| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.test.failurehandler.value; |
| |
| import jdk.test.failurehandler.Utils; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Modifier; |
| import java.util.Objects; |
| import java.util.Properties; |
| |
| public final class ValueHandler { |
| public static <T> void apply(T object, Properties properties, |
| String prefix) throws InvalidValueException { |
| Objects.requireNonNull(object, "object cannot be null"); |
| Objects.requireNonNull(properties, "properties cannot be null"); |
| Class<?> aClass = object.getClass(); |
| while (aClass != null) { |
| for (Field field : aClass.getDeclaredFields()) { |
| Value p = field.getAnnotation(Value.class); |
| if (p != null) { |
| applyToField(p, object, field, properties, prefix); |
| } else { |
| SubValues sub |
| = field.getAnnotation(SubValues.class); |
| if (sub != null) { |
| getAccess(field); |
| try { |
| apply(field.get(object), properties, |
| Utils.prependPrefix(prefix, sub.prefix())); |
| } catch (IllegalAccessException e) { |
| throw new InvalidValueException(String.format( |
| "can't apply sub properties to %s.", |
| field.getName())); |
| } |
| } |
| } |
| } |
| aClass = aClass.getSuperclass(); |
| } |
| } |
| |
| private static void applyToField(Value property, Object object, |
| Field field, Properties properties, String prefix) |
| throws InvalidValueException { |
| getAccess(field); |
| if (Modifier.isFinal(field.getModifiers())) { |
| throw new InvalidValueException( |
| String.format("field '%s' is final", field)); |
| } |
| String name = Utils.prependPrefix(prefix, property.name()); |
| String value = getProperty(properties, prefix, property.name()); |
| if (value == null) { |
| DefaultValue defaultValue |
| = field.getAnnotation(DefaultValue.class); |
| value = defaultValue == null ? null : defaultValue.value(); |
| } |
| if (value == null) { |
| throw new InvalidValueException(String.format( |
| "can't set '%s', because properties don't have '%s'.", |
| field.getName(), name)); |
| } |
| String delimiter = getProperty(properties, |
| Utils.prependPrefix(prefix, property.name()), "delimiter"); |
| delimiter = delimiter == null ? " " : delimiter; |
| Class<? extends ValueParser> parserClass = property.parser(); |
| try { |
| field.set(object, parserClass.newInstance().parse( |
| field.getType(), value, delimiter)); |
| } catch (ReflectiveOperationException | IllegalArgumentException e) { |
| throw new InvalidValueException( |
| String.format("can't set field '%s' : %s", |
| field.getName(), e.getMessage()), e); |
| } |
| } |
| |
| private static String getProperty(Properties properties, |
| String prefix, String name) { |
| if (prefix == null || prefix.isEmpty()) { |
| return properties.getProperty(name); |
| } |
| int index = prefix.length(); |
| do { |
| String value = properties.getProperty( |
| Utils.prependPrefix(prefix.substring(0, index), name)); |
| if (value != null) { |
| return value; |
| } |
| index = prefix.lastIndexOf('.', index - 1); |
| } while (index > 0); |
| return properties.getProperty(name); |
| } |
| |
| private static void getAccess(Field field) { |
| int modifiers = field.getModifiers(); |
| if (!Modifier.isPublic(modifiers)) { |
| field.setAccessible(true); |
| } |
| } |
| |
| } |