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1
35 package org.codehaus.groovy.runtime;
36
37 import groovy.lang.MetaMethod;
38
39 import java.lang.reflect.Modifier  ;
40
41
51 public class NewInstanceMetaMethod extends MetaMethod {
52
53 private static final Class [] EMPTY_TYPE_ARRAY = {};
54
55 private MetaMethod metaMethod;
56 private Class [] logicalParameterTypes;
57
58 public NewInstanceMetaMethod(MetaMethod metaMethod) {
59 super(metaMethod);
60 this.metaMethod = metaMethod;
61 Class [] realParameterTypes = metaMethod.getParameterTypes();
62 int size = realParameterTypes.length;
63 if (size <= 1) {
64 logicalParameterTypes = EMPTY_TYPE_ARRAY;
65 }
66 else {
67 logicalParameterTypes = new Class [--size];
68 System.arraycopy(realParameterTypes, 1, logicalParameterTypes, 0, size);
69 }
70 }
71
72 public Class getDeclaringClass() {
73 return getBytecodeParameterTypes()[0];
74 }
75
76 public boolean isStatic() {
77 return false;
78 }
79
80 public int getModifiers() {
81 return super.getModifiers() ^ Modifier.STATIC;
83 }
84
85 public Class [] getParameterTypes() {
86 return logicalParameterTypes;
87 }
88
89 public Class [] getBytecodeParameterTypes() {
90 return super.getParameterTypes();
91 }
92
93 public Object invoke(Object object, Object [] arguments) throws Exception {
94 int size = arguments.length;
96 Object [] newArguments = new Object [size + 1];
97 newArguments[0] = object;
98 System.arraycopy(arguments, 0, newArguments, 1, size);
99 return metaMethod.invoke(null, newArguments);
100 }
101 }
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