Java Object to String objectToString(Object in)

Description

object To String

License

Apache License

Parameter

Parameter	Description
in	a parameter

Declaration

public static String objectToString(Object in) 

Method Source Code

//package com.java2s;
/*//from w  w  w .  j  a va  2s .  c om
 * 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.
 */

public class Main {
    /**
     * 
     * @param in
     * @return
     */
    public static String objectToString(Object in) {
        return (in != null) ? in.toString() : null;
    }

    /**
     * 
     * @param in
     * @param ignoreNull   
     *       If this flag has set, it will ignore null. This flag is mainly used in merge functionality to override data with "null" data.
     * @return
     */
    public static String objectToString(Object in, boolean ignoreNull) {
        String strReturn = objectToString(in);
        if (strReturn == null)
            return strReturn;
        else if (ignoreNull) {
            if (in instanceof Double && ((Double) in).doubleValue() == 0.0)
                return null;
            else if (in instanceof Long && ((Long) in).longValue() == 0)
                return null;
            else if (in instanceof Boolean && ((Boolean) in).booleanValue() == false)
                return null;
            else if (in instanceof String && ((String) in).trim().length() == 0)
                return null;
            else
                return strReturn;
        } else
            return strReturn;
    }

    public static String toString(int[] list) {
        StringBuilder sb = new StringBuilder();
        sb.append(list[0]);
        for (int i = 1; i < list.length; i++) {
            sb.append(",");
            sb.append(list[i]);
        }
        return sb.toString();
    }
}

Related

1. castToString(Object object)
2. castToString(Object value)
3. castToStringArray(Object[] array)
4. objectToString(final Object value)
5. objectToString(Object a_Object)
6. objectToString(Object in, boolean ignoreNull)
7. objectToString(Object o)
8. objectToString(Object o)
9. objectToString(Object o)