Source Code Cross Referenced for CloudModelBuilder.java in  » Database-ORM » MMBase » org » mmbase » model » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » MMBase » org.mmbase.model 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:
003:        This software is OSI Certified Open Source Software.
004:        OSI Certified is a certification mark of the Open Source Initiative.
005:
006:        The license (Mozilla version 1.0) can be read at the MMBase site.
007:        See http://www.MMBase.org/license
008:
009:         */
010:
011:        package org.mmbase.model;
012:
013:        import org.mmbase.util.logging.*;
014:        import org.mmbase.module.core.*;
015:        import org.mmbase.util.*;
016:        import org.mmbase.util.xml.*;
017:
018:        import org.w3c.dom.*;
019:        import org.xml.sax.InputSource;
020:
021:        import java.io.*;
022:
023:        /**
024:         * @javadoc
025:         */
026:        public class CloudModelBuilder {
027:
028:            private static Logger log = Logging
029:                    .getLoggerInstance(CloudModelBuilder.class);
030:            private String path;
031:            private Document document;
032:            private BuilderReader reader;
033:
034:            public CloudModelBuilder(String name) {
035:            }
036:
037:            public void setPath(String path) {
038:                this .path = path;
039:            }
040:
041:            public boolean writeToFile(String filepath) {
042:                InputStream in = ResourceLoader.getConfigurationRoot()
043:                        .getResourceAsStream(path);
044:                if (in != null) {
045:                    try {
046:                        FileOutputStream out = new FileOutputStream(filepath);
047:                        byte[] buf = new byte[1024];
048:                        int len;
049:                        while ((len = in.read(buf)) > 0) {
050:                            out.write(buf, 0, len);
051:                        }
052:                        in.close();
053:                        out.flush();
054:                        out.close();
055:                    } catch (Exception e) {
056:                        e.printStackTrace();
057:                        return false;
058:                    }
059:                } else {
060:                    log.error("Resource not found : " + path);
061:                }
062:                return true;
063:            }
064:
065:            public boolean removeField(String name) {
066:                if (document == null)
067:                    openDocument();
068:                Element fe = reader.getElementByPath(document
069:                        .getDocumentElement(), "builder.fieldlist");
070:                if (fe != null) {
071:                    for (Element field : reader.getChildElements(fe, "field")) {
072:                        Element namenode = reader.getElementByPath(field,
073:                                "field.db.name");
074:                        if (namenode != null
075:                                && namenode.getFirstChild().getNodeValue()
076:                                        .equals(name)) {
077:                            fe.removeChild(field);
078:                            save();
079:                        }
080:                    }
081:                }
082:                return true;
083:            }
084:
085:            public boolean setGuiName(String fieldname, String country,
086:                    String value) {
087:                if (document == null)
088:                    openDocument();
089:                Element fe = reader.getElementByPath(document
090:                        .getDocumentElement(), "builder.fieldlist");
091:                if (fe != null) {
092:                    for (Element field : reader.getChildElements(fe, "field")) {
093:                        Element namenode = reader.getElementByPath(field,
094:                                "field.db.name");
095:                        if (namenode != null
096:                                && namenode.getFirstChild().getNodeValue()
097:                                        .equals(fieldname)) {
098:                            // that we have found the correct field find
099:                            // find the gui names
100:                            Element guinode = reader.getElementByPath(field,
101:                                    "field.gui");
102:                            if (guinode != null) {
103:                                boolean found = false;
104:                                for (Element guiname : reader.getChildElements(
105:                                        guinode, "guiname")) {
106:                                    String oldcountry = guiname
107:                                            .getAttribute("xml:lang");
108:                                    if (oldcountry != null
109:                                            && oldcountry.equals(country)) {
110:                                        guiname.getFirstChild().setNodeValue(
111:                                                value);
112:                                        save();
113:                                        found = true;
114:                                    }
115:                                }
116:                                if (!found) {
117:                                    String newpart = "      <guiname xml:lang=\""
118:                                            + country
119:                                            + "\">"
120:                                            + value
121:                                            + "</guiname>\r";
122:                                    mergePart(guinode, newpart);
123:                                    save();
124:                                }
125:                            } else {
126:                                String newpart = "    <gui>\r";
127:                                newpart += "      <guiname xml:lang=\""
128:                                        + country + "\">" + value
129:                                        + "</guiname>\r";
130:                                newpart += "    </gui>\r";
131:                                mergePart(field, newpart);
132:                                save();
133:                            }
134:                        }
135:                    }
136:                }
137:                return true;
138:            }
139:
140:            public boolean setBuilderDBState(String fieldname, String value) {
141:                if (document == null)
142:                    openDocument();
143:                Element fe = reader.getElementByPath(document
144:                        .getDocumentElement(), "builder.fieldlist");
145:                if (fe != null) {
146:                    for (Element field : reader.getChildElements(fe, "field")) {
147:                        Element namenode = reader.getElementByPath(field,
148:                                "field.db.name");
149:                        if (namenode != null
150:                                && namenode.getFirstChild().getNodeValue()
151:                                        .equals(fieldname)) {
152:                            // that we have found the correct field find
153:                            // find the type node
154:                            Element typenode = reader.getElementByPath(field,
155:                                    "field.db.type");
156:                            NamedNodeMap nnm = typenode.getAttributes();
157:                            if (nnm != null) {
158:                                Node dbstate = nnm.getNamedItem("state");
159:                                dbstate.getFirstChild().setNodeValue(value);
160:                                save();
161:                            }
162:                        }
163:                    }
164:                }
165:                return true;
166:            }
167:
168:            public boolean setBuilderDBKey(String fieldname, String value) {
169:                if (document == null)
170:                    openDocument();
171:                Element fe = reader.getElementByPath(document
172:                        .getDocumentElement(), "builder.fieldlist");
173:                if (fe != null) {
174:                    for (Element field : reader.getChildElements(fe, "field")) {
175:                        Element namenode = reader.getElementByPath(field,
176:                                "field.db.name");
177:                        if (namenode != null
178:                                && namenode.getFirstChild().getNodeValue()
179:                                        .equals(fieldname)) {
180:                            // that we have found the correct field find
181:                            // find the type node
182:                            Element typenode = reader.getElementByPath(field,
183:                                    "field.db.type");
184:                            NamedNodeMap nnm = typenode.getAttributes();
185:                            if (nnm != null) {
186:                                Node key = nnm.getNamedItem("key");
187:                                key.getFirstChild().setNodeValue(value);
188:                                save();
189:                            }
190:                        }
191:                    }
192:                }
193:                return true;
194:            }
195:
196:            public boolean setBuilderDBNotNull(String fieldname, String value) {
197:                if (document == null)
198:                    openDocument();
199:                Element fe = reader.getElementByPath(document
200:                        .getDocumentElement(), "builder.fieldlist");
201:                if (fe != null) {
202:                    for (Element field : reader.getChildElements(fe, "field")) {
203:                        Element namenode = reader.getElementByPath(field,
204:                                "field.db.name");
205:                        if (namenode != null
206:                                && namenode.getFirstChild().getNodeValue()
207:                                        .equals(fieldname)) {
208:                            // that we have found the correct field find
209:                            // find the type node
210:                            Element typenode = reader.getElementByPath(field,
211:                                    "field.db.type");
212:                            NamedNodeMap nnm = typenode.getAttributes();
213:                            if (nnm != null) {
214:                                Node notnull = nnm.getNamedItem("notnull");
215:                                notnull.getFirstChild().setNodeValue(value);
216:                                save();
217:                            }
218:                        }
219:                    }
220:                }
221:                return true;
222:            }
223:
224:            public boolean setBuilderDBSize(String fieldname, String value) {
225:                if (document == null)
226:                    openDocument();
227:                Element fe = reader.getElementByPath(document
228:                        .getDocumentElement(), "builder.fieldlist");
229:                if (fe != null) {
230:                    for (Element field : reader.getChildElements(fe, "field")) {
231:                        Element namenode = reader.getElementByPath(field,
232:                                "field.db.name");
233:                        if (namenode != null
234:                                && namenode.getFirstChild().getNodeValue()
235:                                        .equals(fieldname)) {
236:                            // that we have found the correct field find
237:                            // find the type node
238:                            Element typenode = reader.getElementByPath(field,
239:                                    "field.db.type");
240:                            NamedNodeMap nnm = typenode.getAttributes();
241:                            if (nnm != null) {
242:                                Node dbsize = nnm.getNamedItem("size");
243:                                dbsize.getFirstChild().setNodeValue(value);
244:                                save();
245:                            }
246:                        }
247:                    }
248:                }
249:                return true;
250:            }
251:
252:            public boolean addField(int pos, String name, String type,
253:                    String guitype, String state, String required,
254:                    String unique, String size) {
255:                if (document == null)
256:                    openDocument();
257:                Element fe = reader.getElementByPath(document
258:                        .getDocumentElement(), "builder.fieldlist");
259:                if (fe != null) {
260:                    String newpart = "    <field>\r";
261:                    newpart += "      <editor>\r";
262:                    newpart += "        <positions>\r";
263:                    newpart += "          <input>" + pos + "</input>\r";
264:                    newpart += "          <list>" + pos + "</list>\r";
265:                    newpart += "          <search>" + pos + "</search>\r";
266:                    newpart += "        </positions>\r";
267:                    newpart += "      </editor>\r";
268:
269:                    newpart += "      <datatype base=\""
270:                            + guitype
271:                            + "\" xmlns=\"http://www.mmbase.org/xmlns/datatypes\"/>\r";
272:                    newpart += "      <db>\r";
273:                    newpart += "        <name>" + name + "</name>\r";
274:                    newpart += "        <type key=\"" + unique
275:                            + "\" notnull=\"" + required + "\" size=\"" + size
276:                            + "\" state=\"" + state + "\">" + type
277:                            + "</type>\r";
278:                    newpart += "      </db>\r";
279:                    newpart += "    </field>\r";
280:                    mergePart(fe, newpart);
281:                }
282:                save();
283:                return true;
284:            }
285:
286:            private void mergePart(Element fe, String newpart) {
287:                try {
288:                    Element nf = (DocumentReader.getDocumentBuilder(false,
289:                            null, null).parse(new InputSource(new StringReader(
290:                            newpart)))).getDocumentElement();
291:                    fe.appendChild(document.importNode(nf, true));
292:                } catch (Exception e) {
293:                    log.error("Can't merge new xml code");
294:                }
295:            }
296:
297:            public boolean save() {
298:                // save the file back using the ResourceLoader
299:                try {
300:                    ResourceLoader.getConfigurationRoot().storeDocument(path,
301:                            document);
302:                } catch (Exception e) {
303:                    e.printStackTrace();
304:                    return false;
305:                }
306:                return true;
307:            }
308:
309:            private void openDocument() {
310:                try {
311:                    document = ResourceLoader.getConfigurationRoot()
312:                            .getDocument(path);
313:                    reader = new BuilderReader(document, MMBase.getMMBase());
314:                } catch (Exception e) {
315:                    log.error("missing builderfile file : " + path);
316:                    e.printStackTrace();
317:                }
318:            }
319:
320:        }
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