Source Code Cross Referenced for TagSwapperHelper.java in  » Portal » Open-Portal » com » sun » portal » desktop » template » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » Open Portal » com.sun.portal.desktop.template 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * $Id: TagSwapperHelper.java,v 1.6 2005/03/18 06:15:27 sc135395 Exp $
003:         * Copyright 2002 Sun Microsystems, Inc. All
004:         * rights reserved. Use of this product is subject
005:         * to license terms. Federal Acquisitions:
006:         * Commercial Software -- Government Users
007:         * Subject to Standard License Terms and
008:         * Conditions.
009:         *
010:         * Sun, Sun Microsystems, the Sun logo, and Sun ONE
011:         * are trademarks or registered trademarks of Sun Microsystems,
012:         * Inc. in the United States and other countries.
013:         */package com.sun.portal.desktop.template;
014:
015:        import java.util.ArrayList;
016:        import java.util.HashMap;
017:        import java.io.File;
018:
019:        import com.sun.portal.desktop.DesktopError;
020:
021:        import com.sun.portal.desktop.context.DesktopAppContextThreadLocalizer;
022:        import com.sun.portal.desktop.context.DesktopAppContext;
023:
024:        public class TagSwapperHelper {
025:            private static final String TAG = "tag:";
026:            private static final int TAG_LENGTH = TAG.length();
027:            private static final String URL = "url:";
028:            private static final int URL_LENGTH = URL.length();
029:            private static final String SURL = "surl:";
030:            private static final int SURL_LENGTH = SURL.length();
031:            private static final String DTURL = "dturl";
032:            private static final int DTURL_LENGTH = DTURL.length();
033:            private static final String DTAG = "dtag:";
034:            private static final int DTAG_LENGTH = DTAG.length();
035:            private static final String MSG = "msg:";
036:            private static final int MSG_LENGTH = MSG.length();
037:
038:            private static boolean tagEquals(StringBuffer b, String tag,
039:                    int start, int length) {
040:                for (int i = 0; i < length; i++) {
041:                    if (tag.charAt(i) != b.charAt(start + i)) {
042:                        return false;
043:                    }
044:                }
045:
046:                return true;
047:            }
048:
049:            public static void parseTemplate(StringBuffer in,
050:                    ParsedTagArray result) {
051:                if (in != null) {
052:                    int len = in.length();
053:                    if (len == 0) {
054:                        return;
055:                    } else {
056:                        char ch;
057:                        int tokenType = ParsedTagElement.STRING;
058:                        StringBuffer token = new StringBuffer(len);
059:                        ParsedTagElement tagElement = null;
060:
061:                        for (int i = 0; i < len; i++) {
062:
063:                            ch = in.charAt(i);
064:                            switch (ch) {
065:
066:                            case '[':
067:                                if ((i + DTAG_LENGTH < len)
068:                                        && tagEquals(in, DTAG, i + 1,
069:                                                DTAG_LENGTH)) {
070:                                    if ((token.length() > 0)
071:                                            && (tokenType == ParsedTagElement.STRING)) {
072:                                        result.appendParsedElement(
073:                                                ParsedTagElement.STRING, token
074:                                                        .toString());
075:                                    }
076:                                    tokenType = ParsedTagElement.DTAG;
077:                                    token = new StringBuffer(len);
078:                                    i = i + DTAG_LENGTH;
079:
080:                                } else if ((i + TAG_LENGTH < len)
081:                                        && tagEquals(in, TAG, i + 1, TAG_LENGTH)) {
082:                                    if ((token.length() > 0)
083:                                            && (tokenType == ParsedTagElement.STRING)) {
084:                                        result.appendParsedElement(
085:                                                ParsedTagElement.STRING, token
086:                                                        .toString());
087:                                    } else if ((token.length() > 0)
088:                                            && (tokenType == ParsedTagElement.DTAG)) {
089:                                        tagElement = new ParsedTagElement(
090:                                                ParsedTagElement.TAG, token
091:                                                        .toString());
092:                                    }
093:                                    tokenType = ParsedTagElement.TAG;
094:                                    token = new StringBuffer(len);
095:                                    i = i + TAG_LENGTH;
096:                                } else if ((i + URL_LENGTH < len)
097:                                        && tagEquals(in, URL, i + 1, URL_LENGTH)) {
098:                                    if ((token.length() > 0)
099:                                            && (tokenType == ParsedTagElement.STRING)) {
100:                                        result.appendParsedElement(
101:                                                ParsedTagElement.STRING, token
102:                                                        .toString());
103:                                    } else if ((token.length() > 0)
104:                                            && (tokenType == ParsedTagElement.DTAG)) {
105:                                        tagElement = new ParsedTagElement(
106:                                                ParsedTagElement.TAG, token
107:                                                        .toString());
108:                                    }
109:                                    tokenType = ParsedTagElement.URL;
110:                                    token = new StringBuffer(len);
111:                                    i = i + URL_LENGTH;
112:                                } else if ((i + SURL_LENGTH < len)
113:                                        && tagEquals(in, SURL, i + 1,
114:                                                SURL_LENGTH)) {
115:                                    if ((token.length() > 0)
116:                                            && (tokenType == ParsedTagElement.STRING)) {
117:                                        result.appendParsedElement(
118:                                                ParsedTagElement.STRING, token
119:                                                        .toString());
120:                                    } else if ((token.length() > 0)
121:                                            && (tokenType == ParsedTagElement.DTAG)) {
122:                                        tagElement = new ParsedTagElement(
123:                                                ParsedTagElement.TAG, token
124:                                                        .toString());
125:                                    }
126:                                    tokenType = ParsedTagElement.SURL;
127:                                    token = new StringBuffer(len);
128:                                    i = i + SURL_LENGTH;
129:                                } else if ((i + DTURL_LENGTH < len)
130:                                        && tagEquals(in, DTURL, i + 1,
131:                                                DTURL_LENGTH)) {
132:                                    if ((token.length() > 0)
133:                                            && (tokenType == ParsedTagElement.STRING)) {
134:                                        result.appendParsedElement(
135:                                                ParsedTagElement.STRING, token
136:                                                        .toString());
137:                                    } else if ((token.length() > 0)
138:                                            && (tokenType == ParsedTagElement.DTAG)) {
139:                                        tagElement = new ParsedTagElement(
140:                                                ParsedTagElement.TAG, token
141:                                                        .toString());
142:                                    }
143:                                    tokenType = ParsedTagElement.DTURL;
144:                                    token = new StringBuffer(len);
145:                                    i = i + DTURL_LENGTH;
146:                                } else if ((i + MSG_LENGTH < len)
147:                                        && tagEquals(in, MSG, i + 1, MSG_LENGTH)) {
148:                                    if ((token.length() > 0)
149:                                            && (tokenType == ParsedTagElement.STRING)) {
150:                                        result.appendParsedElement(
151:                                                ParsedTagElement.STRING, token
152:                                                        .toString());
153:                                    } else if ((token.length() > 0)
154:                                            && (tokenType == ParsedTagElement.DTAG)) {
155:                                        tagElement = new ParsedTagElement(
156:                                                ParsedTagElement.TAG, token
157:                                                        .toString());
158:                                    }
159:                                    tokenType = ParsedTagElement.MSG;
160:                                    token = new StringBuffer(len);
161:                                    i = i + MSG_LENGTH;
162:                                } else {
163:                                    token.append(ch);
164:                                }
165:                                break;
166:
167:                            case ']':
168:                                if (tokenType == ParsedTagElement.TAG) {
169:                                    if ((token.length() > 0)
170:                                            && (tokenType == ParsedTagElement.TAG)) {
171:                                        if (tagElement != null) {
172:                                            ParsedTagElement pElement = new ParsedTagElement(
173:                                                    ParsedTagElement.TAG, token
174:                                                            .toString());
175:                                            tagElement.setDefault(pElement);
176:                                            result
177:                                                    .appendParsedElement(tagElement);
178:                                            tagElement = null;
179:                                        } else {
180:                                            result.appendParsedElement(
181:                                                    ParsedTagElement.TAG, token
182:                                                            .toString());
183:                                        }
184:                                    }
185:                                    tokenType = ParsedTagElement.STRING;
186:                                    token = new StringBuffer(len);
187:                                } else if (tokenType == ParsedTagElement.URL) {
188:                                    if ((token.length() > 0)
189:                                            && (tokenType == ParsedTagElement.URL)) {
190:                                        if (tagElement != null) {
191:                                            ParsedTagElement pElement = new ParsedTagElement(
192:                                                    ParsedTagElement.URL, token
193:                                                            .toString());
194:                                            tagElement.setDefault(pElement);
195:                                            result
196:                                                    .appendParsedElement(tagElement);
197:                                            tagElement = null;
198:                                        } else {
199:                                            result.appendParsedElement(
200:                                                    ParsedTagElement.URL, token
201:                                                            .toString());
202:                                        }
203:                                    }
204:                                    tokenType = ParsedTagElement.STRING;
205:                                    token = new StringBuffer(len);
206:                                } else if (tokenType == ParsedTagElement.SURL) {
207:                                    if ((token.length() > 0)
208:                                            && (tokenType == ParsedTagElement.SURL)) {
209:                                        if (tagElement != null) {
210:                                            ParsedTagElement pElement = new ParsedTagElement(
211:                                                    ParsedTagElement.SURL,
212:                                                    token.toString());
213:                                            tagElement.setDefault(pElement);
214:                                            result
215:                                                    .appendParsedElement(tagElement);
216:                                            tagElement = null;
217:                                        } else {
218:                                            result.appendParsedElement(
219:                                                    ParsedTagElement.SURL,
220:                                                    token.toString());
221:                                        }
222:
223:                                    }
224:                                    tokenType = ParsedTagElement.STRING;
225:                                    token = new StringBuffer(len);
226:                                } else if (tokenType == ParsedTagElement.DTURL) {
227:                                    if (tagElement != null) {
228:                                        ParsedTagElement pElement = new ParsedTagElement(
229:                                                ParsedTagElement.DTURL, token
230:                                                        .toString());
231:                                        tagElement.setDefault(pElement);
232:                                        result.appendParsedElement(tagElement);
233:                                        tagElement = null;
234:                                    } else {
235:                                        result.appendParsedElement(
236:                                                ParsedTagElement.DTURL, null);
237:                                    }
238:                                    tokenType = ParsedTagElement.STRING;
239:                                    token = new StringBuffer(len);
240:                                } else if (tokenType == ParsedTagElement.MSG) {
241:                                    if ((token.length() > 0)
242:                                            && (tokenType == ParsedTagElement.MSG)) {
243:                                        if (tagElement != null) {
244:                                            ParsedTagElement pElement = new ParsedTagElement(
245:                                                    ParsedTagElement.MSG, token
246:                                                            .toString());
247:                                            tagElement.setDefault(pElement);
248:                                            result
249:                                                    .appendParsedElement(tagElement);
250:                                            tagElement = null;
251:                                        } else {
252:                                            result.appendParsedElement(
253:                                                    ParsedTagElement.MSG, token
254:                                                            .toString());
255:                                        }
256:                                    }
257:                                    tokenType = ParsedTagElement.STRING;
258:                                    token = new StringBuffer(len);
259:
260:                                } else {
261:                                    token.append(ch);
262:                                }
263:                                break;
264:
265:                            default:
266:                                token.append(ch);
267:                            }
268:                        }
269:                        // Everything not finish up by now will be treated as STRING
270:                        if (token.length() > 0) {
271:                            result.appendParsedElement(ParsedTagElement.STRING,
272:                                    token.toString());
273:                        }
274:                    }
275:                }
276:            }
277:        }
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