001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.upgrade;
043:
044: import java.io.*;
045: import java.util.*;
046: import java.util.jar.*;
047: import java.util.regex.*;
048: import org.openide.util.Union2;
049:
050: /** A test that is initialized based on includes and excludes.
051: *
052: * @author Jaroslav Tulach
053: */
054: final class IncludeExclude extends AbstractSet {
055: /** List<Boolean and Pattern>
056: */
057: private List<Union2<Boolean, Pattern>> patterns = new ArrayList<Union2<Boolean, Pattern>>();
058:
059: private IncludeExclude() {
060: }
061:
062: /** Reads the include/exclude set from a given reader.
063: * @param r reader
064: * @return set that accepts names based on include exclude from the file
065: */
066: public static Set create(Reader r) throws IOException {
067: IncludeExclude set = new IncludeExclude();
068:
069: BufferedReader buf = new BufferedReader(r);
070: for (;;) {
071: String line = buf.readLine();
072: if (line == null)
073: break;
074:
075: line = line.trim();
076: if (line.length() == 0 || line.startsWith("#")) {
077: continue;
078: }
079:
080: Boolean plus;
081: if (line.startsWith("include ")) {
082: line = line.substring(8);
083: plus = Boolean.TRUE;
084: } else {
085: if (line.startsWith("exclude ")) {
086: line = line.substring(8);
087: plus = Boolean.FALSE;
088: } else {
089: throw new java.io.IOException("Wrong line: " + line);
090: }
091: }
092:
093: Pattern p = Pattern.compile(line);
094:
095: set.patterns.add(Union2
096: .<Boolean, Pattern> createFirst(plus));
097: set.patterns.add(Union2.<Boolean, Pattern> createSecond(p));
098: }
099:
100: return set;
101: }
102:
103: public Iterator iterator() {
104: return null;
105: }
106:
107: public int size() {
108: return 0;
109: }
110:
111: public boolean contains(Object o) {
112: String s = (String) o;
113:
114: boolean yes = false;
115:
116: Iterator<Union2<Boolean, Pattern>> it = patterns.iterator();
117: while (it.hasNext()) {
118: Boolean include = it.next().first();
119: Pattern p = it.next().second();
120:
121: Matcher m = p.matcher(s);
122: if (m.matches()) {
123: yes = include.booleanValue();
124: }
125: }
126:
127: return yes;
128: }
129:
130: }
|