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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2008-2011 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
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* If you wish your version of this file to be governed by only the CDDL or
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* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.grizzly;
/**
* Represents the result of message encoding/decoding.
*
* @author Alexey Stashok
*/
public class TransformationResult implements Cacheable {
private static final ThreadCache.CachedTypeIndex CACHE_IDX =
ThreadCache.obtainIndex(TransformationResult.class, 2);
public static TransformationResult createErrorResult(
int errorCode, String errorDescription) {
return create(Status.ERROR, null, null, errorCode, errorDescription);
}
public static TransformationResult createCompletedResult(
O message, I externalRemainder) {
return create(Status.COMPLETE, message, externalRemainder, 0, null);
}
public static TransformationResult createIncompletedResult(
I externalRemainder) {
return create(Status.INCOMPLETE, null, externalRemainder, 0, null);
}
@SuppressWarnings("unchecked")
private static TransformationResult create(Status status,
O message, I externalRemainder, int errorCode, String errorDescription) {
final TransformationResult result = ThreadCache.takeFromCache(CACHE_IDX);
if (result != null) {
result.setStatus(status);
result.setMessage(message);
result.setExternalRemainder(externalRemainder);
result.setErrorCode(errorCode);
result.setErrorDescription(errorDescription);
return result;
}
return new TransformationResult(status, message, externalRemainder,
errorCode, errorDescription);
}
public enum Status {
COMPLETE, INCOMPLETE, ERROR
}
private O message;
private Status status;
private int errorCode;
private String errorDescription;
private I externalRemainder;
public TransformationResult() {
this(Status.COMPLETE, null, null);
}
public TransformationResult(Status status, O message, I externalRemainder) {
this.status = status;
this.message = message;
this.externalRemainder = externalRemainder;
}
/**
* Creates error transformation result with specific code and description.
*
* @param errorCode id of the error
* @param errorDescription error description
*/
public TransformationResult(int errorCode, String errorDescription) {
this.status = Status.ERROR;
this.errorCode = errorCode;
this.errorDescription = errorDescription;
}
protected TransformationResult(Status status, O message, I externalRemainder,
int errorCode, String errorDescription) {
this.status = status;
this.message = message;
this.externalRemainder = externalRemainder;
this.errorCode = errorCode;
this.errorDescription = errorDescription;
}
public O getMessage() {
return message;
}
public void setMessage(O message) {
this.message = message;
}
public I getExternalRemainder() {
return externalRemainder;
}
public void setExternalRemainder(I externalRemainder) {
this.externalRemainder = externalRemainder;
}
public Status getStatus() {
return status;
}
public void setStatus(Status status) {
this.status = status;
}
public int getErrorCode() {
return errorCode;
}
public void setErrorCode(int errorCode) {
this.errorCode = errorCode;
}
public String getErrorDescription() {
return errorDescription;
}
public void setErrorDescription(String errorDescription) {
this.errorDescription = errorDescription;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder(128);
sb.append("Transformation result. Status: ").append(status);
sb.append(" message: ").append(message);
if (status == Status.ERROR) {
sb.append(" errorCode: ").append(errorCode);
sb.append(" errorDescription: ").append(errorDescription);
}
return sb.toString();
}
/**
* If implementation uses {@link org.glassfish.grizzly.utils.ObjectPool} to store
* and reuse {@link TransformationResult} instances - this method will be
* called before {@link TransformationResult} will be offered to pool.
*/
public void reset() {
message = null;
status = null;
errorCode = 0;
errorDescription = null;
externalRemainder = null;
}
/**
* Recycle this {@link Context}
*/
@Override
public void recycle() {
reset();
ThreadCache.putToCache(CACHE_IDX, this);
}
}
