/**
* @return the delegate bound to this decorator. Never a <code>null</code> reference.
* @throws IllegalArgumentException if the delegate returned by {@link #createDelegate()} is
* <code>null</code> or the same reference as this decorator class
*/
protected final UISelectMany<VALUETYPE> getDelegate() {
if (delegate == null) {
delegate = createDelegate();
Assert.notNull(delegate, "Delegate cannot be null");
Assert.isTrue(delegate != this, "Decorator cannot delegate to itself");
}
return delegate;
}
/** Create a new {@link AddonDependencyEntry} with the given attributes. */
public static AddonDependencyEntry create(
String name, VersionRange range, boolean exported, boolean optional) {
Assert.notNull(name, "Addon name must not be null.");
Assert.notNull(range, "Addon version must not be null.");
AddonDependencyEntry entry = new AddonDependencyEntry();
entry.name = name;
entry.version = range;
entry.exported = exported;
entry.optional = optional;
return entry;
}
public static boolean delete(File file, final boolean recursive) {
Assert.notNull(file, "File to delete must not be null.");
boolean result = false;
if (recursive) {
result = _deleteRecursive(file, true);
} else {
if ((file.listFiles() != null) && (file.listFiles().length != 0)) {
throw new RuntimeException("directory not empty");
}
if (OperatingSystemUtils.isWindows()) {
System.gc(); // ensure no lingering handles that would prevent deletion
}
result = file.delete();
}
return result;
}
private static boolean _deleteRecursive(final File file, final boolean collect) {
Assert.notNull(file, "File to delete must not be null.");
boolean result = true;
if (collect && OperatingSystemUtils.isWindows()) {
System.gc(); // ensure no lingering handles that would prevent deletion
}
File[] children = file.listFiles();
if (children != null) {
for (File sf : children) {
if (sf.isDirectory()) {
if (!_deleteRecursive(sf, false)) result = false;
} else {
if (!sf.delete()) result = false;
}
}
}
return file.delete() && result;
}
/**
* Requests that the file or directory denoted by this resource be deleted when the virtual
* machine terminates.
*
* <p>Once deletion has been requested, it is not possible to cancel the request. This method
* should therefore be used with care.
*/
public static void deleteOnExit(File file) {
Assert.notNull(file, "File to delete must not be null.");
file.deleteOnExit();
}
public static boolean delete(File file) {
Assert.notNull(file, "File to delete must not be null.");
return delete(file, false);
}
/** Optionally specify the variable name to use for the output of this condition */
@Override
public ConditionBuilder as(String variable) {
Assert.notNull(variable, "Variable name must not be null.");
this.setOutputVariablesName(variable);
return this;
}