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/*
* Copyright 2011 Vaadin Ltd.
*
* 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.vaadin.terminal.gwt.widgetsetutils.metadata;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.typeinfo.JClassType;
import com.google.gwt.core.ext.typeinfo.JField;
import com.google.gwt.user.rebind.SourceWriter;
public class FieldProperty extends Property {
private final JField field;
private FieldProperty(JClassType beanType, JField field) {
super(field.getName(), beanType, field.getType());
this.field = field;
}
@Override
public void writeSetterBody(TreeLogger logger, SourceWriter w,
String beanVariable, String valueVariable) {
w.print("((%s) %s).%s = (%s)%s;", getBeanType()
.getQualifiedSourceName(), beanVariable, getName(),
getUnboxedPropertyTypeName(), valueVariable);
}
@Override
public void writeGetterBody(TreeLogger logger, SourceWriter w,
String beanVariable) {
w.print("return ((%s) %s).%s;", getBeanType().getQualifiedSourceName(),
beanVariable, getName());
}
public static Collection<FieldProperty> findProperties(JClassType type) {
Collection<FieldProperty> properties = new ArrayList<FieldProperty>();
List<JField> fields = getPublicFields(type);
for (JField field : fields) {
properties.add(new FieldProperty(type, field));
}
return properties;
}
private static List<JField> getPublicFields(JClassType type) {
Set<String> names = new HashSet<String>();
ArrayList<JField> fields = new ArrayList<JField>();
for (JClassType subType : type.getFlattenedSupertypeHierarchy()) {
JField[] subFields = subType.getFields();
for (JField field : subFields) {
if (field.isPublic() && !field.isStatic()
&& names.add(field.getName())) {
fields.add(field);
}
}
}
return fields;
}
@Override
public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
return field.getAnnotation(annotationClass);
}
}
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