Coverage report

  %line %branch
net.sf.mindoro.commons.util.BeanUtils
70% 
88% 

 1   
 /*
 2   
  * Created on May 13, 2005
 3   
  *
 4   
  * TODO To change the template for this generated file go to
 5   
  * Window - Preferences - Java - Code Style - Code Templates
 6   
  */
 7   
 package net.sf.mindoro.commons.util;
 8   
 
 9   
 import java.lang.reflect.InvocationTargetException;
 10   
 import java.lang.reflect.Method;
 11   
 import java.lang.reflect.Modifier;
 12   
 
 13   
 import org.apache.commons.logging.Log;
 14   
 import org.apache.commons.logging.LogFactory;
 15   
 
 16   
 /**
 17   
  * @author aisrael
 18   
  *
 19   
  * TODO To change the template for this generated type comment go to Window -
 20   
  * Preferences - Java - Code Style - Code Templates
 21   
  */
 22   
 public final class BeanUtils {
 23   
 
 24  6 
     private static final Log log = LogFactory.getLog(BeanUtils.class);
 25   
 
 26   
     /**
 27   
      * BeanUtils instances should not be constructed in regular programming.
 28   
      */
 29  0 
     private BeanUtils() {
 30   
         // noop
 31  0 
     }
 32   
 
 33   
     /**
 34   
      * Return a String representation of the given object listing all public
 35   
      * properties (suitable for logging or debugging).
 36   
      *
 37   
      * @param obj
 38   
      *            any Object
 39   
      * @return a String representation of this object listing all public
 40   
      *         properties
 41   
      */
 42   
     public static String beanToString(final Object obj) {
 43  2 
         final StringBuffer sb = new StringBuffer();
 44   
 
 45  2 
         sb.append('(');
 46  2 
         if (null == obj) {
 47  0 
             sb.append("null");
 48   
         } else {
 49  2 
             final Class objClass = obj.getClass();
 50  2 
             sb.append(objClass.getName()).append(' ');
 51   
 
 52  2 
             final Method[] methods = objClass.getDeclaredMethods();
 53  26 
             for (int i = 0; i < methods.length; ++i) {
 54  24 
                 final Method method = methods[i];
 55  24 
                 if (Modclass="keyword">ifier.isPublic(method.getModclass="keyword">ifiers()) && method.getName().startsWith("get")
 56   
                         && method.getParameterTypes().length == 0) {
 57   
                     // most probably a public property getter
 58  12 
                     extractPropertyValue(sb, obj, method);
 59   
                 }
 60   
             }
 61   
         }
 62  2 
         sb.append(')');
 63  2 
         return sb.toString();
 64   
     }
 65   
 
 66   
     /**
 67   
      * @param sb
 68   
      *            StringBuffer
 69   
      * @param obj
 70   
      *            Object
 71   
      * @param method
 72   
      *            Method
 73   
      */
 74   
     private static void extractPropertyValue(final StringBuffer sb, class="keyword">final Object obj, class="keyword">final Method method) {
 75   
         try {
 76  12 
             final Object value = method.invoke(obj, new Object[0]);
 77  12 
             sb.append('(').append(getFriendlyName(method.getName())).append(' ');
 78   
 
 79  12 
             if (null == value) {
 80  6 
                 sb.append("null");
 81   
             } else {
 82  6 
                 final String valueToString = value.toString();
 83  6 
                 if (value.getClass() == java.lang.String.class) {
 84  6 
                     sb.append('"').append(valueToString).append('"');
 85   
                 } else {
 86  0 
                     sb.append(valueToString);
 87   
                 }
 88   
             }
 89  12 
             sb.append(')');
 90  0 
         } catch (final IllegalArgumentException e) {
 91  0 
             log.error("IllegalArgumentException caught invoking \"" + method.getName() + "\" on "
 92   
                     + obj.toString(), e);
 93  0 
         } catch (final IllegalAccessException e) {
 94  0 
             log.error("IllegalAccessException caught invoking \"" + method.getName() + "\" on "
 95   
                     + obj.toString(), e);
 96  0 
         } catch (final InvocationTargetException e) {
 97  0 
             log.error("InvocationTargetException caught invoking \"" + method.getName() + "\" on "
 98   
                     + obj.toString(), e);
 99  12 
         }
 100  12 
     }
 101   
 
 102   
     /**
 103   
      * @param name
 104   
      *            getXXX() method name
 105   
      * @return 'friendly name
 106   
      */
 107   
     private static String getFriendlyName(final String name) {
 108   
         final String result;
 109   
 
 110  12 
         if (name.startsWith("get")) {
 111  12 
             result = name.substring(3, 4).toLowerCase() + name.substring(4, name.length());
 112   
         } else {
 113  0 
             result = name;
 114   
         }
 115   
 
 116  12 
         return result;
 117   
     }
 118   
 }

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