Java Doc for ReflectUtil.java in  » Build » ANT » org » apache » tools » ant » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Build » ANT » org.apache.tools.ant.util   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.tools.ant.util.ReflectUtil ReflectUtil public class ReflectUtil (Code) Utility class to handle reflection on java objects. The class contains static methods to call reflection methods, catch any exceptions, converting them to BuildExceptions. Method Summary public static  Object getField(Object obj, String fieldName)      Get the value of a field in an object. Parameters:   obj - the object to look at. Parameters:   fieldName - the name of the field in the object. public static  Object invoke(Object obj, String methodName)      Call a method on the object with no parameters. public static  Object invoke(Object obj, String methodName, Class argType, Object arg)      Call a method on the object with one argument. Parameters:   obj - the object to invoke the method on. Parameters:   methodName - the name of the method to call Parameters:   argType - the type of argument. Parameters:   arg - the value of the argument. public static  Object invoke(Object obj, String methodName, Class argType1, Object arg1, Class argType2, Object arg2)      Call a method on the object with two argument. Parameters:   obj - the object to invoke the method on. Parameters:   methodName - the name of the method to call Parameters:   argType1 - the type of the first argument. Parameters:   arg1 - the value of the first argument. Parameters:   argType2 - the type of the second argument. Parameters:   arg2 - the value of the second argument. public static  void throwBuildException(Exception t)      A method to convert an invocationTargetException to a buildexception and throw it. Method Detail getField public static Object getField(Object obj, String fieldName) throws BuildException(Code) Get the value of a field in an object. Parameters:   obj - the object to look at. Parameters:   fieldName - the name of the field in the object. the value of the field. throws:   BuildException - if there is an error. invoke public static Object invoke(Object obj, String methodName)(Code) Call a method on the object with no parameters. Parameters:   obj - the object to invoke the method on. Parameters:   methodName - the name of the method to call the object returned by the method invoke public static Object invoke(Object obj, String methodName, Class argType, Object arg)(Code) Call a method on the object with one argument. Parameters:   obj - the object to invoke the method on. Parameters:   methodName - the name of the method to call Parameters:   argType - the type of argument. Parameters:   arg - the value of the argument. the object returned by the method invoke public static Object invoke(Object obj, String methodName, Class argType1, Object arg1, Class argType2, Object arg2)(Code) Call a method on the object with two argument. Parameters:   obj - the object to invoke the method on. Parameters:   methodName - the name of the method to call Parameters:   argType1 - the type of the first argument. Parameters:   arg1 - the value of the first argument. Parameters:   argType2 - the type of the second argument. Parameters:   arg2 - the value of the second argument. the object returned by the method throwBuildException public static void throwBuildException(Exception t) throws BuildException(Code) A method to convert an invocationTargetException to a buildexception and throw it. Parameters:   t - the invocation target exception. throws:   BuildException - the converted exception. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)