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author | Artur Signell <artur@vaadin.com> | 2012-08-13 18:34:33 +0300 |
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committer | Artur Signell <artur@vaadin.com> | 2012-08-13 19:18:33 +0300 |
commit | e85d933b25cc3c5cc85eb7eb4b13b950fd8e1569 (patch) | |
tree | 9ab6f13f7188cab44bbd979b1cf620f15328a03f /src/com/vaadin/tools/ReflectTools.java | |
parent | 14dd4d0b28c76eb994b181a4570f3adec53342e6 (diff) | |
download | vaadin-framework-e85d933b25cc3c5cc85eb7eb4b13b950fd8e1569.tar.gz vaadin-framework-e85d933b25cc3c5cc85eb7eb4b13b950fd8e1569.zip |
Moved server files to a server src folder (#9299)
Diffstat (limited to 'src/com/vaadin/tools/ReflectTools.java')
-rw-r--r-- | src/com/vaadin/tools/ReflectTools.java | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/src/com/vaadin/tools/ReflectTools.java b/src/com/vaadin/tools/ReflectTools.java deleted file mode 100644 index ea2afae301..0000000000 --- a/src/com/vaadin/tools/ReflectTools.java +++ /dev/null @@ -1,126 +0,0 @@ -/* -@VaadinApache2LicenseForJavaFiles@ - */ -package com.vaadin.tools; - -import java.beans.IntrospectionException; -import java.beans.PropertyDescriptor; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; - -/** - * An util class with helpers for reflection operations. Used internally by - * Vaadin and should not be used by application developers. Subject to change at - * any time. - * - * @since 6.2 - */ -public class ReflectTools { - /** - * Locates the method in the given class. Returns null if the method is not - * found. Throws an ExceptionInInitializerError if there is a problem - * locating the method as this is mainly called from static blocks. - * - * @param cls - * Class that contains the method - * @param methodName - * The name of the method - * @param parameterTypes - * The parameter types for the method. - * @return A reference to the method - * @throws ExceptionInInitializerError - * Wraps any exception in an {@link ExceptionInInitializerError} - * so this method can be called from a static initializer. - */ - public static Method findMethod(Class<?> cls, String methodName, - Class<?>... parameterTypes) throws ExceptionInInitializerError { - try { - return cls.getDeclaredMethod(methodName, parameterTypes); - } catch (Exception e) { - throw new ExceptionInInitializerError(e); - } - } - - /** - * Returns the value of the java field. - * <p> - * Uses getter if present, otherwise tries to access even private fields - * directly. - * - * @param object - * The object containing the field - * @param field - * The field we want to get the value for - * @return The value of the field in the object - * @throws InvocationTargetException - * If the value could not be retrieved - * @throws IllegalAccessException - * If the value could not be retrieved - * @throws IllegalArgumentException - * If the value could not be retrieved - */ - public static Object getJavaFieldValue(Object object, - java.lang.reflect.Field field) throws IllegalArgumentException, - IllegalAccessException, InvocationTargetException { - PropertyDescriptor pd; - try { - pd = new PropertyDescriptor(field.getName(), object.getClass()); - Method getter = pd.getReadMethod(); - if (getter != null) { - return getter.invoke(object, (Object[]) null); - } - } catch (IntrospectionException e1) { - // Ignore this and try to get directly using the field - } - - // Try to get the value or throw an exception - if (!field.isAccessible()) { - // Try to gain access even if field is private - field.setAccessible(true); - } - return field.get(object); - } - - /** - * Sets the value of a java field. - * <p> - * Uses setter if present, otherwise tries to access even private fields - * directly. - * - * @param object - * The object containing the field - * @param field - * The field we want to set the value for - * @param value - * The value to set - * @throws IllegalAccessException - * If the value could not be assigned to the field - * @throws IllegalArgumentException - * If the value could not be assigned to the field - * @throws InvocationTargetException - * If the value could not be assigned to the field - */ - public static void setJavaFieldValue(Object object, - java.lang.reflect.Field field, Object value) - throws IllegalAccessException, IllegalArgumentException, - InvocationTargetException { - PropertyDescriptor pd; - try { - pd = new PropertyDescriptor(field.getName(), object.getClass()); - Method setter = pd.getWriteMethod(); - if (setter != null) { - // Exceptions are thrown forward if this fails - setter.invoke(object, value); - } - } catch (IntrospectionException e1) { - // Ignore this and try to set directly using the field - } - - // Try to set the value directly to the field or throw an exception - if (!field.isAccessible()) { - // Try to gain access even if field is private - field.setAccessible(true); - } - field.set(object, value); - } -} |