Mercurial Hosting > luan
changeset 839:b8d717b228c6
remove IntrospectionUtil
author | Franklin Schmidt <fschmidt@gmail.com> |
---|---|
date | Fri, 16 Sep 2016 13:32:45 -0600 |
parents | 3afa8da69187 |
children | 0f53601ea489 |
files | src/org/eclipse/jetty/util/IntrospectionUtil.java |
diffstat | 1 files changed, 0 insertions(+), 300 deletions(-) [+] |
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--- a/src/org/eclipse/jetty/util/IntrospectionUtil.java Fri Sep 16 13:24:20 2016 -0600 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,300 +0,0 @@ -// -// ======================================================================== -// Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. -// ------------------------------------------------------------------------ -// All rights reserved. This program and the accompanying materials -// are made available under the terms of the Eclipse Public License v1.0 -// and Apache License v2.0 which accompanies this distribution. -// -// The Eclipse Public License is available at -// http://www.eclipse.org/legal/epl-v10.html -// -// The Apache License v2.0 is available at -// http://www.opensource.org/licenses/apache2.0.php -// -// You may elect to redistribute this code under either of these licenses. -// ======================================================================== -// - -package org.eclipse.jetty.util; - -import java.lang.reflect.Field; -import java.lang.reflect.Member; -import java.lang.reflect.Method; -import java.lang.reflect.Modifier; -import java.util.Arrays; -import java.util.List; - -/** - * IntrospectionUtil - * - * - */ -public class IntrospectionUtil -{ - - public static boolean isJavaBeanCompliantSetter (Method method) - { - if (method == null) - return false; - - if (method.getReturnType() != Void.TYPE) - return false; - - if (!method.getName().startsWith("set")) - return false; - - if (method.getParameterTypes().length != 1) - return false; - - return true; - } - - public static Method findMethod (Class<?> clazz, String methodName, Class<?>[] args, boolean checkInheritance, boolean strictArgs) - throws NoSuchMethodException - { - if (clazz == null) - throw new NoSuchMethodException("No class"); - if (methodName==null || methodName.trim().equals("")) - throw new NoSuchMethodException("No method name"); - - Method method = null; - Method[] methods = clazz.getDeclaredMethods(); - for (int i=0;i<methods.length && method==null;i++) - { - if (methods[i].getName().equals(methodName) && checkParams(methods[i].getParameterTypes(), (args==null?new Class[] {}:args), strictArgs)) - { - method = methods[i]; - } - - } - if (method!=null) - { - return method; - } - else if (checkInheritance) - return findInheritedMethod(clazz.getPackage(), clazz.getSuperclass(), methodName, args, strictArgs); - else - throw new NoSuchMethodException("No such method "+methodName+" on class "+clazz.getName()); - - } - - - - - - public static Field findField (Class<?> clazz, String targetName, Class<?> targetType, boolean checkInheritance, boolean strictType) - throws NoSuchFieldException - { - if (clazz == null) - throw new NoSuchFieldException("No class"); - if (targetName==null) - throw new NoSuchFieldException("No field name"); - - try - { - Field field = clazz.getDeclaredField(targetName); - if (strictType) - { - if (field.getType().equals(targetType)) - return field; - } - else - { - if (field.getType().isAssignableFrom(targetType)) - return field; - } - if (checkInheritance) - { - return findInheritedField(clazz.getPackage(), clazz.getSuperclass(), targetName, targetType, strictType); - } - else - throw new NoSuchFieldException("No field with name "+targetName+" in class "+clazz.getName()+" of type "+targetType); - } - catch (NoSuchFieldException e) - { - return findInheritedField(clazz.getPackage(),clazz.getSuperclass(), targetName,targetType,strictType); - } - } - - - - - - public static boolean isInheritable (Package pack, Member member) - { - if (pack==null) - return false; - if (member==null) - return false; - - int modifiers = member.getModifiers(); - if (Modifier.isPublic(modifiers)) - return true; - if (Modifier.isProtected(modifiers)) - return true; - if (!Modifier.isPrivate(modifiers) && pack.equals(member.getDeclaringClass().getPackage())) - return true; - - return false; - } - - - - - public static boolean checkParams (Class<?>[] formalParams, Class<?>[] actualParams, boolean strict) - { - if (formalParams==null) - return actualParams==null; - if (actualParams==null) - return false; - - if (formalParams.length!=actualParams.length) - return false; - - if (formalParams.length==0) - return true; - - int j=0; - if (strict) - { - while (j<formalParams.length && formalParams[j].equals(actualParams[j])) - j++; - } - else - { - while ((j<formalParams.length) && (formalParams[j].isAssignableFrom(actualParams[j]))) - { - j++; - } - } - - if (j!=formalParams.length) - { - return false; - } - - return true; - } - - - public static boolean isSameSignature (Method methodA, Method methodB) - { - if (methodA==null) - return false; - if (methodB==null) - return false; - - List<Class<?>> parameterTypesA = Arrays.asList(methodA.getParameterTypes()); - List<Class<?>> parameterTypesB = Arrays.asList(methodB.getParameterTypes()); - - if (methodA.getName().equals(methodB.getName()) - && - parameterTypesA.containsAll(parameterTypesB)) - return true; - - return false; - } - - public static boolean isTypeCompatible (Class<?> formalType, Class<?> actualType, boolean strict) - { - if (formalType==null) - return actualType==null; - if (actualType==null) - return false; - - if (strict) - return formalType.equals(actualType); - else - return formalType.isAssignableFrom(actualType); - } - - - - - public static boolean containsSameMethodSignature (Method method, Class<?> c, boolean checkPackage) - { - if (checkPackage) - { - if (!c.getPackage().equals(method.getDeclaringClass().getPackage())) - return false; - } - - boolean samesig = false; - Method[] methods = c.getDeclaredMethods(); - for (int i=0; i<methods.length && !samesig; i++) - { - if (IntrospectionUtil.isSameSignature(method, methods[i])) - samesig = true; - } - return samesig; - } - - - public static boolean containsSameFieldName(Field field, Class<?> c, boolean checkPackage) - { - if (checkPackage) - { - if (!c.getPackage().equals(field.getDeclaringClass().getPackage())) - return false; - } - - boolean sameName = false; - Field[] fields = c.getDeclaredFields(); - for (int i=0;i<fields.length && !sameName; i++) - { - if (fields[i].getName().equals(field.getName())) - sameName = true; - } - return sameName; - } - - - - protected static Method findInheritedMethod (Package pack, Class<?> clazz, String methodName, Class<?>[] args, boolean strictArgs) - throws NoSuchMethodException - { - if (clazz==null) - throw new NoSuchMethodException("No class"); - if (methodName==null) - throw new NoSuchMethodException("No method name"); - - Method method = null; - Method[] methods = clazz.getDeclaredMethods(); - for (int i=0;i<methods.length && method==null;i++) - { - if (methods[i].getName().equals(methodName) - && isInheritable(pack,methods[i]) - && checkParams(methods[i].getParameterTypes(), args, strictArgs)) - method = methods[i]; - } - if (method!=null) - { - return method; - } - else - return findInheritedMethod(clazz.getPackage(), clazz.getSuperclass(), methodName, args, strictArgs); - } - - protected static Field findInheritedField (Package pack, Class<?> clazz, String fieldName, Class<?> fieldType, boolean strictType) - throws NoSuchFieldException - { - if (clazz==null) - throw new NoSuchFieldException ("No class"); - if (fieldName==null) - throw new NoSuchFieldException ("No field name"); - try - { - Field field = clazz.getDeclaredField(fieldName); - if (isInheritable(pack, field) && isTypeCompatible(fieldType, field.getType(), strictType)) - return field; - else - return findInheritedField(clazz.getPackage(), clazz.getSuperclass(),fieldName, fieldType, strictType); - } - catch (NoSuchFieldException e) - { - return findInheritedField(clazz.getPackage(), clazz.getSuperclass(),fieldName, fieldType, strictType); - } - } - -}