null Str To Empty - Android java.lang

Android examples for java.lang:String Null or Empty

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Description

null Str To Empty

Demo Code

import android.graphics.Paint;
import android.widget.TextView;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main{

    /**// w  ww .java 2  s .c  o  m
     * null Object to empty string
     * 
     * <pre>
     * nullStrToEmpty(null) = &quot;&quot;;
     * nullStrToEmpty(&quot;&quot;) = &quot;&quot;;
     * nullStrToEmpty(&quot;aa&quot;) = &quot;aa&quot;;
     * </pre>
     * 
     * @param str
     * @return
     */
    public static String nullStrToEmpty(Object str) {
        return (str == null ? "" : (str instanceof String ? (String) str
                : str.toString()));
    }

}

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