com.pdd.pop.ext.glassfish.grizzly.http.HttpBrokenContent Maven / Gradle / Ivy
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package com.pdd.pop.ext.glassfish.grizzly.http;
import com.pdd.pop.ext.glassfish.grizzly.Buffer;
import com.pdd.pop.ext.glassfish.grizzly.ThreadCache;
/**
* {@link HttpContent} message, which represents broken HTTP content.
* {@link #isLast()} is always returns true,
* {@link #getContent()} always throws {@link HttpBrokenContentException()}.
*
* @see HttpContent#isBroken(com.pdd.pop.ext.glassfish.grizzly.http.HttpContent)
*
* @author Alexey Stashok
*/
public class HttpBrokenContent extends HttpContent {
private static final ThreadCache.CachedTypeIndex CACHE_IDX =
ThreadCache.obtainIndex(HttpBrokenContent.class, 1);
public static HttpBrokenContent create() {
return create(null);
}
public static HttpBrokenContent create(final HttpHeader httpHeader) {
final HttpBrokenContent httpBrokenContent =
ThreadCache.takeFromCache(CACHE_IDX);
if (httpBrokenContent != null) {
httpBrokenContent.httpHeader = httpHeader;
return httpBrokenContent;
}
return new HttpBrokenContent(httpHeader);
}
/**
* Returns {@link HttpTrailer} builder.
*
* @return {@link Builder}.
*/
public static Builder builder(final HttpHeader httpHeader) {
return new Builder().httpHeader(httpHeader);
}
private Throwable exception;
protected HttpBrokenContent(final HttpHeader httpHeader) {
super(httpHeader);
}
/**
* Returns {@link Throwable}, which describes the error.
* @return {@link Throwable}, which describes the error.
*/
public Throwable getException() {
return exception;
}
/**
* {@inheritDoc}
*/
@Override
public Buffer getContent() {
throw exception instanceof HttpBrokenContentException ?
(HttpBrokenContentException) exception :
new HttpBrokenContentException(exception);
}
/**
* Always true true for the trailer message.
*
* @return Always true true for the trailer message.
*/
@Override
public final boolean isLast() {
return true;
}
/**
* {@inheritDoc}
*/
@Override
protected void reset() {
this.exception = null;
super.reset();
}
/**
* {@inheritDoc}
*/
@Override
public void recycle() {
reset();
ThreadCache.putToCache(CACHE_IDX, this);
}
/**
* HttpTrailer message builder.
*/
public static final class Builder extends HttpContent.Builder {
private Throwable cause;
protected Builder() {
}
/**
* Set the exception.
* @param cause {@link Throwable}.
*/
public final Builder error(final Throwable cause) {
this.cause = cause;
return this;
}
/**
* Build the HttpTrailer message.
*
* @return HttpTrailer
*/
@Override
public final HttpBrokenContent build() {
HttpBrokenContent httpBrokenContent = (HttpBrokenContent) super.build();
if (cause == null) {
throw new IllegalStateException("No cause specified");
}
httpBrokenContent.exception = cause;
return httpBrokenContent;
}
@Override
protected HttpContent create() {
return HttpBrokenContent.create();
}
}
}