* @param columnName Column name
* @return Value from field
* @throws IllegalArgumentException Some implementations may throw this.
+ * @throws NoSuchMethodException Some implementations may throw this.
+ * @throws java.lang.IllegalAccessException If the method cannot be accessed
+ * @throws java.lang.reflect.InvocationTargetException Any other problems?
*/
@Override
- public Object getValueFromColumn (final String columnName) throws IllegalArgumentException {
+ public Object getValueFromColumn (final String columnName) throws IllegalArgumentException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
throw new UnsupportedOperationException(MessageFormat.format("Not implemented. columnName={0}", columnName)); //NOI18N
}
* @param targetClass Class name to look for
* @return Class instance
*/
- @SuppressWarnings ("unchecked")
+ @SuppressWarnings("unchecked")
private Class<? extends FrameworkInterface> getClassFromTarget (final FrameworkInterface instance, final String targetClass) {
// Trace message
this.getLogger().debug(MessageFormat.format("instance={0},targetClass={1}", instance, targetClass)); //NOI18N
-
+
// Instance reflaction of this class
Class<? extends FrameworkInterface> c = instance.getClass();
-
+
// Analyze class
while (!targetClass.equals(c.getSimpleName())) {
// Debug message
this.getLogger().debug(MessageFormat.format("c={0}", c.getSimpleName())); //NOI18N
-
+
// Get super class (causes unchecked warning)
c = (Class<? extends FrameworkInterface>) c.getSuperclass();
}
// Trace message
this.getLogger().trace(MessageFormat.format("c={0} - EXIT!", c)); //NOI18N
-
+
// Return it
return c;
}
* @param methodName Method name
* @return A Method instance
*/
- private Method getMethodFromName (final FrameworkInterface instance, final String targetClass, final String methodName) {
+ private Method getMethodFromName (final FrameworkInterface instance, final String targetClass, final String methodName) throws NoSuchMethodException {
// Trace messahe
this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1}", targetClass, methodName)); //NOI18N
-
+
// Get target class instance
Class<? extends FrameworkInterface> c = this.getClassFromTarget(instance, targetClass);
-
+
// Init field instance
Method method = null;
-
+
// Use reflection to get all attributes
- try {
- method = c.getDeclaredMethod(methodName, new Class<?>[0]);
- } catch (final SecurityException | NoSuchMethodException ex) {
- // Security problem
- this.abortProgramWithException(ex);
- }
-
+ method = c.getDeclaredMethod(methodName, new Class<?>[0]);
+
// Assert on field
assert (method instanceof Method) : "method is not a Method instance"; //NOI18N
-
+
// Trace message
this.getLogger().trace(MessageFormat.format("method={0} - EXIT!", method)); //NOI18N
-
+
// Return it
return method;
}
/**
* Aborts program with given exception
*
- * @param throwable Any type of Throwable
+ * @param throwable Any type of Throwable
*/
protected final void abortProgramWithException (final Throwable throwable) {
// Log exception ...
this.getLogger().catching(throwable);
-
+
// .. and exit
System.exit(1);
-
}
/**
* @param columnName Column name to check
* @param bool Boolean value
* @return Whether all conditions are met
+ * @throws NoSuchMethodException May be thrown by some implementations
+ * @throws java.lang.IllegalAccessException If the method cannot be accessed
+ * @throws java.lang.reflect.InvocationTargetException Any other problems?
*/
@Override
- public boolean isValueEqual (final String columnName, final boolean bool) {
+ public boolean isValueEqual (final String columnName, final boolean bool) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
// Not implemented
throw new UnsupportedOperationException(MessageFormat.format("Not implemented. columnName={0},bool={1}", columnName, bool)); //NOI18N
}
// Init default values:
// Default database backend
BaseFrameworkSystem.properties.put("org.mxchange.database.backend.class", "org.mxchange.jcore.database.backend.base64.Base64CsvDatabaseBackend"); //NOI18N
+ BaseFrameworkSystem.properties.put("database.backend.storagepath", "data/"); //NOI18N
// For MySQL backend
BaseFrameworkSystem.properties.put("org.mxchange.database.mysql.host", "localhost"); //NOI18N
/**
* Writes the properties file to disk
*/
- private void writePropertiesFile () {
+ private void writePropertiesFile () throws IOException {
// Trace message
this.getLogger().trace("CALLED!"); //NOI18N
- try {
- // Write it
- BaseFrameworkSystem.properties.store(new PrintWriter(FrameworkInterface.PROPERTIES_CONFIG_FILE), "This file is automatically generated. You may wish to alter it."); //NOI18N
- } catch (final IOException ex) {
- this.abortProgramWithException(ex);
- }
+ // Write it
+ BaseFrameworkSystem.properties.store(new PrintWriter(FrameworkInterface.PROPERTIES_CONFIG_FILE), "This file is automatically generated. You may wish to alter it."); //NOI18N
// Trace message
this.getLogger().trace("EXIT!"); //NOI18N
* @param targetClass Target class to look in
* @param methodName Method name to look for
* @return Boolean value from field
+ * @throws java.lang.NoSuchMethodException If the method was not found
+ * @throws java.lang.IllegalAccessException If the method cannot be accessed
+ * @throws java.lang.reflect.InvocationTargetException Some other problems?
*/
- protected boolean getBooleanField (final FrameworkInterface instance, final String targetClass, final String methodName) {
+ protected boolean getBooleanField (final FrameworkInterface instance, final String targetClass, final String methodName) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
// Trace messahe
this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1}", targetClass, methodName)); //NOI18N
// Get value from field
Boolean value = false;
- try {
- value = (Boolean) method.invoke(instance);
- } catch (final IllegalArgumentException | IllegalAccessException | InvocationTargetException ex) {
- // Other problem
- this.abortProgramWithException(ex);
- }
+ // Try to get the value by invoking the method
+ value = (Boolean) method.invoke(instance);
// Return value
return value;
* @param targetClass Target class to look in
* @param methodName Method name to look for
* @return Any value from field
+ * @throws java.lang.NoSuchMethodException If the method was not found
+ * @throws java.lang.IllegalAccessException If the method cannot be accessed
+ * @throws java.lang.reflect.InvocationTargetException Some other problems?
*/
- protected Object getField (final FrameworkInterface instance, final String targetClass, final String methodName) {
+ protected Object getField (final FrameworkInterface instance, final String targetClass, final String methodName) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
// Trace messahe
this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1}", targetClass, methodName)); //NOI18N
-
+
// Get method to call
Method method = this.getMethodFromName(instance, targetClass, methodName);
-
+
// Get value from field
- Object object = null;
-
- try {
- object = method.invoke(instance);
- } catch (final IllegalArgumentException | IllegalAccessException | InvocationTargetException ex) {
- // Other problem
- this.abortProgramWithException(ex);
- }
+ Object object = method.invoke(instance);
// Return value
return object;
*/
protected Object convertNullToEmpty (final Object str) {
// Trace message
- this.getLogger().trace(MessageFormat.format("str={0}", str));
-
+ this.getLogger().trace(MessageFormat.format("str={0}", str)); //NOI18N
+
// Is it null?
if (str == null) {
// Return empty string
- return "";
+ return ""; //NOI18N
}
// Trace message
- this.getLogger().trace(MessageFormat.format("str={0} - EXIT!", str));
-
+ this.getLogger().trace(MessageFormat.format("str={0} - EXIT!", str)); //NOI18N
+
// Return it
return str;
}
* @param instance Instance to run getter calls on
* @param className Class name to iterate over
* @return An iterator over all object's fields
+ * @throws java.lang.NoSuchMethodException If the called method does not exist
+ * @throws java.lang.IllegalAccessException If the method cannot be accessed
+ * @throws java.lang.reflect.InvocationTargetException Any other problems?
*/
- protected Iterator<Map.Entry<Field, Object>> fieldIterator (final FrameworkInterface instance, final String className) {
+ protected Iterator<Map.Entry<Field, Object>> fieldIterator (final FrameworkInterface instance, final String className) throws IllegalArgumentException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
// Trace message
- this.getLogger().trace(MessageFormat.format("instance={0},className={1} - CALLED!", instance, className));
-
+ this.getLogger().trace(MessageFormat.format("instance={0},className={1} - CALLED!", instance, className)); //NOI18N
+
// Get all attributes from given instance
Field[] fields = this.getClassFromTarget(instance, className).getDeclaredFields();
-
+
// Debug message
- this.getLogger().debug(MessageFormat.format("Found {0} fields.", fields.length));
-
+ this.getLogger().debug(MessageFormat.format("Found {0} fields.", fields.length)); //NOI18N
+
// A simple map with K=fieldName and V=Value is fine
Map<Field, Object> map = new HashMap<>(fields.length);
-
+
// Walk through all
for (final Field field : fields) {
// Debug log
- this.getLogger().debug(MessageFormat.format("field={0}", field.getName()));
+ this.getLogger().debug(MessageFormat.format("field={0}", field.getName())); //NOI18N
// Does the field start with "$"?
- if (field.getName().startsWith("$")) {
+ if (field.getName().startsWith("$")) { //NOI18N
+ // Debug message
+ this.getLogger().debug(MessageFormat.format("Skipping field={0} as it starts with a dollar character.", field.getName())); //NOI18N
+
// Skip it silently
continue;
}
+ // Debug message
+ this.getLogger().debug(MessageFormat.format("Calling getValueFromColumn({0}) on instance {1} ...", field.getName(), instance)); //NOI18N
+
// Get value from it
- Object value = this.getValueFromColumn(field.getName());
+ Object value = instance.getValueFromColumn(field.getName());
// Debug message
- this.getLogger().debug(MessageFormat.format("value={0}", value));
+ this.getLogger().debug(MessageFormat.format("Adding field={0},value={1}", field.getName(), value)); //NOI18N
// Add it to list
map.put(field, value);
}
// Debug message
- this.getLogger().debug(MessageFormat.format("Returning iterator for {0} entries ...", map.size()));
+ this.getLogger().debug(MessageFormat.format("Returning iterator for {0} entries ...", map.size())); //NOI18N
// Return list iterator
return map.entrySet().iterator();
* Initializes i18n bundles
*/
protected void initBundle () {
+ // Trace message
+ this.getLogger().trace("CALLED!");
+
// Is the bundle set?
if (bundle instanceof ResourceBundle) {
// Is already set
- throw new IllegalStateException("called twice");
+ throw new IllegalStateException("called twice"); //NOI18N
}
// Set instance
bundle = ResourceBundle.getBundle(FrameworkInterface.I18N_BUNDLE_FILE); // NOI18N
+
+ // Trace message
+ this.getLogger().trace("EXIT!");
}
-
+
/**
* Prepares all properties, the file is written if it is not found
+ *
+ * @throws java.io.IOException If any IO problem occurs
*/
- protected void initProperties () {
+ protected void initProperties () throws IOException {
// Trace message
this.getLogger().trace("CALLED!"); //NOI18N
// Write file
this.writePropertiesFile();
- } catch (final IOException ex) {
- // Something else didn't work
- this.abortProgramWithException(ex);
}
// Trace message
// Not found
isBool = false;
- } catch (final SecurityException ex) {
- // Really bad?
- this.abortProgramWithException(ex);
}
// Trace message
return isBool;
}
+ /**
+ * Sets value in properties instance.
+ *
+ * @param key Property key (part) to set
+ * @param value Property value to set
+ */
+ protected void setProperty (final String key, final String value) {
+ // Trace message
+ this.getLogger().trace(MessageFormat.format("key={0},value={1} - CALLED!", key, value)); //NOI18N
+
+ // Both should not be null
+ if (key == null) {
+ // key is null
+ throw new NullPointerException("key is null");
+ } else if (value == null) {
+ // value is null
+ throw new NullPointerException("value is null");
+ }
+
+ // Set it
+ properties.setProperty(String.format("org.mxchange.%s", key), value); //NOI18N
+
+ // Trace message
+ this.getLogger().trace("EXIT!"); //NOI18N
+ }
+
+ /**
+ * Some getter for properties names (without org.mxchange)
+ *
+ * @return An array with property names
+ */
+ protected String[] getPropertyNames () {
+ // Init array
+ String[] names = {
+ "database.backend.class", //NOI18N
+ "database.backend.storagepath", //NOI18N
+ "database.mysql.login", //NOI18N
+ "database.mysql.host", //NOI18N
+ "database.mysql.password", //NOI18N
+ "database.mysql.dbname", //NOI18N
+ };
+
+ // Return it
+ return names;
+ }
}
projects / jcore.git / blobdiff