Coverage Report

Coverage Report - com.jeantessier.classreader.FeatureDependencyCollector

Classes in this File

Line Coverage

Branch Coverage

Complexity

FeatureDependencyCollector

0/32

0/23

3.143

 /*
  *  Copyright (c) 2001-2009, Jean Tessier
  *  All rights reserved.
  *  
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions
  *  are met:
  *  
  *      * Redistributions of source code must retain the above copyright
  *        notice, this list of conditions and the following disclaimer.
  *  
  *      * Redistributions in binary form must reproduce the above copyright
  *        notice, this list of conditions and the following disclaimer in the
  *        documentation and/or other materials provided with the distribution.
  *  
  *      * Neither the name of Jean Tessier nor the names of his contributors
  *        may be used to endorse or promote products derived from this software
  *        without specific prior written permission.
  *  
  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  *  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR
  *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 package com.jeantessier.classreader;
 
 import org.apache.oro.text.perl.*;
 
 public class FeatureDependencyCollector extends CollectorBase {
     private static final Perl5Util perl = new Perl5Util();
 
     private Class_info thisClass;
 
     public void visitClassfile(Classfile classfile) {
         thisClass = classfile.getRawClass();
 
         classfile.getConstantPool().accept(this);
     }
 
     public void visitFieldRef_info(FieldRef_info entry) {
         if (entry.getRawClass() != thisClass) {
             add(entry.getClassName() + "." + entry.getRawNameAndType().getName());
         }
     }
 
     public void visitMethodRef_info(MethodRef_info entry) {
         if ((entry.getRawClass() != thisClass) && !perl.match("/<.*init>/", entry.getRawNameAndType().getName())) {
             add(entry.getClassName() + "." + entry.getRawNameAndType().getName());
         }
     }
 
     public void visitInterfaceMethodRef_info(InterfaceMethodRef_info entry) {
         if (entry.getRawClass() != thisClass) {
             add(entry.getClassName() + "." + entry.getRawNameAndType().getName());
         }
     }
 
     public void visitMethod_info(Method_info entry) {
         processSignature(entry.getDescriptor());
     
         super.visitMethod_info(entry);
     }
 
     public void visitInstruction(Instruction helper) {
         switch (helper.getOpcode()) {
             case 0xb2: // getstatic
             case 0xb3: // putstatic
             case 0xb4: // getfield
             case 0xb5: // putfield
             case 0xb6: // invokevirtual
             case 0xb7: // invokespecial
             case 0xb8: // invokestatic
             case 0xb9: // invokeinterface
                 helper.getIndexedConstantPoolEntry().accept(this);
                 break;
             default:
                 // Do nothing
                 break;
         }
 
         super.visitInstruction(helper);
     }
 
     private void processSignature(String str) {
         int currentPos = 0;
         int startPos;
         int endPos;
 
         while ((startPos = str.indexOf('L', currentPos)) != -1) {
             if ((endPos = str.indexOf(';', startPos)) != -1) {
                 String candidate = str.substring(startPos + 1, endPos);
                 if (!thisClass.getName().equals(candidate)) {
                     add(ClassNameHelper.path2ClassName(candidate));
                 }
                 currentPos = endPos + 1;
             } else {
                 currentPos = startPos + 1;
             }
         }
     }
 }

1		/*
2		* Copyright (c) 2001-2009, Jean Tessier
3		* All rights reserved.
4		*
5		* Redistribution and use in source and binary forms, with or without
6		* modification, are permitted provided that the following conditions
7		* are met:
8		*
9		* * Redistributions of source code must retain the above copyright
10		* notice, this list of conditions and the following disclaimer.
11		*
12		* * Redistributions in binary form must reproduce the above copyright
13		* notice, this list of conditions and the following disclaimer in the
14		* documentation and/or other materials provided with the distribution.
15		*
16		* * Neither the name of Jean Tessier nor the names of his contributors
17		* may be used to endorse or promote products derived from this software
18		* without specific prior written permission.
19		*
20		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21		* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22		* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23		* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24		* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25		* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26		* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27		* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28		* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29		* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30		* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31		*/
32
33		package com.jeantessier.classreader;
34
35		import org.apache.oro.text.perl.*;
36
37	0	public class FeatureDependencyCollector extends CollectorBase {
38	0	private static final Perl5Util perl = new Perl5Util();
39
40		private Class_info thisClass;
41
42		public void visitClassfile(Classfile classfile) {
43	0	thisClass = classfile.getRawClass();
44
45	0	classfile.getConstantPool().accept(this);
46	0	}
47
48		public void visitFieldRef_info(FieldRef_info entry) {
49	0	if (entry.getRawClass() != thisClass) {
50	0	add(entry.getClassName() + "." + entry.getRawNameAndType().getName());
51		}
52	0	}
53
54		public void visitMethodRef_info(MethodRef_info entry) {
55	0	if ((entry.getRawClass() != thisClass) && !perl.match("/<.*init>/", entry.getRawNameAndType().getName())) {
56	0	add(entry.getClassName() + "." + entry.getRawNameAndType().getName());
57		}
58	0	}
59
60		public void visitInterfaceMethodRef_info(InterfaceMethodRef_info entry) {
61	0	if (entry.getRawClass() != thisClass) {
62	0	add(entry.getClassName() + "." + entry.getRawNameAndType().getName());
63		}
64	0	}
65
66		public void visitMethod_info(Method_info entry) {
67	0	processSignature(entry.getDescriptor());
68
69	0	super.visitMethod_info(entry);
70	0	}
71
72		public void visitInstruction(Instruction helper) {
73	0	switch (helper.getOpcode()) {
74		case 0xb2: // getstatic
75		case 0xb3: // putstatic
76		case 0xb4: // getfield
77		case 0xb5: // putfield
78		case 0xb6: // invokevirtual
79		case 0xb7: // invokespecial
80		case 0xb8: // invokestatic
81		case 0xb9: // invokeinterface
82	0	helper.getIndexedConstantPoolEntry().accept(this);
83	0	break;
84		default:
85		// Do nothing
86		break;
87		}
88
89	0	super.visitInstruction(helper);
90	0	}
91
92		private void processSignature(String str) {
93	0	int currentPos = 0;
94		int startPos;
95		int endPos;
96
97	0	while ((startPos = str.indexOf('L', currentPos)) != -1) {
98	0	if ((endPos = str.indexOf(';', startPos)) != -1) {
99	0	String candidate = str.substring(startPos + 1, endPos);
100	0	if (!thisClass.getName().equals(candidate)) {
101	0	add(ClassNameHelper.path2ClassName(candidate));
102		}
103	0	currentPos = endPos + 1;
104	0	} else {
105	0	currentPos = startPos + 1;
106		}
107		}
108	0	}
109		}