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author | Teemu Suo-Anttila <teemusa@vaadin.com> | 2016-03-10 22:40:51 +0200 |
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committer | Teemu Suo-Anttila <teemusa@vaadin.com> | 2016-03-14 07:59:12 +0200 |
commit | a6653d3fe49e6a97468ac09f7f2f4d621bea1078 (patch) | |
tree | 96c82e20ca6551ee4c14c8877f0258b25c63cddf /server/src/com/vaadin/util/ReflectTools.java | |
parent | f7e57d77ce621ee39167369c31d989edc5633266 (diff) | |
download | vaadin-framework-a6653d3fe49e6a97468ac09f7f2f4d621bea1078.tar.gz vaadin-framework-a6653d3fe49e6a97468ac09f7f2f4d621bea1078.zip |
Migrate vaadin-server build to maven
Change-Id: I5c740f4e9cb28103bab199f9a552153d82277e7e
Diffstat (limited to 'server/src/com/vaadin/util/ReflectTools.java')
-rw-r--r-- | server/src/com/vaadin/util/ReflectTools.java | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/server/src/com/vaadin/util/ReflectTools.java b/server/src/com/vaadin/util/ReflectTools.java deleted file mode 100644 index 2e2d3fe238..0000000000 --- a/server/src/com/vaadin/util/ReflectTools.java +++ /dev/null @@ -1,216 +0,0 @@ -/* - * Copyright 2000-2014 Vaadin Ltd. - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may not - * use this file except in compliance with the License. You may obtain a copy of - * the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT - * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the - * License for the specific language governing permissions and limitations under - * the License. - */ -package com.vaadin.util; - -import java.beans.IntrospectionException; -import java.beans.PropertyDescriptor; -import java.io.Serializable; -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 implements Serializable { - /** - * 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); - } - - /** - * Returns the value of the java field that is assignable to the property - * type. - * <p> - * Uses getter if a getter for the correct return type is present, otherwise - * tries to access even private fields directly. If the java field is not - * assignable to the property type throws an IllegalArgumentException. - * - * @param object - * The object containing the field - * @param field - * The field we want to get the value for - * @param propertyType - * The type the field must be assignable to - * @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, Class<?> propertyType) - throws IllegalArgumentException, IllegalAccessException, - InvocationTargetException { - PropertyDescriptor pd; - try { - pd = new PropertyDescriptor(field.getName(), object.getClass()); - if (propertyType.isAssignableFrom(pd.getPropertyType())) { - 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 - } - // If the field's type cannot be casted in to the requested type - if (!propertyType.isAssignableFrom(field.getType())) { - throw new IllegalArgumentException(); - } - // 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); - } - - /** - * @since 7.4 - */ - public static Class<?> convertPrimitiveType(Class<?> type) { - // Gets the return type from get method - if (type.isPrimitive()) { - if (type.equals(Boolean.TYPE)) { - type = Boolean.class; - } else if (type.equals(Integer.TYPE)) { - type = Integer.class; - } else if (type.equals(Float.TYPE)) { - type = Float.class; - } else if (type.equals(Double.TYPE)) { - type = Double.class; - } else if (type.equals(Byte.TYPE)) { - type = Byte.class; - } else if (type.equals(Character.TYPE)) { - type = Character.class; - } else if (type.equals(Short.TYPE)) { - type = Short.class; - } else if (type.equals(Long.TYPE)) { - type = Long.class; - } - } - return type; - } -} |