001: /*
002: * Copyright (c) 2001-2007, Jean Tessier
003: * All rights reserved.
004: *
005: * Redistribution and use in source and binary forms, with or without
006: * modification, are permitted provided that the following conditions
007: * are met:
008: *
009: * * Redistributions of source code must retain the above copyright
010: * notice, this list of conditions and the following disclaimer.
011: *
012: * * Redistributions in binary form must reproduce the above copyright
013: * notice, this list of conditions and the following disclaimer in the
014: * documentation and/or other materials provided with the distribution.
015: *
016: * * Neither the name of Jean Tessier nor the names of his contributors
017: * may be used to endorse or promote products derived from this software
018: * without specific prior written permission.
019: *
020: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
021: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
022: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
023: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
024: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
025: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
026: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
027: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
028: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
029: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
030: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
031: */
032:
033: package com.jeantessier.classreader;
034:
035: public class SymbolGatherer extends CollectorBase {
036: private boolean collectingClassNames = true;
037: private boolean collectingFieldNames = true;
038: private boolean collectingMethodNames = true;
039: private boolean collectingLocalNames = true;
040:
041: private Method_info currentMethod = null;
042:
043: public boolean isCollectingClassNames() {
044: return collectingClassNames;
045: }
046:
047: public void setCollectingClassNames(boolean collectingClassNames) {
048: this .collectingClassNames = collectingClassNames;
049: }
050:
051: public boolean isCollectingFieldNames() {
052: return collectingFieldNames;
053: }
054:
055: public void setCollectingFieldNames(boolean collectingFieldNames) {
056: this .collectingFieldNames = collectingFieldNames;
057: }
058:
059: public boolean isCollectingMethodNames() {
060: return collectingMethodNames;
061: }
062:
063: public void setCollectingMethodNames(boolean collectingMethodNames) {
064: this .collectingMethodNames = collectingMethodNames;
065: }
066:
067: public boolean isCollectingLocalNames() {
068: return collectingLocalNames;
069: }
070:
071: public void setCollectingLocalNames(boolean collectingLocalNames) {
072: this .collectingLocalNames = collectingLocalNames;
073: }
074:
075: // Classfile
076: public void visitClassfile(Classfile classfile) {
077: if (isCollectingClassNames()) {
078: add(classfile.getClassName());
079: }
080:
081: super .visitClassfile(classfile);
082: }
083:
084: // Features
085: public void visitField_info(Field_info entry) {
086: if (isCollectingFieldNames()) {
087: add(entry.getFullSignature());
088: }
089:
090: super .visitField_info(entry);
091: }
092:
093: public void visitMethod_info(Method_info entry) {
094: if (isCollectingMethodNames()) {
095: add(entry.getFullSignature());
096: }
097:
098: Method_info previousMethod = currentMethod;
099: currentMethod = entry;
100: super .visitMethod_info(entry);
101: currentMethod = previousMethod;
102: }
103:
104: public void visitLocalVariable(LocalVariable helper) {
105: if (isCollectingLocalNames()) {
106: add(currentMethod.getFullSignature() + ": "
107: + helper.getName());
108: }
109:
110: super.visitLocalVariable(helper);
111: }
112: }
|