/**
* Populates the object with the specified parameter.
*
* @param object the object which should be populated.
* @param baseDir the base directory for the population.
* @param param the parameter
* @param methodsByName the methods known of the object
* @throws IllegalArgumentException when a parameter has a syntax error or when a needed method
* has not be found.
* @throws InvocationTargetException when the method could not be called
* @throws IllegalAccessException when the method could not be accessed
*/
private static void populate(
Object object,
File baseDir,
String parameterName,
String parameterValue,
HashMap methodsByName)
throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {
String methodName =
"set" + Character.toUpperCase(parameterName.charAt(0)) + parameterName.substring(1);
Method method = (Method) methodsByName.get(methodName);
if (method == null) {
throw new IllegalArgumentException(
"To use the parameter ["
+ parameterName
+ "] the class ["
+ object.getClass().getName()
+ "] needs to specify the method "
+ methodName
+ "(String), "
+ methodName
+ "(boolean) or "
+ methodName
+ "(File). ");
}
Class paramType = method.getParameterTypes()[0];
if (paramType == String.class) {
method.invoke(object, new Object[] {parameterValue});
} else if (paramType == Boolean.TYPE) {
Boolean argument = new Boolean(CastUtil.getBoolean(parameterValue));
method.invoke(object, new Object[] {argument});
} else {
File file = new File(parameterValue);
if (!file.isAbsolute()) {
file = new File(baseDir.getAbsolutePath() + File.separator + parameterValue);
}
method.invoke(object, new Object[] {file});
}
}
/**
* Populates the given object with the specified parameter. For the parameter-name the given
* object needs to specify either set[param-name]( String ), set[param-name]( File ) or
* set[param-name]( boolean ). When the parameter "message" is provided, either the method
* setMessage( String value ), setMessage( File value ) or setMessage( boolean ) needs to be
* defined by the given object. When the object defines both methods, it cannot be foreseen which
* one of them will be called.
*
* @param object the object which should be populated.
* @param parameterName the name of the parameter.
* @param parameterValue the value of the parameter
* @param baseDir the base directory for the population.
* @throws IllegalArgumentException when a parameter has a syntax error or when a needed method
* has not be found.
*/
public static final void populate(
Object object, String parameterName, String parameterValue, File baseDir) {
String methodName = parameterName;
if (methodName == null) {
throw new IllegalArgumentException("The parameter does not contain a name.");
}
methodName = "set" + Character.toUpperCase(methodName.charAt(0)) + methodName.substring(1);
Class objectClass = object.getClass();
Method method = null;
Object argument = null;
String value = parameterValue;
try {
method = objectClass.getMethod(methodName, new Class[] {String.class});
argument = value;
} catch (NoSuchMethodException e) {
try {
method = objectClass.getMethod(methodName, new Class[] {File.class});
if (value != null) {
File file = new File(value);
if (!file.isAbsolute()) {
file = new File(baseDir, value);
}
argument = file;
}
} catch (NoSuchMethodException e2) {
try {
method = objectClass.getMethod(methodName, new Class[] {Boolean.TYPE});
argument = new Boolean(CastUtil.getBoolean(value));
} catch (NoSuchMethodException e3) {
throw new IllegalArgumentException(
"Unable to retrieve method " + methodName + ": " + e3.toString());
}
}
} catch (SecurityException e) {
e.printStackTrace();
throw new IllegalArgumentException(
"Unable to retrieve method " + methodName + ": " + e.toString());
}
try {
// okay, we've now have a method and an argument, so let's invoke it:
method.invoke(object, new Object[] {argument});
} catch (IllegalArgumentException e) {
throw e;
} catch (IllegalAccessException e) {
e.printStackTrace();
String message =
"Unable to set the parameter ["
+ parameterName
+ "] with value ["
+ parameterValue
+ "] for class ["
+ object.getClass().getName()
+ "]: "
+ e.toString();
throw new IllegalArgumentException(message);
} catch (InvocationTargetException e) {
e.printStackTrace();
String message =
"Unable to set the parameter ["
+ parameterName
+ "] with value ["
+ parameterValue
+ "] for class ["
+ object.getClass().getName()
+ "]: "
+ e.toString();
throw new IllegalArgumentException(message);
}
}
public int size() {
return CastUtil.toInt(Script.code(js, ".length"));
}
public Optional<String> getIndexByKey(int index) {
return Optional.ofNullable(Script.code(js, ".key(", CastUtil.toObject(index), ")"));
}
