jp.terasoluna.fw.beans.jxpath.DynamicPropertyPointerEx.java Source code

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Here is the source code for jp.terasoluna.fw.beans.jxpath.DynamicPropertyPointerEx.java

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/*
 * Copyright (c) 2007 NTT DATA Corporation
 *
 * 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 jp.terasoluna.fw.beans.jxpath;

import org.apache.commons.jxpath.DynamicPropertyHandler;
import org.apache.commons.jxpath.ri.model.NodePointer;
import org.apache.commons.jxpath.ri.model.dynamic.DynamicPropertyPointer;
import org.apache.commons.jxpath.util.ValueUtils;

/**
 * null????Map?
 * 
 * <p>?Map????
 * Map??null???????????????
 * null??????????</p>
 * 
 */
public class DynamicPropertyPointerEx extends DynamicPropertyPointer {

    /**
     * ?ID
     */
    private static final long serialVersionUID = -2235777024563491060L;

    /**
     * 
     * @param parent Map?
     * @param handler ?
     */
    public DynamicPropertyPointerEx(NodePointer parent, DynamicPropertyHandler handler) {
        super(parent, handler);
    }

    /**
     * ???
     * @return ?
     */
    @Override
    public int getLength() {
        // ???null??????
        Object value = getBaseValue();
        if (value == null) {
            return 1;
        }
        return ValueUtils.getLength(value);
    }
}