Java Object to String objectToString(Object in, boolean ignoreNull)

Description

Convert object to string

License

Apache License

Parameter

Parameter	Description
in	object
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

string representation of object

Declaration

public static String objectToString(Object in, boolean ignoreNull) 

Method Source Code

//package com.java2s;
/*/*from w  w  w . ja  va  2  s  .  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 {
    public static String objectToString(Object in) {
        return (in != null) ? in.toString() : null;
    }

    /**
     * Convert object to string
     * 
     * @param in object
     * @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 string representation of object
     */
    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;
    }
}

Related

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