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1
54
55 package org.jboss.axis.encoding.ser;
56
57 import org.jboss.axis.utils.JavaUtils;
58 import org.jboss.logging.Logger;
59
60 import java.lang.reflect.Constructor  ;
61 import java.util.ArrayList ;
62 import java.util.List ;
63
64
71 public class DeferredBeanConstruction
72 {
73 private static Logger log = Logger.getLogger(DeferredBeanConstruction.class.getName());
74
75 private Constructor ctor;
76
77 private Class [] ctorParamTypes;
78
79 private List ctorParams = new ArrayList ();
80
81 public DeferredBeanConstruction(Constructor ctor)
82 {
83 this.ctor = ctor;
84 this.ctorParamTypes = ctor.getParameterTypes();
85 }
86
87 public Constructor getConstructor()
88 {
89 return ctor;
90 }
91
92 public Object newBeanInstance(Object ctorArg)
93 {
94 try
95 {
96 log.debug("Add constructor argument: " + ctorArg);
97
98 int index = ctorParams.size();
99 Class paramType = ctorParamTypes[index];
100 if (JavaUtils.isConvertable(ctorArg, paramType) == false)
101 {
102 log.debug("Ignoring parameter [" + ctorArg + "], given value is not convertable to " + paramType.getName());
103 ctorArg = null;
104 }
105 else
106 {
107 ctorArg = JavaUtils.convert(ctorArg, paramType);
108 }
109
110 ctorParams.add(ctorArg);
111
112 if (ctorParamTypes.length == ctorParams.size())
113 {
114 log.debug("Attempt to make bean with: " + toString());
115 Object bean = ctor.newInstance(ctorParams.toArray());
116 return bean;
117 }
118 else
119 {
120 log.debug("Waiting for more constructor arguments");
121 return null;
122 }
123 }
124 catch (Exception e)
125 {
126 throw new IllegalStateException ("Cannot construct target object with: " + ctorParams);
127 }
128 }
129
130 public String toString()
131 {
132 return "[ctor=" + ctor + ",args=" + ctorParams + "]";
133 }
134 } |
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