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com.firefly.codec.http2.model.MetaData Maven / Gradle / Ivy
package com.firefly.codec.http2.model;
import java.util.Collections;
import java.util.Iterator;
import java.util.function.Supplier;
public class MetaData implements Iterable {
private HttpVersion _httpVersion;
private final HttpFields _fields;
private long _contentLength;
private Supplier _trailers;
public MetaData(HttpVersion version, HttpFields fields) {
this(version, fields, Long.MIN_VALUE);
}
public MetaData(HttpVersion version, HttpFields fields, long contentLength) {
_httpVersion = version;
_fields = fields;
_contentLength = contentLength;
}
protected void recycle() {
_httpVersion = null;
if (_fields != null)
_fields.clear();
_contentLength = Long.MIN_VALUE;
}
public boolean isRequest() {
return false;
}
public boolean isResponse() {
return false;
}
/**
* @deprecated use {@link #getHttpVersion()} instead
*/
@Deprecated
public HttpVersion getVersion() {
return getHttpVersion();
}
/**
* @return the HTTP version of this MetaData object
*/
public HttpVersion getHttpVersion() {
return _httpVersion;
}
/**
* @param httpVersion the HTTP version to set
*/
public void setHttpVersion(HttpVersion httpVersion) {
_httpVersion = httpVersion;
}
/**
* @return the HTTP fields of this MetaData object
*/
public HttpFields getFields() {
return _fields;
}
public Supplier getTrailerSupplier() {
return _trailers;
}
public void setTrailerSupplier(Supplier trailers) {
_trailers = trailers;
}
/**
* @return the content length if available, otherwise {@link Long#MIN_VALUE}
*/
public long getContentLength() {
if (_contentLength == Long.MIN_VALUE) {
if (_fields != null) {
HttpField field = _fields.getField(HttpHeader.CONTENT_LENGTH);
_contentLength = field == null ? -1 : field.getLongValue();
}
}
return _contentLength;
}
/**
* @return an iterator over the HTTP fields
* @see #getFields()
*/
public Iterator iterator() {
HttpFields fields = getFields();
return fields == null ? Collections.emptyIterator() : fields.iterator();
}
@Override
public String toString() {
StringBuilder out = new StringBuilder();
for (HttpField field : this)
out.append(field).append(System.lineSeparator());
return out.toString();
}
public static class Request extends MetaData {
private String _method;
private HttpURI _uri;
private volatile Object attachment;
public Request(HttpFields fields) {
this(null, null, null, fields);
}
public Request(String method, HttpURI uri, HttpVersion version, HttpFields fields) {
this(method, uri, version, fields, Long.MIN_VALUE);
}
public Request(String method, HttpURI uri, HttpVersion version, HttpFields fields, long contentLength) {
super(version, fields, contentLength);
_method = method;
_uri = uri;
}
public Request(String method, HttpScheme scheme, HostPortHttpField hostPort, String uri, HttpVersion version, HttpFields fields) {
this(method, new HttpURI(scheme == null ? null : scheme.asString(), hostPort.getHost(), hostPort.getPort(), uri), version, fields);
}
public Request(String method, HttpScheme scheme, HostPortHttpField hostPort, String uri, HttpVersion version, HttpFields fields, long contentLength) {
this(method, new HttpURI(scheme == null ? null : scheme.asString(), hostPort.getHost(), hostPort.getPort(), uri), version, fields, contentLength);
}
public Request(String method, String scheme, HostPortHttpField hostPort, String uri, HttpVersion version, HttpFields fields, long contentLength) {
this(method, new HttpURI(scheme, hostPort.getHost(), hostPort.getPort(), uri), version, fields, contentLength);
}
public Request(Request request) {
this(request.getMethod(), new HttpURI(request.getURI()), request.getHttpVersion(), new HttpFields(request.getFields()), request.getContentLength());
}
public void recycle() {
super.recycle();
_method = null;
if (_uri != null)
_uri.clear();
}
@Override
public boolean isRequest() {
return true;
}
/**
* @return the HTTP method
*/
public String getMethod() {
return _method;
}
/**
* @param method the HTTP method to set
*/
public void setMethod(String method) {
_method = method;
}
/**
* @return the HTTP URI
*/
public HttpURI getURI() {
return _uri;
}
/**
* @return the HTTP URI in string form
*/
public String getURIString() {
return _uri == null ? null : _uri.toString();
}
/**
* @param uri the HTTP URI to set
*/
public void setURI(HttpURI uri) {
_uri = uri;
}
public Object getAttachment() {
return attachment;
}
public void setAttachment(Object attachment) {
this.attachment = attachment;
}
@Override
public String toString() {
HttpFields fields = getFields();
return String.format("%s{u=%s,%s,h=%d,cl=%d}",
getMethod(), getURI(), getHttpVersion(), fields == null ? -1 : fields.size(), getContentLength());
}
}
public static class Response extends MetaData {
private int _status;
private String _reason;
public Response() {
this(null, 0, null);
}
public Response(HttpVersion version, int status, HttpFields fields) {
this(version, status, fields, Long.MIN_VALUE);
}
public Response(HttpVersion version, int status, HttpFields fields, long contentLength) {
super(version, fields, contentLength);
_status = status;
}
public Response(HttpVersion version, int status, String reason, HttpFields fields, long contentLength) {
super(version, fields, contentLength);
_reason = reason;
_status = status;
}
@Override
public boolean isResponse() {
return true;
}
/**
* @return the HTTP status
*/
public int getStatus() {
return _status;
}
/**
* @return the HTTP reason
*/
public String getReason() {
return _reason;
}
/**
* @param status the HTTP status to set
*/
public void setStatus(int status) {
_status = status;
}
/**
* @param reason the HTTP reason to set
*/
public void setReason(String reason) {
_reason = reason;
}
@Override
public String toString() {
HttpFields fields = getFields();
return String.format("%s{s=%d,h=%d,cl=%d}", getHttpVersion(), getStatus(), fields == null ? -1 : fields.size(), getContentLength());
}
}
}
