de.mhus.lib.core

Class MSystem

java.lang.Object

de.mhus.lib.core.MSystem

public class MSystem
extends Object

MSystem class.

Version:

$Id: $Id

Author:

mikehummel

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MSystem.ScriptResult

Constructor Summary

Constructors

Constructor and Description
MSystem()

Method Summary

Modifier and Type	Method and Description
static void	beep() makeshift system beep if awt.Toolkit.beep is not available.
static boolean	equals(Object a, Object b) equals.
static <A extends Annotation> A	findAnnotation(Class<?> clazz, Class<A> annotation) findAnnotation.
static String	findSource(int returns) findSource.
static String	getAppIdent() getAppIdent.
static String	getClassName(Object obj) getClassName.
static String	getHostname() Returns the name of the current system.
static String	getMainClassName() Return the name of the main class or null if not found.
static String	getObjectId(Object o) getObjectId.
static String	getPid() Returns the process id of the current application.
static String	getTmpDirectory() Return the system temp directory.
static Properties	loadProperties(Object owner, Properties properties, String propertyFile) Load and return a properties file.
static URL	locateResource(Object owner, String propertyFile) 1.
static MSystem.ScriptResult	startScript(File dir, String script, long timeout) startScript.
static String	toString(Object sender, Object... attributes) toString.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MSystem

public MSystem()

Method Detail

getHostname

public static String getHostname()

Returns the name of the current system. COMPUTERNAME or HOSTNAME.

Returns:

a String object.

getPid

public static String getPid()

Returns the process id of the current application.

Returns:

a String object.

loadProperties

public static Properties loadProperties(Object owner,
                                        Properties properties,
                                        String propertyFile)

Load and return a properties file. If the file not exists it will only log the impact and return a empty properties object. If the properties object is not null this instance will be used to load the file entries. 1. Find by system property {propertyname}.file= 2. Find in {current dir} 3. Find in {current dir}/config 4. Find in {CONFIGURATION}/config 5. Find in classpath without package name 6. Find in classpath with package of the owner (if set) 7. throw an error

Parameters:

owner - null or reference object for the class path

properties - A pre-instanciated properties object

propertyFile - Name of the properties file, e.g. something.properties

Returns:

The loaded properties instance

locateResource

public static URL locateResource(Object owner,
                                 String propertyFile)
                          throws IOException

1. Find by system property {propertyname}.file= 2. Find in {current dir} 3. Find in {current dir}/config 4. Find in {CONFIGURATION}/config 5. Find in classpath without package name 6. Find in classpath with package of the owner (if set) 7. throw an error

Parameters:

owner - a Object object.

propertyFile - a String object.

Returns:

a URL object.

Throws:

IOException - if any.

beep

public static void beep()

makeshift system beep if awt.Toolkit.beep is not available. Works also in JDK 1.02.

findSource

public static String findSource(int returns)

findSource.

Parameters:

returns - a int.

Returns:

a String object.

getMainClassName

public static String getMainClassName()

Return the name of the main class or null if not found.

Returns:

a String object.

getTmpDirectory

public static String getTmpDirectory()

Return the system temp directory.

Returns:

a String object.

toString

public static String toString(Object sender,
                              Object... attributes)

toString.

Parameters:

sender - a Object object.

attributes - a Object object.

Returns:

a String object.

findAnnotation

public static <A extends Annotation> A findAnnotation(Class<?> clazz,
                                                      Class<A> annotation)

findAnnotation.

Type Parameters:

A - a A object.

Parameters:

clazz - a Class object.

annotation - a Class object.

Returns:

a A object.

equals

public static boolean equals(Object a,
                             Object b)

equals.

Parameters:

a - a Object object.

b - a Object object.

Returns:

a boolean.

startScript

public static MSystem.ScriptResult startScript(File dir,
                                               String script,
                                               long timeout)

startScript.

Parameters:

dir - a File object.

script - a String object.

timeout - a long.

Returns:

a MSystem.ScriptResult object.

getAppIdent

public static String getAppIdent()

getAppIdent.

Returns:

a String object.

Since:

3.2.9

getObjectId

public static String getObjectId(Object o)

getObjectId.

Parameters:

o - a Object object.

Returns:

a String object.

Since:

3.2.9

getClassName

public static String getClassName(Object obj)

getClassName.

Parameters:

obj - a Object object.

Returns:

a String object.

Since:

3.2.9