de.mhus.lib.core

Class MSystem

java.lang.Object

de.mhus.lib.core.MSystem

public class MSystem
extends Object

Constructor Summary

Constructors

Constructor and Description
MSystem()

Method Summary

Methods

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)
static <A extends Annotation> A	findAnnotation(Class<?> clazz, Class<A> annotation)
static String	findSource(int returns)
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	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 String	toString(Object sender, Object... attributes)

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:

getPid

public static String getPid()

Returns the process id of the current application.

Returns:

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 -

propertyFile -

Returns:

Throws:

IOException

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)

getMainClassName

public static String getMainClassName()

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

Returns:

getTmpDirectory

public static String getTmpDirectory()

Return the system temp directory.

Returns:

toString

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

findAnnotation

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

equals

public static boolean equals(Object a,
             Object b)