Source Code Cross Referenced for SummaryTraversal.java in  » UML » jrefactory » org » acm » seguin » summary » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » UML » jrefactory » org.acm.seguin.summary 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* ====================================================================
002:         * The JRefactory License, Version 1.0
003:         *
004:         * Copyright (c) 2001 JRefactory.  All rights reserved.
005:         *
006:         * Redistribution and use in source and binary forms, with or without
007:         * modification, are permitted provided that the following conditions
008:         * are met:
009:         *
010:         * 1. Redistributions of source code must retain the above copyright
011:         *    notice, this list of conditions and the following disclaimer.
012:         *
013:         * 2. Redistributions in binary form must reproduce the above copyright
014:         *    notice, this list of conditions and the following disclaimer in
015:         *    the documentation and/or other materials provided with the
016:         *    distribution.
017:         *
018:         * 3. The end-user documentation included with the redistribution,
019:         *    if any, must include the following acknowledgment:
020:         *       "This product includes software developed by the
021:         *        JRefactory (http://www.sourceforge.org/projects/jrefactory)."
022:         *    Alternately, this acknowledgment may appear in the software itself,
023:         *    if and wherever such third-party acknowledgments normally appear.
024:         *
025:         * 4. The names "JRefactory" must not be used to endorse or promote
026:         *    products derived from this software without prior written
027:         *    permission. For written permission, please contact seguin@acm.org.
028:         *
029:         * 5. Products derived from this software may not be called "JRefactory",
030:         *    nor may "JRefactory" appear in their name, without prior written
031:         *    permission of Chris Seguin.
032:         *
033:         * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
034:         * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
035:         * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
036:         * DISCLAIMED.  IN NO EVENT SHALL THE CHRIS SEGUIN OR
037:         * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
038:         * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
039:         * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
040:         * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
041:         * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
042:         * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
043:         * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
044:         * SUCH DAMAGE.
045:         * ====================================================================
046:         *
047:         * This software consists of voluntary contributions made by many
048:         * individuals on behalf of JRefactory.  For more information on
049:         * JRefactory, please see
050:         * <http://www.sourceforge.org/projects/jrefactory>.
051:         */
052:        package org.acm.seguin.summary;
053:
054:        import java.io.File;
055:        import java.io.IOException;
056:        import java.util.Iterator;
057:        import java.util.StringTokenizer;
058:        import org.acm.seguin.io.DirectoryTreeTraversal;
059:        import org.acm.seguin.summary.load.LoadStatus;
060:        import org.acm.seguin.summary.load.SwingLoadStatus;
061:        import org.acm.seguin.util.FileSettings;
062:        import org.acm.seguin.util.MissingSettingsException;
063:
064:        /**
065:         *  Summarizes a directory structure
066:         *
067:         *@author     Chris Seguin
068:         *@author     Mike Atkinson
069:         *@created    June 6, 1999
070:         */
071:        public class SummaryTraversal extends DirectoryTreeTraversal {
072:            private String root;
073:            private String blockDirectories;
074:            private LoadStatus status;
075:            private static FrameworkLoader framework = null;
076:            private boolean useFramework;
077:
078:            /**
079:             *  Traverses a directory tree structure and generates a summary of the
080:             *  classes.
081:             *
082:             *@param  init  the initial directory
083:             */
084:            public SummaryTraversal(String init) {
085:                this (init, null, true);
086:            }
087:
088:            /**
089:             *  Traverses a directory tree structure and generates a summary of the
090:             *  classes.
091:             *
092:             *@param  init          the initial directory
093:             *@param  initStatus    Description of Parameter     
094:             */
095:
096:            public SummaryTraversal(String init, LoadStatus initStatus) {
097:                this (init, initStatus, true);
098:            }
099:
100:            /**
101:             *  Traverses a directory tree structure and generates a summary of the
102:             *  classes.
103:             *
104:             *@param  init          the initial directory
105:             *@param  initStatus    Description of Parameter
106:             *@param  useFramework  use the framework (i.e. load JDK stubs)
107:             */
108:            public SummaryTraversal(String init, LoadStatus initStatus,
109:                    boolean useFramework) {
110:                super (init);
111:                root = init;
112:                status = initStatus;
113:                if (status == null) {
114:                    status = new SwingLoadStatus();
115:                }
116:                this .useFramework = useFramework;
117:                if (useFramework) {
118:                    if (framework == null) {
119:                        framework = new FrameworkFileSummaryLoader(status);
120:                    }
121:                }
122:
123:                try {
124:                    FileSettings umlBundle = FileSettings
125:                            .getRefactorySettings("uml");
126:                    umlBundle.setContinuallyReload(true);
127:                    blockDirectories = umlBundle.getString("skip.dir");
128:                    if (blockDirectories == null) {
129:                        blockDirectories = "";
130:                    } else {
131:                        blockDirectories = blockDirectories.trim();
132:                        if (blockDirectories == null) {
133:                            blockDirectories = "";
134:                        }
135:                    }
136:                } catch (MissingSettingsException mse) {
137:                    blockDirectories = "";
138:                }
139:            }
140:
141:            /**
142:             *  Method that starts the traversal to generate the summaries.
143:             */
144:            public void run() {
145:                //System.out.println("SummaryTraversal.run() thread="+Thread.currentThread());
146:                if (useFramework) {
147:                    framework.run();
148:                }
149:
150:                File temp = new File(root);
151:                String dir = null;
152:                try {
153:                    dir = temp.getCanonicalPath();
154:                } catch (IOException ioe) {
155:                    dir = temp.getPath();
156:                }
157:
158:                status.setRoot(dir);
159:                FileSummary.removeDeletedSummaries();
160:                super .run();
161:                status.done();
162:            }
163:
164:            /**
165:             *  Determines if this file should be handled by this traversal
166:             *
167:             *@param  currentFile  the current file
168:             *@return              true if the file should be handled
169:             */
170:            protected boolean isTarget(File currentFile) {
171:                String name = currentFile.getName();
172:                int dot = name.indexOf(".");
173:                int java = name.indexOf(".java");
174:
175:                return (dot == java) && name.endsWith(".java");
176:            }
177:
178:            /**
179:             *  Are we allowed to traverse this directory?
180:             *
181:             *@param  currentDirectory  the directory that we are about to enter
182:             *@return                   true if we are allowed to enter it
183:             */
184:            protected boolean isAllowed(File currentDirectory) {
185:                if ((blockDirectories == null)
186:                        || (blockDirectories.length() == 0)) {
187:                    return true;
188:                }
189:
190:                StringTokenizer tok = new StringTokenizer(blockDirectories,
191:                        File.pathSeparator);
192:                while (tok.hasMoreTokens()) {
193:                    String next = tok.nextToken();
194:                    if (currentDirectory.getName().indexOf(next) >= 0) {
195:                        return false;
196:                    }
197:                }
198:
199:                return true;
200:            }
201:
202:            /**
203:             *  Visits the current file
204:             *
205:             *@param  currentFile  the current file
206:             */
207:            protected void visit(File currentFile) {
208:                try {
209:                    status.setCurrentFile(currentFile.getPath());
210:                    FileSummary.getFileSummary(currentFile);
211:
212:                    Thread.currentThread().yield();
213:                } catch (Throwable oops) {
214:                    try {
215:                        System.out.println("\nError loading:  "
216:                                + currentFile.getCanonicalPath());
217:                    } catch (Exception e) {
218:                        System.out.println("\nError loading:  "
219:                                + currentFile.getName());
220:                    }
221:                    oops.printStackTrace(System.out);
222:                }
223:            }
224:
225:            /**
226:             *  Sets the framework loader
227:             *
228:             *@param  value  The new FrameworkLoader value
229:             */
230:            public static void setFrameworkLoader(FrameworkLoader value) {
231:                framework = value;
232:            }
233:
234:            /**
235:             *  Main program
236:             *
237:             *@param  args  the command line arguments
238:             */
239:            public static void main(String[] args) {
240:                if (args.length == 0) {
241:                    (new SummaryTraversal(System.getProperty("user.dir")))
242:                            .run();
243:                } else {
244:                    (new SummaryTraversal(args[0])).run();
245:                }
246:
247:                debug();
248:                System.exit(0);
249:            }
250:
251:            /**
252:             *  Print everything for debugging purposes
253:             */
254:            public static void debug() {
255:                //  Now print everything
256:                PrintVisitor printer = new PrintVisitor();
257:                Iterator iter = PackageSummary.getAllPackages();
258:                while (iter.hasNext()) {
259:                    PackageSummary next = (PackageSummary) iter.next();
260:                    next.accept(printer, "");
261:                }
262:            }
263:        }
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