-/*\r
- * Copyright (C) 2001, 2002 The Mir-coders group\r
- *\r
- * This file is part of Mir.\r
- *\r
- * Mir is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * Mir is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with Mir; if not, write to the Free Software\r
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
- *\r
- * In addition, as a special exception, The Mir-coders gives permission to link\r
- * the code of this program with the com.oreilly.servlet library, any library\r
- * licensed under the Apache Software License, The Sun (tm) Java Advanced\r
- * Imaging library (JAI), The Sun JIMI library (or with modified versions of\r
- * the above that use the same license as the above), and distribute linked\r
- * combinations including the two. You must obey the GNU General Public\r
- * License in all respects for all of the code used other than the above\r
- * mentioned libraries. If you modify this file, you may extend this exception\r
- * to your version of the file, but you are not obligated to do so. If you do\r
- * not wish to do so, delete this exception statement from your version.\r
- */\r
-\r
-package mir.module;\r
-\r
-import java.sql.SQLException;\r
-import java.util.Map;\r
-\r
-import mir.entity.Entity;\r
-import mir.entity.EntityList;\r
-import mir.storage.StorageObject;\r
-import mir.storage.StorageObjectExc;\r
-import mir.storage.StorageObjectFailure;\r
-import freemarker.template.SimpleHash;\r
-\r
-\r
-/**\r
- * This class provides the base functionality for the derived Module-Classes.\r
- * These classes should provide methods to make more or less complex actions\r
- * on Database and Entity classes. The modules are used by ServletModules.\r
- * Future possibility could be access via Applications.\r
- *\r
- * Abstrakte Klasse, von denen die Modules die Basisfunktionalit?t erben.\r
- * Die Moduleschicht dient dazu, Funktionalitaeten zur Verf?gung zu stellen,\r
- * die von mehreren ServletModulen verwendet werden.\r
- *\r
- */\r
-\r
-public class AbstractModule {\r
- protected StorageObject theStorage;\r
-\r
- public void setStorage(StorageObject storage) {\r
- this.theStorage = storage;\r
- }\r
-\r
- /**\r
- * Liefert das Standard-StorageObject zur?ck, mit dem das Module assoziiert ist.\r
- * @return Standard-StorageObject\r
- */\r
- public StorageObject getStorageObject () {\r
- return theStorage;\r
- }\r
-\r
- /**\r
- * Holt eine Entity anhand der Id via StorageObject\r
- * @param String der Entity\r
- * @return Entity\r
- */\r
- public Entity getById (String id) throws ModuleExc, ModuleFailure {\r
- try {\r
- if (theStorage == null)\r
- throw new ModuleExc("AbstractModule.getById: No StorageObject set!");\r
- Entity entity = (Entity)theStorage.selectById(id);\r
-\r
- if (entity == null)\r
- throw new ModuleExc("AbstractModule.getById: No object for id = " + id);\r
- else\r
- return entity;\r
- }\r
- catch (Throwable e) {\r
- throw new ModuleFailure(e);\r
- }\r
- }\r
-\r
- /**\r
- * Holt eine EntityListe anhand des WhereClause via StorageObject\r
- * @param String whereclause\r
- * @param offset - ab welchem Datensatz die gematchten Entities zurueckgeliefert werden\r
- * @return EntityList Liste der gematchten Datens?tze\r
- */\r
- public EntityList getByWhereClause (String whereClause, int offset) throws ModuleExc, ModuleFailure {\r
- try {\r
- if (theStorage == null)\r
- throw new ModuleExc("AbstractModule.getByWhereClause: No StorageObject set!");\r
-\r
- return theStorage.selectByWhereClause(whereClause, offset);\r
- }\r
- catch (Throwable e) {\r
- throw new ModuleFailure(e);\r
- }\r
- }\r
-\r
- /**\r
- * Holt eine EntityListe anhand des WhereClause aus dem StorageObject\r
- * @param String where WhereClause\r
- * @param String order Sortierreihenfolge\r
- * @param offset - ab welchem Datensatz die gematchten Entities zurueckgeliefert werden\r
- * @return EntityList Liste der gematchten Datens?tze\r
- */\r
- public EntityList getByWhereClause (String where, String order, int offset) throws ModuleExc, ModuleFailure {\r
- try {\r
- if (theStorage==null)\r
- throw new ModuleExc("AbstractModule.getByWhereClause: No StorageObject set!");\r
-\r
- return theStorage.selectByWhereClause(where, order, offset);\r
- }\r
- catch (Throwable e) {\r
- throw new ModuleFailure(e);\r
- }\r
- }\r
- /**\r
- * Executes a where clause on the StorageObject with order criteria\r
- * fetching from offset the number of limit objects\r
- *\r
- * @param String where\r
- * @param String order\r
- * @param int offset\r
- * @param int limit\r
- * @return EntityList\r
- */\r
-\r
- public EntityList getByWhereClause(String where, String order, int offset, int limit) throws ModuleExc, ModuleFailure {\r
- try {\r
- if (theStorage==null)\r
- throw new ModuleExc("AbstractModule.getByWhereClause: StorageObject not set!");\r
-\r
- return theStorage.selectByWhereClause(where, order, offset, limit);\r
- }\r
- catch (Throwable e) {\r
- throw new ModuleFailure(e);\r
- }\r
- }\r
-\r
- /**\r
- * Holt eine EntityListe anhand des Wertes aValue von Feld aField aus dem StorageObject\r
- * @param String aField - Feldname im StorageObject\r
- * @param String aValue - Wert in Feld im StorageObject\r
- * @param offset - ab welchem Datensatz die gematchten Entities zurueckgeliefert werden\r
- * @return EntityList Liste der gematchten Datens?tze\r
- */\r
- public EntityList getByFieldValue (String aField, String aValue, int offset) throws ModuleExc, ModuleFailure {\r
- String whereClause;\r
- whereClause = aField + " like '%" + aValue + "%'";\r
- return getByWhereClause(whereClause, offset);\r
- }\r
-\r
- /**\r
- * * Standardfunktion, um einen Datensatz via StorageObject einzuf?gen\r
- * @param theValues Hash mit Spalte/Wert-Paaren\r
- * @return Id des eingef?gten Objekts\r
- * @exception ModuleExc\r
- * @exception ModuleFailure\r
- */\r
- public String add (Map theValues) throws ModuleExc, ModuleFailure {\r
- try {\r
- Entity theEntity = (Entity)theStorage.getEntityClass().newInstance();\r
- theEntity.setStorage(theStorage);\r
- theEntity.setValues(theValues);\r
- return theEntity.insert();\r
- }\r
- catch (Throwable e) {\r
- throw new ModuleFailure(e);\r
- }\r
- }\r
-\r
- /**\r
- * Standardfunktion, um einen Datensatz via StorageObject zu aktualisieren\r
- * @param theValues Hash mit Spalte/Wert-Paaren\r
- * @return Id des eingef?gten Objekts\r
- * @exception ModuleExc\r
- * @exception ModuleFailure\r
- */\r
- public String set (Map theValues) throws ModuleExc, ModuleFailure {\r
- try {\r
- Entity theEntity = theStorage.selectById((String)theValues.get("id"));\r
- if (theEntity == null)\r
- throw new ModuleExc("No object found with id " + theValues.get("id"));\r
- theEntity.setValues(theValues);\r
- theEntity.update();\r
- return theEntity.getId();\r
- }\r
- catch (Throwable e) {\r
- throw new ModuleFailure(e);\r
- }\r
- }\r
-\r
- /**\r
- * Deletes a record using an id\r
- * @param idParam\r
- * @exception ModuleExc\r
- * @exception ModuleFailure\r
- */\r
- public void deleteById (String idParam) throws ModuleExc, ModuleFailure {\r
- try {\r
- theStorage.delete(idParam);\r
- }\r
- catch (Throwable e) {\r
- throw new ModuleFailure(e);\r
- }\r
- }\r
-\r
- /**\r
- * Liefert den Lookuptable aller Objekte des StorageObjects\r
- * @return freemarker.template.SimpleHash\r
- */\r
- public SimpleHash getHashData() {\r
- return theStorage.getHashData();\r
- }\r
-\r
- /**\r
- * returns the number of rows\r
- */\r
- public int getSize(String where) throws ModuleExc, ModuleFailure {\r
- try {\r
- return theStorage.getSize(where);\r
- }\r
- catch (Throwable e) {\r
- throw new ModuleFailure(e);\r
- }\r
- }\r
-\r
-}\r
+/*
+ * Copyright (C) 2001-2006 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with any library licensed under the Apache Software License,
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
+
+package mir.module;
+
+import mir.entity.Entity;
+import mir.entity.EntityList;
+import mir.storage.Database;
+import mir.storage.DatabaseExc;
+
+import java.util.Map;
+
+/**
+ * This class provides the base functionality for the derived Module-Classes.
+ * These classes should provide methods to make more or less complex actions
+ * on Database and Entity classes. The modules are used by ServletModules.
+ * Future possibility could be access via Applications.
+ *
+ * Abstrakte Klasse, von denen die Modules die Basisfunktionalit?t erben.
+ * Die Moduleschicht dient dazu, Funktionalitaeten zur Verf?gung zu stellen,
+ * die von mehreren ServletModulen verwendet werden.
+ *
+ */
+
+public class AbstractModule {
+ protected Database database;
+
+ public AbstractModule(Database aDatabase) {
+ database = aDatabase;
+ }
+
+ /**
+ * Returns the database object associated with this module
+ */
+ public Database getStorageObject () {
+ return database;
+ }
+
+ public Entity getById (String anId) throws ModuleFailure, EntityNotFoundExc {
+ if (database == null) {
+ throw new ModuleFailure("AbstractModule.getById: No Database set!");
+ }
+
+ try {
+ Entity result = database.selectById(anId);
+
+ if (result == null) {
+ throw new EntityNotFoundExc("AbstractModule.getById: No object for id = " + anId);
+ }
+
+ return result;
+ }
+ catch (DatabaseExc e) {
+ throw new ModuleFailure("Database exception while retrieving entity with id " + anId);
+ }
+ }
+
+ public EntityList getByWhereClause (String whereClause, int offset) throws ModuleExc, ModuleFailure {
+ try {
+ if (database == null)
+ throw new ModuleExc("AbstractModule.getByWhereClause: No Database set!");
+
+ return database.selectByWhereClause(whereClause, offset);
+ }
+ catch (Throwable e) {
+ throw new ModuleFailure(e);
+ }
+ }
+
+ public String add(Map theValues) throws ModuleExc, ModuleFailure {
+ try {
+ Entity entity = database.createNewEntity();
+ entity.setFieldValues(theValues);
+
+ return entity.insert();
+ }
+ catch (Throwable e) {
+ throw new ModuleFailure(e);
+ }
+ }
+
+ public String set (Map theValues) throws ModuleExc, ModuleFailure {
+ try {
+ Entity theEntity = database.selectById((String) theValues.get("id"));
+ if (theEntity == null)
+ throw new ModuleExc("No object found with id " + theValues.get("id"));
+ theEntity.setFieldValues(theValues);
+ theEntity.update();
+ return theEntity.getId();
+ }
+ catch (Throwable e) {
+ throw new ModuleFailure(e);
+ }
+ }
+
+ /**
+ * Deletes a record using an id
+ * @param idParam
+ * @exception ModuleExc
+ * @exception ModuleFailure
+ */
+ public void deleteById (String idParam) throws ModuleExc, ModuleFailure {
+ try {
+ database.delete(idParam);
+ }
+ catch (Throwable e) {
+ throw new ModuleFailure(e);
+ }
+ }
+}
projects / mir.git / blobdiff