Mercurial > hg > Members > kono > jpf-core

comparison src/main/gov/nasa/jpf/tool/Run.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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-1:000000000000 0:61d41facf527
1 /*
2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
4 * All rights reserved.
5 *
6 * The Java Pathfinder core (jpf-core) platform is licensed under the
7 * Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0.
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package gov.nasa.jpf.tool;
20
21 import java.lang.reflect.InvocationTargetException;
22 import java.lang.reflect.Method;
23 import java.lang.reflect.Modifier;
24
25 /**
26 * common base for Run* classes
27 */
28 public class Run {
29
30 protected static void error (String msg){
31 System.err.print("error: ");
32 System.err.println(msg);
33 System.exit(1);
34 }
35
36 protected static void warning (String msg){
37 System.err.print("warning: ");
38 System.err.println(msg);
39 }
40
41 // filter out leading '+' arguments (Config initialization)
42 protected static String[] removeConfigArgs(String[]args){
43 int i;
44 for (i=0; i<args.length; i++){
45 String a = args[i];
46 if (a != null && a.length() > 0 && a.charAt(0) != '+'){
47 break;
48 }
49 }
50
51 String[] newArgs = new String[args.length - i];
52 System.arraycopy(args,i,newArgs,0,newArgs.length);
53
54 return newArgs;
55 }
56
57 protected static String checkClassName (String cls){
58 if (cls == null || cls.isEmpty()){
59 return null;
60 }
61
62 if (cls.charAt(0) == '.'){
63 cls = "gov.nasa.jpf" + cls;
64 }
65
66 return cls;
67 }
68
69 protected static boolean call( Class<?> cls, String mthName, Object[] args) throws InvocationTargetException {
70 try {
71 Class<?>[] argTypes = new Class<?>[args.length];
72 for (int i=0; i<args.length; i++){
73 argTypes[i] = args[i].getClass();
74 }
75
76 Method m = cls.getMethod(mthName, argTypes);
77
78 int modifiers = m.getModifiers();
79 if (Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers)){
80 m.invoke(null, args);
81 return true;
82 }
83
84 } catch (NoSuchMethodException nsmx){
85 return false;
86 } catch (IllegalAccessException iax){
87 return false;
88 }
89
90 return false;
91 }
92
93 }