Package org.eclipse.jetty.osgi.boot.utils

Class Util

java.lang.Object

org.eclipse.jetty.osgi.boot.utils.Util

public class Util
extends Object

Various useful functions utility methods for OSGi wide use.

Constructor Summary

Constructors

Constructor	Description
Util()

Method Summary

Modifier and Type	Method	Description
static org.osgi.framework.Filter	createFilter(org.osgi.framework.BundleContext bundleContext, String classname, String managedServerName)	Create an osgi filter for the given classname and server name.
static List<URL>	fileNamesAsURLs(String val, String delims)	Treating the string as a separated list of filenames, convert and return the list of urls.
static String	getManifestHeaderValue(String name, String altName, Dictionary<String,String> manifest)	Get the value of a manifest header.
static String	getManifestHeaderValue(String name, Dictionary<String,String> manifest)	Get the value of a manifest header.
static String	resolvePropertyValue(String value)	recursively substitute the ${sysprop} by their actual system property.
static void	setProperty(Dictionary<String,Object> properties, String key, Object value)

Methods inherited from class java.lang.Object

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

Constructor Details

Util

public Util()

Method Details

createFilter

public static org.osgi.framework.Filter createFilter(org.osgi.framework.BundleContext bundleContext,
 String classname,
 String managedServerName)
                                              throws org.osgi.framework.InvalidSyntaxException

Create an osgi filter for the given classname and server name.

Parameters:

bundleContext - the BundleContext instance to use

classname - the class to match on the filter

managedServerName - the name of the jetty server instance

Returns:

a new filter

Throws:

org.osgi.framework.InvalidSyntaxException - If the filter contains an invalid string that cannot be parsed.

getManifestHeaderValue

public static String getManifestHeaderValue(String name,
 String altName,
 Dictionary<String,String> manifest)

Get the value of a manifest header.

Parameters:

name - the name of the header

altName - an alternative name for the header (useful for deprecated names)

manifest - the dictionary

Returns:

the value from the manifest

getManifestHeaderValue

public static String getManifestHeaderValue(String name,
 Dictionary<String,String> manifest)

Get the value of a manifest header.

Parameters:

name - the name of the header

manifest - the dictionary

Returns:

the value from the manifest

fileNamesAsURLs

public static List<URL> fileNamesAsURLs(String val,
 String delims)
                                 throws Exception

Treating the string as a separated list of filenames, convert and return the list of urls.

Parameters:

val - the separated list of filenames

delims - the separators (default is ,;)

Returns:

the list of URLs found in the input list

Throws:

Exception - if unable to convert entry to a URL

setProperty

public static void setProperty(Dictionary<String,Object> properties,
 String key,
 Object value)

resolvePropertyValue

public static String resolvePropertyValue(String value)

recursively substitute the ${sysprop} by their actual system property. ${sysprop,defaultvalue} will use 'defaultvalue' as the value if no sysprop is defined. Not the most efficient code but we are shooting for simplicity and speed of development here.

Parameters:

value - the input string

Returns:

the string with replaced properties