org.atmosphere.util

Class IntrospectionUtils

java.lang.Object

org.atmosphere.util.IntrospectionUtils

public final class IntrospectionUtils
extends java.lang.Object

Utils for introspection and reflection

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	IntrospectionUtils.AttributeHolder
static interface	IntrospectionUtils.PropertySource

Constructor Summary

Constructors

Constructor and Description
IntrospectionUtils()

Method Summary

Modifier and Type	Method and Description
static void	addJarsFromClassPath(java.util.Vector<java.net.URL> jars, java.lang.String cp) Add elements from the classpath cp to a Vector jars as file URLs (We use Vector for JDK 1.1 compat).
static boolean	addProperty(java.lang.Object o, java.lang.String name, java.lang.String value)
static void	addToClassPath(java.util.Vector<java.net.URL> cpV, java.lang.String dir) Add all the jar files in a dir to the classpath, represented as a Vector of URLs.
static void	addToolsJar(java.util.Vector<java.net.URL> v)
static void	callMain(java.lang.Class<?> c, java.lang.String[] args)
static java.lang.Object	callMethod0(java.lang.Object target, java.lang.String methodN)
static java.lang.Object	callMethod1(java.lang.Object target, java.lang.String methodN, java.lang.Object param1, java.lang.String typeParam1, java.lang.ClassLoader cl)
static java.lang.Object	callMethodN(java.lang.Object target, java.lang.String methodN, java.lang.Object[] params, java.lang.Class<?>[] typeParams)
static java.lang.String	capitalize(java.lang.String name) Reverse of Introspector.decapitalize
static void	clear()
static java.lang.Object	convert(java.lang.String object, java.lang.Class<?> paramType)
static void	execute(java.lang.Object proxy, java.lang.String method) Call execute() - any ant-like task should work
static java.lang.String[]	findBooleanSetters(java.lang.Class<?> c)
static java.lang.reflect.Method	findMethod(java.lang.Class<?> c, java.lang.String name, java.lang.Class<?>[] params)
static java.lang.reflect.Method[]	findMethods(java.lang.Class<?> c)
static java.lang.String[]	findVoidSetters(java.lang.Class<?> c)
static java.lang.Object	getAttribute(java.lang.Object proxy, java.lang.String name) Call void getAttribute( String )
static java.net.URL[]	getClassPath(java.lang.String dir, java.lang.String cpath, java.lang.String cpathProp, boolean addTools) Construct a URL classpath from files in a directory, a cpath property, and tools.jar.
static java.net.URL[]	getClassPath(java.util.Vector<java.net.URL> v) Return a URL[] that can be used to construct a class loader
static java.lang.String[]	getFilesByExt(java.lang.String ld, java.lang.String ext) Return all files with a given extension in a dir
static java.lang.Object	getProperty(java.lang.Object object, java.lang.String name)
static java.net.URL	getURL(java.lang.String base, java.lang.String file) Construct a file url from a file, using a base dir
static boolean	hasHook(java.lang.Object obj, java.lang.String methodN) Test if the object implements a particular method
static boolean	invokeProperty(java.lang.Object object, java.lang.String setter, java.lang.String name, java.lang.String value)
static boolean	processArgs(java.lang.Object proxy, java.lang.String[] args)
static boolean	processArgs(java.lang.Object proxy, java.lang.String[] args, java.lang.String[] args0, java.lang.String[] args1, java.util.Hashtable<java.lang.String,java.lang.String> aliases)
static java.lang.String	replaceProperties(java.lang.String value, java.util.Hashtable<java.lang.String,java.lang.String> staticProp, IntrospectionUtils.PropertySource[] dynamicProp) Replace ${NAME} with the property value
static void	setAttribute(java.lang.Object proxy, java.lang.String name, java.lang.Object value) Call void setAttribute( String ,Object )
static void	setProperty(java.lang.Object object, java.lang.String name)
static boolean	setProperty(java.lang.Object o, java.lang.String name, java.lang.String value) Find a method with the right name If found, call the method ( if param is int or boolean we'll convert value to the right type before) - that means you can have setDebug(1).
static java.lang.String	unCapitalize(java.lang.String name)

Methods inherited from class java.lang.Object

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

Constructor Detail

IntrospectionUtils

public IntrospectionUtils()

Method Detail

execute

public static void execute(java.lang.Object proxy,
                           java.lang.String method)
                    throws java.lang.Exception

Call execute() - any ant-like task should work

Throws:

java.lang.Exception

setAttribute

public static void setAttribute(java.lang.Object proxy,
                                java.lang.String name,
                                java.lang.Object value)
                         throws java.lang.Exception

Call void setAttribute( String ,Object )

Throws:

java.lang.Exception

getAttribute

public static java.lang.Object getAttribute(java.lang.Object proxy,
                                            java.lang.String name)
                                     throws java.lang.Exception

Call void getAttribute( String )

Throws:

java.lang.Exception

setProperty

public static final boolean setProperty(java.lang.Object o,
                                        java.lang.String name,
                                        java.lang.String value)

Find a method with the right name If found, call the method ( if param is int or boolean we'll convert value to the right type before) - that means you can have setDebug(1).

addProperty

public static final boolean addProperty(java.lang.Object o,
                                        java.lang.String name,
                                        java.lang.String value)

invokeProperty

public static final boolean invokeProperty(java.lang.Object object,
                                           java.lang.String setter,
                                           java.lang.String name,
                                           java.lang.String value)

getProperty

public static java.lang.Object getProperty(java.lang.Object object,
                                           java.lang.String name)

setProperty

public static void setProperty(java.lang.Object object,
                               java.lang.String name)

replaceProperties

public static java.lang.String replaceProperties(java.lang.String value,
                                                 java.util.Hashtable<java.lang.String,java.lang.String> staticProp,
                                                 IntrospectionUtils.PropertySource[] dynamicProp)

Replace ${NAME} with the property value

capitalize

public static java.lang.String capitalize(java.lang.String name)

Reverse of Introspector.decapitalize

unCapitalize

public static java.lang.String unCapitalize(java.lang.String name)

addToClassPath

public static void addToClassPath(java.util.Vector<java.net.URL> cpV,
                                  java.lang.String dir)

Add all the jar files in a dir to the classpath, represented as a Vector of URLs.

addToolsJar

public static void addToolsJar(java.util.Vector<java.net.URL> v)

getFilesByExt

public static java.lang.String[] getFilesByExt(java.lang.String ld,
                                               java.lang.String ext)

Return all files with a given extension in a dir

getURL

public static java.net.URL getURL(java.lang.String base,
                                  java.lang.String file)

Construct a file url from a file, using a base dir

addJarsFromClassPath

public static void addJarsFromClassPath(java.util.Vector<java.net.URL> jars,
                                        java.lang.String cp)
                                 throws java.io.IOException,
                                        java.net.MalformedURLException

Add elements from the classpath cp to a Vector jars as file URLs (We use Vector for JDK 1.1 compat).

Parameters:

jars - The jar list

cp - a String classpath of directory or jar file elements separated by path.separator delimiters.

Throws:

java.io.IOException - If an I/O error occurs

java.net.MalformedURLException - Doh ;)

getClassPath

public static java.net.URL[] getClassPath(java.util.Vector<java.net.URL> v)

Return a URL[] that can be used to construct a class loader

getClassPath

public static java.net.URL[] getClassPath(java.lang.String dir,
                                          java.lang.String cpath,
                                          java.lang.String cpathProp,
                                          boolean addTools)
                                   throws java.io.IOException,
                                          java.net.MalformedURLException

Construct a URL classpath from files in a directory, a cpath property, and tools.jar.

Throws:

java.io.IOException

java.net.MalformedURLException

processArgs

public static boolean processArgs(java.lang.Object proxy,
                                  java.lang.String[] args)
                           throws java.lang.Exception

Throws:

java.lang.Exception

processArgs

public static boolean processArgs(java.lang.Object proxy,
                                  java.lang.String[] args,
                                  java.lang.String[] args0,
                                  java.lang.String[] args1,
                                  java.util.Hashtable<java.lang.String,java.lang.String> aliases)
                           throws java.lang.Exception

Throws:

java.lang.Exception

clear

public static void clear()

findVoidSetters

public static java.lang.String[] findVoidSetters(java.lang.Class<?> c)

findBooleanSetters

public static java.lang.String[] findBooleanSetters(java.lang.Class<?> c)

findMethods

public static java.lang.reflect.Method[] findMethods(java.lang.Class<?> c)

findMethod

public static java.lang.reflect.Method findMethod(java.lang.Class<?> c,
                                                  java.lang.String name,
                                                  java.lang.Class<?>[] params)

hasHook

public static boolean hasHook(java.lang.Object obj,
                              java.lang.String methodN)

Test if the object implements a particular method

callMain

public static void callMain(java.lang.Class<?> c,
                            java.lang.String[] args)
                     throws java.lang.Exception

Throws:

java.lang.Exception

callMethod1

public static java.lang.Object callMethod1(java.lang.Object target,
                                           java.lang.String methodN,
                                           java.lang.Object param1,
                                           java.lang.String typeParam1,
                                           java.lang.ClassLoader cl)
                                    throws java.lang.Exception

Throws:

java.lang.Exception

callMethod0

public static java.lang.Object callMethod0(java.lang.Object target,
                                           java.lang.String methodN)
                                    throws java.lang.Exception

Throws:

java.lang.Exception

callMethodN

public static java.lang.Object callMethodN(java.lang.Object target,
                                           java.lang.String methodN,
                                           java.lang.Object[] params,
                                           java.lang.Class<?>[] typeParams)
                                    throws java.lang.Exception

Throws:

java.lang.Exception

convert

public static java.lang.Object convert(java.lang.String object,
                                       java.lang.Class<?> paramType)