/*
* Copyright (C) 2013 lichtflut Forschungs- und Entwicklungsgesellschaft mbH
*
* 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 org.arastreju.sge.traverse;
import org.arastreju.sge.model.nodes.SemanticNode;
import org.arastreju.sge.model.nodes.ValueNode;
import java.util.Collection;
/**
* @author Oliver Tigges
*/
public abstract class ValueMatcher implements Matcher {
public static ValueMatcher equals(final String s) {
return new ValueMatcher() {
@Override
public boolean matches(ValueNode value) {
return value.asText().getStringValue().equals(s);
}
};
}
// ----------------------------------------------------
@Override
public final boolean matches(Collection<? extends SemanticNode> nodes) {
for (SemanticNode node : nodes) {
if (node.isValueNode() && matches(node.asValue())) {
return true;
}
}
return false;
}
// ----------------------------------------------------
public abstract boolean matches(ValueNode value);
}