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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2015 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
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* language governing permissions and limitations under the License.
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* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
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package com.pdd.pop.ext.glassfish.grizzly.http;
import com.pdd.pop.ext.glassfish.grizzly.Connection;
import com.pdd.pop.ext.glassfish.grizzly.http.util.DataChunk;
import com.pdd.pop.ext.glassfish.grizzly.http.util.Header;
import com.pdd.pop.ext.glassfish.grizzly.http.util.HttpCodecUtils;
import com.pdd.pop.ext.glassfish.grizzly.http.util.MimeHeaders;
import com.pdd.pop.ext.glassfish.grizzly.http.util.RequestURIRef;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import com.pdd.pop.ext.glassfish.grizzly.attributes.AttributeBuilder;
import com.pdd.pop.ext.glassfish.grizzly.attributes.AttributeHolder;
import com.pdd.pop.ext.glassfish.grizzly.attributes.DefaultAttributeBuilder;
/**
* The {@link HttpHeader} object, which represents HTTP request message.
*
* @see HttpHeader
* @see HttpResponsePacket
*
* @author Alexey Stashok
*/
public abstract class HttpRequestPacket extends HttpHeader {
/**
* Prefix for all service/read-only attributes, that once added could not
* be removed. The attributes with this prefix will not be listed in the
* {@link #getAttributeNames()} result.
* The prefix was introduced with the intention to avoid collisions with
* normal user attributes and fail fast when we compare read-only and
* normal user attributes.
*/
public static final String READ_ONLY_ATTR_PREFIX = "@RoA.";
private static final AttributeBuilder ATTR_BUILDER =
new DefaultAttributeBuilder();
// ----------------------------------------------------- Instance Variables
private Connection connection;
private HttpResponsePacket response;
private int serverPort = -1;
protected int remotePort = -1;
protected int localPort = -1;
private final RequestURIRef requestURIRef = new RequestURIRef();
private String localHost;
private final DataChunk methodC = DataChunk.newInstance();
protected Method parsedMethod;
private final DataChunk queryC = DataChunk.newInstance();
protected final DataChunk remoteAddressC = DataChunk.newInstance();
protected final DataChunk remoteHostC = DataChunk.newInstance();
protected final DataChunk localNameC = DataChunk.newInstance();
protected final DataChunk localAddressC = DataChunk.newInstance();
private final DataChunk serverNameC = DataChunk.newInstance();
/**
* Authentication type.
*/
private final DataChunk authTypeC = DataChunk.newInstance();
private final DataChunk remoteUserC = DataChunk.newInstance();
private boolean requiresAcknowledgement;
protected DataChunk unparsedHostC;
private boolean hostHeaderParsed;
/**
* Internal notes associated with this request by Catalina components
* and event listeners.
*/
private final transient AttributeHolder notesHolder =
ATTR_BUILDER.createUnsafeAttributeHolder();
/**
* The attributes associated with this Request, keyed by attribute name.
*/
protected final Map attributes = new HashMap();
/**
* Returns {@link HttpRequestPacket} builder.
*
* @return {@link Builder}.
*/
public static Builder builder() {
return new Builder();
}
// ----------------------------------------------------------- Constructors
protected HttpRequestPacket() {
setMethod(Method.GET);
}
// ---------------------------------------------------------- Public Methods
public void setConnection(Connection connection) {
this.connection = connection;
}
public Connection getConnection() {
return connection;
}
public HttpResponsePacket getResponse() {
return response;
}
// -------------------- Request data --------------------
/**
* Get the HTTP request method as {@link DataChunk}
* (avoiding creation of a String object). The result format is "GET|POST...".
*
* @return the HTTP request method as {@link DataChunk}
* (avoiding creation of a String object). The result format is "GET|POST...".
*/
public DataChunk getMethodDC() {
// potentially the value might be changed, so we need to parse it again
parsedMethod = null;
return methodC;
}
/**
* Get the HTTP request method.
*
* @return the HTTP request method.
*/
public Method getMethod() {
if (parsedMethod != null) {
return parsedMethod;
}
parsedMethod = Method.valueOf(methodC);
return parsedMethod;
}
/**
* Set the HTTP request method.
* @param method the HTTP request method. Format is "GET|POST...".
*/
public void setMethod(final String method) {
this.methodC.setString(method);
parsedMethod = null;
}
/**
* Set the HTTP request method.
* @param method the HTTP request method. Format is "GET|POST...".
*/
public void setMethod(final Method method) {
this.methodC.setString(method.getMethodString());
parsedMethod = method;
}
/**
* Returns the request URL of the HTTP request as {@link RequestURIRef}
* (avoiding creation of a String object).
*
* @return the request URL of the HTTP request as {@link RequestURIRef}
* (avoiding creation of a String object).
*/
public RequestURIRef getRequestURIRef() {
return requestURIRef;
}
/**
* Returns the request URL.
*
* @return the request URL.
*/
public String getRequestURI() {
return requestURIRef.getURI();
}
/**
* Set the request URL.
*
* @param requestURI the request URL.
*/
public void setRequestURI(String requestURI) {
this.requestURIRef.setURI(requestURI);
}
/**
* Returns the query string that is contained in the request URL after the
* path. This method returns null if the URL does not have a query string.
* The result is represented as {@link DataChunk} (avoiding creation of a
* String object).
*
* @return the query string that is contained in the request URL after the
* path. This method returns null if the URL does not have a query string.
* The result is represented as {@link DataChunk} (avoiding creation of a
* String object).
*/
public DataChunk getQueryStringDC() {
return queryC;
}
/**
* Returns the query string that is contained in the request URL after the
* path. This method returns null if the URL does not have a query string.
*
* @return the query string that is contained in the request URL after the
* path. This method returns null if the URL does not have a query string.
*/
public String getQueryString() {
return ((queryC.isNull()) ? null : queryC.toString());
}
/**
* Set the query portion of the request URI.
*
* @param query the query String
*/
public void setQueryString(String query) {
queryC.setString(query);
}
/**
* Return the buffer holding the server name, if
* any. Use isNull() to check if there is no value
* set.
* This is the "virtual host", derived from the
* Host: header.
*
* @return the buffer holding the server name
*/
protected DataChunk serverNameRaw() {
return serverNameC;
}
/**
* Return the buffer holding the server name, if
* any. Use isNull() to check if there is no value
* set.
* This is the "virtual host", derived from the
* Host: header.
* @return the buffer holding the server name, if
* any
*/
public DataChunk serverName() {
parseHostHeader();
return serverNameC;
}
/**
* @return Returns the integer value of the Internet Protocol (IP) port as
* specified in the Host request header.
*/
public int getServerPort() {
parseHostHeader();
return serverPort;
}
/**
* Sets the Internet Protocol (IP) port specified in the
* Host request header.
*
* @param serverPort the port as specified in the Host
* request header
*/
public void setServerPort(int serverPort) {
this.serverPort = serverPort;
}
/**
* @return the {@link DataChunk} representing the Internet Protocol (IP)
* address of the client or last proxy that sent the request.
*/
public DataChunk remoteAddr() {
if (remoteAddressC.isNull()) {
remoteAddressC
.setString(((InetSocketAddress) connection.getPeerAddress())
.getAddress().getHostAddress());
}
return remoteAddressC;
}
/**
* @return the Internet Protocol (IP) address of the client or last proxy
* that sent the request.
*/
public String getRemoteAddress() {
return remoteAddr().toString();
}
/**
* @return a {@link DataChunk} representing the fully qualified
* name of the client or the last proxy that sent the request. If the
* engine cannot or chooses not to resolve the host name (to improve
* performance), this method returns the the IP address.
*/
public DataChunk remoteHost() {
if ((remoteHostC.isNull())) {
String remoteHost = null;
InetAddress inetAddr = ((InetSocketAddress) connection
.getPeerAddress()).getAddress();
if (inetAddr != null) {
remoteHost = inetAddr.getHostName();
}
if (remoteHost == null) {
if (!remoteAddressC.isNull()) {
remoteHost = remoteAddressC.toString();
} else { // all we can do is punt
remoteHostC.recycle();
}
}
remoteHostC.setString(remoteHost);
}
return remoteHostC;
}
/**
* @return a String representing the fully qualified name of
* the client or the last proxy that sent the request. If the engine cannot
* or chooses not to resolve the hostname (to improve performance), this
* method returns the the IP address.
*/
public String getRemoteHost() {
return remoteHost().toString();
}
/**
* Allows consumers of this request to be notified if the user-agent
* requires acknowledgment of an expectation (i.e., the Expect header).
*
* @param requiresAcknowledgement true if expectation
* processing is required.
*/
protected void requiresAcknowledgement(boolean requiresAcknowledgement) {
this.requiresAcknowledgement = requiresAcknowledgement;
}
/**
* @return true if this request requires acknowledgement.
*/
public boolean requiresAcknowledgement() {
return requiresAcknowledgement;
}
/**
* @return a {@link DataChunk} representing the host name of the
* Internet Protocol (IP) interface on which the request was received.
*/
public DataChunk localName() {
if (localNameC.isNull()) {
InetAddress inetAddr = ((InetSocketAddress) connection
.getLocalAddress()).getAddress();
localNameC.setString(inetAddr.getHostName());
}
return localNameC;
}
/**
* @return a String representing the host name of the
* Internet Protocol (IP) interface on which the request was received.
*/
public String getLocalName() {
return localName().toString();
}
/**
* @return a {@link DataChunk} representing the Internet Protocol (IP)
* address of the interface on which the request was received.
*/
public DataChunk localAddr() {
if (localAddressC.isNull()) {
InetAddress inetAddr = ((InetSocketAddress) connection
.getLocalAddress()).getAddress();
localAddressC.setString(inetAddr.getHostAddress());
}
return localAddressC;
}
/**
* @return a String representing the Internet Protocol (IP)
* address of the interface on which the request was received.
*/
public String getLocalAddress() {
return localAddr().toString();
}
/**
* @return the Internet Protocol (IP) source port of the client or last
* proxy that sent the request.
*/
public int getRemotePort() {
if (remotePort == -1) {
remotePort = ((InetSocketAddress) connection.getPeerAddress()).getPort();
}
return remotePort;
}
/**
* Sets the Internet Protocol (IP) source port of the client or last
* proxy that sent the request.
*
* @param port the source port of the client
*/
public void setRemotePort(int port) {
this.remotePort = port;
}
/**
* @return the Internet Protocol (IP) port number of the interface on which
* the request was received.
*/
public int getLocalPort() {
if (localPort == -1) {
localPort = ((InetSocketAddress) connection.getLocalAddress()).getPort();
}
return localPort;
}
/**
* Sets the Internet Protocol (IP) port number of the interface on which
* the request was received.
*
* @param port the port on which the request was received
*/
public void setLocalPort(int port) {
this.localPort = port;
}
/**
* @return the host name of the server servicing this request.
*/
public String getLocalHost() {
return localHost;
}
/**
* Set the host name of the server servicing this request.
* @param host the host name of the server servicing this request.
*/
public void setLocalHost(String host) {
this.localHost = host;
}
/**
* @return the authentication type used for this Request.
*/
public DataChunk authType() {
return authTypeC;
}
/**
* @return the name of the remote user that has been authenticated
* for this Request.
*/
public DataChunk remoteUser() {
return remoteUserC;
}
/**
* Create a named {@link Note} associated with this Request.
*
* @param the {@link Note} type.
* @param name the {@link Note} name.
* @return the {@link Note}.
*/
@SuppressWarnings({"unchecked"})
public static Note createNote(final String name) {
return new Note(ATTR_BUILDER.createAttribute(name));
}
/**
* Return the {@link Note} value associated with this Request,
* or null if no such binding exists.
* Use {@link #createNote(java.lang.String)} to create a new {@link Note}.
*
* @param the {@link Note} type.
* @param note {@link Note} value to be returned
* @return the {@link Note} value associated with this Request,
* or null if no such binding exists
*/
public E getNote(final Note note) {
return note.attribute.get(notesHolder);
}
/**
* Return a {@link Set} containing the String names of all note bindings
* that exist for this request.
* Use {@link #createNote(java.lang.String)} to create a new {@link Note}.
*
* @return a {@link Set} containing the String names of all note bindings
* that exist for this request.
*/
public Set getNoteNames() {
return notesHolder.getAttributeNames();
}
/**
* Remove the {@link Note} value associated with this request.
* Use {@link #createNote(java.lang.String)} to create a new {@link Note}.
*
* @param the {@link Note} type.
* @param note {@link Note} value to be removed
* @return the old value associated with the {@link Node}, that was removed
*/
public E removeNote(final Note note) {
return note.attribute.remove(notesHolder);
}
/**
* Bind the {@link Note} value to this Request,
* replacing any existing binding for this name.
* Use {@link #createNote(java.lang.String)} to create a new {@link Note}.
*
* @param the {@link Note} type.
* @param note {@link Note} to which the object should be bound
* @param value the {@link Note} value be bound to the specified {@link Note}.
*/
public void setNote(final Note note, final E value) {
note.attribute.set(notesHolder, value);
}
/**
* @return the specified request attribute if it exists; otherwise, return
* null.
*
* @param name Name of the request attribute to return
*/
public Object getAttribute(final String name) {
return attributes.get(name);
}
/**
* @return read-only {@link Set} of the names of all request attributes,
* or an empty {@link Set} if there are none.
*/
public Set getAttributeNames() {
final Set attrNames = new HashSet(attributes.size());
for (String name : attributes.keySet()) {
if (name == null || !name.startsWith(READ_ONLY_ATTR_PREFIX)) {
attrNames.add(name);
}
}
return Collections.unmodifiableSet(attrNames);
}
/**
* Set the specified request attribute to the specified value.
*
* @param name Name of the request attribute to set
* @param value The associated value
*/
public void setAttribute(final String name, final Object value) {
final Object oldValue = attributes.put(name, value);
// make sure we don't overwrite read-only attribute
if (oldValue != null &&
name != null && name.startsWith(READ_ONLY_ATTR_PREFIX)) {
// restore the original value for read-only attribute
attributes.put(name, oldValue);
}
}
/**
* Remove the specified request attribute if it exists.
*
* @param name Name of the request attribute to remove
*/
public void removeAttribute(final String name) {
if (name == null || !name.startsWith(READ_ONLY_ATTR_PREFIX)) {
attributes.remove(name);
}
}
/**
* Returns true if this request is a HEAD
* request, otherwise returns false.
*
* @return true if this request is a HEAD
* request, otherwise returns false.
*/
public boolean isHeadRequest() {
return (Method.HEAD.equals(getMethod()));
}
// -------------------- Recycling --------------------
/**
* {@inheritDoc}
*/
@Override
protected void reset() {
requestURIRef.recycle();
queryC.recycle();
methodC.recycle();
parsedMethod = null;
hostHeaderParsed = false;
unparsedHostC = null;
remoteAddressC.recycle();
remoteHostC.recycle();
localAddressC.recycle();
localNameC.recycle();
serverNameC.recycle();
authTypeC.recycle();
remoteUserC.recycle();
attributes.clear();
requiresAcknowledgement = false;
remotePort = -1;
localPort = -1;
serverPort = -1;
connection = null;
localHost = null;
response = null;
super.reset();
}
/**
* {@inheritDoc}
*/
@Override
public final boolean isRequest() {
return true;
}
/**
* {@inheritDoc}
*/
@Override
public String toString() {
final StringBuilder sb = new StringBuilder(256);
sb.append("HttpRequestPacket (\n method=").append(getMethod())
.append("\n url=").append(getRequestURI())
.append("\n query=").append(getQueryString())
.append("\n protocol=").append(getProtocol().getProtocolString())
.append("\n content-length=").append(getContentLength())
.append("\n headers=[");
final MimeHeaders headersLocal = getHeaders();
for (final String name : headersLocal.names()) {
sb.append("\n ").append(name).append('=')
.append(headersLocal.getHeader(name));
}
sb.append("]\n)");
return sb.toString();
}
// ------------------------------------------------------- Protected Methods
protected void setResponse(HttpResponsePacket response) {
this.response = response;
}
// --------------------------------------------------------- Private Methods
private void parseHostHeader() {
if (!hostHeaderParsed) {
doParseHostHeader();
hostHeaderParsed = true;
}
}
protected void doParseHostHeader() {
HttpCodecUtils.parseHost(unparsedHostC, serverNameC, this);
}
// ---------------------------------------------------------- Nested Classes
/**
* HttpRequestPacket message builder.
*/
public static class Builder extends HttpHeader.Builder {
protected Method method;
protected String methodString;
protected String uri;
protected String queryString;
protected String host;
/**
* Set the HTTP request method.
* @param method the HTTP request method..
*/
public Builder method(final Method method) {
this.method = method;
methodString = null;
return this;
}
/**
* Set the HTTP request method.
* @param method the HTTP request method. Format is "GET|POST...".
*/
public Builder method(final String method) {
this.methodString = method;
this.method = null;
return this;
}
/**
* Set the request URI.
*
* @param uri the request URI.
*/
public Builder uri(final String uri) {
this.uri = uri;
return this;
}
/**
* Set the value for the Host header.
* @param host the value for the Host header.
*
* @return this.
*/
public Builder host(final String host) {
this.host = host;
return this;
}
/**
* Set the query portion of the request URI.
*
* @param queryString the query String
*
* @return the current Builder
*/
public Builder query(final String queryString) {
this.queryString = queryString;
return this;
}
/**
* Build the HttpRequestPacket message.
*
* @return HttpRequestPacket
*/
public final HttpRequestPacket build() {
HttpRequestPacket packet = (HttpRequestPacket) super.build();
if (method != null) {
packet.setMethod(method);
}
if (methodString != null) {
packet.setMethod(methodString);
}
if (uri != null) {
packet.setRequestURI(uri);
}
if (queryString != null) {
packet.setQueryString(queryString);
}
if (host != null) {
packet.addHeader(Header.Host, host);
}
return packet;
}
public void reset() {
super.reset();
method = null;
uri = null;
queryString = null;
}
@Override
protected HttpHeader create() {
return HttpRequestPacketImpl.create();
}
}
}
