org.apache.jmeter
Class URLSampler

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--javax.swing.JLabel
                          |
                          +--org.apache.jmeter.URLSampler

class URLSampler
extends javax.swing.JLabel
implements java.lang.Runnable

This class implements the runnable inteface to provide the action that sampling threads should perform to sample URL resources. It also extends JLabel to visually inform about its status.

Version:
$Revision: 1.2 $ $Date: 1998/12/14 00:52:04 $
Author:
Stefano Mazzocchi
See Also:
Serialized Form

Inner classes inherited from class javax.swing.JLabel
javax.swing.JLabel.AccessibleJLabel
 
Inner classes inherited from class javax.swing.JComponent
javax.swing.JComponent.AccessibleJComponent, javax.swing.JComponent.IntVector, javax.swing.JComponent.KeyboardBinding, javax.swing.JComponent.KeyboardState
 
Inner classes inherited from class java.awt.Component
java.awt.Component.AWTTreeLock
 
Field Summary
private  boolean alive
           
private  java.lang.String query
           
private  Timer timer
           
private  java.net.URL url
           
private  Visualiser visualiser
           
 
Fields inherited from class javax.swing.JLabel
defaultIcon, disabledIcon, disabledIconSet, horizontalAlignment, horizontalTextPosition, iconTextGap, LABELED_BY_PROPERTY, labelFor, mnemonic, text, uiClassID, verticalAlignment, verticalTextPosition
 
Fields inherited from class javax.swing.JComponent
_bounds, accessibleContext, alignmentX, alignmentY, ANCESTOR_USING_BUFFER, ancestorNotifier, autoscroller, border, changeSupport, clientProperties, flags, HAS_FOCUS, IS_DOUBLE_BUFFERED, IS_OPAQUE, IS_PAINTING_TILE, KEYBOARD_BINDINGS_KEY, listenerList, maximumSize, minimumSize, NEXT_FOCUS, paintImmediatelyClip, preferredSize, readObjectCallbacks, REQUEST_FOCUS_DISABLED, tmpRect, TOOL_TIP_TEXT_KEY, ui, uiClassID, UNDEFINED_CONDITION, vetoableChangeSupport, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW
 
Fields inherited from class java.awt.Container
component, containerListener, containerSerializedDataVersion, dispatcher, layoutMgr, maxSize, ncomponents, serialVersionUID
 
Fields inherited from class java.awt.Component
actionListenerK, adjustmentListenerK, appContext, assert, background, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, changeSupport, componentListener, componentListenerK, componentOrientation, componentSerializedDataVersion, containerListenerK, cursor, dropTarget, enabled, eventMask, focusListener, focusListenerK, font, foreground, hasFocus, height, incRate, inputMethodListener, inputMethodListenerK, isInc, isPacked, itemListenerK, keyListener, keyListenerK, LEFT_ALIGNMENT, locale, LOCK, minSize, mouseListener, mouseListenerK, mouseMotionListener, mouseMotionListenerK, name, nameExplicitlySet, newEventsOnly, ownedWindowK, parent, peer, peerFont, popups, prefSize, RIGHT_ALIGNMENT, serialVersionUID, textListenerK, TOP_ALIGNMENT, valid, visible, width, windowListenerK, x, y
 
Constructor Summary
URLSampler(javax.swing.ImageIcon icon)
           
 
Method Summary
 void die()
          Causes this thread to die after finishing its current sample.
static void error(java.lang.Exception e, javax.swing.JComponent thrower)
          Method used to signal an Exception to the user.
 void run()
          Sampling loop and thread execution.
private  long sample()
          URL Sampling routine.
 void set(Visualiser visualiser)
          Set the visualiser that currently collects samples
 void set(Visualiser visualiser, Timer timer, java.net.URL url, java.lang.String query)
          Initialize the sampler.
static java.net.URL tryURL(java.lang.String urlName, java.lang.String query)
          Used to try URL access before starting with sampling loop.
 
Methods inherited from class javax.swing.JLabel
checkHorizontalKey, checkVerticalKey, getAccessibleContext, getDisabledIcon, getDisplayedMnemonic, getHorizontalAlignment, getHorizontalTextPosition, getIcon, getIconTextGap, getLabelFor, getText, getUI, getUIClassID, getVerticalAlignment, getVerticalTextPosition, paramString, setDisabledIcon, setDisplayedMnemonic, setDisplayedMnemonic, setHorizontalAlignment, setHorizontalTextPosition, setIcon, setIconTextGap, setLabelFor, setText, setUI, setVerticalAlignment, setVerticalTextPosition, updateUI, writeObject
 
Methods inherited from class javax.swing.JComponent
_paintImmediately, , addAncestorListener, addNotify, addPropertyChangeListener, addVetoableChangeListener, adjustPaintFlags, alwaysOnTop, bindingForKeyStroke, computeVisibleRect, computeVisibleRect, contains, createToolTip, enableSerialization, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getAlignmentX, getAlignmentY, getAutoscrolls, getBorder, getBounds, getClientProperties, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getFlag, getGraphics, getHeight, getInsets, getInsets, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getVisibleRect, getWidth, getX, getY, grabFocus, hasFocus, isDoubleBuffered, isFocusCycleRoot, isFocusTraversable, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isRequestFocusEnabled, isValidateRoot, keyboardBindings, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, paintWithBuffer, processComponentKeyEvent, processFocusEvent, processKeyBinding, processKeyBindings, processKeyBindingsForAllComponents, processKeyEvent, processMouseMotionEvent, putClientProperty, readObject, rectangleIsObscured, registerKeyboardAction, registerKeyboardAction, registerWithKeyboardManager, removeAncestorListener, removeNotify, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDoubleBuffered, setEnabled, setFlag, setFont, setForeground, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setUI, setVisible, shouldDebugGraphics, superProcessMouseMotionEvent, unregisterKeyboardAction, unregisterWithKeyboardManager, update
 
Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, addImpl, applyOrientation, countComponents, deliverEvent, dispatchEventImpl, dispatchEventToSelf, doLayout, eventEnabled, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents_NoClientCode, getComponents, getLayout, getMouseEventTarget, getWindow, initIDs, insets, invalidate, invalidateTree, isAncestorOf, layout, lightweightPrint, list, list, locate, minimumSize, nextFocus, paintComponents, postProcessKeyEvent, postsOldMouseEvents, preferredSize, preProcessKeyEvent, print, printComponents, printOneComponent, processContainerEvent, processEvent, proxyEnableEvents, proxyRequestFocus, remove, remove, removeAll, removeContainerListener, setFocusOwner, setLayout, transferFocus, validate, validateTree
 
Methods inherited from class java.awt.Component
action, add, addComponentListener, addFocusListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, areInputMethodsEnabled, bounds, checkImage, checkImage, coalesceEvents, constructComponentName, contains, createImage, createImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont_NoClientCode, getFont, getFontMetrics, getForeground, getInputContext, getInputMethodRequests, getLocale, getLocation, getLocationOnScreen, getName, getNativeContainer, getParent_NoClientCode, getParent, getPeer, getSize, getToolkit, getToolkitImpl, getTreeLock, getWindowForObject, gotFocus, handleEvent, hide, imageUpdate, inside, isDisplayable, isEnabled, isEnabledImpl, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processInputMethodEvent, processMouseEvent, remove, removeComponentListener, removeFocusListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, wait, wait, wait
 

Field Detail

url

private java.net.URL url

query

private java.lang.String query

alive

private boolean alive

timer

private Timer timer

visualiser

private Visualiser visualiser
Constructor Detail

URLSampler

public URLSampler(javax.swing.ImageIcon icon)
Method Detail

set

public void set(Visualiser visualiser)
Set the visualiser that currently collects samples

set

public void set(Visualiser visualiser,
                Timer timer,
                java.net.URL url,
                java.lang.String query)
Initialize the sampler.

tryURL

public static java.net.URL tryURL(java.lang.String urlName,
                                  java.lang.String query)
                           throws java.lang.Exception
Used to try URL access before starting with sampling loop.

run

public void run()
Sampling loop and thread execution.
Specified by:
run in interface java.lang.Runnable

die

public void die()
Causes this thread to die after finishing its current sample.

sample

private long sample()
             throws java.io.IOException
URL Sampling routine.

error

public static void error(java.lang.Exception e,
                         javax.swing.JComponent thrower)
Method used to signal an Exception to the user.

Copyright (c) 1998 The Java Apache Project