Java Object Value Of valueOf(Object[] oarray)

Description

Formats an array of objects into a String suitable for output (logging, etc.).

License

Open Source License

Parameter

Parameter	Description
oarray	The array of objects to be formatted into a single string.

Return

The string representation of the objects in the array.

Declaration

public static String valueOf(Object[] oarray) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2012 Firestar Software, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors://from www  . j  av  a  2s  .  c o  m
 *     Firestar Software, Inc. - initial API and implementation
 *
 * Author:
 *     Gabriel Oancea
 *
 *******************************************************************************/

public class Main {
    /**
     * Formats an array of objects into a String suitable for output (logging, etc.). The output format is
     * "{ v1, v2, ... }", where vN is a value at position N. Null values will be represented by the string "null" and
     * non-null values will have their "toString()" representation.
     * 
     * @param oarray The array of objects to be formatted into a single string.
     * @return The string representation of the objects in the array.
     */
    public static String valueOf(Object[] oarray) {
        StringBuffer sbuf = new StringBuffer("{ ");

        for (int i = 0; i < oarray.length; ++i) {
            String stringValue = oarray[i] == null ? "null" : oarray[i]
                    .toString();
            stringValue = trimToLength(stringValue);
            if (i > 0)
                sbuf.append(", ");
            sbuf.append(stringValue);
        }
        sbuf.append(" }");
        return sbuf.toString();
    }

    private static String trimToLength(String v) {
        int n = v.indexOf(System.getProperty("line.separator"));
        if (n > 0)
            v = v.substring(0, n);
        if (v.length() > 32)
            v = v.substring(0, 29) + "...";
        return v;
    }
}

Related

1. valueOf(Object obj)
2. valueOf(Object obj)
3. valueOf(Object object)
4. valueOf(Object value)
5. valueOf(Object[] array)