com.glaf.core.util.converter.LongConverter.java Source code

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Here is the source code for com.glaf.core.util.converter.LongConverter.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 com.glaf.core.util.converter;

import org.apache.commons.beanutils.Converter;

@SuppressWarnings({ "unchecked", "rawtypes" })
public class LongConverter implements Converter {

    public Object convert(Class type, Object value) {
        if (value == null) {
            return null;
        }
        if (value instanceof String) {
            String tmp = (String) value;
            if (tmp.trim().length() == 0) {
                return null;
            } else {
                return Long.parseLong(tmp);
            }
        }
        return null;
    }
}