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java.lang.Objectorg.apache.myfaces.trinidad.util.ClassLoaderUtils
public class ClassLoaderUtils
Utility methods for accessing classes and resources using an appropriate class loader.
Method Summary | ||
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static java.lang.ClassLoader |
getContextClassLoader()
Dynamically accesses the current context class loader. |
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static java.net.URL |
getResource(java.lang.String name)
Locates the resource with the specified name. |
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static java.net.URL |
getResource(java.lang.String name,
java.lang.ClassLoader callerClassLoader)
Locates the resource with the specified name. |
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static java.io.InputStream |
getResourceAsStream(java.lang.String name)
Locates the stream resource with the specified name. |
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static java.io.InputStream |
getResourceAsStream(java.lang.String name,
java.lang.ClassLoader callerClassLoader)
Locates the resource stream with the specified name. |
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static
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getServices(java.lang.String service)
Instantiate a service from a file in /META-INF/services. |
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static java.lang.Class<?> |
loadClass(java.lang.String name)
Loads the class with the specified name. |
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static java.lang.Class<?> |
loadClass(java.lang.String name,
java.lang.ClassLoader callerClassLoader)
Loads the class with the specified name. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static java.lang.Class<?> loadClass(java.lang.String name) throws java.lang.ClassNotFoundException
name
- the name of the class
Class
object
java.lang.ClassNotFoundException
- if the class was not foundpublic static java.net.URL getResource(java.lang.String name)
name
- the name of the resource
URL
objectpublic static java.io.InputStream getResourceAsStream(java.lang.String name)
name
- the name of the resource
InputStream
objectpublic static java.lang.Class<?> loadClass(java.lang.String name, java.lang.ClassLoader callerClassLoader) throws java.lang.ClassNotFoundException
name
- the name of the classcallerClassLoader
- the calling class loader context
Class
object
java.lang.ClassNotFoundException
- if the class was not foundpublic static java.net.URL getResource(java.lang.String name, java.lang.ClassLoader callerClassLoader)
name
- the name of the resourcecallerClassLoader
- the calling class loader context
URL
objectpublic static java.io.InputStream getResourceAsStream(java.lang.String name, java.lang.ClassLoader callerClassLoader)
name
- the name of the resourcecallerClassLoader
- the calling class loader context
InputStream
objectpublic static java.lang.ClassLoader getContextClassLoader()
public static <T> java.util.List<T> getServices(java.lang.String service)
The following is an excerpt from the JAR File specification: A service provider identifies itself by placing a provider-configuration file in the resource directory META-INF/services. The file's name should consist of the fully-qualified name of the abstract service class. The file should contain a newline-separated list of unique concrete provider-class names. Space and tab characters, as well as blank lines, are ignored. The comment character is '#' (0x23); on each line all characters following the first comment character are ignored. The file must be encoded in UTF-8.
service
- the classname of the abstract service class.
eg: javax.servlet.Filter
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