| /* |
| * Copyright 2010 Google Inc. |
| * |
| * 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.google.gwt.validation.client.impl; |
| |
| import java.lang.annotation.Annotation; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.validation.metadata.ConstraintDescriptor; |
| import javax.validation.metadata.PropertyDescriptor; |
| |
| /** |
| * <strong>EXPERIMENTAL</strong> and subject to change. Do not use this in |
| * production code. |
| * <p> |
| * Abstract BeanDescriptor for use by generated {@link GwtBeanDescriptor}. |
| * <p> |
| * Subclasses are expected to call setDescriptorMap from the constructor. |
| * |
| * @param <T> the bean Type |
| */ |
| public final class GwtBeanDescriptorImpl<T> implements GwtBeanDescriptor<T> { |
| |
| /** |
| * Builder for {@link GwtBeanDescriptors}. |
| * |
| * @param <T> the bean Type |
| */ |
| public static final class Builder<T> { |
| |
| private final Class<T> clazz; |
| private final Map<String, PropertyDescriptor> descriptorMap = |
| new HashMap<String, PropertyDescriptor>(); |
| private final Set<ConstraintDescriptor<? extends Annotation>> constraints = |
| new HashSet<ConstraintDescriptor<? extends Annotation>>(); |
| private boolean isConstrained; |
| |
| private Builder(Class<T> clazz) { |
| this.clazz = clazz; |
| } |
| |
| public Builder<T> add( |
| ConstraintDescriptor<? extends Annotation> constraintDescriptor) { |
| constraints.add(constraintDescriptor); |
| return this; |
| } |
| |
| public GwtBeanDescriptorImpl<T> build() { |
| return new GwtBeanDescriptorImpl<T>(clazz, isConstrained, descriptorMap, |
| constraints); |
| } |
| |
| public Builder<T> put(String key, PropertyDescriptor value) { |
| descriptorMap.put(key, value); |
| return this; |
| } |
| |
| public Builder<T> setConstrained(boolean isConstrained) { |
| this.isConstrained = isConstrained; |
| return this; |
| } |
| } |
| |
| public static <T> Builder<T> builder(Class<T> clazz) { |
| return new Builder<T>(clazz); |
| } |
| |
| private final Class<T> clazz; |
| private final Set<ConstraintDescriptor<?>> constraints = new HashSet<ConstraintDescriptor<?>>(); |
| |
| private final Map<String, PropertyDescriptor> descriptorMap = new HashMap<String, PropertyDescriptor>(); |
| private final boolean isBeanConstrained; |
| |
| private GwtBeanDescriptorImpl(Class<T> clazz, boolean isConstrained, |
| Map<String, PropertyDescriptor> descriptorMap, |
| Set<ConstraintDescriptor<?>> constraints) { |
| super(); |
| this.clazz = clazz; |
| this.isBeanConstrained = isConstrained; |
| this.descriptorMap.putAll(descriptorMap); |
| this.constraints.addAll(constraints); |
| } |
| |
| public ConstraintFinder findConstraints() { |
| // TODO(nchalko) implement |
| return null; |
| } |
| |
| public Set<PropertyDescriptor> getConstrainedProperties() { |
| return new HashSet<PropertyDescriptor>(descriptorMap.values()); |
| } |
| |
| public Set<ConstraintDescriptor<?>> getConstraintDescriptors() { |
| // Copy for safety |
| return new HashSet<ConstraintDescriptor<?>>(constraints); |
| } |
| |
| public PropertyDescriptor getConstraintsForProperty(String propertyName) { |
| return descriptorMap.get(propertyName); |
| } |
| |
| public Class<?> getElementClass() { |
| return clazz; |
| } |
| |
| public boolean hasConstraints() { |
| return !constraints.isEmpty(); |
| } |
| |
| public boolean isBeanConstrained() { |
| return isBeanConstrained; |
| } |
| } |