Class ServerAction

  • All Implemented Interfaces:
    java.awt.event.ActionListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, javax.swing.Action

    public class ServerAction
    extends javax.swing.AbstractAction
    An action which will invoke an http POST operation.
    See Also:
    Serialized Form
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private static java.lang.String HEADERS  
      private static java.util.logging.Logger LOG  
      private static java.lang.String PARAMS  
      private static java.lang.String URL  
      private static java.lang.String URL_CACHE  
      • Fields inherited from class javax.swing.AbstractAction

        changeSupport, enabled
      • Fields inherited from interface javax.swing.Action

        ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON
    • Constructor Summary

      Constructors 
      Constructor Description
      ServerAction()  
      ServerAction​(java.lang.String name)  
      ServerAction​(java.lang.String name, java.lang.String command)  
      ServerAction​(java.lang.String name, java.lang.String command, javax.swing.Icon icon)  
      ServerAction​(java.lang.String name, javax.swing.Icon icon)  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void actionPerformed​(java.awt.event.ActionEvent evt)
      Invokes the server operation when the action has been invoked.
      void addHeader​(java.lang.String name, java.lang.String value)
      Adds a name value pair which represents a url connection request property.
      void addParam​(java.lang.String name, java.lang.String value)
      Adds a name value pair which represents a url parameter in an http POST request.
      private java.lang.String createMessage​(int code, java.lang.String msg)
      Creates a human readable message from the server code and message result.
      java.util.Set<java.lang.String> getHeaderNames()
      Return a set of parameter names or null if there are no params
      private java.util.Map<java.lang.String,​java.lang.String> getHeaders()  
      java.lang.String getHeaderValue​(java.lang.String name)
      Return a header value corresponding to name or null if it doesn't exist.
      java.util.Set<java.lang.String> getParamNames()
      Return a set of parameter names or null if there are no params
      private java.util.Map<java.lang.String,​java.lang.String> getParams()  
      java.lang.String getParamValue​(java.lang.String name)
      Return a parameter value corresponding to name or null if it doesn't exist.
      private java.lang.String getPostData()
      Retrieves a string which represents the parameter data for a server action.
      java.lang.String getURL()  
      private void setHeaders​(java.util.Map<java.lang.String,​java.lang.String> headers)  
      private void setParams​(java.util.Map<java.lang.String,​java.lang.String> params)  
      void setURL​(java.lang.String url)
      Set the url for the action.
      • Methods inherited from class javax.swing.AbstractAction

        addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled
      • Methods inherited from class java.lang.Object

        equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
      • Methods inherited from interface javax.swing.Action

        accept
    • Constructor Detail

      • ServerAction

        public ServerAction()
      • ServerAction

        public ServerAction​(java.lang.String name)
      • ServerAction

        public ServerAction​(java.lang.String name,
                            java.lang.String command)
        Parameters:
        name - display name of the action
        command - the value of the action command key
      • ServerAction

        public ServerAction​(java.lang.String name,
                            javax.swing.Icon icon)
      • ServerAction

        public ServerAction​(java.lang.String name,
                            java.lang.String command,
                            javax.swing.Icon icon)
        Parameters:
        name - display name of the action
        command - the value of the action command key
        icon - icon to display
    • Method Detail

      • setURL

        public void setURL​(java.lang.String url)
        Set the url for the action.

        Parameters:
        url - a string representation of the url
      • getURL

        public java.lang.String getURL()
      • getParams

        private java.util.Map<java.lang.String,​java.lang.String> getParams()
      • setParams

        private void setParams​(java.util.Map<java.lang.String,​java.lang.String> params)
      • addParam

        public void addParam​(java.lang.String name,
                             java.lang.String value)
        Adds a name value pair which represents a url parameter in an http POST request.
      • getParamValue

        public java.lang.String getParamValue​(java.lang.String name)
        Return a parameter value corresponding to name or null if it doesn't exist.
      • getParamNames

        public java.util.Set<java.lang.String> getParamNames()
        Return a set of parameter names or null if there are no params
      • getHeaders

        private java.util.Map<java.lang.String,​java.lang.String> getHeaders()
      • setHeaders

        private void setHeaders​(java.util.Map<java.lang.String,​java.lang.String> headers)
      • addHeader

        public void addHeader​(java.lang.String name,
                              java.lang.String value)
        Adds a name value pair which represents a url connection request property. For example, name could be "Content-Type" and the value could be "application/x-www-form-urlencoded"
      • getHeaderValue

        public java.lang.String getHeaderValue​(java.lang.String name)
        Return a header value corresponding to name or null if it doesn't exist.
      • getHeaderNames

        public java.util.Set<java.lang.String> getHeaderNames()
        Return a set of parameter names or null if there are no params
      • actionPerformed

        public void actionPerformed​(java.awt.event.ActionEvent evt)
        Invokes the server operation when the action has been invoked.
      • getPostData

        private java.lang.String getPostData()
        Retrieves a string which represents the parameter data for a server action.
        Returns:
        a string of name value pairs prefixed by a '?' and delimited by an '&'
      • createMessage

        private java.lang.String createMessage​(int code,
                                               java.lang.String msg)
        Creates a human readable message from the server code and message result.
        Parameters:
        code - an http error code.
        msg - server message