/*
* Copyright 2002-2005 the original author or authors.
*
* 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 net.sf.sojo.optional.filter.attributes;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import net.sf.sojo.core.UniqueIdGenerator;
import net.sf.sojo.core.filter.ClassPropertyFilter;
import net.sf.sojo.core.filter.ClassPropertyFilterHandler;
import net.sf.sojo.core.reflect.ReflectionFieldHelper;
import net.sf.sojo.core.reflect.ReflectionMethodHelper;
import net.sf.sojo.util.Util;
import org.apache.commons.attributes.Attributes;
public class ClassPropertyFilterHanlderForAttributes implements ClassPropertyFilterHandler {
private Map classCache = new HashMap();
public ClassPropertyFilter getClassPropertyFilterByClass(Class pvClass) {
ClassPropertyFilter lvFilter = null;
if (classCache.containsKey(pvClass)) {
lvFilter = (ClassPropertyFilter) classCache.get(pvClass);
} else {
lvFilter = createClassPropertyFilter(pvClass);
}
return lvFilter;
}
private ClassPropertyFilter createClassPropertyFilter(Class pvClass) {
ClassPropertyFilter lvFilter = null;
ClassAttribute lvClassAttribute = (ClassAttribute) Attributes.getAttribute(pvClass, ClassAttribute.class);
if (lvClassAttribute != null) {
lvFilter = new ClassPropertyFilter(pvClass);
if (lvClassAttribute.getFilterUniqueId() == true) {
lvFilter.addProperty(UniqueIdGenerator.UNIQUE_ID_PROPERTY);
}
lvFilter.setSupport4AddClassProperty(lvClassAttribute.getFilter4ClassProperty());
createPropertyFilterForFieldAnnotation(lvFilter, pvClass);
createPropertyFilterForPropertyAnnotation(lvFilter, pvClass);
}
classCache.put(pvClass, lvFilter);
return lvFilter;
}
private void createPropertyFilterForFieldAnnotation(final ClassPropertyFilter pvFilter, Class pvClass) {
Field lvFields[] = ReflectionFieldHelper.getAllFieldsByClass(pvClass);
for (int i = 0; i < lvFields.length; i++) {
Object lvPropertyAttribute = Attributes.getAttribute(lvFields[i], PropertyAttribute.class);
if (lvPropertyAttribute != null) {
pvFilter.addProperty(lvFields[i].getName());
}
}
}
private void createPropertyFilterForPropertyAnnotation(final ClassPropertyFilter pvFilter, Class pvClass) {
Map lvMethodMap = ReflectionMethodHelper.getAllGetterMethodWithCache(pvClass, null);
Iterator it = lvMethodMap.entrySet().iterator();
while (it.hasNext()) {
Map.Entry lvEntry = (Entry) it.next();
String lvPropertyName = (String) lvEntry.getKey();
if (Util.getKeyWordClass().equals(lvPropertyName) == false) {
Method lvMethod = (Method) lvEntry.getValue();
Object lvPropertyAttribute = Attributes.getAttribute(lvMethod, PropertyAttribute.class);
if (lvPropertyAttribute != null) {
pvFilter.addProperty(lvPropertyName);
}
}
else if ( pvFilter.getSupport4AddClassProperty()) {
pvFilter.addProperty(lvPropertyName);
}
}
}
}
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