ivaneeo — Thu, 23 Dec 2010 12:37:00 GMT

Apache Pivot + Scala�~�写的一个小应用�Q�日志分�?/a>

package org.apache.pivot.scala.log
import scala.reflect.BeanProperty
import io.Source
import org.apache.pivot.wtk.content.ListViewItemRenderer
import java.lang.String
import org.apache.pivot.wtkx.{WTKX, WTKXSerializer}
/*��Z��避免和scala.Application的名�U�冲�H�，�q�里修改了别�?/
import org.apache.pivot.wtk.{ Application => PivotApplication, _}
import org.apache.pivot.collections.{ArrayList, Map}
/**
* Created by IntelliJ IDEA.
* User: Administrator
* Date: 2010-8-26
* Time: 10:36:45
* To change this template use File | Settings | File Templates.
*/
/*日志记录Bean对象,�׃��Scala标准生成的字�D�不使用getter/setter的格式，
但是提供了注�?nbsp;@scala.reflect.BeanProperty �Q��得编译器可以生成标准的JavaBean对象的getter/setter接口
val 只生成了getter
var 同时生成了getter和setter */
class LogRecord ( @BeanProperty val threadName : String,
@BeanProperty val date : String,
@BeanProperty val time : String,
@BeanProperty val module : String,
@BeanProperty val level : String,
@BeanProperty val content : String){
/*
重蝲�?nbsp;Any�?nbsp;toString接口
override关键字是必须的，在java中��用的是注�?nbsp;@override,但是java中@override�q�不是必��ȝ��?nbsp;
省略�?nbsp;函数�q�回��|��q��译器�q�行�c�d��推演得到
*/
override def toString() = {
threadName +" "+date +" "+ time +" "+module +" "+level+" "+content
}
}
/*
LogRecord �cȝ��半生对象
定义�?nbsp;scala中的��术接口 apply �Q��得可以��?nbsp; LogRecord("sting 文本") 可以创徏一个class LogRecord对象�?nbsp;
apply�Ҏ(gu��)��的调用由�~�译器自动调用，我们只负责定义即�?nbsp;
我们要解析的日志格式
threadName date time module Level content
DVOSMAIN 08/26/10 10:17:17 LOGINFO : INFO - Debug level: 2
DVOSMAIN 08/26/10 10:17:17 LOGINFO : INFO - *=ERROR WARNING EXCEPT
DVOSMAIN 08/26/10 10:17:17 LOGINFO : INFO - LM=*
*/
object LogRecord {
def apply( line : String ) : LogRecord = {
/*生成一�?nbsp;Regex对象�Q�用于模式匹�?/
val logRegex = """([A-Za-z0-9]+) +([0-9/]*) +([0-9:]*) +([A-Z]*) +: *([A-Z_]+).*""".r
line match {
/*如果模式匚w��成功�Q�threadName,date,time,module,level 分配按次序绑定到模式匚w��表达式中()的内�?nbsp;*/
case logRegex(threadName,date,time,module,level) =>
val logRecord: LogRecord = new LogRecord( threadName, date, time, module, level,line)
logRecord
/*模式匚w��通配�W�，在没有匹配到的情况下�Q�做通用处理。如果不��d��Q�在匚w��不到时会(x��)抛出 MatchError异常*/
case _ =>
val logRecord: LogRecord = new LogRecord("N/A","N/A","N/A","N/A","N/A","N/A")
logRecord
}
}
}
/*
Apache Pivot ListView ItemRenderer
重新定义了如何显�C?nbsp;LogRecord对象�?nbsp;列表��目的渲染�?nbsp;
如果使用默认的，那么ListView昄��对象�Ӟ��直接调用对象的toString获得其字�W�串表示
*/
class LogListViewItemRenderer extends ListViewItemRenderer {
imageView.setVisible(false)
override def render(item: AnyRef, index: Int, listView: ListView, selected: Boolean, checked: Boolean, highlighted: Boolean, disabled: Boolean) = {
if ( item != null && item.isInstanceOf[LogRecord])
{
val log = item.asInstanceOf[LogRecord]
label.setText(log.content)
}
}
}
/**
定义�ȝ��口界面代�?必须�l�承�?nbsp;org.apache.pivot.Application
使用�?nbsp;@WTKX注解�Q�该注解属于 wtkx的命名对象的�l�定语法�Q�在从wtkx文�g加蝲GUI�Ӟ��
调用bind接口可以自动和wtkx文�g中声明的wtkx:id对象�q�行�l�定�Q�无需在掉吗中调用 get("name")
*/
class MainWindow extends PivotApplication {
var window : Window = null
@WTKX var textInputFilePath : TextInput = null
@WTKX var browsePushButton : PushButton = null
@WTKX var loadPushButton : PushButton = null
@WTKX var textInputThreadName :TextInput = null
@WTKX var textInputModule : TextInput = null
@WTKX var textInputLevel : TextInput = null
@WTKX var textInputContent : TextInput = null
@WTKX var logListView : ListView = null
def resume = {}
def suspend = {}
def shutdown(optional: Boolean) = {
if ( window != null)
{
window.close
true
}
false
}
def startup(display: Display, properties: Map[String, String]) = {
val wtkxSerializer = new WTKXSerializer()
var matchString : String = null
/*从xml(wtkx)文�g加蝲GUI*/
window = wtkxSerializer.readObject(this,"MainWindow.xml").asInstanceOf[Window]
wtkxSerializer.bind(this)
if ( properties containsKey "logfile")
{
textInputFilePath setText ( properties get "logfile")
}
/*�l?nbsp;Button��d��事�g处理函数*/
browsePushButton.getButtonPressListeners.add( function2Listener (browseButtonPressed ) )
loadPushButton.getButtonPressListeners.add( function2Listener(loadButtonPressed ))
window.open(display)
}
/*��览按钮事�g处理�Q�打开一个文件浏览窗口，让用户选择文�g�Q��ƈ在用户关闭对话框�Ӟ��捕获用户选择的文件名*/
def browseButtonPressed( button : Button ) : Unit = {
val dialog : FileBrowserSheet = new FileBrowserSheet(FileBrowserSheet.Mode.OPEN)
dialog.open( window, new SheetCloseListener() {
def sheetClosed(sheet: Sheet) = {
if ( sheet.getResult)
{
val fileBrowseSheet = sheet.asInstanceOf[FileBrowserSheet]
textInputFilePath.setText( fileBrowseSheet.getSelectedFile.getPath.toString)
}
}
})
}
/*从log文�g加蝲内容�Q�每一行是一个日志记�?nbsp;
for中��用了 if�q��o(h��)器，只有条�g�W�合了，才会(x��)�q�入for循环体�?nbsp;
scala没有提供continu�Q�而是�?nbsp;for中提供了条�g�q��o(h��)来替�?nbsp;
*/
def loadButtonPressed( button : Button ) : Unit = {
val logFile = Source.fromFile(textInputFilePath.getText)
val list = new ArrayList[LogRecord]
for ( line <- logFile.getLines ; logRecord = LogRecord(line.trim);
if ( textInputThreadName.getText == "" || textInputThreadName.getText.contains(logRecord.threadName) );
if ( textInputModule.getText == "" || textInputModule.getText.contains(logRecord.module));
if ( textInputLevel.getText == "" || textInputLevel.getText.contains(logRecord.level))){
list add logRecord
}
logListView.setListData( list)
}
/*按钮事�g辅助接口�Q�用于把一�?nbsp;事�g处理函数转换为ButtonPressListener对象�Q�也可以采取更高�U�的内容�Q��用implicit,�q�里没有使用*/
def function2Listener( fun : Button => Unit ) :ButtonPressListener = {
val listener = new ButtonPressListener()
{
def buttonPressed(button: Button) = {
fun(button)
}
}
listener
}
}
/*
��d��?nbsp;
�W�合Pivot��d��数入口规�?nbsp;
*/
object LogAnalyse {
def main ( args : Array[String]) : Unit = {
DesktopApplicationContext.main( classOf[MainWindow], args)
}
}

package org.apache.pivot.scala.log
import scala.reflect.BeanProperty
import io.Source
import org.apache.pivot.wtk.content.ListViewItemRenderer
import java.lang.String
import org.apache.pivot.wtkx.{WTKX, WTKXSerializer}
/*��Z��避免和scala.Application的名�U�冲�H�，�q�里修改了别�?/
import org.apache.pivot.wtk.{ Application => PivotApplication, _}
import org.apache.pivot.collections.{ArrayList, Map}
/**
* Created by IntelliJ IDEA.
* User: Administrator
* Date: 2010-8-26
* Time: 10:36:45
* To change this template use File | Settings | File Templates.
*/
/*日志记录Bean对象,�׃��Scala标准生成的字�D�不使用getter/setter的格式，
但是提供了注�?@scala.reflect.BeanProperty �Q���得编译器可以生成标准的JavaBean对象的getter/setter接口
val 只生成了getter
var 同时生成了getter和setter */
class LogRecord ( @BeanProperty val threadName : String,
@BeanProperty val date : String,
@BeanProperty val time : String,
@BeanProperty val module : String,
@BeanProperty val level : String,
@BeanProperty val content : String){
/*
重蝲�?Any�?toString接口
override关键字是必须的，在java中��用的是注�?@override,但是java中@override�q�不是必��ȝ���?
省略�?函数�q�回��|����q��译器�q�行�c�d��推演得到
*/
override def toString()  = {
threadName +" "+date +" "+ time +" "+module +" "+level+" "+content
}
}
/*
LogRecord �cȝ��半生对象
定义�?scala中的��术接口 apply �Q���得可以���? LogRecord("sting 文本") 可以创徏一个class LogRecord对象�?
apply�Ҏ(gu��)��的调用由�~�译器自动调用，我们只负责定义即�?
我们要解析的日志格式
threadName date    time     module       Level   content
DVOSMAIN 08/26/10 10:17:17 LOGINFO     : INFO  - Debug level: 2
DVOSMAIN 08/26/10 10:17:17 LOGINFO     : INFO  - *=ERROR WARNING EXCEPT
DVOSMAIN 08/26/10 10:17:17 LOGINFO     : INFO  - LM=*
*/
object LogRecord {
def apply( line : String  ) : LogRecord = {
/*生成一�?Regex对象�Q�用于模式匹�?/
val logRegex = """([A-Za-z0-9]+) +([0-9/]*) +([0-9:]*) +([A-Z]*) +: *([A-Z_]+).*""".r
line match {
/*如果模式匚w��成功�Q�threadName,date,time,module,level 分配按次序绑定到模式匚w��表达式中()的内�?*/
case logRegex(threadName,date,time,module,level) =>
val logRecord: LogRecord = new LogRecord( threadName, date, time, module, level,line)
logRecord
/*模式匚w��通配�W�，在没有匹配到的情况下�Q�做通用处理。如果不��d���Q�在匚w��不到时会(x��)抛出 MatchError异常*/
case _ =>
val logRecord: LogRecord = new LogRecord("N/A","N/A","N/A","N/A","N/A","N/A")
logRecord
}
}
}
/*
Apache Pivot ListView ItemRenderer
重新定义了如何显�C?LogRecord对象�?列表��目的渲染�?
如果使用默认的，那么ListView昄���对象�Ӟ��直接调用对象的toString获得其字�W�串表示
*/
class LogListViewItemRenderer extends ListViewItemRenderer {
imageView.setVisible(false)
override def render(item: AnyRef, index: Int, listView: ListView, selected: Boolean, checked: Boolean, highlighted: Boolean, disabled: Boolean) = {
if ( item != null && item.isInstanceOf[LogRecord])
{
val log = item.asInstanceOf[LogRecord]
label.setText(log.content)
}
}
}
/**
定义�ȝ��口界面代�?必须�l�承�?org.apache.pivot.Application
使用�?@WTKX注解�Q�该注解属于 wtkx的命名对象的�l�定语法�Q�在从wtkx文�g加蝲GUI�Ӟ��
调用bind接口可以自动和wtkx文�g中声明的wtkx:id对象�q�行�l�定�Q�无需在掉吗中调用 get("name")
*/
class MainWindow extends PivotApplication {
var window : Window   = null
@WTKX var textInputFilePath : TextInput  = null
@WTKX var browsePushButton : PushButton  = null
@WTKX var loadPushButton : PushButton   = null
@WTKX var textInputThreadName :TextInput   = null
@WTKX var textInputModule : TextInput    = null
@WTKX var textInputLevel : TextInput    = null
@WTKX var textInputContent : TextInput   = null
@WTKX var logListView : ListView = null
def resume = {}
def suspend = {}
def shutdown(optional: Boolean) = {
if ( window != null)
{
window.close
true
}
false
}
def startup(display: Display, properties: Map[String, String]) = {
val wtkxSerializer = new WTKXSerializer()
var matchString : String = null
/*从xml(wtkx)文�g加蝲GUI*/
window = wtkxSerializer.readObject(this,"MainWindow.xml").asInstanceOf[Window]
wtkxSerializer.bind(this)
if ( properties containsKey "logfile")
{
textInputFilePath setText ( properties get "logfile")
}
/*�l?Button��d��事�g处理函数*/
browsePushButton.getButtonPressListeners.add( function2Listener (browseButtonPressed ) )
loadPushButton.getButtonPressListeners.add( function2Listener(loadButtonPressed ))
window.open(display)
}
/*���览按钮事�g处理�Q�打开一个文件浏览窗口，让用户选择文�g�Q��ƈ在用户关闭对话框�Ӟ��捕获用户选择的文件名*/
def browseButtonPressed( button : Button ) : Unit = {
val dialog : FileBrowserSheet = new   FileBrowserSheet(FileBrowserSheet.Mode.OPEN)
dialog.open( window, new SheetCloseListener() {
def sheetClosed(sheet: Sheet) = {
if ( sheet.getResult)
{
val fileBrowseSheet = sheet.asInstanceOf[FileBrowserSheet]
textInputFilePath.setText( fileBrowseSheet.getSelectedFile.getPath.toString)
}
}
})
}
/*从log文�g加蝲内容�Q�每一行是一个日志记�?
for中��用了 if�q���o(h��)器，只有条�g�W�合了，才会(x��)�q�入for循环体�?
scala没有提供continu�Q�而是�?for中提供了条�g�q���o(h��)来替�?
*/
def loadButtonPressed( button : Button ) : Unit = {
val logFile = Source.fromFile(textInputFilePath.getText)
val list = new ArrayList[LogRecord]
for ( line <- logFile.getLines ; logRecord = LogRecord(line.trim);
if ( textInputThreadName.getText == "" || textInputThreadName.getText.contains(logRecord.threadName) );
if ( textInputModule.getText == "" || textInputModule.getText.contains(logRecord.module));
if ( textInputLevel.getText == "" || textInputLevel.getText.contains(logRecord.level))){
list add logRecord
}
logListView.setListData( list)
}
/*按钮事�g辅助接口�Q�用于把一�?事�g处理函数转换为ButtonPressListener对象�Q�也可以采取更高�U�的内容�Q���用implicit,�q�里没有使用*/
def function2Listener( fun : Button => Unit ) :ButtonPressListener =  {
val listener = new ButtonPressListener()
{
def buttonPressed(button: Button) = {
fun(button)
}
}
listener
}
}
/*
��d���?
�W�合Pivot��d��数入口规�?
*/
object LogAnalyse {
def main ( args : Array[String]) : Unit = {
DesktopApplicationContext.main( classOf[MainWindow], args)
}
}

run�Q?/p>

使用 java�Ӟ��(x��)

java -classpath scala-library.jar;pivot-core-1.5.jar;pivot-tools-1.5.jar;pivot-wtk-1.5.jar;pivot-wtk-terra-1.5.jar;. org.apache.pivot.scala.log.LogAnalyse

使用 scala�?/p>

java -classpath pivot-core-1.5.jar;pivot-tools-1.5.jar;pivot-wtk-1.5.jar;pivot-wtk-terra-1.5.jar;. org.apache.pivot.scala.log.LogAnalyse

ivaneeo 2010-12-23 20:37 发表评论

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Interop Between Java and Scala

Unit意义

Apache Pivot + Scala�~�写的一个小应用�Q�日志分�?/a>