import java.util.Properties;
import java.util.ResourceBundle;
import java.util.StringTokenizer;
+import java.util.logging.Level;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.mxchange.jcore.application.Application;
Class<? extends FrameworkInterface> c = this.getClassFromTarget(instance, targetClass);
// Init field instance
- Method method = null;
+ Method method = c.getDeclaredMethod(methodName, new Class<?>[0]);
- // Use reflection to get all attributes
- 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;
+ }
+
+ /**
+ * 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
+ * @param type Type reflection to check type from
+ * @return A Method instance
+ */
+ private Method getMethodFromName (final FrameworkInterface instance, final String targetClass, final String methodName, final Class<?> type) throws NoSuchMethodException {
+ // Trace messahe
+ this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1},type={2}", targetClass, methodName, type)); //NOI18N
+
+ // Get target class instance
+ Class<? extends FrameworkInterface> c = this.getClassFromTarget(instance, targetClass);
+
+ // Init field instance
+ Method method = c.getDeclaredMethod(methodName, type);
// Assert on field
assert (method instanceof Method) : "method is not a Method instance"; //NOI18N
*/
protected String convertColumnNameToGetterMethod (final String columnName, boolean isBool) {
// Trace message
- this.getLogger().trace(MessageFormat.format("columnName={0} - CALLED!", columnName)); //NOI18N
+ this.getLogger().trace(MessageFormat.format("columnName={0},isBool={1} - CALLED!", columnName, isBool)); //NOI18N
// Then split on "_"
StringTokenizer tokenizer = new StringTokenizer(columnName, "_"); //NOI18N
return builder.toString();
}
+ /**
+ * Converts a column name like "foo_bar" to a method name like "getFooBar"
+ * for non-booleans and to "isFooBar" for boolean fields.
+ *
+ * @param columnName Column name to convert
+ * @return Attribute name
+ */
+ protected String convertColumnNameToSetterMethod (final String columnName) {
+ // Trace message
+ this.getLogger().trace(MessageFormat.format("columnName={0} - CALLED!", columnName)); //NOI18N
+
+ // Then split on "_"
+ StringTokenizer tokenizer = new StringTokenizer(columnName, "_"); //NOI18N
+
+ // Resulting string
+ StringBuilder builder = new StringBuilder(tokenizer.countTokens());
+
+ // Append "set"
+ builder.append("set"); //NOI18N
+
+ // Walk through all
+ while (tokenizer.hasMoreTokens()) {
+ // Get token
+ String token = tokenizer.nextToken();
+
+ // Debug message
+ this.getLogger().debug(MessageFormat.format("token={0}", token)); //NOI18N
+
+ // Make it upper-case
+ char c = token.charAt(0);
+ token = String.valueOf(c).toUpperCase() + token.substring(1);
+
+ // Add token
+ builder.append(token);
+ }
+
+ // Trace message
+ this.getLogger().trace(MessageFormat.format("builder={0} - EXIT!", builder)); //NOI18N
+
+ // Return result
+ return builder.toString();
+ }
+
/**
* Some "getter" for an array from given string and tokenizer
*
Method method = this.getMethodFromName(instance, targetClass, methodName);
// Get value from field
- Boolean value = false;
+ Boolean value = (Boolean) method.invoke(instance);
- // Try to get the value by invoking the method
- value = (Boolean) method.invoke(instance);
+ // Trace message
+ this.getLogger().trace("value=" + value + " - EXIT!");
// Return value
return value;
}
+ /**
+ * Sets boolean field value with given method name by invoking it
+ *
+ * @param instance The instance to call
+ * @param targetClass Target class to look in
+ * @param methodName Method name to look for
+ * @param columnName Column name
+ * @param value 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 void setBooleanField (final FrameworkInterface instance, final String targetClass, final String methodName, final String columnName, final Boolean value) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+ // Trace messahe
+ this.getLogger().trace(MessageFormat.format("targetClass={0},methodName={1}", targetClass, methodName)); //NOI18N
+
+ // Get field type
+ Class<?> type = this.getType(instance, targetClass, columnName);
+
+ // Get method instance
+ Method method = this.getMethodFromName(instance, targetClass, methodName, type);
+
+ // Try to get the value by invoking the method
+ method.invoke(instance, value);
+
+ // Trace message
+ this.getLogger().trace("EXIT!");
+ }
+
/**
* Manager instance
*
*/
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
+ this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},methodName={2}", instance, targetClass, methodName)); //NOI18N
// Get method to call
Method method = this.getMethodFromName(instance, targetClass, methodName);
+ // Debug message
+ this.getLogger().debug("method=" + method + ",instance=" + instance);
+
// Get value from field
- Object object = method.invoke(instance);
+ Object value = method.invoke(instance);
+
+ // Trace messahe
+ this.getLogger().trace("value=" + value + " - EXIT!");
// Return value
- return object;
+ return value;
+ }
+
+ /**
+ * Sets any field value with given method name by invoking it
+ *
+ * @param instance The instance to call
+ * @param targetClass Target class to look in
+ * @param methodName Method name to look for
+ * @param columnName Column name
+ * @param value 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 void setField (final FrameworkInterface instance, final String targetClass, final String methodName, final String columnName, final Object value) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+ // Trace messahe
+ this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},methodName={2},value={3}", instance, targetClass, methodName, value)); //NOI18N
+
+ // Get field type
+ Class<?> type = this.getType(instance, targetClass, columnName);
+
+ // Debug message
+ this.getLogger().debug("type=" + type);
+
+ // Init object
+ Object object = value;
+
+ // Hard-coded "cast" again ... :-(
+ // @TODO Can't we get rid of this???
+ switch (type.getSimpleName()) {
+ case "Long": // Long object
+ object = Long.parseLong((String) value);
+ break;
+
+ case "Float": // Float object
+ object = Float.parseFloat((String) value);
+ break;
+
+ case "Boolean": // Boolean object
+ object = Boolean.parseBoolean((String) value);
+ break;
+
+ case "String": // String object
+ break;
+
+ default: // Unsupported type
+ throw new IllegalArgumentException("value " + value + " has unsupported type " + type.getSimpleName());
+ }
+
+ // Debug message
+ this.getLogger().debug("object[" + object.getClass().getSimpleName() + "]=" + object);
+
+ // Get method to call
+ Method method = this.getMethodFromName(instance, targetClass, methodName, type);
+
+ // Debug message
+ this.getLogger().debug("method=" + method + ",instance=" + instance + ",value[" + value.getClass().getSimpleName() + "]=" + value);
+
+ // Get value from field
+ method.invoke(instance, object);
+
+ // Trace messahe
+ this.getLogger().trace("EXIT!");
}
/**
// Return it
return names;
}
+
+ /**
+ * Some "setter" for a value in given Storeable instance and target class
+ *
+ * @param instance An instance of a Storeable class
+ * @param targetClass The target class (where the field resides)
+ * @param columnName Column name (= field name)
+ * @param value Value to set
+ * @throws java.lang.NoSuchMethodException If the setter is not found
+ * @throws java.lang.IllegalAccessException If the setter cannot be accessed
+ * @throws java.lang.reflect.InvocationTargetException Any other problem?
+ */
+ protected void setValueInStoreableFromColumn (final Storeable instance, final String targetClass, final String columnName, final Object value) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+ // Trace message
+ this.getLogger().trace("instance=" + instance + ",targetClass=" + targetClass + ",columnName=" + columnName + ",value=" + value + " - CALLED!");
+
+ // A '$' means not our field
+ if (columnName.startsWith("$")) {
+ // Don't handle these
+ throw new IllegalArgumentException("columnsName contains $");
+ }
+
+ // Determine if the given column is boolean
+ if (this.isBooleanField(instance, targetClass, columnName)) {
+ // Debug message
+ this.getLogger().debug("Column " + columnName + " represents a boolean field.");
+
+ // Yes, then call other method
+ this.setBooleanField(instance, targetClass, this.convertColumnNameToSetterMethod(columnName), columnName, (Boolean) value);
+ }
+
+ // Convert column name to field name
+ String methodName = this.convertColumnNameToSetterMethod(columnName);
+
+ // Debug message
+ this.getLogger().debug(MessageFormat.format("methodName={0}", methodName));
+
+ // Get field
+ this.setField(instance, targetClass, methodName, columnName, value);
+
+ // Trace message
+ this.getLogger().trace("EXIT!");
+ }
+
+ /**
+ * Some "getter" for a value from given Storeable instance and target class
+ *
+ * @param instance An instance of a Storeable class
+ * @param targetClass The target class (where the field resides)
+ * @param columnName Column name (= field name)
+ * @return value Value to get
+ * @throws java.lang.NoSuchMethodException If the getter was not found
+ * @throws java.lang.IllegalAccessException If the getter cannot be accessed
+ * @throws java.lang.reflect.InvocationTargetException Some other problems?
+ */
+ protected Object getValueInStoreableFromColumn (final Storeable instance, final String targetClass, final String columnName) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
+ // Trace message
+ this.getLogger().trace(MessageFormat.format("instance={0},targetClass={1},columnName={2} - CALLED!", instance, targetClass, columnName));
+
+ // A '$' means not our field
+ if (columnName.startsWith("$")) {
+ // Don't handle these
+ throw new IllegalArgumentException("columnsName contains $");
+ }
+
+ // Determine if the given column is boolean
+ if (this.isBooleanField(instance, targetClass, columnName)) {
+ // Debug message
+ this.getLogger().debug("Column " + columnName + " represents a boolean field.");
+
+ // Yes, then call other method
+ return this.getBooleanField(instance, targetClass, this.convertColumnNameToGetterMethod(columnName, true));
+ }
+
+ // Convert column name to field name
+ String methodName = this.convertColumnNameToGetterMethod(columnName, false);
+
+ // Debug message
+ this.getLogger().debug(MessageFormat.format("methodName={0}", methodName));
+
+ // Get field
+ Object value = this.getField(instance, targetClass, methodName);
+
+ // Trace message
+ this.getLogger().trace("value=" + value + " - EXIT!");
+
+ // Return value
+ return value;
+ }
+
+ /**
+ * Some getter for type reflection of given column name
+ *
+ * @param instance The instance to check
+ * @param targetClass Target class to check
+ * @param columnName Column name
+ * @return Type reflection of value
+ */
+ private Class<?> getType (final FrameworkInterface instance, final String targetClass, final String columnName) {
+ // Trace message
+ this.getLogger().trace("instance=" + instance + ",targetClass=" + targetClass + ",columnName=" + columnName + " - CALLED!");
+
+ // Init field tye
+ Class<?> type = null;
+
+ // Get all attributes from given instance
+ Field[] fields = this.getClassFromTarget(instance, targetClass).getDeclaredFields();
+
+ // Debug message
+ this.getLogger().debug("fields()=" + fields.length);
+
+ // Search for proper field instance
+ for (final Field field : fields) {
+ // Debug message
+ this.getLogger().debug("field=" + field);
+
+ // Does it match?
+ if (field.getName().equals(columnName)) {
+ // Found it
+ type = field.getType();
+ break;
+ }
+ }
+
+ // type should not be null
+ if (type == null) {
+ // No null allowed
+ throw new NullPointerException("type is null");
+ }
+
+ // Trace message
+ this.getLogger().debug("type=" + type + " - EXIT!");
+
+ // Return it
+ return type;
+ }
}
projects / jcore.git / blobdiff