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package ${package}.utils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class ValidationException extends RuntimeException {
private final List<ValidationException> children;
private String bullet = "";
private String currentMessage;
public ValidationException(final String message) {
this(message, (List<ValidationException>) null);
}
public ValidationException(final String message, final ValidationException child) {
this(message, Arrays.asList(child));
}
public ValidationException(final String message, final List<ValidationException> children_) {
super(message);
this.currentMessage = message;
final List<ValidationException> children = new ArrayList<ValidationException>();
if (children_ != null) {
for (final ValidationException child : children_) {
children.addAll(child.simplify());
}
}
this.children = children;
}
public ValidationException withBullet(final String bullet) {
this.bullet = bullet;
return this;
}
public List<ValidationException> simplify() {
if (getMessage().length() > 0) {
return Arrays.asList(this);
} else {
return this.children;
}
}
public String summary(final int level, final boolean withBullet) {
final int indentPerLevel = 2;
final String spaces = new String(new char[level * indentPerLevel]).replace("\0", " ");
final String bullet;
if (this.bullet.length() > 0 && withBullet) {
bullet = this.bullet;
} else {
bullet = "";
}
return spaces + bullet + this.currentMessage;
}
public String prettyStr(final Integer level_) {
Integer level = level_;
if (level == null) {
level = 0;
}
final List<String> parts = new ArrayList<String>();
int nextLevel;
if (this.currentMessage != null && this.currentMessage.length() > 0) {
parts.add(this.summary(level, true));
nextLevel = level + 1;
} else {
nextLevel = level;
}
for (final ValidationException child : this.children) {
parts.add(child.prettyStr(nextLevel));
}
final String ret = String.join("\n", parts);
return ret;
}
public String getMessage() {
return this.prettyStr(null);
}
}
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