2 * Copyright (C) 2015 Roland Haeder
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.jcore;
19 import java.io.BufferedReader;
20 import java.io.FileInputStream;
21 import java.io.FileNotFoundException;
22 import java.io.IOException;
23 import java.io.InputStreamReader;
24 import java.io.PrintWriter;
25 import java.lang.reflect.Field;
26 import java.lang.reflect.InvocationTargetException;
27 import java.lang.reflect.Method;
28 import java.text.MessageFormat;
29 import java.util.Arrays;
30 import java.util.HashMap;
31 import java.util.Iterator;
33 import java.util.Properties;
34 import java.util.ResourceBundle;
35 import java.util.StringTokenizer;
36 import org.apache.commons.lang3.ArrayUtils;
37 import org.apache.logging.log4j.LogManager;
38 import org.apache.logging.log4j.Logger;
39 import org.mxchange.jcore.application.Application;
40 import org.mxchange.jcore.client.Client;
41 import org.mxchange.jcore.contact.Contact;
42 import org.mxchange.jcore.database.backend.DatabaseBackend;
43 import org.mxchange.jcore.database.frontend.DatabaseFrontend;
44 import org.mxchange.jcore.database.storage.Storable;
45 import org.mxchange.jcore.manager.Manageable;
50 * @author Roland Haeder
52 public class BaseFrameworkSystem implements FrameworkInterface {
57 private static ResourceBundle bundle;
60 * Instance for own properties
62 private static final Properties properties = new Properties(System.getProperties());
67 private static FrameworkInterface selfInstance;
72 private final Logger LOG;
75 * Application instance
77 private Application application;
80 * Instance for database backend
82 private DatabaseBackend backend;
87 private Client client;
92 private Contact contact;
95 * DatabaseFrontend instance
97 private DatabaseFrontend frontend;
102 private Manageable manager;
105 * Session id assigned with this basket, or any other unique identifier
107 private String sessionId;
110 * Name of used database table, handled over to backend
112 private String tableName;
119 this.LOG = LogManager.getLogger(this);
121 // Need to set it here
126 * No instances can be created of this class
128 protected BaseFrameworkSystem () {
132 * Getter for this application
134 * @return Instance from this application
136 public static final FrameworkInterface getInstance () {
142 public final Application getApplication () {
143 return this.application;
147 public final Logger getLogger () {
152 public final Manageable getManager () {
157 public final String getMessageStringFromKey (final String key) {
159 return this.getBundle().getString(key);
163 * Some "getter" for target class instance from given name.
165 * @param instance Instance to iterate on
166 * @param targetClass Class name to look for
167 * @return Class instance
169 @SuppressWarnings ("unchecked")
170 private Class<? extends FrameworkInterface> getClassFromTarget (final FrameworkInterface instance, final String targetClass) {
172 this.getLogger().debug(MessageFormat.format("instance={0},targetClass={1}", instance, targetClass)); //NOI18N
174 // Instance reflaction of this class
175 Class<? extends FrameworkInterface> c = instance.getClass();
178 while (!targetClass.equals(c.getSimpleName())) {
180 this.getLogger().debug(MessageFormat.format("c={0}", c.getSimpleName())); //NOI18N
182 // Get super class (causes unchecked warning)
183 c = (Class<? extends FrameworkInterface>) c.getSuperclass();
187 this.getLogger().trace(MessageFormat.format("c={0} - EXIT!", c)); //NOI18N
194 * Some "getter" for a Method instance from given method name
196 * @param instance Actual instance to call
197 * @param targetClass Target class name
198 * @param methodName Method name
199 * @return A Method instance
201 private Method getMethodFromName (final FrameworkInterface instance, final String targetClass, final String methodName) throws NoSuchMethodException {
203 this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1}", targetClass, methodName)); //NOI18N
205 // Init method instance
206 Method method = null;
208 // Try it from target class
210 // Get target class instance
211 Class<? extends FrameworkInterface> c = this.getClassFromTarget(instance, targetClass);
213 // Init field instance
214 method = c.getDeclaredMethod(methodName, new Class<?>[0]);
215 } catch (final NoSuchMethodException e) {
217 this.getLogger().debug(e);
219 // So try it from super class
220 Class<? extends FrameworkInterface> c = this.getClassFromTarget(instance, "BaseFrameworkSystem"); //NOI18N
222 // Init field instance
223 method = c.getDeclaredMethod(methodName, new Class<?>[0]);
227 assert (method instanceof Method) : "method is not a Method instance"; //NOI18N
230 this.getLogger().trace(MessageFormat.format("method={0} - EXIT!", method)); //NOI18N
237 * Some "getter" for a Method instance from given method name
239 * @param instance Actual instance to call
240 * @param targetClass Target class name
241 * @param methodName Method name
242 * @param type Type reflection to check type from
243 * @return A Method instance
245 private Method getMethodFromName (final FrameworkInterface instance, final String targetClass, final String methodName, final Class<?> type) throws NoSuchMethodException {
247 this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1},type={2}", targetClass, methodName, type)); //NOI18N
249 // Init method instance
250 Method method = null;
252 // Try it from target class
254 // Get target class instance
255 Class<? extends FrameworkInterface> c = this.getClassFromTarget(instance, targetClass);
257 // Init field instance
258 method = c.getDeclaredMethod(methodName, type);
259 } catch (final NoSuchMethodException e) {
261 this.getLogger().debug(e);
263 // So try it from super class
264 Class<? extends FrameworkInterface> c = this.getClassFromTarget(instance, "BaseFrameworkSystem"); //NOI18N
266 // Init field instance
267 method = c.getDeclaredMethod(methodName, type);
271 assert (method instanceof Method) : "method is not a Method instance"; //NOI18N
274 this.getLogger().trace(MessageFormat.format("method={0} - EXIT!", method)); //NOI18N
281 * Aborts program with given exception
283 * @param throwable Any type of Throwable
285 protected final void abortProgramWithException (final Throwable throwable) {
287 this.logException(throwable);
294 * Application instance
296 * @param application the application to set
298 protected final void setApplication (final Application application) {
299 this.application = application;
303 public final Client getClient () {
308 * Getter for bundle instance
310 * @return Resource bundle
312 protected final ResourceBundle getBundle () {
313 return BaseFrameworkSystem.bundle;
317 * Setter for bundle instance
319 * @param bundle the bundle to set
321 protected static void setBundle (final ResourceBundle bundle) {
322 BaseFrameworkSystem.bundle = bundle;
328 * @param client the client to set
330 protected final void setClient (final Client client) {
331 this.client = client;
335 * Getter for session id
340 public final String getSessionId () {
341 return this.sessionId;
345 * Setter for session id
347 * @param sessionId Session id
350 public final void setSessionId (final String sessionId) {
351 this.sessionId = sessionId;
355 * Name of used database table, handled over to backend
357 * @return the tableName
359 public final String getTableName () {
360 return this.tableName;
364 public boolean isFieldValueEqual (final String columnName, final boolean bool) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
366 throw new UnsupportedOperationException(MessageFormat.format("Not implemented. columnName={0},bool={1}", columnName, bool)); //NOI18N
370 public final void logException (final Throwable exception) {
371 // Log this exception
372 this.getLogger().catching(exception);
376 * Initializes properties with default values
378 private void initPropertiesWithDefault () {
380 this.getLogger().trace("CALLED!"); //NOI18N
382 // Init default values:
383 // Default database backend
384 BaseFrameworkSystem.properties.put("org.mxchange.database.backend.class", "org.mxchange.jcore.database.backend.base64.Base64CsvDatabaseBackend"); //NOI18N
385 BaseFrameworkSystem.properties.put("org.mxchange.database.backend.storagepath", "data/"); //NOI18N
386 BaseFrameworkSystem.properties.put("org.mxchange.database.datasource.name", ""); //NOI18N
389 BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.host", "localhost"); //NOI18N
390 BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.dbname", "test"); //NOI18N
391 BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.login", ""); //NOI18N
392 BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.password", ""); //NOI18N
395 this.getLogger().trace("EXIT!"); //NOI18N
399 * Writes the properties file to disk
401 private void writePropertiesFile () throws IOException {
403 this.getLogger().trace("CALLED!"); //NOI18N
406 BaseFrameworkSystem.properties.store(new PrintWriter(FrameworkInterface.PROPERTIES_CONFIG_FILE), "This file is automatically generated. You may wish to alter it."); //NOI18N
409 this.getLogger().trace("EXIT!"); //NOI18N
413 * Converts a column name like "foo_bar" to an attribute name like "fooBar"
415 * @param columnName Column name to convert
416 * @return Attribute name
418 protected String convertColumnNameToFieldName (final String columnName) {
420 this.getLogger().trace(MessageFormat.format("columnName={0} - CALLED!", columnName)); //NOI18N
423 StringTokenizer tokenizer = new StringTokenizer(columnName, "_"); //NOI18N
426 StringBuilder builder = new StringBuilder(tokenizer.countTokens());
432 while (tokenizer.hasMoreTokens()) {
434 String token = tokenizer.nextToken();
436 // Is later than first element?
438 // Make first character upper-case
439 char c = token.charAt(0);
440 token = String.valueOf(c).toUpperCase() + token.substring(1);
444 builder.append(token);
451 this.getLogger().trace(MessageFormat.format("builder={0} - EXIT!", builder)); //NOI18N
454 return builder.toString();
458 * Converts a column name like "foo_bar" to a method name like "getFooBar"
459 * for non-booleans and to "isFooBar" for boolean fields.
461 * @param columnName Column name to convert
462 * @param isBool Whether the parameter is boolean
463 * @return Attribute name
465 protected String convertColumnNameToGetterMethod (final String columnName, boolean isBool) {
467 this.getLogger().trace(MessageFormat.format("columnName={0},isBool={1} - CALLED!", columnName, isBool)); //NOI18N
470 StringTokenizer tokenizer = new StringTokenizer(columnName, "_"); //NOI18N
473 StringBuilder builder = new StringBuilder(tokenizer.countTokens());
478 builder.append("is"); //NOI18N
481 builder.append("get"); //NOI18N
485 while (tokenizer.hasMoreTokens()) {
487 String token = tokenizer.nextToken();
490 this.getLogger().debug(MessageFormat.format("token={0}", token)); //NOI18N
492 // Make it upper-case
493 char c = token.charAt(0);
494 token = String.valueOf(c).toUpperCase() + token.substring(1);
497 builder.append(token);
501 this.getLogger().trace(MessageFormat.format("builder={0} - EXIT!", builder)); //NOI18N
504 return builder.toString();
508 * Converts a column name like "foo_bar" to a method name like "getFooBar"
509 * for non-booleans and to "isFooBar" for boolean fields.
511 * @param columnName Column name to convert
512 * @return Attribute name
514 protected String convertColumnNameToSetterMethod (final String columnName) {
516 this.getLogger().trace(MessageFormat.format("columnName={0} - CALLED!", columnName)); //NOI18N
519 StringTokenizer tokenizer = new StringTokenizer(columnName, "_"); //NOI18N
522 StringBuilder builder = new StringBuilder(tokenizer.countTokens());
525 builder.append("set"); //NOI18N
528 while (tokenizer.hasMoreTokens()) {
530 String token = tokenizer.nextToken();
533 this.getLogger().debug(MessageFormat.format("token={0} - BEFORE", token)); //NOI18N
535 // Make it upper-case
536 char c = token.charAt(0);
537 token = String.valueOf(c).toUpperCase() + token.substring(1);
540 this.getLogger().debug(MessageFormat.format("token={0} - AFTER", token)); //NOI18N
543 builder.append(token);
547 this.getLogger().trace(MessageFormat.format("builder={0} - EXIT!", builder)); //NOI18N
550 return builder.toString();
554 * Some "getter" for an array from given string and tokenizer
556 * @param str String to tokenize and get array from
557 * @param delimiter Delimiter
558 * @return Array from tokenized string TODO Get rid of size parameter
560 protected String[] getArrayFromString (final String str, final String delimiter) {
562 this.getLogger().trace(MessageFormat.format("str={0},delimiter={1} - CALLED!", str, delimiter)); //NOI18N
565 StringTokenizer tokenizer = new StringTokenizer(str, delimiter);
567 // Init array and index
568 String[] tokens = new String[tokenizer.countTokens()];
571 // Run through all tokens
572 while (tokenizer.hasMoreTokens()) {
573 // Get current token and add it
574 tokens[index] = tokenizer.nextToken();
577 this.getLogger().debug(MessageFormat.format("Token at index{0}: {1}", index, tokens[1])); //NOI18N
584 this.getLogger().trace(MessageFormat.format("tokens({0})={1} - EXIT!", tokens.length, Arrays.toString(tokens))); //NOI18N
591 * Returns boolean field value from given method name by invoking it
593 * @param instance The instance to call
594 * @param targetClass Target class to look in
595 * @param methodName Method name to look for
596 * @return Boolean value from field
597 * @throws java.lang.NoSuchMethodException If the method was not found
598 * @throws java.lang.IllegalAccessException If the method cannot be accessed
599 * @throws java.lang.reflect.InvocationTargetException Some other problems?
601 protected boolean getBooleanField (final FrameworkInterface instance, final String targetClass, final String methodName) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
603 this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1}", targetClass, methodName)); //NOI18N
605 // Get method instance
606 Method method = this.getMethodFromName(instance, targetClass, methodName);
608 // Get value from field
609 Boolean value = (Boolean) method.invoke(instance);
612 this.getLogger().trace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N
621 * @param manager the manager instance to set
623 protected final void setContactManager (final Manageable manager) {
624 this.manager = manager;
628 * Returns any field value from given method name by invoking it
630 * @param instance The instance to call
631 * @param targetClass Target class to look in
632 * @param methodName Method name to look for
633 * @return Any value from field
634 * @throws java.lang.NoSuchMethodException If the method was not found
635 * @throws java.lang.IllegalAccessException If the method cannot be accessed
636 * @throws java.lang.reflect.InvocationTargetException Some other problems?
638 protected Object getField (final FrameworkInterface instance, final String targetClass, final String methodName) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
640 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},methodName={2}", instance, targetClass, methodName)); //NOI18N
642 // Get method to call
643 Method method = this.getMethodFromName(instance, targetClass, methodName);
646 this.getLogger().debug(MessageFormat.format("method={0},instance={1}", method, instance)); //NOI18N
648 // Get value from field
649 Object value = method.invoke(instance);
652 this.getLogger().trace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N
659 * Getter for property which must exist
661 * @param key Key to get
662 * @return Propety value
664 protected final String getProperty (final String key) {
665 return BaseFrameworkSystem.properties.getProperty(String.format("org.mxchange.%s", key)); //NOI18N
669 * Name of used database table, handled over to backend
671 * @param tableName the tableName to set
673 protected final void setTableName (final String tableName) {
674 this.tableName = tableName;
678 * Some getter for type reflection of given column name
680 * @param instance The instance to check
681 * @param targetClass Target class to check
682 * @param columnName Column name
683 * @return Type reflection of value
685 private Class<?> getType (final FrameworkInterface instance, final String targetClass, final String columnName) {
687 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},columnName={2} - CALLED!", instance, targetClass, columnName)); //NOI18N
690 Class<?> type = null;
692 // Get super class fields
693 Field[] superFields = this.getClassFromTarget(instance, "BaseFrameworkSystem").getDeclaredFields(); //NOI18N
695 // Get all attributes from given instance
696 Field[] fields = ArrayUtils.addAll(superFields, this.getClassFromTarget(instance, targetClass).getDeclaredFields());
699 this.getLogger().debug(MessageFormat.format("fields()={0}", fields.length)); //NOI18N
701 // Convert column_name to fieldName ;-)
702 String fieldName = this.convertColumnNameToFieldName(columnName);
705 this.getLogger().debug(MessageFormat.format("fieldName={0}", fieldName)); //NOI18N
707 // Search for proper field instance
708 for (final Field field : fields) {
709 // Is a dollar character there?
710 if (field.getName().startsWith("$")) { //NOI18N
712 this.getLogger().debug(MessageFormat.format("Field name {0} starts with a dollar, skipped.", field.getName())); //NOI18N
718 this.getLogger().debug(MessageFormat.format("field.getName()={0},fieldName={1}", field.getName(), fieldName)); //NOI18N
721 if (field.getName().equals(fieldName)) {
723 type = field.getType();
726 this.getLogger().debug(MessageFormat.format("Found fieldName={0}: setting type={1}", fieldName, type.getSimpleName())); //NOI18N
728 // Don't continue with searching
734 this.getLogger().debug(MessageFormat.format("type={0}", type)); //NOI18N
736 // type should not be null
739 throw new NullPointerException("type is null"); //NOI18N
743 this.getLogger().debug(MessageFormat.format("type={0} - EXIT!", type)); //NOI18N
750 * Converts null to empty string or leaves original string.
752 * @param str Any string
753 * @return Empty string if null or original string
755 protected Object convertNullToEmpty (final Object str) {
757 this.getLogger().trace(MessageFormat.format("str={0}", str)); //NOI18N
761 // Return empty string
766 this.getLogger().trace(MessageFormat.format("str={0} - EXIT!", str)); //NOI18N
773 * Creates an iterator from given instance and class name.
775 * @param instance Instance to run getter calls on
776 * @param className Class name to iterate over
777 * @return An iterator over all object's fields
778 * @throws java.lang.NoSuchMethodException If the called method does not
780 * @throws java.lang.IllegalAccessException If the method cannot be accessed
781 * @throws java.lang.reflect.InvocationTargetException Any other problems?
783 protected Iterator<Map.Entry<Field, Object>> fieldIterator (final Storable instance, final String className) throws IllegalArgumentException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
785 this.getLogger().trace(MessageFormat.format("instance={0},className={1} - CALLED!", instance, className)); //NOI18N
787 // Get all attributes from given instance
788 Field[] fields = this.getClassFromTarget(instance, className).getDeclaredFields();
791 this.getLogger().debug(MessageFormat.format("Found {0} fields.", fields.length)); //NOI18N
793 // A simple map with K=fieldName and V=Value is fine
794 Map<Field, Object> map = new HashMap<>(fields.length);
797 for (final Field field : fields) {
799 this.getLogger().debug(MessageFormat.format("field={0}", field.getName())); //NOI18N
801 // Does the field start with "$"?
802 if (field.getName().startsWith("$")) { //NOI18N
804 this.getLogger().debug(MessageFormat.format("Skipping field={0} as it starts with a dollar character.", field.getName())); //NOI18N
811 this.getLogger().debug(MessageFormat.format("Calling getValueFromColumn({0}) on instance {1} ...", field.getName(), instance)); //NOI18N
814 Object value = instance.getValueFromColumn(field.getName());
817 this.getLogger().debug(MessageFormat.format("Adding field={0},value={1}", field.getName(), value)); //NOI18N
820 map.put(field, value);
824 this.getLogger().debug(MessageFormat.format("Returning iterator for {0} entries ...", map.size())); //NOI18N
826 // Return list iterator
827 return map.entrySet().iterator();
831 * Instance for database backend
833 * @return the backend
835 protected final DatabaseBackend getBackend () {
840 * Instance for database backend
842 * @param backend the backend to set
844 protected final void setBackend (final DatabaseBackend backend) {
845 this.backend = backend;
849 * Getter for Contact instance
851 * @return Contact instance
853 protected final Contact getContact () {
858 * Setter for Contact instance
860 * @param contact A Contact instance
862 protected final void setContact (final Contact contact) {
863 this.contact = contact;
867 * Getter for DatabaseFrontend instance
869 * @return DatabaseFrontend instance
871 protected final DatabaseFrontend getFrontend () {
872 return this.frontend;
876 * Setter for wrapper instance
878 * @param frontend A DatabaseFrontend instance
880 protected final void setFrontend (final DatabaseFrontend frontend) {
881 this.frontend = frontend;
885 * Some getter for properties names (without org.mxchange)
887 * @return An array with property names
889 protected String[] getPropertyNames () {
892 "database.backend.class", //NOI18N
893 "database.backend.storagepath", //NOI18N
894 "database.mysql.login", //NOI18N
895 "database.mysql.host", //NOI18N
896 "database.mysql.password", //NOI18N
897 "database.mysql.dbname", //NOI18N
905 * Some "getter" for a value from given Storable instance and target class
907 * @param instance An instance of a Storable class
908 * @param targetClass The target class (where the field resides)
909 * @param columnName Column name (= field name)
910 * @return value Value to get
911 * @throws java.lang.NoSuchMethodException If the getter was not found
912 * @throws java.lang.IllegalAccessException If the getter cannot be accessed
913 * @throws java.lang.reflect.InvocationTargetException Some other problems?
915 protected Object getValueInStorableFromColumn (final Storable instance, final String targetClass, final String columnName) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
917 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},columnName={2} - CALLED!", instance, targetClass, columnName)); //NOI18N
919 // A '$' means not our field
920 if (columnName.startsWith("$")) { //NOI18N
921 // Don't handle these
922 throw new IllegalArgumentException("columnsName contains $"); //NOI18N
925 // Determine if the given column is boolean
926 if (this.isBooleanField(instance, targetClass, columnName)) {
928 this.getLogger().debug(MessageFormat.format("Column {0} represents a boolean field.", columnName)); //NOI18N
930 // Yes, then call other method
931 return this.getBooleanField(instance, targetClass, this.convertColumnNameToGetterMethod(columnName, true));
934 // Convert column name to field name
935 String methodName = this.convertColumnNameToGetterMethod(columnName, false);
938 this.getLogger().debug(MessageFormat.format("methodName={0}", methodName)); //NOI18N
941 Object value = this.getField(instance, targetClass, methodName);
944 this.getLogger().trace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N
951 * Initializes i18n bundles
953 protected void initBundle () {
955 this.getLogger().trace("CALLED!"); //NOI18N
957 // Is the bundle set?
958 if (this.isBundledInitialized()) {
960 throw new IllegalStateException("called twice"); //NOI18N
964 setBundle(ResourceBundle.getBundle(FrameworkInterface.I18N_BUNDLE_FILE)); // NOI18N
967 this.getLogger().trace("EXIT!"); //NOI18N
971 * Prepares all properties, the file is written if it is not found
973 * @throws java.io.IOException If any IO problem occurs
975 protected void initProperties () throws IOException {
977 this.getLogger().trace("CALLED!"); //NOI18N
980 this.getLogger().debug(MessageFormat.format("{0} properties are loaded already.", BaseFrameworkSystem.properties.size())); //NOI18N
982 // Are some properties loaded?
983 if (!BaseFrameworkSystem.properties.isEmpty()) {
984 // Some are already loaded, abort here
990 BaseFrameworkSystem.properties.load(new BufferedReader(new InputStreamReader(new FileInputStream(FrameworkInterface.PROPERTIES_CONFIG_FILE))));
993 this.getLogger().debug(MessageFormat.format("{0} properties has been loaded.", BaseFrameworkSystem.properties.size())); //NOI18N
994 } catch (final FileNotFoundException ex) {
996 this.getLogger().debug(MessageFormat.format("Properties file {0} not found: {1}", FrameworkInterface.PROPERTIES_CONFIG_FILE, ex)); //NOI18N
999 * The file is not found which is normal for first run, so
1000 * initialize default values.
1002 this.initPropertiesWithDefault();
1005 this.writePropertiesFile();
1009 this.getLogger().trace("EXIT!"); //NOI18N
1013 * Checks whether the given field is a boolean field by probing it.
1015 * @param instance Instance to call
1016 * @param targetClass Target class
1017 * @param columnName Column name to check
1018 * @return Whether the given column name represents a boolean field
1020 protected boolean isBooleanField (final FrameworkInterface instance, final String targetClass, final String columnName) {
1022 this.getLogger().trace(MessageFormat.format("instance={0},targetCLass={1},columnName={2} - CALLED!", instance, targetClass, columnName)); //NOI18N
1024 // Convert column name to getter name (boolean)
1025 String methodName = this.convertColumnNameToGetterMethod(columnName, true);
1027 // Get class instance
1028 Class<? extends FrameworkInterface> c = this.getClassFromTarget(instance, targetClass);
1030 // Defauzlt is boolean
1031 boolean isBool = true;
1034 // Now try to instance the method
1035 Method method = c.getDeclaredMethod(methodName, new Class<?>[0]);
1036 } catch (final NoSuchMethodException ex) {
1038 this.getLogger().debug(MessageFormat.format("Method {0} does not exist, field {1} cannot be boolean: {2}", methodName, columnName, ex)); //NOI18N
1045 this.getLogger().trace(MessageFormat.format("isBool={0} - EXIT!", isBool)); //NOI18N
1052 * Checks if the bundle is initialized
1054 * @return Whether the bundle has been initialized
1056 protected boolean isBundledInitialized () {
1058 return (bundle instanceof ResourceBundle);
1062 * Sets boolean field value with given method name by invoking it
1064 * @param instance The instance to call
1065 * @param targetClass Target class to look in
1066 * @param methodName Method name to look for
1067 * @param columnName Column name
1068 * @param value Boolean value from field
1069 * @throws java.lang.NoSuchMethodException If the method was not found
1070 * @throws java.lang.IllegalAccessException If the method cannot be accessed
1071 * @throws java.lang.reflect.InvocationTargetException Some other problems?
1073 protected void setBooleanField (final FrameworkInterface instance, final String targetClass, final String methodName, final String columnName, final Boolean value) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
1075 this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1}", targetClass, methodName)); //NOI18N
1078 Class<?> type = this.getType(instance, targetClass, columnName);
1080 // Get method instance
1081 Method method = this.getMethodFromName(instance, targetClass, methodName, type);
1083 // Try to get the value by invoking the method
1084 method.invoke(instance, value);
1087 this.getLogger().trace("EXIT!"); //NOI18N
1091 * Sets any field value with given method name by invoking it
1093 * @param instance The instance to call
1094 * @param targetClass Target class to look in
1095 * @param methodName Method name to look for
1096 * @param columnName Column name
1097 * @param value Any value from field
1098 * @throws java.lang.NoSuchMethodException If the method was not found
1099 * @throws java.lang.IllegalAccessException If the method cannot be accessed
1100 * @throws java.lang.reflect.InvocationTargetException Some other problems?
1102 protected void setField (final FrameworkInterface instance, final String targetClass, final String methodName, final String columnName, final Object value) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
1104 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},methodName={2},value={3}", instance, targetClass, methodName, value)); //NOI18N
1107 Class<?> type = this.getType(instance, targetClass, columnName);
1110 this.getLogger().debug(MessageFormat.format("type={0}", type)); //NOI18N
1113 Object object = value;
1115 // Is the value null?
1116 if ("null".equals(value)) { //NOI18N
1118 this.getLogger().warn(MessageFormat.format("columnName={0} has null value.", columnName)); //NOI18N
1123 // Hard-coded "cast" again ... :-(
1124 // TODO Can't we get rid of this???
1125 switch (type.getSimpleName()) {
1126 case "Long": // Long object //NOI18N
1127 object = Long.parseLong((String) value);
1130 case "Float": // Float object //NOI18N
1131 object = Float.parseFloat((String) value);
1134 case "Boolean": // Boolean object //NOI18N
1135 object = Boolean.parseBoolean((String) value);
1138 case "String": // String object //NOI18N
1141 default: // Unsupported type
1142 throw new IllegalArgumentException(MessageFormat.format("value {0} has unsupported type {1}", value, type.getSimpleName())); //NOI18N
1147 this.getLogger().debug(MessageFormat.format("object={0}", object)); //NOI18N
1149 // Get method to call
1150 Method method = this.getMethodFromName(instance, targetClass, methodName, type);
1153 this.getLogger().debug(MessageFormat.format("method={0},instance={1},value[{2}]={3}", method, instance, value.getClass().getSimpleName(), value)); //NOI18N
1155 // Get value from field
1156 method.invoke(instance, object);
1159 this.getLogger().trace("EXIT!"); //NOI18N
1163 * Sets value in properties instance.
1165 * @param key Property key (part) to set
1166 * @param value Property value to set
1168 protected void setProperty (final String key, final String value) {
1170 this.getLogger().trace(MessageFormat.format("key={0},value={1} - CALLED!", key, value)); //NOI18N
1172 // Both should not be null
1175 throw new NullPointerException("key is null"); //NOI18N
1176 } else if (null == value) {
1178 throw new NullPointerException("value is null"); //NOI18N
1182 properties.setProperty(String.format("org.mxchange.%s", key), value); //NOI18N
1185 this.getLogger().trace("EXIT!"); //NOI18N
1189 * Some "setter" for a value in given Storable instance and target class
1191 * @param instance An instance of a Storable class
1192 * @param targetClass The target class (where the field resides)
1193 * @param columnName Column name (= field name)
1194 * @param value Value to set
1195 * @throws java.lang.NoSuchMethodException If the setter is not found
1196 * @throws java.lang.IllegalAccessException If the setter cannot be accessed
1197 * @throws java.lang.reflect.InvocationTargetException Any other problem?
1199 protected void setValueInStorableFromColumn (final Storable instance, final String targetClass, final String columnName, final Object value) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
1201 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},columnName={2},value={3} - CALLED!", instance, targetClass, columnName, value)); //NOI18N
1203 // A '$' means not our field
1204 if (columnName.startsWith("$")) { //NOI18N
1205 // Don't handle these
1206 throw new IllegalArgumentException("columnsName contains $"); //NOI18N
1209 // Determine if the given column is boolean
1210 if (this.isBooleanField(instance, targetClass, columnName)) {
1212 this.getLogger().debug(MessageFormat.format("Column {0} represents a boolean field.", columnName)); //NOI18N
1214 // Yes, then call other method
1215 this.setBooleanField(instance, targetClass, this.convertColumnNameToSetterMethod(columnName), columnName, (Boolean) value);
1218 // Convert column name to field name
1219 String methodName = this.convertColumnNameToSetterMethod(columnName);
1222 this.getLogger().debug(MessageFormat.format("methodName={0}", methodName)); //NOI18N
1225 this.setField(instance, targetClass, methodName, columnName, value);
1228 this.getLogger().trace("EXIT!"); //NOI18N