it.alidays.mapengine.core.fetch.PathBinder.java Source code

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Here is the source code for it.alidays.mapengine.core.fetch.PathBinder.java

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/*
 * Copyright 2015 Alidays S.p.A.
 *
 * 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 it.alidays.mapengine.core.fetch;

import org.dom4j.Element;
import org.dom4j.Node;

public class PathBinder implements Binder {

    private final String path;

    protected PathBinder(String path) {
        this.path = path;
    }

    @Override
    public Object bind(Element element) {
        String result = null;

        Node node = element.selectSingleNode(this.path);
        if (node != null) {
            result = node.getText();
        }

        return result;
    }

}