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.logException(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;
313 * Setter for bundle instance
315 * @param bundle the bundle to set
317 protected static void setBundle (final ResourceBundle bundle) {
318 BaseFrameworkSystem.bundle = bundle;
324 * @param client the client to set
326 protected final void setClient (final Client client) {
327 this.client = client;
331 * Name of used database table, handled over to backend
333 * @return the tableName
335 public final String getTableName () {
336 return this.tableName;
340 * Checks if given boolean field is available and set to same value
342 * @param columnName Column name to check
343 * @param bool Boolean value
344 * @return Whether all conditions are met
345 * @throws NoSuchMethodException May be thrown by some implementations
346 * @throws java.lang.IllegalAccessException If the method cannot be accessed
347 * @throws java.lang.reflect.InvocationTargetException Any other problems?
350 public boolean isFieldValueEqual (final String columnName, final boolean bool) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
352 throw new UnsupportedOperationException(MessageFormat.format("Not implemented. columnName={0},bool={1}", columnName, bool)); //NOI18N
358 * @param exception Exception to log
361 public final void logException (final Throwable exception) {
362 // Log this exception
363 this.getLogger().catching(exception);
367 * Initializes properties with default values
369 private void initPropertiesWithDefault () {
371 this.getLogger().trace("CALLED!"); //NOI18N
373 // Init default values:
374 // Default database backend
375 BaseFrameworkSystem.properties.put("org.mxchange.database.backend.class", "org.mxchange.jcore.database.backend.base64.Base64CsvDatabaseBackend"); //NOI18N
376 BaseFrameworkSystem.properties.put("org.mxchange.database.backend.storagepath", "data/"); //NOI18N
377 BaseFrameworkSystem.properties.put("org.mxchange.database.datasource.name", ""); //NOI18N
380 BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.host", "localhost"); //NOI18N
381 BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.dbname", "test"); //NOI18N
382 BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.login", ""); //NOI18N
383 BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.password", ""); //NOI18N
386 this.getLogger().trace("EXIT!"); //NOI18N
390 * Writes the properties file to disk
392 private void writePropertiesFile () throws IOException {
394 this.getLogger().trace("CALLED!"); //NOI18N
397 BaseFrameworkSystem.properties.store(new PrintWriter(FrameworkInterface.PROPERTIES_CONFIG_FILE), "This file is automatically generated. You may wish to alter it."); //NOI18N
400 this.getLogger().trace("EXIT!"); //NOI18N
404 * Converts a column name like "foo_bar" to an attribute name like "fooBar"
406 * @param columnName Column name to convert
407 * @return Attribute name
409 protected String convertColumnNameToAttribute (final String columnName) {
411 this.getLogger().trace(MessageFormat.format("columnName={0} - CALLED!", columnName)); //NOI18N
413 // First all lower case
414 String lower = columnName.toLowerCase();
417 StringTokenizer tokenizer = new StringTokenizer(lower, "_"); //NOI18N
420 StringBuilder builder = new StringBuilder(tokenizer.countTokens());
426 while (tokenizer.hasMoreTokens()) {
428 String token = tokenizer.nextToken();
430 // Is later than first element?
432 // Make first character upper-case
433 char c = token.charAt(0);
434 token = String.valueOf(c).toUpperCase() + token.substring(1);
438 builder.append(token);
445 this.getLogger().trace(MessageFormat.format("builder={0} - EXIT!", builder)); //NOI18N
448 return builder.toString();
452 * Converts a column name like "foo_bar" to a method name like "getFooBar"
453 * for non-booleans and to "isFooBar" for boolean fields.
455 * @param columnName Column name to convert
456 * @param isBool Whether the parameter is boolean
457 * @return Attribute name
459 protected String convertColumnNameToGetterMethod (final String columnName, boolean isBool) {
461 this.getLogger().trace(MessageFormat.format("columnName={0},isBool={1} - CALLED!", columnName, isBool)); //NOI18N
464 StringTokenizer tokenizer = new StringTokenizer(columnName, "_"); //NOI18N
467 StringBuilder builder = new StringBuilder(tokenizer.countTokens());
472 builder.append("is"); //NOI18N
475 builder.append("get"); //NOI18N
479 while (tokenizer.hasMoreTokens()) {
481 String token = tokenizer.nextToken();
484 this.getLogger().debug(MessageFormat.format("token={0}", token)); //NOI18N
486 // Make it upper-case
487 char c = token.charAt(0);
488 token = String.valueOf(c).toUpperCase() + token.substring(1);
491 builder.append(token);
495 this.getLogger().trace(MessageFormat.format("builder={0} - EXIT!", builder)); //NOI18N
498 return builder.toString();
502 * Converts a column name like "foo_bar" to a method name like "getFooBar"
503 * for non-booleans and to "isFooBar" for boolean fields.
505 * @param columnName Column name to convert
506 * @return Attribute name
508 protected String convertColumnNameToSetterMethod (final String columnName) {
510 this.getLogger().trace(MessageFormat.format("columnName={0} - CALLED!", columnName)); //NOI18N
513 StringTokenizer tokenizer = new StringTokenizer(columnName, "_"); //NOI18N
516 StringBuilder builder = new StringBuilder(tokenizer.countTokens());
519 builder.append("set"); //NOI18N
522 while (tokenizer.hasMoreTokens()) {
524 String token = tokenizer.nextToken();
527 this.getLogger().debug(MessageFormat.format("token={0}", token)); //NOI18N
529 // Make it upper-case
530 char c = token.charAt(0);
531 token = String.valueOf(c).toUpperCase() + token.substring(1);
534 builder.append(token);
538 this.getLogger().trace(MessageFormat.format("builder={0} - EXIT!", builder)); //NOI18N
541 return builder.toString();
545 * Some "getter" for an array from given string and tokenizer
547 * @param str String to tokenize and get array from
548 * @param delimiter Delimiter
549 * @param size Size of array
550 * @return Array from tokenized string
551 * @todo Get rid of size parameter
553 protected String[] getArrayFromString (final String str, final String delimiter, final int size) {
555 this.getLogger().trace(MessageFormat.format("str={0},delimiter={1},size={2} - CALLED!", str, delimiter, size)); //NOI18N
558 StringTokenizer tokenizer = new StringTokenizer(str, delimiter);
560 // Init array and index
561 String[] tokens = new String[size];
564 // Run through all tokens
565 while (tokenizer.hasMoreTokens()) {
566 // Get current token and add it
567 tokens[index] = tokenizer.nextToken();
570 this.getLogger().debug(MessageFormat.format("Token at index{0}: {1}", index, tokens[1])); //NOI18N
577 this.getLogger().trace(MessageFormat.format("tokens({0})={1} - EXIT!", tokens.length, Arrays.toString(tokens))); //NOI18N
584 * Returns boolean field value from given method name by invoking it
586 * @param instance The instance to call
587 * @param targetClass Target class to look in
588 * @param methodName Method name to look for
589 * @return Boolean value from field
590 * @throws java.lang.NoSuchMethodException If the method was not found
591 * @throws java.lang.IllegalAccessException If the method cannot be accessed
592 * @throws java.lang.reflect.InvocationTargetException Some other problems?
594 protected boolean getBooleanField (final FrameworkInterface instance, final String targetClass, final String methodName) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
596 this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1}", targetClass, methodName)); //NOI18N
598 // Get method instance
599 Method method = this.getMethodFromName(instance, targetClass, methodName);
601 // Get value from field
602 Boolean value = (Boolean) method.invoke(instance);
605 this.getLogger().trace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N
612 * Sets boolean field value with given method name by invoking it
614 * @param instance The instance to call
615 * @param targetClass Target class to look in
616 * @param methodName Method name to look for
617 * @param columnName Column name
618 * @param value Boolean value from field
619 * @throws java.lang.NoSuchMethodException If the method was not found
620 * @throws java.lang.IllegalAccessException If the method cannot be accessed
621 * @throws java.lang.reflect.InvocationTargetException Some other problems?
623 protected void setBooleanField (final FrameworkInterface instance, final String targetClass, final String methodName, final String columnName, final Boolean value) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
625 this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1}", targetClass, methodName)); //NOI18N
628 Class<?> type = this.getType(instance, targetClass, columnName);
630 // Get method instance
631 Method method = this.getMethodFromName(instance, targetClass, methodName, type);
633 // Try to get the value by invoking the method
634 method.invoke(instance, value);
637 this.getLogger().trace("EXIT!"); //NOI18N
643 * @param manager the manager instance to set
645 protected final void setContactManager (final Manageable manager) {
646 this.manager = manager;
650 * Returns any field value from given method name by invoking it
652 * @param instance The instance to call
653 * @param targetClass Target class to look in
654 * @param methodName Method name to look for
655 * @return Any value from field
656 * @throws java.lang.NoSuchMethodException If the method was not found
657 * @throws java.lang.IllegalAccessException If the method cannot be accessed
658 * @throws java.lang.reflect.InvocationTargetException Some other problems?
660 protected Object getField (final FrameworkInterface instance, final String targetClass, final String methodName) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
662 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},methodName={2}", instance, targetClass, methodName)); //NOI18N
664 // Get method to call
665 Method method = this.getMethodFromName(instance, targetClass, methodName);
668 this.getLogger().debug(MessageFormat.format("method={0},instance={1}", method, instance)); //NOI18N
670 // Get value from field
671 Object value = method.invoke(instance);
674 this.getLogger().trace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N
681 * Sets any field value with given method name by invoking it
683 * @param instance The instance to call
684 * @param targetClass Target class to look in
685 * @param methodName Method name to look for
686 * @param columnName Column name
687 * @param value Any value from field
688 * @throws java.lang.NoSuchMethodException If the method was not found
689 * @throws java.lang.IllegalAccessException If the method cannot be accessed
690 * @throws java.lang.reflect.InvocationTargetException Some other problems?
692 protected void setField (final FrameworkInterface instance, final String targetClass, final String methodName, final String columnName, final Object value) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
694 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},methodName={2},value={3}", instance, targetClass, methodName, value)); //NOI18N
697 Class<?> type = this.getType(instance, targetClass, columnName);
700 this.getLogger().debug(MessageFormat.format("type={0}", type)); //NOI18N
703 Object object = value;
705 // Hard-coded "cast" again ... :-(
706 // @TODO Can't we get rid of this???
707 switch (type.getSimpleName()) {
708 case "Long": // Long object //NOI18N
709 object = Long.parseLong((String) value);
712 case "Float": // Float object //NOI18N
713 object = Float.parseFloat((String) value);
716 case "Boolean": // Boolean object //NOI18N
717 object = Boolean.parseBoolean((String) value);
720 case "String": // String object //NOI18N
723 default: // Unsupported type
724 throw new IllegalArgumentException(MessageFormat.format("value {0} has unsupported type {1}", value, type.getSimpleName())); //NOI18N
728 this.getLogger().debug(MessageFormat.format("object[{0}]={1}", object.getClass().getSimpleName(), object)); //NOI18N
730 // Get method to call
731 Method method = this.getMethodFromName(instance, targetClass, methodName, type);
734 this.getLogger().debug(MessageFormat.format("method={0},instance={1},value[{2}]={3}", method, instance, value.getClass().getSimpleName(), value)); //NOI18N
736 // Get value from field
737 method.invoke(instance, object);
740 this.getLogger().trace("EXIT!"); //NOI18N
744 * Getter for property which must exist
746 * @param key Key to get
747 * @return Propety value
749 protected final String getProperty (final String key) {
750 return BaseFrameworkSystem.properties.getProperty(String.format("org.mxchange.%s", key)); //NOI18N
754 * Name of used database table, handled over to backend
756 * @param tableName the tableName to set
758 protected final void setTableName (final String tableName) {
759 this.tableName = tableName;
763 * Converts null to empty string or leaves original string.
765 * @param str Any string
766 * @return Empty string if null or original string
768 protected Object convertNullToEmpty (final Object str) {
770 this.getLogger().trace(MessageFormat.format("str={0}", str)); //NOI18N
774 // Return empty string
779 this.getLogger().trace(MessageFormat.format("str={0} - EXIT!", str)); //NOI18N
786 * Creates an iterator from given instance and class name.
788 * @param instance Instance to run getter calls on
789 * @param className Class name to iterate over
790 * @return An iterator over all object's fields
791 * @throws java.lang.NoSuchMethodException If the called method does not exist
792 * @throws java.lang.IllegalAccessException If the method cannot be accessed
793 * @throws java.lang.reflect.InvocationTargetException Any other problems?
795 protected Iterator<Map.Entry<Field, Object>> fieldIterator (final Storeable instance, final String className) throws IllegalArgumentException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
797 this.getLogger().trace(MessageFormat.format("instance={0},className={1} - CALLED!", instance, className)); //NOI18N
799 // Get all attributes from given instance
800 Field[] fields = this.getClassFromTarget(instance, className).getDeclaredFields();
803 this.getLogger().debug(MessageFormat.format("Found {0} fields.", fields.length)); //NOI18N
805 // A simple map with K=fieldName and V=Value is fine
806 Map<Field, Object> map = new HashMap<>(fields.length);
809 for (final Field field : fields) {
811 this.getLogger().debug(MessageFormat.format("field={0}", field.getName())); //NOI18N
813 // Does the field start with "$"?
814 if (field.getName().startsWith("$")) { //NOI18N
816 this.getLogger().debug(MessageFormat.format("Skipping field={0} as it starts with a dollar character.", field.getName())); //NOI18N
823 this.getLogger().debug(MessageFormat.format("Calling getValueFromColumn({0}) on instance {1} ...", field.getName(), instance)); //NOI18N
826 Object value = instance.getValueFromColumn(field.getName());
829 this.getLogger().debug(MessageFormat.format("Adding field={0},value={1}", field.getName(), value)); //NOI18N
832 map.put(field, value);
836 this.getLogger().debug(MessageFormat.format("Returning iterator for {0} entries ...", map.size())); //NOI18N
838 // Return list iterator
839 return map.entrySet().iterator();
843 * Instance for database backend
845 * @return the backend
847 protected final DatabaseBackend getBackend () {
852 * Instance for database backend
854 * @param backend the backend to set
856 protected final void setBackend (final DatabaseBackend backend) {
857 this.backend = backend;
861 * Getter for Contact instance
863 * @return Contact instance
865 protected final Contact getContact () {
870 * Setter for Contact instance
872 * @param contact A Contact instance
874 protected final void setContact (final Contact contact) {
875 this.contact = contact;
879 * Getter for DatabaseFrontend instance
881 * @return DatabaseFrontend instance
883 protected final DatabaseFrontend getFrontend () {
888 * Setter for wrapper instance
890 * @param wrapper A DatabaseFrontend instance
892 protected final void setFrontend (final DatabaseFrontend wrapper) {
893 this.wrapper = wrapper;
897 * Initializes i18n bundles
899 protected void initBundle () {
901 this.getLogger().trace("CALLED!"); //NOI18N
903 // Is the bundle set?
904 if (bundle instanceof ResourceBundle) {
906 throw new IllegalStateException("called twice"); //NOI18N
910 setBundle(ResourceBundle.getBundle(FrameworkInterface.I18N_BUNDLE_FILE)); // NOI18N
913 this.getLogger().trace("EXIT!"); //NOI18N
917 * Prepares all properties, the file is written if it is not found
919 * @throws java.io.IOException If any IO problem occurs
921 protected void initProperties () throws IOException {
923 this.getLogger().trace("CALLED!"); //NOI18N
926 this.getLogger().debug(MessageFormat.format("{0} properties are loaded already.", BaseFrameworkSystem.properties.size())); //NOI18N
928 // Are some properties loaded?
929 if (!BaseFrameworkSystem.properties.isEmpty()) {
930 // Some are already loaded, abort here
936 BaseFrameworkSystem.properties.load(new BufferedReader(new InputStreamReader(new FileInputStream(FrameworkInterface.PROPERTIES_CONFIG_FILE))));
939 this.getLogger().debug(MessageFormat.format("{0} properties has been loaded.", BaseFrameworkSystem.properties.size())); //NOI18N
940 } catch (final FileNotFoundException ex) {
942 this.getLogger().debug(MessageFormat.format("Properties file {0} not found: {1}", FrameworkInterface.PROPERTIES_CONFIG_FILE, ex)); //NOI18N
945 * The file is not found which is normal for first run, so
946 * initialize default values.
948 this.initPropertiesWithDefault();
951 this.writePropertiesFile();
955 this.getLogger().trace("EXIT!"); //NOI18N
959 * Checks whether the given field is a boolean field by probing it.
961 * @param instance Instance to call
962 * @param targetClass Target class
963 * @param columnName Column name to check
964 * @return Whether the given column name represents a boolean field
966 protected boolean isBooleanField (final FrameworkInterface instance, final String targetClass, final String columnName) {
968 this.getLogger().trace(MessageFormat.format("instance={0},targetCLass={1},columnName={2} - CALLED!", instance, targetClass, columnName)); //NOI18N
970 // Convert column name to getter name (boolean)
971 String methodName = this.convertColumnNameToGetterMethod(columnName, true);
973 // Get class instance
974 Class<? extends FrameworkInterface> c = this.getClassFromTarget(instance, targetClass);
976 // Defauzlt is boolean
977 boolean isBool = true;
980 // Now try to instance the method
981 Method method = c.getDeclaredMethod(methodName, new Class<?>[0]);
982 } catch (final NoSuchMethodException ex) {
984 this.getLogger().debug(MessageFormat.format("Method {0} does not exist, field {1} cannot be boolean: {2}", methodName, columnName, ex)); //NOI18N
991 this.getLogger().trace(MessageFormat.format("isBool={0} - EXIT!", isBool)); //NOI18N
998 * Sets value in properties instance.
1000 * @param key Property key (part) to set
1001 * @param value Property value to set
1003 protected void setProperty (final String key, final String value) {
1005 this.getLogger().trace(MessageFormat.format("key={0},value={1} - CALLED!", key, value)); //NOI18N
1007 // Both should not be null
1010 throw new NullPointerException("key is null"); //NOI18N
1011 } else if (value == null) {
1013 throw new NullPointerException("value is null"); //NOI18N
1017 properties.setProperty(String.format("org.mxchange.%s", key), value); //NOI18N
1020 this.getLogger().trace("EXIT!"); //NOI18N
1024 * Some getter for properties names (without org.mxchange)
1026 * @return An array with property names
1028 protected String[] getPropertyNames () {
1031 "database.backend.class", //NOI18N
1032 "database.backend.storagepath", //NOI18N
1033 "database.mysql.login", //NOI18N
1034 "database.mysql.host", //NOI18N
1035 "database.mysql.password", //NOI18N
1036 "database.mysql.dbname", //NOI18N
1044 * Some "setter" for a value in given Storeable instance and target class
1046 * @param instance An instance of a Storeable class
1047 * @param targetClass The target class (where the field resides)
1048 * @param columnName Column name (= field name)
1049 * @param value Value to set
1050 * @throws java.lang.NoSuchMethodException If the setter is not found
1051 * @throws java.lang.IllegalAccessException If the setter cannot be accessed
1052 * @throws java.lang.reflect.InvocationTargetException Any other problem?
1054 protected void setValueInStoreableFromColumn (final Storeable instance, final String targetClass, final String columnName, final Object value) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
1056 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},columnName={2},value={3} - CALLED!", instance, targetClass, columnName, value)); //NOI18N
1058 // A '$' means not our field
1059 if (columnName.startsWith("$")) { //NOI18N
1060 // Don't handle these
1061 throw new IllegalArgumentException("columnsName contains $"); //NOI18N
1064 // Determine if the given column is boolean
1065 if (this.isBooleanField(instance, targetClass, columnName)) {
1067 this.getLogger().debug(MessageFormat.format("Column {0} represents a boolean field.", columnName)); //NOI18N
1069 // Yes, then call other method
1070 this.setBooleanField(instance, targetClass, this.convertColumnNameToSetterMethod(columnName), columnName, (Boolean) value);
1073 // Convert column name to field name
1074 String methodName = this.convertColumnNameToSetterMethod(columnName);
1077 this.getLogger().debug(MessageFormat.format("methodName={0}", methodName)); //NOI18N
1080 this.setField(instance, targetClass, methodName, columnName, value);
1083 this.getLogger().trace("EXIT!"); //NOI18N
1087 * Some "getter" for a value from given Storeable instance and target class
1089 * @param instance An instance of a Storeable class
1090 * @param targetClass The target class (where the field resides)
1091 * @param columnName Column name (= field name)
1092 * @return value Value to get
1093 * @throws java.lang.NoSuchMethodException If the getter was not found
1094 * @throws java.lang.IllegalAccessException If the getter cannot be accessed
1095 * @throws java.lang.reflect.InvocationTargetException Some other problems?
1097 protected Object getValueInStoreableFromColumn (final Storeable instance, final String targetClass, final String columnName) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
1099 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},columnName={2} - CALLED!", instance, targetClass, columnName)); //NOI18N
1101 // A '$' means not our field
1102 if (columnName.startsWith("$")) { //NOI18N
1103 // Don't handle these
1104 throw new IllegalArgumentException("columnsName contains $"); //NOI18N
1107 // Determine if the given column is boolean
1108 if (this.isBooleanField(instance, targetClass, columnName)) {
1110 this.getLogger().debug(MessageFormat.format("Column {0} represents a boolean field.", columnName)); //NOI18N
1112 // Yes, then call other method
1113 return this.getBooleanField(instance, targetClass, this.convertColumnNameToGetterMethod(columnName, true));
1116 // Convert column name to field name
1117 String methodName = this.convertColumnNameToGetterMethod(columnName, false);
1120 this.getLogger().debug(MessageFormat.format("methodName={0}", methodName)); //NOI18N
1123 Object value = this.getField(instance, targetClass, methodName);
1126 this.getLogger().trace(MessageFormat.format("value={0} - EXIT!", value)); //NOI18N
1133 * Some getter for type reflection of given column name
1135 * @param instance The instance to check
1136 * @param targetClass Target class to check
1137 * @param columnName Column name
1138 * @return Type reflection of value
1140 private Class<?> getType (final FrameworkInterface instance, final String targetClass, final String columnName) {
1142 this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},columnName={2} - CALLED!", instance, targetClass, columnName)); //NOI18N
1145 Class<?> type = null;
1147 // Get all attributes from given instance
1148 Field[] fields = this.getClassFromTarget(instance, targetClass).getDeclaredFields();
1151 this.getLogger().debug("fields()=" + fields.length); //NOI18N
1153 // Search for proper field instance
1154 for (final Field field : fields) {
1156 this.getLogger().debug("field=" + field); //NOI18N
1159 if (field.getName().equals(columnName)) {
1161 type = field.getType();
1166 // type should not be null
1169 throw new NullPointerException("type is null"); //NOI18N
1173 this.getLogger().debug(MessageFormat.format("type={0} - EXIT!", type)); //NOI18N