/*
* Copyright 2000-2016 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.v7.data.util.filter;
import com.vaadin.data.provider.DataProvider;
import com.vaadin.data.provider.ListDataProvider;
import com.vaadin.v7.data.Container.Filter;
import com.vaadin.v7.data.Item;
/**
* @deprecated As of 8.0, the whole filtering feature is integrated into {@link DataProvider}.
* For in-memory case ({@link ListDataProvider}), use predicates as filters. For back-end DataProviders,
* filters are specific to the implementation.
*/
@Deprecated
public class Like implements Filter {
private final Object propertyId;
private final String value;
private boolean caseSensitive;
public Like(Object propertyId, String value) {
this(propertyId, value, true);
}
public Like(Object propertyId, String value, boolean caseSensitive) {
this.propertyId = propertyId;
this.value = value;
setCaseSensitive(caseSensitive);
}
public Object getPropertyId() {
return propertyId;
}
public String getValue() {
return value;
}
public void setCaseSensitive(boolean caseSensitive) {
this.caseSensitive = caseSensitive;
}
public boolean isCaseSensitive() {
return caseSensitive;
}
@Override
public boolean passesFilter(Object itemId, Item item)
throws UnsupportedOperationException {
if (!item.getItemProperty(getPropertyId()).getType()
.isAssignableFrom(String.class)) {
// We can only handle strings
return false;
}
String colValue = (String) item.getItemProperty(getPropertyId())
.getValue();
// Fix issue #10167 - avoid NPE and drop null property values
if (colValue == null) {
return false;
}
String pattern = getValue().replace("%", ".*");
if (isCaseSensitive()) {
return colValue.matches(pattern);
}
return colValue.toUpperCase().matches(pattern.toUpperCase());
}
@Override
public boolean appliesToProperty(Object propertyId) {
return getPropertyId() != null && getPropertyId().equals(propertyId);
}
@Override
public int hashCode() {
return getPropertyId().hashCode() + getValue().hashCode();
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
// Only objects of the same class can be equal
if (!getClass().equals(obj.getClass())) {
return false;
}
final Like o = (Like) obj;
// Checks the properties one by one
boolean propertyIdEqual = (null != getPropertyId())
? getPropertyId().equals(o.getPropertyId())
: null == o.getPropertyId();
boolean valueEqual = (null != getValue())
? getValue().equals(o.getValue()) : null == o.getValue();
return propertyIdEqual && valueEqual;
}
}