| /* |
| * 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 com.google.gwt.validation.client.impl.metadata.BeanMetadata; |
| import com.google.gwt.validation.client.impl.metadata.ValidationGroupsMetadata; |
| |
| import java.lang.annotation.Annotation; |
| import java.util.Collection; |
| 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; |
| |
| /** |
| * 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 GwtBeanDescriptor}s. |
| * |
| * @param <T> the bean Type |
| */ |
| public static final class Builder<T> { |
| |
| private final Class<T> clazz; |
| private final Map<String, PropertyDescriptorImpl> descriptorMap = |
| new HashMap<String, PropertyDescriptorImpl>(); |
| private final Set<ConstraintDescriptorImpl<? extends Annotation>> constraints = |
| new HashSet<ConstraintDescriptorImpl<? extends Annotation>>(); |
| private boolean isConstrained; |
| private BeanMetadata beanMetadata; |
| |
| private Builder(Class<T> clazz) { |
| this.clazz = clazz; |
| } |
| |
| public Builder<T> add( |
| ConstraintDescriptorImpl<? extends Annotation> constraintDescriptor) { |
| constraints.add(constraintDescriptor); |
| return this; |
| } |
| |
| public GwtBeanDescriptorImpl<T> build() { |
| return new GwtBeanDescriptorImpl<T>(clazz, isConstrained, descriptorMap, beanMetadata, |
| constraints); |
| } |
| |
| public Builder<T> put(String key, PropertyDescriptorImpl value) { |
| descriptorMap.put(key, value.shallowCopy()); |
| return this; |
| } |
| |
| public Builder<T> setBeanMetadata(BeanMetadata beanMetadata) { |
| this.beanMetadata = beanMetadata; |
| 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<ConstraintDescriptorImpl<?>> constraints = new HashSet<ConstraintDescriptorImpl<?>>(); |
| |
| private final Map<String, PropertyDescriptorImpl> descriptorMap = new HashMap<String, PropertyDescriptorImpl>(); |
| private final boolean isBeanConstrained; |
| |
| private final BeanMetadata beanMetadata; |
| |
| private ValidationGroupsMetadata validationGroupsMetadata; |
| |
| private GwtBeanDescriptorImpl(Class<T> clazz, boolean isConstrained, |
| Map<String, PropertyDescriptorImpl> descriptorMap, BeanMetadata beanMetadata, |
| Set<ConstraintDescriptorImpl<?>> constraints) { |
| this.clazz = clazz; |
| this.isBeanConstrained = isConstrained; |
| this.beanMetadata = beanMetadata; |
| this.descriptorMap.putAll(descriptorMap); |
| this.constraints.addAll(constraints); |
| } |
| |
| @Override |
| public ConstraintFinder findConstraints() { |
| return new ConstraintFinderImpl(beanMetadata, validationGroupsMetadata, constraints); |
| } |
| |
| @Override |
| public Set<PropertyDescriptor> getConstrainedProperties() { |
| Collection<PropertyDescriptorImpl> props = descriptorMap.values(); |
| for (PropertyDescriptorImpl prop : props) { |
| prop.setValidationGroupsMetadata(validationGroupsMetadata); |
| } |
| return new HashSet<PropertyDescriptor>(props); |
| } |
| |
| @Override |
| public Set<ConstraintDescriptor<?>> getConstraintDescriptors() { |
| return findConstraints().getConstraintDescriptors(); |
| } |
| |
| @Override |
| public PropertyDescriptor getConstraintsForProperty(String propertyName) { |
| PropertyDescriptorImpl propDesc = descriptorMap.get(propertyName); |
| if (propDesc != null) { |
| propDesc.setValidationGroupsMetadata(validationGroupsMetadata); |
| } |
| return propDesc; |
| } |
| |
| @Override |
| public Class<?> getElementClass() { |
| return clazz; |
| } |
| |
| |
| @Override |
| public boolean hasConstraints() { |
| return !constraints.isEmpty(); |
| } |
| |
| @Override |
| public boolean isBeanConstrained() { |
| return isBeanConstrained; |
| } |
| |
| @Override |
| public void setValidationGroupsMetadata(ValidationGroupsMetadata validationGroupsMetadata) { |
| // TODO(idol) Find some way to pass this via the constructor rather than after creation |
| this.validationGroupsMetadata = validationGroupsMetadata; |
| } |
| } |