package org.jdom.contrib.schema;
/* Please see the license information in the header below. */
/*--
$Id: ValidationError.java,v 1.2 2004/02/06 09:57:49 jhunter Exp $
Copyright (C) 2003-2004 Jason Hunter & Brett McLaughlin.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions, and the disclaimer that follows
these conditions in the documentation and/or other materials
provided with the distribution.
3. The name "JDOM" must not be used to endorse or promote products
derived from this software without prior written permission. For
written permission, please contact <request_AT_jdom_DOT_org>.
4. Products derived from this software may not be called "JDOM", nor
may "JDOM" appear in their name, without prior written permission
from the JDOM Project Management <request_AT_jdom_DOT_org>.
In addition, we request (but do not require) that you include in the
end-user documentation provided with the redistribution and/or in the
software itself an acknowledgement equivalent to the following:
"This product includes software developed by the
JDOM Project (http://www.jdom.org/)."
Alternatively, the acknowledgment may be graphical using the logos
available at http://www.jdom.org/images/logos.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE JDOM AUTHORS OR THE PROJECT
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
This software consists of voluntary contributions made by many
individuals on behalf of the JDOM Project and was originally
created by Jason Hunter <jhunter_AT_jdom_DOT_org> and
Brett McLaughlin <brett_AT_jdom_DOT_org>. For more information
on the JDOM Project, please see <http://www.jdom.org/>.
*/
/**
* A ValidationError object encapsulates a schema validation error or
* warning.
*
* @author Laurent Bihanic
*/
public class ValidationError {
/** The severity for warnings. */
public final static Severity WARNING = new Severity(0);
/** The severity for recoverable validation errors. */
public final static Severity ERROR = new Severity(1);
/** The severity for non-recoverable validation errors. */
public final static Severity FATAL = new Severity(2);
/**
* The error severity.
*/
private final Severity severity;
/**
* The detailed error message.
*/
private final String message;
/**
* The JDOM node that caused the error.
*/
private final Object node;
/**
* Creates a new validation error.
*
* @param severity the error severity.
* @param message the detailed error message.
*/
public ValidationError(Severity severity, String message) {
this(severity, message, null);
}
/**
* Creates a new validation error.
*
* @param severity the error severity.
* @param message the detailed error message.
* @param node the JDOM node that caused the error.
*/
public ValidationError(Severity severity, String message, Object node) {
this.severity = severity;
this.message = message;
this.node = node;
}
/**
* Returns the severity of this error.
*
* @return the severity of this error.
*/
public Severity getSeverity() {
return this.severity;
}
/**
* Returns the detailed error message.
*
* @return the detailed error message.
*/
public String getMessage() {
return this.message;
}
/**
* Returns the JDOM node that caused the error.
*
* @return the JDOM node that caused the error.
*/
public Object getNode() {
return this.node;
}
/**
* Returns a string representation of this error suitable for
* debugging and diagnosis.
*
* @return a string representation of this error.
*
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuffer buf = new StringBuffer();
buf.append('[');
if (this.severity == WARNING) {
buf.append("WARNING");
}
else if (this.severity == ERROR) {
buf.append("ERROR");
}
else if (this.severity == FATAL) {
buf.append("FATAL");
}
buf.append("] message: \"").append(this.getMessage());
if (this.getNode() != null) {
buf.append("\", location: \"").append(this.getNode().toString());
}
buf.append("\"");
return buf.toString();
}
/**
* Class to support type-safe enumeration design pattern to
* represent severity levels of validation errors.
*/
public static final class Severity {
/** The severity of the error. */
private final int level;
/**
* Severity constructor, private on purpose.
*
* @param level the severity level.
*/
protected Severity(int level) {
this.level = level;
}
/**
* Returns a unique identifier for this severity.
*
* @return a unique identifier for this severity.
*
* @see java.lang.Object#hashCode()
*/
public int hashCode() {
return this.level;
}
/**
* Returns a string representation of this severity suitable
* for debugging and diagnosis.
*
* @return a string representation of this severity.
*
* @see java.lang.Object#toString()
*/
public String toString() {
return "[" + this.getClass().getName() + "] " + this.level;
}
/**
* Tests for severity equality. This is only necessary to
* handle cases where two <code>Type</code> objects are loaded
* by different class loaders.
*
* @param o the object compared for equality to this
* severity.
*
* @return <code>true</code> if and only if <code>o</code>
* represents the same severity as this object.
*
* @see java.lang.Object#equals(Object)
*/
public boolean equals(Object o) {
return ((o == this) ||
((o != null) && (this.hashCode() == o.hashCode()) &&
(this.getClass().getName().equals(o.getClass().getName()))));
}
}
}