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1 package jfun.yan;
2
3 import java.lang.reflect.Method  ;
4
5 import jfun.yan.util.ReflectionUtil;
6
7 final class MethodNameParamCountBinder implements ComponentBinder {
8 public Verifiable verify(Class type) {
9 final Method mtd = ReflectionUtil.getMethod(type, mname,
10 param_count, suppress_security);
11 return Components.fun(Functions.method(null, mtd));
12 }
13 public Creator bind(Object v){
14 if(v==null)
15 throw new IllegalArgumentException ("cannot invoke method "
16 + mname + " against null.");
17 final Class type = v.getClass();
18 final Method mtd = ReflectionUtil.getMethod(type, mname,
19 param_count, suppress_security);
20 return Components.fun(Functions.method(v, mtd));
21 }
22 public Class bindType(Class t){
23 return null;
24 }
25 private final String mname;
26 private final int param_count;
27 private final boolean suppress_security;
28 MethodNameParamCountBinder(final String mname,
29 final int param_count, boolean suppress_security) {
30 this.mname = mname;
31 this.param_count = param_count;
32 this.suppress_security = suppress_security;
33 }
34
35 public boolean equals(Object obj) {
36 if(obj instanceof MethodNameParamCountBinder){
37 final MethodNameParamCountBinder other = (MethodNameParamCountBinder)obj;
38 return suppress_security==other.suppress_security &&
39 param_count == other.param_count &&
40 mname.equals(other.mname);
41 }
42 else return false;
43 }
44 public int hashCode() {
45 return mname.hashCode()*31+param_count;
46 }
47 public String toString() {
48 return mname.toString();
49 }
50 }
51 |
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