import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
+import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.text.MessageFormat;
+import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.StringTokenizer;
import org.apache.logging.log4j.Logger;
import org.mxchange.jcore.application.Application;
import org.mxchange.jcore.client.Client;
+import org.mxchange.jcore.contact.Contact;
import org.mxchange.jcore.database.frontend.DatabaseFrontend;
import org.mxchange.jcore.manager.Manageable;
* @author Roland Haeder
*/
public class BaseFrameworkSystem implements FrameworkInterface {
+ /**
+ * Bundle instance
+ */
+ private static ResourceBundle bundle;
/**
* Instance for own properties
*/
private static final Properties properties = new Properties(System.getProperties());
+ /**
+ * Self instance
+ */
+ private static FrameworkInterface selfInstance;
+
/**
* Class' logger
*/
*/
private Application application;
- /**
- * Bundle instance
- */
- private final ResourceBundle bundle;
/**
* Client instance
*/
private Client client;
+ /**
+ * Contact instance
+ */
+ private Contact contact;
+
/**
* Manager instance
*/
*/
private DatabaseFrontend wrapper;
+
/**
* Initialize object
*/
{
LOG = LogManager.getLogger(this);
- bundle = ResourceBundle.getBundle(FrameworkInterface.I18N_BUNDLE_FILE); // NOI18N
+ }
+
+ /**
+ * Getter for this application
+ *
+ * @return Instance from this application
+ */
+ public static final FrameworkInterface getInstance () {
+ // Return it
+ return selfInstance;
}
/**
protected BaseFrameworkSystem () {
// Init properties file
this.initProperties();
+
+ // Set own instance
+ this.setSelfInstance();
}
/**
return this.application;
}
+ /**
+ * Getter for logger
+ *
+ * @return Logger
+ */
+ @Override
+ public final Logger getLogger () {
+ return this.LOG;
+ }
+
+ /**
+ * Manager instance
+ *
+ * @return the contactManager
+ */
+ @Override
+ public final Manageable getManager () {
+ return this.manager;
+ }
+
+ /**
+ * Getter for human-readable string from given key
+ *
+ * @param key Key to return
+ * @return Human-readable message
+ */
+ @Override
+ public final String getMessageStringFromKey (final String key) {
+ // Return message
+ return this.getBundle().getString(key);
+ }
+
+ /**
+ * Some "getter for a value from given column name. This name will be
+ * translated into a method name and then this method is called.
+ *
+ * @param columnName Column name
+ * @return Value from field
+ */
+ @Override
+ public Object getValueFromColumn (final String columnName) {
+ throw new UnsupportedOperationException(MessageFormat.format("Not implemented. columnName={0}", columnName)); //NOI18N
+ }
+
+ /**
+ * Some "getter" for target class instance from given name.
+ *
+ * @param instance Instance to iterate on
+ * @param targetClass Class name to look for
+ * @return Class instance
+ */
+ @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;
+ }
+
+ /**
+ * Some "getter" for a Method instance from given method name
+ *
+ * @param instance Actual instance to call
+ * @param targetClass Target class name
+ * @param methodName Method name
+ * @return A Method instance
+ */
+ private Method getMethodFromName (final FrameworkInterface instance, final String targetClass, final String methodName) {
+ // 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 ex) {
+ // Security problem
+ this.abortProgramWithException(ex);
+ } catch (final NoSuchMethodException ex) {
+ // Method not found
+ this.abortProgramWithException(ex);
+ }
+
+ // 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;
+ }
+
+ /**
+ * Setter for self instance
+ */
+ private void setSelfInstance () {
+ // Need to set it here
+ selfInstance = this;
+ }
+
+ /**
+ * Aborts program with given exception
+ *
+ * @param throwable Any type of Throwable
+ */
+ protected final void abortProgramWithException (final Throwable throwable) {
+ // Log exception ...
+ this.getLogger().catching(throwable);
+
+ // .. and exit
+ System.exit(1);
+
+ }
+
+ /**
+ * Application instance
+ *
+ * @param application the application to set
+ */
+ protected final void setApplication (final Application application) {
+ this.application = application;
+ }
+
/**
* Client instance
*
return this.client;
}
+ /**
+ * Getter for bundle instance
+ *
+ * @return Resource bundle
+ */
+ protected final ResourceBundle getBundle () {
+ return BaseFrameworkSystem.bundle;
+ }
+
+ /**
+ * Client instance
+ *
+ * @param client the client to set
+ */
+ protected final void setClient (final Client client) {
+ this.client = client;
+ }
+
/**
* Checks if given boolean field is available and set to same value
*
* @param delimiter Delimiter
* @param size Size of array
* @return Array from tokenized string
+ * @todo Get rid of size parameter
*/
protected String[] getArrayFromString (final String str, final String delimiter, final int size) {
// Trace message
return value;
}
- /**
- * Client instance
- *
- * @param client the client to set
- */
- protected final void setClient (final Client client) {
- this.client = client;
- }
-
- /**
- * Application instance
- *
- * @param application the application to set
- */
- protected final void setApplication (final Application application) {
- this.application = application;
- }
-
- /**
- * Getter for logger
- *
- * @return Logger
- */
- @Override
- public final Logger getLogger () {
- return this.LOG;
- }
-
- /**
- * Manager instance
- *
- * @return the contactManager
- */
- @Override
- public final Manageable getManager () {
- return this.manager;
- }
-
- /**
- * Getter for human-readable string from given key
- *
- * @param key Key to return
- * @return Human-readable message
- */
- @Override
- public final String getMessageStringFromKey (final String key) {
- // Return message
- return this.getBundle().getString(key);
- }
-
- /**
- * Some "getter for a value from given column name. This name will be
- * translated into a method name and then this method is called.
- *
- * @param columnName Column name
- * @return Value from field
- */
- @Override
- public Object getValueFromColumn (final String columnName) {
- throw new UnsupportedOperationException(MessageFormat.format("Not implemented. columnName={0}", columnName)); //NOI18N
- }
-
- /**
- * Some "getter" for target class instance from given name.
- *
- * @param instance Instance to iterate on
- * @param targetClass Class name to look for
- * @return Class instance
- */
- @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;
- }
-
- /**
- * Some "getter" for a Method instance from given method name
- *
- * @param instance Actual instance to call
- * @param targetClass Target class name
- * @param methodName Method name
- * @return A Method instance
- */
- private Method getMethodFromName (final FrameworkInterface instance, final String targetClass, final String methodName) {
- // 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 ex) {
- // Security problem
- this.abortProgramWithException(ex);
- } catch (final NoSuchMethodException ex) {
- // Method not found
- this.abortProgramWithException(ex);
- }
-
- // 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
- */
- protected final void abortProgramWithException (final Throwable throwable) {
- // Log exception ...
- this.getLogger().catching(throwable);
-
- // .. and exit
- System.exit(1);
-
- }
-
- /**
- * Getter for bundle instance
- *
- * @return Resource bundle
- */
- protected final ResourceBundle getBundle () {
- return this.bundle;
- }
-
/**
* Manager instance
*
* @return Propety value
*/
protected final String getProperty (final String key) {
- return BaseFrameworkSystem.properties.getProperty(String.format("org.mxchange.addressbook.%s", key)); //NOI18N
+ return BaseFrameworkSystem.properties.getProperty(String.format("org.mxchange.%s", key)); //NOI18N
}
/**
*
* @return DatabaseFrontend instance
*/
- protected DatabaseFrontend getWrapper () {
+ protected final DatabaseFrontend getWrapper () {
return this.wrapper;
}
*
* @param wrapper A DatabaseFrontend instance
*/
- protected void setWrapper (final DatabaseFrontend wrapper) {
+ protected final void setWrapper (final DatabaseFrontend wrapper) {
this.wrapper = wrapper;
}
+ /**
+ * Getter for Contact instance
+ *
+ * @return Contact instance
+ */
+ protected final Contact getContact () {
+ return this.contact;
+ }
+
+ /**
+ * Setter for Contact instance
+ *
+ * @param contact A Contact instance
+ */
+ protected final void setContact (final Contact contact) {
+ this.contact = contact;
+ }
+
+ /**
+ * Initializes i18n bundles
+ */
+ protected void initBundle () {
+ // Is the bundle set?
+ if (bundle instanceof ResourceBundle) {
+ // Is already set
+ throw new IllegalStateException("called twice");
+ }
+
+ // Set instance
+ bundle = ResourceBundle.getBundle(FrameworkInterface.I18N_BUNDLE_FILE); // NOI18N
+ }
+
/**
* Checks whether the given field is a boolean field by probing it.
*
// Return result
return isBool;
}
+
+ /**
+ * Creates an iterator from given instance and class name. The class name
+ * is required in getValueFromColumn() to make a proper call.
+ *
+ * @param instance Instance to run getter calls on
+ * @param className Class name to iterate over
+ * @return An iterator over all object's fields
+ */
+ protected Iterator<Object> fieldIterator (final FrameworkInterface instance, final String className) {
+ // Trace message
+ this.getLogger().trace(MessageFormat.format("instance={0},className={1} - CALLED!", instance, className));
+
+ // Get all attributes from given instance
+ Field[] fields = instance.getClass().getDeclaredFields();
+
+ // A list is fine
+ List<Object> list = new ArrayList<>(fields.length);
+
+ // Walk through all
+ for (final Field field : fields) {
+ // Get value from it
+ Object value = this.getValueFromColumn(field.getName());
+
+ // Add it to list
+ assert(list.add(value)) : MessageFormat.format("value {0} has not been added", value);
+ }
+
+ // Debug message
+ this.getLogger().debug(MessageFormat.format("Returning iterator for {0} entries ...", list.size()));
+
+ // Return list iterator
+ return list.iterator();
+ }
}
projects / jcore.git / blobdiff