Source Code Cross Referenced for URIParserUtil.java in  » Web-Services-apache-cxf-2.0.1 » tools-common » org » apache » cxf » tools » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Services apache cxf 2.0.1 » tools common » org.apache.cxf.tools.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Licensed to the Apache Software Foundation (ASF) under one
003:         * or more contributor license agreements. See the NOTICE file
004:         * distributed with this work for additional information
005:         * regarding copyright ownership. The ASF licenses this file
006:         * to you under the Apache License, Version 2.0 (the
007:         * "License"); you may not use this file except in compliance
008:         * with 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,
013:         * software distributed under the License is distributed on an
014:         * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015:         * KIND, either express or implied. See the License for the
016:         * specific language governing permissions and limitations
017:         * under the License.
018:         */package org.apache.cxf.tools.util;
019:
020:        import java.io.File;
021:        import java.net.MalformedURLException;
022:        import java.net.URISyntaxException;
023:        import java.net.URL;
024:        import java.util.ArrayList;
025:        import java.util.Arrays;
026:        import java.util.HashSet;
027:        import java.util.List;
028:        import java.util.Set;
029:        import java.util.StringTokenizer;
030:
031:        public final class URIParserUtil {
032:            private static final Set<String> KEYWORDS = new HashSet<String>(
033:                    Arrays
034:                            .asList(new String[] { "abstract", "boolean",
035:                                    "break", "byte", "case", "catch", "char",
036:                                    "class", "const", "continue", "default",
037:                                    "do", "double", "else", "extends", "final",
038:                                    "finally", "float", "for", "goto", "if",
039:                                    "implements", "import", "instanceof",
040:                                    "int", "interface", "long", "native",
041:                                    "new", "package", "private", "protected",
042:                                    "public", "return", "short", "static",
043:                                    "strictfp", "super", "switch",
044:                                    "synchronized", "this", "throw", "throws",
045:                                    "transient", "try", "void", "volatile",
046:                                    "while", "true", "false", "null", "assert",
047:                                    "enum" }));
048:
049:            private URIParserUtil() {
050:                // complete
051:            }
052:
053:            public static URL[] pathToURLs(String path) {
054:                StringTokenizer st = new StringTokenizer(path,
055:                        File.pathSeparator);
056:                URL[] urls = new URL[st.countTokens()];
057:                int count = 0;
058:                while (st.hasMoreTokens()) {
059:                    File file = new File(st.nextToken());
060:                    URL url = null;
061:                    try {
062:                        url = file.toURI().toURL();
063:                    } catch (MalformedURLException e) {
064:                        e.printStackTrace();
065:                    }
066:                    if (url != null) {
067:                        urls[count++] = url;
068:                    }
069:                }
070:                if (urls.length != count) {
071:                    URL[] tmp = new URL[count];
072:                    System.arraycopy(urls, 0, tmp, 0, count);
073:                    urls = tmp;
074:                }
075:                return urls;
076:            }
077:
078:            public static String parsePackageName(String namespace,
079:                    String defaultPackageName) {
080:                String packageName = (defaultPackageName != null && defaultPackageName
081:                        .trim().length() > 0) ? defaultPackageName : null;
082:
083:                if (packageName == null) {
084:                    packageName = getPackageName(namespace);
085:                }
086:                return packageName;
087:            }
088:
089:            public static String getPackageName(String nameSpaceURI) {
090:                int idx = nameSpaceURI.indexOf(':');
091:                String scheme = "";
092:                if (idx >= 0) {
093:                    scheme = nameSpaceURI.substring(0, idx);
094:                    if ("http".equalsIgnoreCase(scheme)
095:                            || "urn".equalsIgnoreCase(scheme)) {
096:                        nameSpaceURI = nameSpaceURI.substring(idx + 1);
097:                    }
098:                }
099:
100:                List<String> tokens = tokenize(nameSpaceURI, "/: ");
101:                if (tokens.size() == 0) {
102:                    return null;
103:                }
104:
105:                if (tokens.size() > 1) {
106:                    String lastToken = tokens.get(tokens.size() - 1);
107:                    idx = lastToken.lastIndexOf('.');
108:                    if (idx > 0) {
109:                        lastToken = lastToken.substring(0, idx);
110:                        tokens.set(tokens.size() - 1, lastToken);
111:                    }
112:                }
113:
114:                String domain = tokens.get(0);
115:                idx = domain.indexOf(':');
116:                if (idx >= 0) {
117:                    domain = domain.substring(0, idx);
118:                }
119:                List<String> r = reverse(tokenize(domain,
120:                        "urn".equals(scheme) ? ".-" : "."));
121:                if ("www".equalsIgnoreCase(r.get(r.size() - 1))) {
122:                    // remove leading www
123:                    r.remove(r.size() - 1);
124:                }
125:
126:                // replace the domain name with tokenized items
127:                tokens.addAll(1, r);
128:                tokens.remove(0);
129:
130:                // iterate through the tokens and apply xml->java name algorithm
131:                for (int i = 0; i < tokens.size(); i++) {
132:
133:                    // get the token and remove illegal chars
134:                    String token = tokens.get(i);
135:                    token = removeIllegalIdentifierChars(token);
136:
137:                    // this will check for reserved keywords
138:                    if (containsReservedKeywords(token)) {
139:                        token = '_' + token;
140:                    }
141:
142:                    tokens.set(i, token.toLowerCase());
143:                }
144:
145:                // concat all the pieces and return it
146:                return combine(tokens, '.');
147:            }
148:
149:            public static String getNamespace(String packageName) {
150:                if (packageName == null || packageName.length() == 0) {
151:                    return null;
152:                }
153:                StringTokenizer tokenizer = new StringTokenizer(packageName,
154:                        ".");
155:                String[] tokens;
156:                if (tokenizer.countTokens() == 0) {
157:                    tokens = new String[0];
158:                } else {
159:                    tokens = new String[tokenizer.countTokens()];
160:                    for (int i = tokenizer.countTokens() - 1; i >= 0; i--) {
161:                        tokens[i] = tokenizer.nextToken();
162:                    }
163:                }
164:                StringBuffer namespace = new StringBuffer("http://");
165:                String dot = "";
166:                for (int i = 0; i < tokens.length; i++) {
167:                    if (i == 1) {
168:                        dot = ".";
169:                    }
170:                    namespace.append(dot + tokens[i]);
171:                }
172:                namespace.append('/');
173:                return namespace.toString();
174:            }
175:
176:            private static List<String> tokenize(String str, String sep) {
177:                StringTokenizer tokens = new StringTokenizer(str, sep);
178:                List<String> r = new ArrayList<String>();
179:
180:                while (tokens.hasMoreTokens()) {
181:                    r.add(tokens.nextToken());
182:                }
183:                return r;
184:            }
185:
186:            private static String removeIllegalIdentifierChars(String token) {
187:                StringBuffer newToken = new StringBuffer();
188:                for (int i = 0; i < token.length(); i++) {
189:                    char c = token.charAt(i);
190:
191:                    if (i == 0 && !Character.isJavaIdentifierStart(c)) {
192:                        // prefix an '_' if the first char is illegal
193:                        newToken.append("_" + c);
194:                    } else if (!Character.isJavaIdentifierPart(c)) {
195:                        // replace the char with an '_' if it is illegal
196:                        newToken.append('_');
197:                    } else {
198:                        // add the legal char
199:                        newToken.append(c);
200:                    }
201:                }
202:                return newToken.toString();
203:            }
204:
205:            private static String combine(List r, char sep) {
206:                StringBuilder buf = new StringBuilder(r.get(0).toString());
207:
208:                for (int i = 1; i < r.size(); i++) {
209:                    buf.append(sep);
210:                    buf.append(r.get(i));
211:                }
212:
213:                return buf.toString();
214:            }
215:
216:            private static <T> List<T> reverse(List<T> a) {
217:                List<T> r = new ArrayList<T>();
218:
219:                for (int i = a.size() - 1; i >= 0; i--) {
220:                    r.add(a.get(i));
221:                }
222:                return r;
223:            }
224:
225:            public static boolean containsReservedKeywords(String token) {
226:                return KEYWORDS.contains(token);
227:            }
228:
229:            public static String normalize(final String uri) {
230:                URL url = null;
231:                try {
232:                    url = new URL(uri);
233:                    return url.toString().replace("\\", "/");
234:                } catch (MalformedURLException e1) {
235:                    try {
236:                        String f = null;
237:                        if (uri.indexOf(":") != -1 && !uri.startsWith("/")) {
238:                            f = "file:/" + uri;
239:                        } else {
240:                            f = "file:" + uri;
241:                        }
242:
243:                        url = new URL(f);
244:                        return url.toString().replace("\\", "/");
245:                    } catch (MalformedURLException e2) {
246:                        return uri.replace("\\", "/");
247:                    }
248:                }
249:            }
250:
251:            public static String getAbsoluteURI(final String arg) {
252:                if (arg == null) {
253:                    return null;
254:                }
255:
256:                try {
257:                    URL url = new URL(normalize(arg));
258:                    if (url.toURI().isOpaque()
259:                            && "file".equalsIgnoreCase(url.getProtocol())) {
260:                        return new File("").toURI().resolve(url.getPath())
261:                                .toString();
262:                    } else {
263:                        return normalize(arg);
264:                    }
265:                } catch (MalformedURLException e1) {
266:                    return normalize(arg);
267:                } catch (URISyntaxException e2) {
268:                    return normalize(arg);
269:                }
270:            }
271:        }
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