/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of the License at the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apereo.portal.properties;

/**
 * An undeclared (Runtime) exception to be thrown by the PropertiesManager when a property is
 * requested but cannot be found.
 *
 * @since 2.4
 */
public class MissingPropertyException extends RuntimeException {

    /** The name of the missing property. */
    private final String propertyName;

    /**
     * True if a prior MissingPropertyException has been thrown for this missing property by the
     * throwing object if it keeps track. False otherwise.
     */
    private final boolean alreadyReported;

    /**
     * Instantiate a MissingPropertyException for a particular missing property, indicating whether
     * the throwing object has already thrown a MissingPropertyException for this property.
     *
     * @param propertyName name of missing property
     * @param alreadyReported true if already reported
     */
    public MissingPropertyException(String propertyName, boolean alreadyReported) {
        this.propertyName = propertyName;
        this.alreadyReported = alreadyReported;
    }

    public String getMessage() {
        return "The property [" + this.propertyName + "] could not be found.";
    }

    /**
     * Has the throwing object already reported (thrown a MissingPropertyException for) this
     * particular missing property. Objects handling this exception might choose to predicate their
     * logging detail on this property, for instance.
     *
     * @return Returns true this property has already been reported as missing by the throwing
     *     object.
     */
    public boolean isAlreadyReported() {
        return this.alreadyReported;
    }

    /**
     * Get the name of the missing property.
     *
     * @return Returns the name of the missing property.
     */
    public String getPropertyName() {
        return this.propertyName;
    }
}