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/*
* Copyright 2000-2013 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.client.metadata;
import com.vaadin.shared.annotations.DelegateToWidget;
public class Property {
private final Type bean;
private final String name;
private final String signature;
public Property(Type bean, String name) {
this.bean = bean;
this.name = name;
// Cache derived signature value
signature = bean.getSignature() + "." + name;
}
public Object getValue(Object bean) throws NoDataException {
return TypeDataStore.getGetter(this).invoke(bean);
}
public void setValue(Object bean, Object value) throws NoDataException {
TypeDataStore.getSetter(this).invoke(bean, value);
}
public String getDelegateToWidgetMethodName() {
String value = TypeDataStore.getDelegateToWidget(this);
if (value == null) {
return null;
} else {
return DelegateToWidget.Helper.getDelegateTarget(getName(), value);
}
}
public Type getType() throws NoDataException {
return TypeDataStore.getType(this);
}
/**
* The unique signature used to identify this property. The structure of the
* returned string may change without notice and should not be used for any
* other purpose than identification. The signature is currently based on
* the declaring type's signature and the property's name.
*
* @return the unique signature of this property
*/
public String getSignature() {
return signature;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
} else if (obj instanceof Property) {
Property other = (Property) obj;
return getSignature().equals(other.getSignature());
} else {
return false;
}
}
@Override
public int hashCode() {
return getSignature().hashCode();
}
public String getName() {
return name;
}
@Override
public String toString() {
return getSignature();
}
}
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