/*

* Licensed to the Apache Software Foundation (ASF) under one or more

* contributor license agreements. See the NOTICE file distributed with

* this work for additional information regarding copyright ownership.

* The ASF 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

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* 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.apache.coyote;

public enum ErrorState {

/**

* Not in an error state.

*/

NONE(false, 0, true),

/**

* The current request/response is in an error state and while it is safe to

* complete the current response it is not safe to continue to use the

* existing connection which must be closed once the response has been

* completed.

*/

CLOSE_CLEAN(true, 1, true),

/**

* The current request/response is in an error state and it is not safe to

* continue to use the existing connection which must be closed immediately.

*/

CLOSE_NOW(true, 2, false);

private final boolean error;

private final int severity;

private final boolean ioAllowed;

private ErrorState(boolean error, int severity, boolean ioAllowed) {

this.error = error;

this.severity = severity;

this.ioAllowed = ioAllowed;

}

public boolean isError() {

return error;

}

/**

* Compare this ErrorState with the provided ErrorState and return the most

* severe.

*

* @param input The error state to compare to this one

*

* @return The most severe error state from the the provided error state and

* this one

*/

public ErrorState getMostSevere(ErrorState input) {

if (input.severity > this.severity) {

return input;

} else {

return this;

}

}

public boolean isIoAllowed() {

return ioAllowed;

}

}