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.*;
055: import java.util.Iterator;
056: import org.acm.seguin.tools.stub.StubFile;
057: import org.acm.seguin.tools.stub.StubGenerator;
058: import org.acm.seguin.summary.load.LoadStatus;
059: import org.acm.seguin.summary.load.TextLoadStatus;
060: import org.acm.seguin.util.FileSettings;
061: import org.acm.seguin.util.MissingSettingsException;
062: import org.acm.seguin.awt.ExceptionPrinter;
063:
064: /**
065: * Loads the file summaries for the framework files
066: *
067: *@author Chris Seguin
068: *@created August 23, 1999
069: */
070: public class FrameworkFileSummaryLoader extends FrameworkLoader {
071: private File directory;
072: private boolean loaded;
073: private LoadStatus status;
074:
075: /**
076: * Constructor for the FrameworkFileSummaryLoader object
077: *
078: *@param init Description of Parameter
079: */
080: public FrameworkFileSummaryLoader(LoadStatus init) {
081: status = init;
082: try {
083: FileSettings umlBundle = FileSettings
084: .getRefactorySettings("uml");
085: directory = new File(umlBundle.getString("stub.dir")
086: + File.separator + ".Refactory");
087: } catch (MissingSettingsException mse) {
088: directory = FileSettings.getRefactorySettingsRoot();
089: }
090: loaded = false;
091: }
092:
093: /**
094: * Main processing method for the FrameworkFileSummaryLoader object
095: */
096: public void run() {
097: if (loaded) {
098: return;
099: }
100:
101: StubGenerator.waitForLoaded();
102:
103: PackageSummary.getPackageSummary("java.lang");
104:
105: System.out.println("directory=" + directory);
106: StubFile.waitForCreation();
107:
108: loaded = true;
109: String[] filenames = directory.list();
110: if (filenames == null) {
111: return;
112: }
113:
114: for (int ndx = 0; ndx < filenames.length; ndx++) {
115: if (filenames[ndx].endsWith(".stub")) {
116: loadFile(filenames[ndx]);
117: }
118: }
119: }
120:
121: /**
122: * Gets the InputReader attribute of the FrameworkFileSummaryLoader object
123: *
124: *@param filename Description of Parameter
125: *@return The InputReader value
126: *@exception IOException Description of Exception
127: */
128: private Reader getInputReader(String filename) throws IOException {
129: return new BufferedReader(new FileReader(new File(directory,
130: filename)));
131: }
132:
133: /**
134: * Gets the TypeName attribute of the FrameworkFileSummaryLoader object
135: *
136: *@param summary Description of Parameter
137: *@return The TypeName value
138: */
139: private String getTypeName(FileSummary summary) {
140: if (summary == null) {
141: return "No summary";
142: }
143:
144: Iterator iter = summary.getTypes();
145: if (iter == null) {
146: return "No types";
147: }
148:
149: TypeSummary first = (TypeSummary) iter.next();
150: String name = first.getName();
151: if (name == null) {
152: return "No name";
153: }
154:
155: return name;
156: }
157:
158: /**
159: * Loads a stub file
160: *
161: *@param filename The name of the file to load
162: */
163: private void loadFile(String filename) {
164: try {
165: status.setRoot(filename);
166: Reader input = getInputReader(filename);
167: String buffer = loadBuffer(input);
168:
169: while (buffer.length() > 0) {
170: FileSummary summary = FileSummary
171: .getFileSummary(buffer);
172: status.setCurrentFile(getTypeName(summary));
173: buffer = loadBuffer(input);
174:
175: Thread.currentThread().yield();
176: }
177: } catch (IOException ioe) {
178: ExceptionPrinter.print(ioe, false);
179: }
180: }
181:
182: /**
183: * Description of the Method
184: *
185: *@param input Description of Parameter
186: *@return Description of the Returned Value
187: *@exception IOException Description of Exception
188: */
189: private String loadBuffer(Reader input) throws IOException {
190: StringBuffer buffer = new StringBuffer();
191: int next = input.read();
192: while ((next >= 0) && (next != '|') && input.ready()) {
193: buffer.append((char) next);
194: next = input.read();
195: }
196:
197: return buffer.toString().trim();
198: }
199:
200: /**
201: * The main program for the FrameworkFileSummaryLoader class
202: *
203: *@param args The command line arguments
204: */
205: public static void main(String[] args) {
206: (new FrameworkFileSummaryLoader(new TextLoadStatus())).run();
207: }
208: }
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