Source Code Cross Referenced for URISupport.java in  » J2EE » openejb3 » org » apache » openejb » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » J2EE » openejb3 » org.apache.openejb.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         *
003:         * Licensed to the Apache Software Foundation (ASF) under one or more
004:         * contributor license agreements.  See the NOTICE file distributed with
005:         * this work for additional information regarding copyright ownership.
006:         * The ASF licenses this file to You under the Apache License, Version 2.0
007:         * (the "License"); you may not use this file except in compliance with
008:         * the License.  You may obtain a copy of the License at
009:         *
010:         * http://www.apache.org/licenses/LICENSE-2.0
011:         *
012:         * Unless required by applicable law or agreed to in writing, software
013:         * distributed under the License is distributed on an "AS IS" BASIS,
014:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015:         * See the License for the specific language governing permissions and
016:         * limitations under the License.
017:         */package org.apache.openejb.util;
018:
019:        import java.io.UnsupportedEncodingException;
020:        import java.net.URI;
021:        import java.net.URISyntaxException;
022:        import java.net.URLDecoder;
023:        import java.net.URLEncoder;
024:        import java.util.ArrayList;
025:        import java.util.Arrays;
026:        import java.util.Collections;
027:        import java.util.HashMap;
028:        import java.util.Iterator;
029:        import java.util.LinkedHashMap;
030:        import java.util.List;
031:        import java.util.Map;
032:
033:        /**
034:         * Swiped verbatim from ActiveMQ... the URI kings.
035:         *
036:         * URI relativize(URI, URI) added afterwards to deal with the
037:         * non-functional URI.relativize(URI) method
038:         */
039:        public class URISupport {
040:
041:            /**
042:             * URI absoluteA = new URI("/Users/dblevins/work/openejb3/container/openejb-jee/apple/");
043:             * URI absoluteB = new URI("/Users/dblevins/work/openejb3/container/openejb-core/foo.jar");
044:             *
045:             * URI relativeB = URISupport.relativize(absoluteA, absoluteB);
046:             *
047:             * assertEquals("../../openejb-core/foo.jar", relativeB.toString());
048:             *
049:             * URI resolvedB = absoluteA.resolve(relativeB);
050:             * assertTrue(resolvedB.equals(absoluteB));
051:             *
052:             * @param a
053:             * @param b
054:             * @return relative b
055:             */
056:            public static URI relativize(URI a, URI b) {
057:                if (a == null || b == null)
058:                    return b;
059:
060:                if (!a.isAbsolute() && b.isAbsolute())
061:                    return b;
062:
063:                if (!b.isAbsolute())
064:                    b = a.resolve(b);
065:
066:                List<String> pathA = Arrays.asList(a.getPath().split("/"));
067:                List<String> pathB = Arrays.asList(b.getPath().split("/"));
068:
069:                int limit = Math.min(pathA.size(), pathB.size());
070:
071:                int lastMatch = 0;
072:                while (lastMatch < limit) {
073:                    String aa = pathA.get(lastMatch);
074:                    String bb = pathB.get(lastMatch);
075:                    if (aa.equals(bb))
076:                        lastMatch++;
077:                    else
078:                        break;
079:                }
080:
081:                List<String> path = new ArrayList<String>();
082:                for (int x = pathA.size() - lastMatch; x > 0; x--) {
083:                    path.add("..");
084:                }
085:
086:                List<String> remaining = pathB.subList(lastMatch, pathB.size());
087:                path.addAll(remaining);
088:
089:                try {
090:                    return new URI(null, null, Join.join("/", path), b
091:                            .getQuery(), b.getFragment());
092:                } catch (URISyntaxException e) {
093:                    throw new IllegalArgumentException(e);
094:                }
095:            }
096:
097:            public static class CompositeData {
098:                String scheme;
099:                String path;
100:                URI components[];
101:                Map parameters;
102:                String fragment;
103:                public String host;
104:
105:                public URI[] getComponents() {
106:                    return components;
107:                }
108:
109:                public String getFragment() {
110:                    return fragment;
111:                }
112:
113:                public Map getParameters() {
114:                    return parameters;
115:                }
116:
117:                public String getScheme() {
118:                    return scheme;
119:                }
120:
121:                public String getPath() {
122:                    return path;
123:                }
124:
125:                public String getHost() {
126:                    return host;
127:                }
128:
129:                public URI toURI() throws URISyntaxException {
130:                    StringBuffer sb = new StringBuffer();
131:                    if (scheme != null) {
132:                        sb.append(scheme);
133:                        sb.append(':');
134:                    }
135:
136:                    if (host != null && host.length() != 0) {
137:                        sb.append(host);
138:                    } else {
139:                        sb.append('(');
140:                        for (int i = 0; i < components.length; i++) {
141:                            if (i != 0)
142:                                sb.append(',');
143:                            sb.append(components[i].toString());
144:                        }
145:                        sb.append(')');
146:                    }
147:
148:                    if (path != null) {
149:                        sb.append('/');
150:                        sb.append(path);
151:                    }
152:                    if (!parameters.isEmpty()) {
153:                        sb.append("?");
154:                        sb.append(createQueryString(parameters));
155:                    }
156:                    if (fragment != null) {
157:                        sb.append("#");
158:                        sb.append(fragment);
159:                    }
160:                    return new URI(sb.toString());
161:                }
162:            }
163:
164:            public static Map<String, String> parseQuery(String uri)
165:                    throws URISyntaxException {
166:                try {
167:                    Map<String, String> rc = new LinkedHashMap<String, String>();
168:                    if (uri != null) {
169:                        String[] parameters = uri.split("&");
170:                        for (int i = 0; i < parameters.length; i++) {
171:                            int p = parameters[i].indexOf("=");
172:                            if (p >= 0) {
173:                                String name = URLDecoder.decode(parameters[i]
174:                                        .substring(0, p), "UTF-8");
175:                                String value = URLDecoder.decode(parameters[i]
176:                                        .substring(p + 1), "UTF-8");
177:                                rc.put(name, value);
178:                            } else {
179:                                rc.put(parameters[i], null);
180:                            }
181:                        }
182:                    }
183:                    return rc;
184:                } catch (UnsupportedEncodingException e) {
185:                    throw (URISyntaxException) new URISyntaxException(e
186:                            .toString(), "Invalid encoding").initCause(e);
187:                }
188:            }
189:
190:            public static Map<String, String> parseParamters(URI uri)
191:                    throws URISyntaxException {
192:                return uri.getQuery() == null ? Collections.EMPTY_MAP
193:                        : parseQuery(stripPrefix(uri.getQuery(), "?"));
194:            }
195:
196:            /**
197:             * Removes any URI query from the given uri
198:             */
199:            public static URI removeQuery(URI uri) throws URISyntaxException {
200:                return createURIWithQuery(uri, null);
201:            }
202:
203:            /**
204:             * Creates a URI with the given query
205:             */
206:            public static URI createURIWithQuery(URI uri, String query)
207:                    throws URISyntaxException {
208:                return new URI(uri.getScheme(), uri.getUserInfo(), uri
209:                        .getHost(), uri.getPort(), uri.getPath(), query, uri
210:                        .getFragment());
211:            }
212:
213:            public static CompositeData parseComposite(URI uri)
214:                    throws URISyntaxException {
215:
216:                CompositeData rc = new CompositeData();
217:                rc.scheme = uri.getScheme();
218:                String ssp = stripPrefix(uri.getSchemeSpecificPart().trim(),
219:                        "//").trim();
220:
221:                parseComposite(uri, rc, ssp);
222:
223:                rc.fragment = uri.getFragment();
224:                return rc;
225:            }
226:
227:            private static void parseComposite(URI uri, CompositeData rc,
228:                    String ssp) throws URISyntaxException {
229:                String componentString;
230:                String params;
231:
232:                if (!checkParenthesis(ssp)) {
233:                    throw new URISyntaxException(uri.toString(),
234:                            "Not a matching number of '(' and ')' parenthesis");
235:                }
236:
237:                int p;
238:                int intialParen = ssp.indexOf("(");
239:                if (intialParen == 0) {
240:                    rc.host = ssp.substring(0, intialParen);
241:                    p = rc.host.indexOf("/");
242:                    if (p >= 0) {
243:                        rc.path = rc.host.substring(p);
244:                        rc.host = rc.host.substring(0, p);
245:                    }
246:                    p = ssp.lastIndexOf(")");
247:                    componentString = ssp.substring(intialParen + 1, p);
248:                    params = ssp.substring(p + 1).trim();
249:
250:                } else {
251:                    componentString = ssp;
252:                    params = "";
253:                }
254:
255:                String components[] = splitComponents(componentString);
256:                rc.components = new URI[components.length];
257:                for (int i = 0; i < components.length; i++) {
258:                    rc.components[i] = new URI(components[i].trim());
259:                }
260:
261:                p = params.indexOf("?");
262:                if (p >= 0) {
263:                    if (p > 0) {
264:                        rc.path = stripPrefix(params.substring(0, p), "/");
265:                    }
266:                    rc.parameters = parseQuery(params.substring(p + 1));
267:                } else {
268:                    if (params.length() > 0)
269:                        rc.path = stripPrefix(params, "/");
270:                    rc.parameters = new LinkedHashMap();
271:                }
272:            }
273:
274:            private static String[] splitComponents(String str) {
275:                ArrayList<String> l = new ArrayList<String>();
276:
277:                int last = 0;
278:                int depth = 0;
279:                char chars[] = str.toCharArray();
280:                for (int i = 0; i < chars.length; i++) {
281:                    switch (chars[i]) {
282:                    case '(':
283:                        depth++;
284:                        break;
285:                    case ')':
286:                        depth--;
287:                        break;
288:                    case ',':
289:                        if (depth == 0) {
290:                            String s = str.substring(last, i);
291:                            l.add(s);
292:                            last = i + 1;
293:                        }
294:                    }
295:                }
296:
297:                String s = str.substring(last);
298:                if (s.length() != 0)
299:                    l.add(s);
300:
301:                String rc[] = new String[l.size()];
302:                l.toArray(rc);
303:                return rc;
304:            }
305:
306:            public static String stripPrefix(String value, String prefix) {
307:                if (value.startsWith(prefix))
308:                    return value.substring(prefix.length());
309:                return value;
310:            }
311:
312:            public static URI stripScheme(URI uri) throws URISyntaxException {
313:                return new URI(stripPrefix(uri.getRawSchemeSpecificPart()
314:                        .trim(), "//"));
315:            }
316:
317:            public static String createQueryString(Map options)
318:                    throws URISyntaxException {
319:                try {
320:                    if (options.size() > 0) {
321:                        StringBuffer rc = new StringBuffer();
322:                        boolean first = true;
323:                        for (Iterator iter = options.keySet().iterator(); iter
324:                                .hasNext();) {
325:                            if (first)
326:                                first = false;
327:                            else
328:                                rc.append("&");
329:
330:                            String key = (String) iter.next();
331:                            String value = (String) options.get(key);
332:                            rc.append(URLEncoder.encode(key, "UTF-8"));
333:                            rc.append("=");
334:                            rc.append(URLEncoder.encode(value, "UTF-8"));
335:                        }
336:                        return rc.toString();
337:                    } else {
338:                        return "";
339:                    }
340:                } catch (UnsupportedEncodingException e) {
341:                    throw (URISyntaxException) new URISyntaxException(e
342:                            .toString(), "Invalid encoding").initCause(e);
343:                }
344:            }
345:
346:            /**
347:             * Creates a URI from the original URI and the remaining paramaters
348:             * @throws URISyntaxException
349:             */
350:            public static URI createRemainingURI(URI originalURI, Map params)
351:                    throws URISyntaxException {
352:                String s = createQueryString(params);
353:                if (s.length() == 0)
354:                    s = null;
355:                return createURIWithQuery(originalURI, s);
356:            }
357:
358:            static public URI changeScheme(URI bindAddr, String scheme)
359:                    throws URISyntaxException {
360:                return new URI(scheme, bindAddr.getUserInfo(), bindAddr
361:                        .getHost(), bindAddr.getPort(), bindAddr.getPath(),
362:                        bindAddr.getQuery(), bindAddr.getFragment());
363:            }
364:
365:            public static boolean checkParenthesis(String str) {
366:                boolean result = true;
367:                if (str != null) {
368:                    int open = 0;
369:                    int closed = 0;
370:
371:                    int i = 0;
372:                    while ((i = str.indexOf('(', i)) >= 0) {
373:                        i++;
374:                        open++;
375:                    }
376:                    i = 0;
377:                    while ((i = str.indexOf(')', i)) >= 0) {
378:                        i++;
379:                        closed++;
380:                    }
381:                    result = open == closed;
382:                }
383:                return result;
384:            }
385:
386:            public int indexOfParenthesisMatch(String str) {
387:                int result = -1;
388:
389:                return result;
390:            }
391:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.