Source Code Cross Referenced for JspPlugin.java in  » EJB-Server-resin-3.1.5 » resin » com » caucho » jsp » java » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » resin » com.caucho.jsp.java 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003:         *
004:         * This file is part of Resin(R) Open Source
005:         *
006:         * Each copy or derived work must preserve the copyright notice and this
007:         * notice unmodified.
008:         *
009:         * Resin Open Source is free software; you can redistribute it and/or modify
010:         * it under the terms of the GNU General Public License as published by
011:         * the Free Software Foundation; either version 2 of the License, or
012:         * (at your option) any later version.
013:         *
014:         * Resin Open Source is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017:         * of NON-INFRINGEMENT.  See the GNU General Public License for more
018:         * details.
019:         *
020:         * You should have received a copy of the GNU General Public License
021:         * along with Resin Open Source; if not, write to the
022:         *   Free SoftwareFoundation, Inc.
023:         *   59 Temple Place, Suite 330
024:         *   Boston, MA 02111-1307  USA
025:         *
026:         * @author Scott Ferguson
027:         */
028:
029:        package com.caucho.jsp.java;
030:
031:        import com.caucho.jsp.JspParseException;
032:        import com.caucho.vfs.WriteStream;
033:        import com.caucho.xml.QName;
034:
035:        import java.io.IOException;
036:        import java.util.ArrayList;
037:
038:        /**
039:         * Represents a Java scriptlet.
040:         */
041:        public class JspPlugin extends JspNode {
042:            private static final QName NAME = new QName("name");
043:            private static final QName TYPE = new QName("type");
044:            private static final QName CODE = new QName("code");
045:            private static final QName CODEBASE = new QName("codebase");
046:            private static final QName IEPLUGINURL = new QName("iepluginurl");
047:            private static final QName JREVERSION = new QName("jreversion");
048:            private static final QName NSPLUGINURL = new QName("nspluginurl");
049:            private static final QName WIDTH = new QName("width");
050:            private static final QName HEIGHT = new QName("height");
051:            private static final QName ALIGN = new QName("align");
052:            private static final QName VSPACE = new QName("vspace");
053:            private static final QName HSPACE = new QName("hspace");
054:            private static final QName ARCHIVE = new QName("archive");
055:
056:            static final String IE_CLSID = "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93";
057:            static final String IE_URL = "http://java.sun.com/products/plugin/1.2.2/jinstall-1_2_2-win.cab#Version=1,2,2,0";
058:            static final String NS_URL = "http://java.sun.com/products/plugin/";
059:
060:            private String _name;
061:            private String _type;
062:            private String _code;
063:
064:            private String _jreversion;
065:            private String _nspluginurl;
066:            private String _iepluginurl;
067:
068:            private String _width;
069:            private String _height;
070:            private String _archive;
071:
072:            private ArrayList<String> _attrNames = new ArrayList<String>();
073:            private ArrayList<String> _attrValues = new ArrayList<String>();
074:
075:            private JspParams _params;
076:
077:            private JspFallback _fallback;
078:
079:            /**
080:             * Adds an attribute.
081:             */
082:            public void addAttribute(QName name, String value)
083:                    throws JspParseException {
084:                if (NAME.equals(name)) {
085:                    _name = value;
086:
087:                    checkForbidExpression("name", value);
088:                } else if (TYPE.equals(name)) {
089:                    _type = value;
090:
091:                    checkForbidExpression("type", value);
092:                } else if (CODE.equals(name)) {
093:                    _code = value;
094:
095:                    checkForbidExpression("code", value);
096:                } else if (IEPLUGINURL.equals(name)) {
097:                    _iepluginurl = value;
098:
099:                    checkForbidExpression("ispluginurl", value);
100:                } else if (JREVERSION.equals(name)) {
101:                    _jreversion = value;
102:
103:                    checkForbidExpression("jreversion", value);
104:                } else if (NSPLUGINURL.equals(name)) {
105:                    _nspluginurl = value;
106:
107:                    checkForbidExpression("nspluginurl", value);
108:                } else if (WIDTH.equals(name)) {
109:                } else if (HEIGHT.equals(name)) {
110:                } else if (ALIGN.equals(name)) {
111:                    checkForbidExpression("align", value);
112:                } else if (VSPACE.equals(name)) {
113:                    checkForbidExpression("vspace", value);
114:                } else if (HSPACE.equals(name)) {
115:                    checkForbidExpression("hspace", value);
116:                } else if (ARCHIVE.equals(name)) {
117:                    checkForbidExpression("archive", value);
118:                } else if (CODEBASE.equals(name)) {
119:                    checkForbidExpression("codebase", value);
120:                } else
121:                    super .addAttribute(name, value);
122:
123:                _attrNames.add(name.getName());
124:                _attrValues.add(value);
125:            }
126:
127:            private void checkForbidExpression(String attribute, String value)
128:                    throws JspParseException {
129:                if (hasELAttribute(value))
130:                    throw error(L.l("'{0}' may not have EL expression '{1}'",
131:                            attribute, value));
132:                else if (hasRuntimeAttribute(value))
133:                    throw error(L.l("'{0}' may not have RT expression '{1}'",
134:                            attribute, value));
135:            }
136:
137:            /**
138:             * Adds a child.
139:             */
140:            public void addChild(JspNode node) throws JspParseException {
141:                if (node instanceof  JspParams) {
142:                    _params = (JspParams) node;
143:                } else if (node instanceof  JspFallback) {
144:                    _fallback = (JspFallback) node;
145:                } else if (node instanceof  JspBody) {
146:                } else {
147:                    super .addChild(node);
148:                }
149:            }
150:
151:            /**
152:             * Adds a child.
153:             */
154:            public void addChildEnd(JspNode node) throws JspParseException {
155:                if (node instanceof  JspBody) {
156:                    JspBody body = (JspBody) node;
157:
158:                    for (JspNode child : body.getChildren())
159:                        addChild(child);
160:                } else
161:                    super .addChildEnd(node);
162:            }
163:
164:            /**
165:             * Called after the attributes complete.
166:             */
167:            public void endElement() throws JspParseException {
168:                if (_code == null)
169:                    throw error(L.l("<jsp:plugin> expects a `code' attribute."));
170:
171:                if (_type == null)
172:                    throw error(L.l("<jsp:plugin> expects a `type' attribute."));
173:                else if (!_type.equals("applet") && !_type.equals("bean"))
174:                    throw error(L
175:                            .l("`type' attribute of <jsp:plugin> must either be `applet' or `bean'."));
176:
177:                if (_iepluginurl == null)
178:                    _iepluginurl = IE_URL;
179:
180:                if (_nspluginurl == null)
181:                    _nspluginurl = NS_URL;
182:            }
183:
184:            /**
185:             * Generates the XML text representation for the tag validation.
186:             *
187:             * @param os write stream to the generated XML.
188:             */
189:            public void printXml(WriteStream os) throws IOException {
190:                os.print("<jsp:plugin/>");
191:            }
192:
193:            /**
194:             * Generates the code for the scriptlet
195:             *
196:             * @param out the output writer for the generated java.
197:             */
198:            public void generate(JspJavaWriter out) throws Exception {
199:                String type = null;
200:                if (_type.equals("applet"))
201:                    type = "application/x-java-applet";
202:                else if (_type.equals("bean"))
203:                    type = "application/x-java-bean";
204:
205:                if (_jreversion != null)
206:                    type = type + ";version=" + _jreversion;
207:
208:                printText(out, "<object classid=\"" + IE_CLSID + "\"");
209:                printText(out, " codebase=\"" + _iepluginurl + "\"");
210:
211:                generateObjectParams(out, false);
212:
213:                printText(out, "<param name=\"type\" value=\"" + type + "\">\n");
214:
215:                printText(out, "<comment>");
216:
217:                printText(out, "<embed type=\"" + type + "\"");
218:                printText(out, " codebase=\"" + _nspluginurl + "\"");
219:
220:                generateObjectParams(out, true);
221:
222:                printText(out, ">\n<noembed></comment>");
223:
224:                if (_fallback != null)
225:                    _fallback.generateFallback(out);
226:
227:                printText(out, "</noembed></embed></object>\n");
228:            }
229:
230:            /**
231:             * Generates the parameters for the jsp:plugin object.
232:             */
233:            protected void generateObjectParams(JspJavaWriter out,
234:                    boolean isEmbed) throws Exception {
235:                for (int i = 0; i < _attrNames.size(); i++) {
236:                    String name = _attrNames.get(i);
237:                    String value = _attrValues.get(i);
238:
239:                    if (name.equals("type") || name.equals("jreversion")
240:                            || name.equals("iepluginurl")
241:                            || name.equals("nspluginurl")
242:                            || name.equals("code") || name.equals("archive")
243:                            || name.equals("codebase") || name.equals("object"))
244:                        continue;
245:
246:                    printText(out, " " + name + "=\"");
247:
248:                    out.println("out.print("
249:                            + generateValue(String.class, value) + ");");
250:
251:                    printText(out, "\"");
252:                }
253:
254:                if (!isEmbed)
255:                    printText(out, ">\n");
256:
257:                for (int i = 0; i < _attrNames.size(); i++) {
258:                    String name = _attrNames.get(i);
259:                    String value = _attrValues.get(i);
260:
261:                    if (name.equals("archive"))
262:                        name = "java_archive";
263:                    else if (name.equals("codebase"))
264:                        name = "java_codebase";
265:                    else if (name.equals("code"))
266:                        name = "java_code";
267:                    else if (name.equals("object"))
268:                        name = "java_object";
269:                    else
270:                        continue;
271:
272:                    if (isEmbed) {
273:                        printText(out, " " + name + "=\"");
274:
275:                        if (hasRuntimeAttribute(value))
276:                            out.println("out.print("
277:                                    + getRuntimeAttribute(value) + ");");
278:                        else
279:                            printText(out, value);
280:
281:                        printText(out, "\"");
282:                    } else {
283:                        printText(out, "<param name=\"" + name + "\" value=\"");
284:
285:                        if (hasRuntimeAttribute(value))
286:                            out.println("out.print("
287:                                    + getRuntimeAttribute(value) + ");");
288:                        else
289:                            printText(out, value);
290:
291:                        printText(out, "\">\n");
292:                    }
293:                }
294:
295:                if (_params == null)
296:                    return;
297:
298:                ArrayList<JspParam> paramList = _params.getParams();
299:
300:                for (int i = 0; i < paramList.size(); i++) {
301:                    JspParam param = paramList.get(i);
302:
303:                    String name = param.getName();
304:                    String value = param.getValue();
305:
306:                    if (isEmbed)
307:                        printText(out, " " + name + "=\"");
308:                    else
309:                        printText(out, "<param name=\"" + name + "\" value=\"");
310:
311:                    if (hasRuntimeAttribute(value)) {
312:                        out.println("out.print(" + getRuntimeAttribute(value)
313:                                + ");");
314:                    } else
315:                        printText(out, value);
316:
317:                    if (isEmbed)
318:                        printText(out, "\"");
319:                    else
320:                        printText(out, "\">\n");
321:                }
322:            }
323:
324:            private void printText(JspJavaWriter out, String text)
325:                    throws Exception {
326:                out.print("out.print(\"");
327:                out.printJavaString(text);
328:                out.println("\");");
329:            }
330:        }
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