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.logging.log4j.LogManager;
37 import org.apache.logging.log4j.Logger;
38 import org.mxchange.jcore.application.Application;
39 import org.mxchange.jcore.client.Client;
40 import org.mxchange.jcore.contact.Contact;
41 import org.mxchange.jcore.database.backend.DatabaseBackend;
42 import org.mxchange.jcore.database.frontend.DatabaseFrontend;
43 import org.mxchange.jcore.database.storage.Storeable;
44 import org.mxchange.jcore.manager.Manageable;
49 * @author Roland Haeder
51 public class BaseFrameworkSystem implements FrameworkInterface {
56 private static ResourceBundle bundle;
59 * Instance for own properties
61 private static final Properties properties = new Properties(System.getProperties());
66 private static FrameworkInterface selfInstance;
71 private final Logger LOG;
74 * Application instance
76 private Application application;
79 * Instance for database backend
81 private DatabaseBackend backend;
86 private Client client;
91 private Contact contact;
96 private Manageable manager;
99 * Name of used database table, handled over to backend
101 private String tableName;
104 * DatabaseFrontend instance
106 private DatabaseFrontend wrapper;
112 LOG = LogManager.getLogger(this);
116 * No instances can be created of this class
118 protected BaseFrameworkSystem () {
120 this.setSelfInstance();
124 * Getter for this application
126 * @return Instance from this application
128 public static final FrameworkInterface getInstance () {
134 * Application instance
136 * @return the application
139 public final Application getApplication () {
140 return this.application;
149 public final Logger getLogger () {
156 * @return the contactManager
159 public final Manageable getManager () {
164 * Getter for human-readable string from given key
166 * @param key Key to return
167 * @return Human-readable message
170 public final String getMessageStringFromKey (final String key) {
172 return this.getBundle().getString(key);
176 * Some "getter" for target class instance from given name.
178 * @param instance Instance to iterate on
179 * @param targetClass Class name to look for
180 * @return Class instance
182 @SuppressWarnings("unchecked")
183 private Class<? extends FrameworkInterface> getClassFromTarget (final FrameworkInterface instance, final String targetClass) {
185 this.getLogger().debug(MessageFormat.format("instance={0},targetClass={1}", instance, targetClass)); //NOI18N
187 // Instance reflaction of this class
188 Class<? extends FrameworkInterface> c = instance.getClass();
191 while (!targetClass.equals(c.getSimpleName())) {
193 this.getLogger().debug(MessageFormat.format("c={0}", c.getSimpleName())); //NOI18N
195 // Get super class (causes unchecked warning)
196 c = (Class<? extends FrameworkInterface>) c.getSuperclass();
200 this.getLogger().trace(MessageFormat.format("c={0} - EXIT!", c)); //NOI18N
207 * Some "getter" for a Method instance from given method name
209 * @param instance Actual instance to call
210 * @param targetClass Target class name
211 * @param methodName Method name
212 * @return A Method instance
214 private Method getMethodFromName (final FrameworkInterface instance, final String targetClass, final String methodName) throws NoSuchMethodException {
216 this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1}", targetClass, methodName)); //NOI18N
218 // Get target class instance
219 Class<? extends FrameworkInterface> c = this.getClassFromTarget(instance, targetClass);
221 // Init field instance
222 Method method = c.getDeclaredMethod(methodName, new Class<?>[0]);
225 assert (method instanceof Method) : "method is not a Method instance"; //NOI18N
228 this.getLogger().trace(MessageFormat.format("method={0} - EXIT!", method)); //NOI18N
235 * Some "getter" for a Method instance from given method name
237 * @param instance Actual instance to call
238 * @param targetClass Target class name
239 * @param methodName Method name
240 * @param type Type reflection to check type from
241 * @return A Method instance
243 private Method getMethodFromName (final FrameworkInterface instance, final String targetClass, final String methodName, final Class<?> type) throws NoSuchMethodException {
245 this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1},type={2}", targetClass, methodName, type)); //NOI18N
247 // Get target class instance
248 Class<? extends FrameworkInterface> c = this.getClassFromTarget(instance, targetClass);
250 // Init field instance
251 Method method = c.getDeclaredMethod(methodName, type);
254 assert (method instanceof Method) : "method is not a Method instance"; //NOI18N
257 this.getLogger().trace(MessageFormat.format("method={0} - EXIT!", method)); //NOI18N
264 * Setter for self instance
266 private void setSelfInstance () {
267 // Need to set it here
272 * Aborts program with given exception
274 * @param throwable Any type of Throwable
276 protected final void abortProgramWithException (final Throwable throwable) {
278 this.getLogger().catching(throwable);
285 * Application instance
287 * @param application the application to set
289 protected final void setApplication (final Application application) {
290 this.application = application;
299 public final Client getClient () {
304 * Getter for bundle instance
306 * @return Resource bundle
308 protected final ResourceBundle getBundle () {
309 return BaseFrameworkSystem.bundle;
315 * @param client the client to set
317 protected final void setClient (final Client client) {
318 this.client = client;
322 * Name of used database table, handled over to backend
324 * @return the tableName
326 public final String getTableName () {
327 return this.tableName;
331 * Checks if given boolean field is available and set to same value
333 * @param columnName Column name to check
334 * @param bool Boolean value
335 * @return Whether all conditions are met
336 * @throws NoSuchMethodException May be thrown by some implementations
337 * @throws java.lang.IllegalAccessException If the method cannot be accessed
338 * @throws java.lang.reflect.InvocationTargetException Any other problems?
341 public boolean isFieldValueEqual (final String columnName, final boolean bool) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
343 throw new UnsupportedOperationException(MessageFormat.format("Not implemented. columnName={0},bool={1}", columnName, bool)); //NOI18N
349 * @param exception Exception to log
352 public final void logException (final Throwable exception) {
353 // Log this exception
354 this.getLogger().catching(exception);
358 * Initializes properties with default values
360 private void initPropertiesWithDefault () {
362 this.getLogger().trace("CALLED!"); //NOI18N
364 // Init default values:
365 // Default database backend
366 BaseFrameworkSystem.properties.put("org.mxchange.database.backend.class", "org.mxchange.jcore.database.backend.base64.Base64CsvDatabaseBackend"); //NOI18N
367 BaseFrameworkSystem.properties.put("database.backend.storagepath", "data/"); //NOI18N
370 BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.host", "localhost"); //NOI18N
371 BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.dbname", "test"); //NOI18N
372 BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.login", ""); //NOI18N
373 BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.password", ""); //NOI18N
376 this.getLogger().trace("EXIT!"); //NOI18N
380 * Writes the properties file to disk
382 private void writePropertiesFile () throws IOException {
384 this.getLogger().trace("CALLED!"); //NOI18N
387 BaseFrameworkSystem.properties.store(new PrintWriter(FrameworkInterface.PROPERTIES_CONFIG_FILE), "This file is automatically generated. You may wish to alter it."); //NOI18N
390 this.getLogger().trace("EXIT!"); //NOI18N
394 * Converts a column name like "foo_bar" to an attribute name like "fooBar"
396 * @param columnName Column name to convert
397 * @return Attribute name
399 protected String convertColumnNameToAttribute (final String columnName) {
401 this.getLogger().trace(MessageFormat.format("columnName={0} - CALLED!", columnName)); //NOI18N
403 // First all lower case
404 String lower = columnName.toLowerCase();
407 StringTokenizer tokenizer = new StringTokenizer(lower, "_"); //NOI18N
410 StringBuilder builder = new StringBuilder(tokenizer.countTokens());
416 while (tokenizer.hasMoreTokens()) {
418 String token = tokenizer.nextToken();
420 // Is later than first element?
422 // Make first character upper-case
423 char c = token.charAt(0);
424 token = String.valueOf(c).toUpperCase() + token.substring(1);
428 builder.append(token);
435 this.getLogger().trace(MessageFormat.format("builder={0} - EXIT!", builder)); //NOI18N
438 return builder.toString();
442 * Converts a column name like "foo_bar" to a method name like "getFooBar"
443 * for non-booleans and to "isFooBar" for boolean fields.
445 * @param columnName Column name to convert
446 * @param isBool Whether the parameter is boolean
447 * @return Attribute name
449 protected String convertColumnNameToGetterMethod (final String columnName, boolean isBool) {
451 this.getLogger().trace(MessageFormat.format("columnName={0},isBool={1} - CALLED!", columnName, isBool)); //NOI18N
454 StringTokenizer tokenizer = new StringTokenizer(columnName, "_"); //NOI18N
457 StringBuilder builder = new StringBuilder(tokenizer.countTokens());
462 builder.append("is"); //NOI18N
465 builder.append("get"); //NOI18N
469 while (tokenizer.hasMoreTokens()) {
471 String token = tokenizer.nextToken();
474 this.getLogger().debug(MessageFormat.format("token={0}", token)); //NOI18N
476 // Make it upper-case
477 char c = token.charAt(0);
478 token = String.valueOf(c).toUpperCase() + token.substring(1);
481 builder.append(token);
485 this.getLogger().trace(MessageFormat.format("builder={0} - EXIT!", builder)); //NOI18N
488 return builder.toString();
492 * Converts a column name like "foo_bar" to a method name like "getFooBar"
493 * for non-booleans and to "isFooBar" for boolean fields.
495 * @param columnName Column name to convert
496 * @return Attribute name
498 protected String convertColumnNameToSetterMethod (final String columnName) {
500 this.getLogger().trace(MessageFormat.format("columnName={0} - CALLED!", columnName)); //NOI18N
503 StringTokenizer tokenizer = new StringTokenizer(columnName, "_"); //NOI18N
506 StringBuilder builder = new StringBuilder(tokenizer.countTokens());
509 builder.append("set"); //NOI18N
512 while (tokenizer.hasMoreTokens()) {
514 String token = tokenizer.nextToken();
517 this.getLogger().debug(MessageFormat.format("token={0}", token)); //NOI18N
519 // Make it upper-case
520 char c = token.charAt(0);
521 token = String.valueOf(c).toUpperCase() + token.substring(1);
524 builder.append(token);
528 this.getLogger().trace(MessageFormat.format("builder={0} - EXIT!", builder)); //NOI18N
531 return builder.toString();
535 * Some "getter" for an array from given string and tokenizer
537 * @param str String to tokenize and get array from
538 * @param delimiter Delimiter
539 * @param size Size of array
540 * @return Array from tokenized string
541 * @todo Get rid of size parameter
543 protected String[] getArrayFromString (final String str, final String delimiter, final int size) {
545 this.getLogger().trace(MessageFormat.format("str={0},delimiter={1},size={2} - CALLED!", str, delimiter, size)); //NOI18N
548 StringTokenizer tokenizer = new StringTokenizer(str, delimiter);
550 // Init array and index
551 String[] tokens = new String[size];
554 // Run through all tokens
555 while (tokenizer.hasMoreTokens()) {
556 // Get current token and add it
557 tokens[index] = tokenizer.nextToken();
560 this.getLogger().debug(MessageFormat.format("Token at index{0}: {1}", index, tokens[1])); //NOI18N
567 this.getLogger().trace(MessageFormat.format("tokens({0})={1} - EXIT!", tokens.length, Arrays.toString(tokens))); //NOI18N
574 * Returns boolean field value from given method name by invoking it
576 * @param instance The instance to call
577 * @param targetClass Target class to look in
578 * @param methodName Method name to look for
579 * @return Boolean value from field
580 * @throws java.lang.NoSuchMethodException If the method was not found
581 * @throws java.lang.IllegalAccessException If the method cannot be accessed
582 * @throws java.lang.reflect.InvocationTargetException Some other problems?
584 protected boolean getBooleanField (final FrameworkInterface instance, final String targetClass, final String methodName) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
586 this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1}", targetClass, methodName)); //NOI18N
588 // Get method instance
589 Method method = this.getMethodFromName(instance, targetClass, methodName);
591 // Get value from field
592 Boolean value = (Boolean) method.invoke(instance);
595 this.getLogger().trace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N
602 * Sets boolean field value with given method name by invoking it
604 * @param instance The instance to call
605 * @param targetClass Target class to look in
606 * @param methodName Method name to look for
607 * @param columnName Column name
608 * @param value Boolean value from field
609 * @throws java.lang.NoSuchMethodException If the method was not found
610 * @throws java.lang.IllegalAccessException If the method cannot be accessed
611 * @throws java.lang.reflect.InvocationTargetException Some other problems?
613 protected void setBooleanField (final FrameworkInterface instance, final String targetClass, final String methodName, final String columnName, final Boolean value) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
615 this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1}", targetClass, methodName)); //NOI18N
618 Class<?> type = this.getType(instance, targetClass, columnName);
620 // Get method instance
621 Method method = this.getMethodFromName(instance, targetClass, methodName, type);
623 // Try to get the value by invoking the method
624 method.invoke(instance, value);
627 this.getLogger().trace("EXIT!"); //NOI18N
633 * @param manager the manager instance to set
635 protected final void setContactManager (final Manageable manager) {
636 this.manager = manager;
640 * Returns any field value from given method name by invoking it
642 * @param instance The instance to call
643 * @param targetClass Target class to look in
644 * @param methodName Method name to look for
645 * @return Any value from field
646 * @throws java.lang.NoSuchMethodException If the method was not found
647 * @throws java.lang.IllegalAccessException If the method cannot be accessed
648 * @throws java.lang.reflect.InvocationTargetException Some other problems?
650 protected Object getField (final FrameworkInterface instance, final String targetClass, final String methodName) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
652 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},methodName={2}", instance, targetClass, methodName)); //NOI18N
654 // Get method to call
655 Method method = this.getMethodFromName(instance, targetClass, methodName);
658 this.getLogger().debug(MessageFormat.format("method={0},instance={1}", method, instance)); //NOI18N
660 // Get value from field
661 Object value = method.invoke(instance);
664 this.getLogger().trace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N
671 * Sets any field value with given method name by invoking it
673 * @param instance The instance to call
674 * @param targetClass Target class to look in
675 * @param methodName Method name to look for
676 * @param columnName Column name
677 * @param value Any value from field
678 * @throws java.lang.NoSuchMethodException If the method was not found
679 * @throws java.lang.IllegalAccessException If the method cannot be accessed
680 * @throws java.lang.reflect.InvocationTargetException Some other problems?
682 protected void setField (final FrameworkInterface instance, final String targetClass, final String methodName, final String columnName, final Object value) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
684 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},methodName={2},value={3}", instance, targetClass, methodName, value)); //NOI18N
687 Class<?> type = this.getType(instance, targetClass, columnName);
690 this.getLogger().debug(MessageFormat.format("type={0}", type)); //NOI18N
693 Object object = value;
695 // Hard-coded "cast" again ... :-(
696 // @TODO Can't we get rid of this???
697 switch (type.getSimpleName()) {
698 case "Long": // Long object //NOI18N
699 object = Long.parseLong((String) value);
702 case "Float": // Float object //NOI18N
703 object = Float.parseFloat((String) value);
706 case "Boolean": // Boolean object //NOI18N
707 object = Boolean.parseBoolean((String) value);
710 case "String": // String object //NOI18N
713 default: // Unsupported type
714 throw new IllegalArgumentException(MessageFormat.format("value {0} has unsupported type {1}", value, type.getSimpleName())); //NOI18N
718 this.getLogger().debug(MessageFormat.format("object[{0}]={1}", object.getClass().getSimpleName(), object)); //NOI18N
720 // Get method to call
721 Method method = this.getMethodFromName(instance, targetClass, methodName, type);
724 this.getLogger().debug(MessageFormat.format("method={0},instance={1},value[{2}]={3}", method, instance, value.getClass().getSimpleName(), value)); //NOI18N
726 // Get value from field
727 method.invoke(instance, object);
730 this.getLogger().trace("EXIT!"); //NOI18N
734 * Getter for property which must exist
736 * @param key Key to get
737 * @return Propety value
739 protected final String getProperty (final String key) {
740 return BaseFrameworkSystem.properties.getProperty(String.format("org.mxchange.%s", key)); //NOI18N
744 * Name of used database table, handled over to backend
746 * @param tableName the tableName to set
748 protected final void setTableName (final String tableName) {
749 this.tableName = tableName;
753 * Converts null to empty string or leaves original string.
755 * @param str Any string
756 * @return Empty string if null or original string
758 protected Object convertNullToEmpty (final Object str) {
760 this.getLogger().trace(MessageFormat.format("str={0}", str)); //NOI18N
764 // Return empty string
769 this.getLogger().trace(MessageFormat.format("str={0} - EXIT!", str)); //NOI18N
776 * Creates an iterator from given instance and class name.
778 * @param instance Instance to run getter calls on
779 * @param className Class name to iterate over
780 * @return An iterator over all object's fields
781 * @throws java.lang.NoSuchMethodException If the called method does not exist
782 * @throws java.lang.IllegalAccessException If the method cannot be accessed
783 * @throws java.lang.reflect.InvocationTargetException Any other problems?
785 protected Iterator<Map.Entry<Field, Object>> fieldIterator (final Storeable instance, final String className) throws IllegalArgumentException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
787 this.getLogger().trace(MessageFormat.format("instance={0},className={1} - CALLED!", instance, className)); //NOI18N
789 // Get all attributes from given instance
790 Field[] fields = this.getClassFromTarget(instance, className).getDeclaredFields();
793 this.getLogger().debug(MessageFormat.format("Found {0} fields.", fields.length)); //NOI18N
795 // A simple map with K=fieldName and V=Value is fine
796 Map<Field, Object> map = new HashMap<>(fields.length);
799 for (final Field field : fields) {
801 this.getLogger().debug(MessageFormat.format("field={0}", field.getName())); //NOI18N
803 // Does the field start with "$"?
804 if (field.getName().startsWith("$")) { //NOI18N
806 this.getLogger().debug(MessageFormat.format("Skipping field={0} as it starts with a dollar character.", field.getName())); //NOI18N
813 this.getLogger().debug(MessageFormat.format("Calling getValueFromColumn({0}) on instance {1} ...", field.getName(), instance)); //NOI18N
816 Object value = instance.getValueFromColumn(field.getName());
819 this.getLogger().debug(MessageFormat.format("Adding field={0},value={1}", field.getName(), value)); //NOI18N
822 map.put(field, value);
826 this.getLogger().debug(MessageFormat.format("Returning iterator for {0} entries ...", map.size())); //NOI18N
828 // Return list iterator
829 return map.entrySet().iterator();
833 * Instance for database backend
835 * @return the backend
837 protected final DatabaseBackend getBackend () {
842 * Instance for database backend
844 * @param backend the backend to set
846 protected final void setBackend (final DatabaseBackend backend) {
847 this.backend = backend;
851 * Getter for Contact instance
853 * @return Contact instance
855 protected final Contact getContact () {
860 * Setter for Contact instance
862 * @param contact A Contact instance
864 protected final void setContact (final Contact contact) {
865 this.contact = contact;
869 * Getter for DatabaseFrontend instance
871 * @return DatabaseFrontend instance
873 protected final DatabaseFrontend getFrontend () {
878 * Setter for wrapper instance
880 * @param wrapper A DatabaseFrontend instance
882 protected final void setFrontend (final DatabaseFrontend wrapper) {
883 this.wrapper = wrapper;
887 * Initializes i18n bundles
889 protected void initBundle () {
891 this.getLogger().trace("CALLED!"); //NOI18N
893 // Is the bundle set?
894 if (bundle instanceof ResourceBundle) {
896 throw new IllegalStateException("called twice"); //NOI18N
900 bundle = ResourceBundle.getBundle(FrameworkInterface.I18N_BUNDLE_FILE); // NOI18N
903 this.getLogger().trace("EXIT!"); //NOI18N
907 * Prepares all properties, the file is written if it is not found
909 * @throws java.io.IOException If any IO problem occurs
911 protected void initProperties () throws IOException {
913 this.getLogger().trace("CALLED!"); //NOI18N
916 this.getLogger().debug(MessageFormat.format("{0} properties are loaded already.", BaseFrameworkSystem.properties.size())); //NOI18N
918 // Are some properties loaded?
919 if (!BaseFrameworkSystem.properties.isEmpty()) {
920 // Some are already loaded, abort here
926 BaseFrameworkSystem.properties.load(new BufferedReader(new InputStreamReader(new FileInputStream(FrameworkInterface.PROPERTIES_CONFIG_FILE))));
929 this.getLogger().debug(MessageFormat.format("{0} properties has been loaded.", BaseFrameworkSystem.properties.size())); //NOI18N
930 } catch (final FileNotFoundException ex) {
932 this.getLogger().debug(MessageFormat.format("Properties file {0} not found: {1}", FrameworkInterface.PROPERTIES_CONFIG_FILE, ex)); //NOI18N
935 * The file is not found which is normal for first run, so
936 * initialize default values.
938 this.initPropertiesWithDefault();
941 this.writePropertiesFile();
945 this.getLogger().trace("EXIT!"); //NOI18N
949 * Checks whether the given field is a boolean field by probing it.
951 * @param instance Instance to call
952 * @param targetClass Target class
953 * @param columnName Column name to check
954 * @return Whether the given column name represents a boolean field
956 protected boolean isBooleanField (final FrameworkInterface instance, final String targetClass, final String columnName) {
958 this.getLogger().trace(MessageFormat.format("instance={0},targetCLass={1},columnName={2} - CALLED!", instance, targetClass, columnName)); //NOI18N
960 // Convert column name to getter name (boolean)
961 String methodName = this.convertColumnNameToGetterMethod(columnName, true);
963 // Get class instance
964 Class<? extends FrameworkInterface> c = this.getClassFromTarget(instance, targetClass);
966 // Defauzlt is boolean
967 boolean isBool = true;
970 // Now try to instance the method
971 Method method = c.getDeclaredMethod(methodName, new Class<?>[0]);
972 } catch (final NoSuchMethodException ex) {
974 this.getLogger().debug(MessageFormat.format("Method {0} does not exist, field {1} cannot be boolean: {2}", methodName, columnName, ex)); //NOI18N
981 this.getLogger().trace(MessageFormat.format("isBool={0} - EXIT!", isBool)); //NOI18N
988 * Sets value in properties instance.
990 * @param key Property key (part) to set
991 * @param value Property value to set
993 protected void setProperty (final String key, final String value) {
995 this.getLogger().trace(MessageFormat.format("key={0},value={1} - CALLED!", key, value)); //NOI18N
997 // Both should not be null
1000 throw new NullPointerException("key is null"); //NOI18N
1001 } else if (value == null) {
1003 throw new NullPointerException("value is null"); //NOI18N
1007 properties.setProperty(String.format("org.mxchange.%s", key), value); //NOI18N
1010 this.getLogger().trace("EXIT!"); //NOI18N
1014 * Some getter for properties names (without org.mxchange)
1016 * @return An array with property names
1018 protected String[] getPropertyNames () {
1021 "database.backend.class", //NOI18N
1022 "database.backend.storagepath", //NOI18N
1023 "database.mysql.login", //NOI18N
1024 "database.mysql.host", //NOI18N
1025 "database.mysql.password", //NOI18N
1026 "database.mysql.dbname", //NOI18N
1034 * Some "setter" for a value in given Storeable instance and target class
1036 * @param instance An instance of a Storeable class
1037 * @param targetClass The target class (where the field resides)
1038 * @param columnName Column name (= field name)
1039 * @param value Value to set
1040 * @throws java.lang.NoSuchMethodException If the setter is not found
1041 * @throws java.lang.IllegalAccessException If the setter cannot be accessed
1042 * @throws java.lang.reflect.InvocationTargetException Any other problem?
1044 protected void setValueInStoreableFromColumn (final Storeable instance, final String targetClass, final String columnName, final Object value) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
1046 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},columnName={2},value={3} - CALLED!", instance, targetClass, columnName, value)); //NOI18N
1048 // A '$' means not our field
1049 if (columnName.startsWith("$")) { //NOI18N
1050 // Don't handle these
1051 throw new IllegalArgumentException("columnsName contains $"); //NOI18N
1054 // Determine if the given column is boolean
1055 if (this.isBooleanField(instance, targetClass, columnName)) {
1057 this.getLogger().debug(MessageFormat.format("Column {0} represents a boolean field.", columnName)); //NOI18N
1059 // Yes, then call other method
1060 this.setBooleanField(instance, targetClass, this.convertColumnNameToSetterMethod(columnName), columnName, (Boolean) value);
1063 // Convert column name to field name
1064 String methodName = this.convertColumnNameToSetterMethod(columnName);
1067 this.getLogger().debug(MessageFormat.format("methodName={0}", methodName)); //NOI18N
1070 this.setField(instance, targetClass, methodName, columnName, value);
1073 this.getLogger().trace("EXIT!"); //NOI18N
1077 * Some "getter" for a value from given Storeable instance and target class
1079 * @param instance An instance of a Storeable class
1080 * @param targetClass The target class (where the field resides)
1081 * @param columnName Column name (= field name)
1082 * @return value Value to get
1083 * @throws java.lang.NoSuchMethodException If the getter was not found
1084 * @throws java.lang.IllegalAccessException If the getter cannot be accessed
1085 * @throws java.lang.reflect.InvocationTargetException Some other problems?
1087 protected Object getValueInStoreableFromColumn (final Storeable instance, final String targetClass, final String columnName) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
1089 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},columnName={2} - CALLED!", instance, targetClass, columnName)); //NOI18N
1091 // A '$' means not our field
1092 if (columnName.startsWith("$")) { //NOI18N
1093 // Don't handle these
1094 throw new IllegalArgumentException("columnsName contains $"); //NOI18N
1097 // Determine if the given column is boolean
1098 if (this.isBooleanField(instance, targetClass, columnName)) {
1100 this.getLogger().debug(MessageFormat.format("Column {0} represents a boolean field.", columnName)); //NOI18N
1102 // Yes, then call other method
1103 return this.getBooleanField(instance, targetClass, this.convertColumnNameToGetterMethod(columnName, true));
1106 // Convert column name to field name
1107 String methodName = this.convertColumnNameToGetterMethod(columnName, false);
1110 this.getLogger().debug(MessageFormat.format("methodName={0}", methodName)); //NOI18N
1113 Object value = this.getField(instance, targetClass, methodName);
1116 this.getLogger().trace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N
1123 * Some getter for type reflection of given column name
1125 * @param instance The instance to check
1126 * @param targetClass Target class to check
1127 * @param columnName Column name
1128 * @return Type reflection of value
1130 private Class<?> getType (final FrameworkInterface instance, final String targetClass, final String columnName) {
1132 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},columnName={2} - CALLED!", instance, targetClass, columnName)); //NOI18N
1135 Class<?> type = null;
1137 // Get all attributes from given instance
1138 Field[] fields = this.getClassFromTarget(instance, targetClass).getDeclaredFields();
1141 this.getLogger().debug("fields()=" + fields.length); //NOI18N
1143 // Search for proper field instance
1144 for (final Field field : fields) {
1146 this.getLogger().debug("field=" + field); //NOI18N
1149 if (field.getName().equals(columnName)) {
1151 type = field.getType();
1156 // type should not be null
1159 throw new NullPointerException("type is null"); //NOI18N
1163 this.getLogger().debug(MessageFormat.format("type={0} - EXIT!", type)); //NOI18N