/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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 org.apache.myfaces.extensions.validator.core.storage; | |
import org.apache.myfaces.extensions.validator.util.GroupUtils; | |
import org.apache.myfaces.extensions.validator.internal.UsageInformation; | |
import static org.apache.myfaces.extensions.validator.internal.UsageCategory.INTERNAL; | |
import java.util.List; | |
import java.util.Map; | |
import java.util.HashMap; | |
import java.util.ArrayList; | |
import java.util.logging.Logger; | |
/** | |
* default storage implementation for groups | |
* | |
* @since x.x.3 | |
*/ | |
@UsageInformation(INTERNAL) | |
public class DefaultGroupStorage implements GroupStorage | |
{ | |
protected final Logger logger = Logger.getLogger(getClass().getName()); | |
private Map<String, List<Class>> addedGroups = new HashMap<String, List<Class>>(); | |
private Map<String, List<Class>> restrictedGroups = new HashMap<String, List<Class>>(); | |
public void addGroup(Class groupClass, String viewId, String clientId) | |
{ | |
addGroupToGroupStorage(groupClass, viewId, clientId, this.addedGroups); | |
} | |
public void restrictGroup(Class groupClass, String viewId, String clientId) | |
{ | |
addGroupToGroupStorage(groupClass, viewId, clientId, this.restrictedGroups); | |
} | |
public Class[] getGroups(String viewId, String clientId) | |
{ | |
if(this.addedGroups.size() < 1) | |
{ | |
return null; | |
} | |
//add found groups | |
String key = GroupUtils.getGroupKey(viewId, null); | |
List<Class> resultListForPage = buildGroupList(key, this.addedGroups); | |
key = GroupUtils.getGroupKey(viewId, clientId); | |
List<Class> resultListForComponent = buildGroupList(key, this.addedGroups); | |
//remove restricted groups | |
Class[] resultsForPage = | |
filterGroupList(GroupUtils.getGroupKey(viewId, null), resultListForPage); | |
Class[] resultsForComponent = | |
filterGroupList(GroupUtils.getGroupKey(viewId, clientId), resultListForComponent); | |
if(resultsForPage.length == 0) | |
{ | |
if(resultsForComponent.length == 0) | |
{ | |
this.logger.fine("no groups for group-validation available." + | |
"maybe you restricted all groups or you aren't using groups." + | |
"bean validation will use the default group for validation"); | |
} | |
return resultsForComponent; | |
} | |
else if(resultsForComponent.length == 0) | |
{ | |
return resultsForPage; | |
} | |
return mergeResults(resultsForPage, resultsForComponent); | |
} | |
private void addGroupToGroupStorage(Class groupClass, String viewId, String clientId, | |
Map<String, List<Class>> groupStorage) | |
{ | |
List<Class> groupList = groupStorage.get(GroupUtils.getGroupKey(viewId, clientId)); | |
if(groupList == null) | |
{ | |
groupList = new ArrayList<Class>(); | |
groupStorage.put(GroupUtils.getGroupKey(viewId, clientId), groupList); | |
} | |
if(!groupList.contains(groupClass)) | |
{ | |
groupList.add(groupClass); | |
} | |
} | |
private List<Class> buildGroupList(String key, Map<String, List<Class>> groupStorage) | |
{ | |
List<Class> list = groupStorage.get(key); | |
return (list != null) ? list : new ArrayList<Class>(); | |
} | |
private Class[] filterGroupList(String key, List<Class> addedGroups) | |
{ | |
List<Class> restrictedGroups = buildGroupList(key, this.restrictedGroups); | |
List<Class> results = new ArrayList<Class>(); | |
for(Class currentGroup : addedGroups) | |
{ | |
if(!restrictedGroups.contains(currentGroup)) | |
{ | |
results.add(currentGroup); | |
} | |
} | |
return results.toArray(new Class[results.size()]); | |
} | |
private Class[] mergeResults(Class[] resultsForPage, Class[] resultsForComponent) | |
{ | |
Class[] mergedResult = new Class[resultsForPage.length + resultsForComponent.length]; | |
System.arraycopy(resultsForPage, 0, mergedResult, 0, resultsForPage.length); | |
System.arraycopy(resultsForComponent, 0, mergedResult, resultsForPage.length, resultsForComponent.length); | |
return mergedResult; | |
} | |
} |