| /* |
| * 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.MessageAndPath; |
| |
| import java.lang.annotation.Annotation; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import javax.validation.ConstraintValidatorContext; |
| import javax.validation.ConstraintValidatorContext.ConstraintViolationBuilder.NodeBuilderCustomizableContext; |
| import javax.validation.ConstraintValidatorContext.ConstraintViolationBuilder.NodeBuilderDefinedContext; |
| import javax.validation.ConstraintValidatorContext.ConstraintViolationBuilder.NodeContextBuilder; |
| import javax.validation.ConstraintViolation; |
| import javax.validation.metadata.ConstraintDescriptor; |
| |
| /** |
| * GWT safe immutable implementation of {@link ConstraintValidatorContext} |
| * <p> |
| * These objects are very short lived. |
| * |
| * @param <A> the constraint being validated |
| * @param <T> the type of object being validated |
| */ |
| public final class ConstraintValidatorContextImpl<A extends Annotation, T> |
| implements |
| ConstraintValidatorContext { |
| |
| /** |
| * Builder for {@link ConstraintValidatorContextImpl}. |
| */ |
| public final class ConstraintViolationBuilderImpl implements |
| ConstraintViolationBuilder { |
| |
| private ConstraintValidatorContextImpl<A, T> context; |
| private String messageTemplate; |
| |
| /** |
| * @param constraintValidatorContextImpl |
| * @param messageTemplate |
| */ |
| public ConstraintViolationBuilderImpl( |
| ConstraintValidatorContextImpl<A, T> constraintValidatorContextImpl, |
| String messageTemplate) { |
| this.context = constraintValidatorContextImpl; |
| this.messageTemplate = messageTemplate; |
| } |
| |
| @Override |
| public ConstraintValidatorContext addConstraintViolation() { |
| messages.add(new MessageAndPath(context.basePath, messageTemplate)); |
| return context; |
| } |
| |
| @Override |
| public NodeBuilderDefinedContext addNode(String name) { |
| return new NodeBuilderDefinedContextImpl(this, messageTemplate, |
| basePath.append(name)); |
| } |
| } |
| |
| /** |
| * Immutable GWT safe {@link NodeBuilderCustomizableContext}. |
| */ |
| public final class NodeBuilderCustomizableContextImpl implements |
| NodeBuilderCustomizableContext { |
| private final String messageTemplate; |
| private final ConstraintViolationBuilderImpl parent; |
| private final PathImpl path; |
| |
| public NodeBuilderCustomizableContextImpl( |
| ConstraintViolationBuilderImpl parent, String messageTemplate, |
| PathImpl path) { |
| this.parent = parent; |
| this.messageTemplate = messageTemplate; |
| this.path = path; |
| } |
| |
| @Override |
| public ConstraintValidatorContext addConstraintViolation() { |
| return null; |
| } |
| |
| @Override |
| public NodeBuilderCustomizableContext addNode(String name) { |
| return this; |
| } |
| |
| @Override |
| public NodeContextBuilder inIterable() { |
| return new NodeContextBuilderImpl(path, messageTemplate, parent); |
| } |
| } |
| |
| /** |
| * Immutable GWT safe {@link NodeBuilderDefinedContext}. |
| */ |
| public final class NodeBuilderDefinedContextImpl implements |
| NodeBuilderDefinedContext { |
| |
| private final String messageTemplate; |
| private final ConstraintViolationBuilderImpl parent; |
| private final PathImpl path; |
| |
| public NodeBuilderDefinedContextImpl(ConstraintViolationBuilderImpl parent, |
| String messageTemplate, PathImpl path) { |
| this.parent = parent; |
| this.messageTemplate = messageTemplate; |
| this.path = path; |
| } |
| |
| @Override |
| public ConstraintValidatorContext addConstraintViolation() { |
| messages.add(new MessageAndPath(path, messageTemplate)); |
| return parent.context; |
| } |
| |
| @Override |
| public NodeBuilderCustomizableContext addNode(String name) { |
| return new NodeBuilderCustomizableContextImpl(parent, messageTemplate, |
| path.append(name)); |
| } |
| } |
| |
| /** |
| * Immutable GWT safe {@link NodeContextBuilder}. |
| */ |
| public final class NodeContextBuilderImpl implements NodeContextBuilder { |
| |
| private final String messageTemplate; |
| |
| private final ConstraintViolationBuilderImpl parent; |
| private final PathImpl path; |
| |
| public NodeContextBuilderImpl(PathImpl path, String messageTemplate, |
| ConstraintViolationBuilderImpl parent) { |
| super(); |
| this.path = path; |
| this.messageTemplate = messageTemplate; |
| this.parent = parent; |
| } |
| |
| @Override |
| public ConstraintValidatorContext addConstraintViolation() { |
| return null; |
| } |
| |
| @Override |
| public NodeBuilderCustomizableContext addNode(String name) { |
| return new NodeBuilderCustomizableContextImpl(parent, messageTemplate, |
| path.append(name)); |
| } |
| |
| @Override |
| public NodeBuilderDefinedContext atIndex(Integer index) { |
| return new NodeBuilderDefinedContextImpl(parent, messageTemplate, |
| path.appendIndex(null, index.intValue())); |
| } |
| |
| @Override |
| public NodeBuilderDefinedContext atKey(Object key) { |
| return new NodeBuilderDefinedContextImpl(parent, messageTemplate, |
| path.appendKey(null, key)); |
| } |
| } |
| |
| private final PathImpl basePath; |
| private final ConstraintDescriptor<A> descriptor; |
| |
| private boolean disableDefault; |
| private final Set<ConstraintViolation<T>> violations = new HashSet<ConstraintViolation<T>>(); |
| private final HashSet<MessageAndPath> messages = new HashSet<MessageAndPath>(); |
| |
| public ConstraintValidatorContextImpl(PathImpl path, |
| ConstraintDescriptor<A> descriptor) { |
| super(); |
| this.basePath = path; |
| this.descriptor = descriptor; |
| } |
| |
| @Override |
| public ConstraintViolationBuilder buildConstraintViolationWithTemplate( |
| String messageTemplate) { |
| ConstraintViolationBuilderImpl builder = new ConstraintViolationBuilderImpl( |
| this, messageTemplate); |
| return builder; |
| } |
| |
| @Override |
| public void disableDefaultConstraintViolation() { |
| disableDefault = true; |
| } |
| |
| @Override |
| public String getDefaultConstraintMessageTemplate() { |
| return (String) descriptor.getAttributes().get("message"); |
| } |
| |
| public Set<MessageAndPath> getMessageAndPaths() { |
| if (!disableDefault) { |
| messages.add(new MessageAndPath(this.basePath, this |
| .getDefaultConstraintMessageTemplate())); |
| } |
| return messages; |
| } |
| |
| public Set<ConstraintViolation<T>> getViolations() { |
| return violations; |
| } |
| } |