int i = 0; i <  attributeNames.length; i++) {
			String attributeName = attributeNames[i];
			setAttribute(attributeName, source.getAttribute(attributeName));
		}
}

Copy the attributes from the supplied AttributeAccessor to this accessor.

 public boolean equals(Object other) 
{
		if (this == other) {
			return true;
		}
		if (!(other instanceof AttributeAccessorSupport)) {
			return false;
		}
		AttributeAccessorSupport that = (AttributeAccessorSupport) other;
		return this.attributes.equals(that.attributes);
}

 public Object getAttribute(String name) 
{
		Assert.notNull(name, "Name must not be null");
		return this.attributes.get(name);
}

 public boolean hasAttribute(String name) 
{
		Assert.notNull(name, "Name must not be null");
		return this.attributes.containsKey(name);
}

 public int hashCode() 
{
		return this.attributes.hashCode();
}

 public Object removeAttribute(String name) 
{
		Assert.notNull(name, "Name must not be null");
		return this.attributes.remove(name);
}

 public  void setAttribute(String name,
    Object value) 
{
	      
		Assert.notNull(name, "Name must not be null");
		if (value != null) {
			this.attributes.put(name, value);
		}
		else {
			removeAttribute(name);
		}
}