infra.beans.PropertyBatchUpdateException Maven / Gradle / Ivy
/*
* Copyright 2017 - 2024 the original author or authors.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see [https://www.gnu.org/licenses/]
*/
package infra.beans;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.StringJoiner;
import infra.lang.Assert;
import infra.lang.Nullable;
import infra.util.ObjectUtils;
/**
* Combined exception, composed of individual PropertyAccessException instances.
* An object of this class is created at the beginning of the binding
* process, and errors added to it as necessary.
*
* The binding process continues when it encounters application-level
* PropertyAccessExceptions, applying those changes that can be applied
* and storing rejected changes in an object of this class.
*
* @author Rod Johnson
* @author Juergen Hoeller
* @author Harry Yang
* @since 4.0 2022/2/17 17:39
*/
public class PropertyBatchUpdateException extends BeansException {
/** List of PropertyAccessException objects. */
private final PropertyAccessException[] propertyAccessExceptions;
/**
* Create a new PropertyBatchUpdateException.
*
* @param propertyAccessExceptions the List of PropertyAccessExceptions
*/
public PropertyBatchUpdateException(PropertyAccessException[] propertyAccessExceptions) {
super(null, null);
Assert.notEmpty(propertyAccessExceptions, "At least 1 PropertyAccessException required");
this.propertyAccessExceptions = propertyAccessExceptions;
}
/**
* If this returns 0, no errors were encountered during binding.
*/
public final int getExceptionCount() {
return this.propertyAccessExceptions.length;
}
/**
* Return an array of the propertyAccessExceptions stored in this object.
*
Will return the empty array (not {@code null}) if there were no errors.
*/
public final PropertyAccessException[] getPropertyAccessExceptions() {
return this.propertyAccessExceptions;
}
/**
* Return the exception for this field, or {@code null} if there isn't any.
*/
@Nullable
public PropertyAccessException getPropertyAccessException(String propertyName) {
for (PropertyAccessException pae : this.propertyAccessExceptions) {
if (ObjectUtils.nullSafeEquals(propertyName, pae.getPropertyName())) {
return pae;
}
}
return null;
}
@Override
public String getMessage() {
StringJoiner stringJoiner = new StringJoiner("; ", "Failed properties: ", "");
for (PropertyAccessException exception : this.propertyAccessExceptions) {
stringJoiner.add(exception.getMessage());
}
return stringJoiner.toString();
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(getClass().getName()).append("; nested PropertyAccessExceptions (");
sb.append(getExceptionCount()).append(") are:");
for (int i = 0; i < this.propertyAccessExceptions.length; i++) {
sb.append('\n').append("PropertyAccessException ").append(i + 1).append(": ");
sb.append(this.propertyAccessExceptions[i]);
}
return sb.toString();
}
@Override
public void printStackTrace(PrintStream ps) {
synchronized(ps) {
ps.println(getClass().getName() + "; nested PropertyAccessException details (" +
getExceptionCount() + ") are:");
for (int i = 0; i < this.propertyAccessExceptions.length; i++) {
ps.println("PropertyAccessException " + (i + 1) + ":");
this.propertyAccessExceptions[i].printStackTrace(ps);
}
}
}
@Override
public void printStackTrace(PrintWriter pw) {
synchronized(pw) {
pw.println(getClass().getName() + "; nested PropertyAccessException details (" +
getExceptionCount() + ") are:");
for (int i = 0; i < this.propertyAccessExceptions.length; i++) {
pw.println("PropertyAccessException " + (i + 1) + ":");
this.propertyAccessExceptions[i].printStackTrace(pw);
}
}
}
@Override
public boolean contains(@Nullable Class exType) {
if (exType == null) {
return false;
}
if (exType.isInstance(this)) {
return true;
}
for (PropertyAccessException pae : this.propertyAccessExceptions) {
if (pae.contains(exType)) {
return true;
}
}
return false;
}
}