AbstractFieldHandler.java

/*
 * Copyright (c) www.bugull.com
 * 
 * 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 net.tooan.ynpay.third.mongodb.lucene.handler;

import net.tooan.ynpay.third.mongodb.mapper.DataType;

import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.sql.Timestamp;
import java.util.Date;

/**
 * @author Frank Wen(xbwen@hotmail.com)
 */
public abstract class AbstractFieldHandler implements FieldHandler {

    protected final static String JOIN = ";";

    protected Object obj;
    protected Field field;
    protected String prefix;

    protected AbstractFieldHandler(Object obj, Field field, String prefix) {
        this.obj = obj;
        this.field = field;
        this.prefix = prefix;
    }

    protected String getArrayString(Object value, Class type) {
        StringBuilder sb = new StringBuilder();
        if (DataType.isDate(type)) {
            Date[] arr = (Date[]) value;
            for (Date e : arr) {
                sb.append(e.getTime()).append(JOIN);
            }
        } else if (DataType.isTimestamp(type)) {
            Timestamp[] arr = (Timestamp[]) value;
            for (Timestamp e : arr) {
                sb.append(e.getTime()).append(JOIN);
            }
        } else {
            int len = Array.getLength(value);
            for (int i = 0; i < len; i++) {
                sb.append(Array.get(value, i).toString()).append(JOIN);
            }
        }
        return sb.toString();
    }

}