Java tutorial
/* SpecRunner - Acceptance Test Driven Development Tool Copyright (C) 2011-2018 Thiago Santos This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/> */ package org.specrunner.util.functions.core; import java.lang.reflect.InvocationTargetException; import org.apache.commons.beanutils.PropertyUtils; import org.specrunner.util.UtilLog; import org.specrunner.util.functions.IPredicate; /** * Defines a predicate for object properties. * * @author Thiago Santos. * */ public class PredicateProperty<P> implements IPredicate<P> { private String property; private Object value; public PredicateProperty(String property, Object value) { this.property = property; this.value = value; } @Override public Boolean apply(P p) { try { Object tmp = PropertyUtils.getProperty(p, property); return tmp == null ? value == null : tmp.equals(value); } catch (IllegalAccessException e) { if (UtilLog.LOG.isTraceEnabled()) { UtilLog.LOG.trace(e.getMessage(), e); } } catch (InvocationTargetException e) { if (UtilLog.LOG.isTraceEnabled()) { UtilLog.LOG.trace(e.getMessage(), e); } } catch (NoSuchMethodException e) { if (UtilLog.LOG.isTraceEnabled()) { UtilLog.LOG.trace(e.getMessage(), e); } } return Boolean.FALSE; } }