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/*
* Copyright 2010 Ning, Inc.
*
* Ning 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 com.ning.http.client;
import static com.ning.http.util.MiscUtils.isNonEmpty;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.ning.http.client.cookie.Cookie;
import com.ning.http.client.multipart.Part;
import com.ning.http.client.uri.Uri;
import com.ning.http.util.AsyncHttpProviderUtils;
import com.ning.http.util.UriEncoder;
import java.io.File;
import java.io.InputStream;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
/**
* Builder for {@link Request}
*
* @param
*/
public abstract class RequestBuilderBase> {
private final static Logger logger = LoggerFactory.getLogger(RequestBuilderBase.class);
private static final Uri DEFAULT_REQUEST_URL = Uri.create("http://localhost");
private static final class RequestImpl implements Request {
private String method;
private Uri uri;
private InetAddress address;
private InetAddress localAddress;
private FluentCaseInsensitiveStringsMap headers = new FluentCaseInsensitiveStringsMap();
private ArrayList cookies;
private byte[] byteData;
private List compositeByteData;
private String stringData;
private InputStream streamData;
private BodyGenerator bodyGenerator;
private List formParams;
private List parts;
private String virtualHost;
private long length = -1;
public ProxyServer proxyServer;
private Realm realm;
private File file;
private Boolean followRedirects;
private int requestTimeout;
private long rangeOffset;
public String charset;
private ConnectionPoolPartitioning connectionPoolPartitioning = ConnectionPoolPartitioning.PerHostConnectionPoolPartitioning.INSTANCE;
private NameResolver nameResolver = NameResolver.JdkNameResolver.INSTANCE;
private List queryParams;
public RequestImpl() {
}
public RequestImpl(Request prototype) {
if (prototype != null) {
this.method = prototype.getMethod();
this.uri = prototype.getUri();
this.address = prototype.getInetAddress();
this.localAddress = prototype.getLocalAddress();
this.headers = new FluentCaseInsensitiveStringsMap(prototype.getHeaders());
this.cookies = new ArrayList<>(prototype.getCookies());
this.byteData = prototype.getByteData();
this.compositeByteData = prototype.getCompositeByteData();
this.stringData = prototype.getStringData();
this.streamData = prototype.getStreamData();
this.bodyGenerator = prototype.getBodyGenerator();
this.formParams = prototype.getFormParams() == null ? null : new ArrayList<>(prototype.getFormParams());
this.parts = prototype.getParts() == null ? null : new ArrayList<>(prototype.getParts());
this.virtualHost = prototype.getVirtualHost();
this.length = prototype.getContentLength();
this.proxyServer = prototype.getProxyServer();
this.realm = prototype.getRealm();
this.file = prototype.getFile();
this.followRedirects = prototype.getFollowRedirect();
this.requestTimeout = prototype.getRequestTimeout();
this.rangeOffset = prototype.getRangeOffset();
this.charset = prototype.getBodyEncoding();
this.connectionPoolPartitioning = prototype.getConnectionPoolPartitioning();
this.nameResolver = prototype.getNameResolver();
}
}
@Override
public String getMethod() {
return method;
}
@Override
public InetAddress getInetAddress() {
return address;
}
@Override
public InetAddress getLocalAddress() {
return localAddress;
}
@Override
public Uri getUri() {
return uri;
}
@Override
public String getUrl() {
return uri.toUrl();
}
@Override
public FluentCaseInsensitiveStringsMap getHeaders() {
return headers;
}
@Override
public Collection getCookies() {
return cookies != null ? Collections.unmodifiableCollection(cookies) : Collections. emptyList();
}
@Override
public byte[] getByteData() {
return byteData;
}
@Override
public List getCompositeByteData() {
return compositeByteData;
}
@Override
public String getStringData() {
return stringData;
}
@Override
public InputStream getStreamData() {
return streamData;
}
@Override
public BodyGenerator getBodyGenerator() {
return bodyGenerator;
}
@Override
public long getContentLength() {
return length;
}
@Override
public List getFormParams() {
return formParams != null ? formParams : Collections. emptyList();
}
@Override
public List getParts() {
return parts != null ? parts : Collections. emptyList();
}
@Override
public String getVirtualHost() {
return virtualHost;
}
@Override
public ProxyServer getProxyServer() {
return proxyServer;
}
@Override
public Realm getRealm() {
return realm;
}
@Override
public File getFile() {
return file;
}
@Override
public Boolean getFollowRedirect() {
return followRedirects;
}
@Override
public int getRequestTimeout() {
return requestTimeout;
}
@Override
public long getRangeOffset() {
return rangeOffset;
}
@Override
public String getBodyEncoding() {
return charset;
}
@Override
public ConnectionPoolPartitioning getConnectionPoolPartitioning() {
return connectionPoolPartitioning;
}
@Override
public NameResolver getNameResolver() {
return nameResolver;
}
@Override
public List getQueryParams() {
if (queryParams == null)
// lazy load
if (isNonEmpty(uri.getQuery())) {
queryParams = new ArrayList<>(1);
for (String queryStringParam : uri.getQuery().split("&")) {
int pos = queryStringParam.indexOf('=');
if (pos <= 0)
queryParams.add(new Param(queryStringParam, null));
else
queryParams.add(new Param(queryStringParam.substring(0, pos), queryStringParam.substring(pos + 1)));
}
} else
queryParams = Collections.emptyList();
return queryParams;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder(getUrl());
sb.append("\t");
sb.append(method);
sb.append("\theaders:");
if (isNonEmpty(headers)) {
for (String name : headers.keySet()) {
sb.append("\t");
sb.append(name);
sb.append(":");
sb.append(headers.getJoinedValue(name, ", "));
}
}
if (isNonEmpty(formParams)) {
sb.append("\tformParams:");
for (Param param : formParams) {
sb.append("\t");
sb.append(param.getName());
sb.append(":");
sb.append(param.getValue());
}
}
return sb.toString();
}
}
private final Class derived;
protected final RequestImpl request;
protected UriEncoder uriEncoder;
protected List rbQueryParams;
protected SignatureCalculator signatureCalculator;
protected RequestBuilderBase(Class derived, String method, boolean disableUrlEncoding) {
this(derived, method, UriEncoder.uriEncoder(disableUrlEncoding));
}
protected RequestBuilderBase(Class derived, String method, UriEncoder uriEncoder) {
this.derived = derived;
request = new RequestImpl();
request.method = method;
this.uriEncoder = uriEncoder;
}
protected RequestBuilderBase(Class derived, Request prototype) {
this(derived, prototype, UriEncoder.FIXING);
}
protected RequestBuilderBase(Class derived, Request prototype, UriEncoder uriEncoder) {
this.derived = derived;
request = new RequestImpl(prototype);
this.uriEncoder = uriEncoder;
}
public T setUrl(String url) {
return setUri(Uri.create(url));
}
public T setUri(Uri uri) {
request.uri = uri;
return derived.cast(this);
}
public T setInetAddress(InetAddress address) {
request.address = address;
return derived.cast(this);
}
public T setLocalInetAddress(InetAddress address) {
request.localAddress = address;
return derived.cast(this);
}
public T setVirtualHost(String virtualHost) {
request.virtualHost = virtualHost;
return derived.cast(this);
}
public T setHeader(String name, String value) {
request.headers.replaceWith(name, value);
return derived.cast(this);
}
public T addHeader(String name, String value) {
if (value == null) {
logger.warn("Value was null, set to \"\"");
value = "";
}
request.headers.add(name, value);
return derived.cast(this);
}
public T setHeaders(FluentCaseInsensitiveStringsMap headers) {
request.headers = (headers == null ? new FluentCaseInsensitiveStringsMap() : new FluentCaseInsensitiveStringsMap(headers));
return derived.cast(this);
}
public T setHeaders(Map> headers) {
request.headers = (headers == null ? new FluentCaseInsensitiveStringsMap() : new FluentCaseInsensitiveStringsMap(headers));
return derived.cast(this);
}
public T setContentLength(int length) {
request.length = length;
return derived.cast(this);
}
private void lazyInitCookies() {
if (request.cookies == null)
request.cookies = new ArrayList<>(3);
}
public T setCookies(Collection cookies) {
request.cookies = new ArrayList<>(cookies);
return derived.cast(this);
}
public T addCookie(Cookie cookie) {
lazyInitCookies();
request.cookies.add(cookie);
return derived.cast(this);
}
public T addOrReplaceCookie(Cookie cookie) {
String cookieKey = cookie.getName();
boolean replace = false;
int index = 0;
lazyInitCookies();
for (Cookie c : request.cookies) {
if (c.getName().equals(cookieKey)) {
replace = true;
break;
}
index++;
}
if (replace)
request.cookies.set(index, cookie);
else
request.cookies.add(cookie);
return derived.cast(this);
}
public void resetCookies() {
if (request.cookies != null)
request.cookies.clear();
}
public void resetQuery() {
rbQueryParams = null;
request.uri = request.uri.withNewQuery(null);
}
public void resetFormParams() {
request.formParams = null;
}
public void resetNonMultipartData() {
request.byteData = null;
request.compositeByteData = null;
request.stringData = null;
request.streamData = null;
request.bodyGenerator = null;
request.length = -1;
}
public void resetMultipartData() {
request.parts = null;
}
public T setBody(File file) {
request.file = file;
return derived.cast(this);
}
public T setBody(byte[] data) {
resetFormParams();
resetNonMultipartData();
resetMultipartData();
request.byteData = data;
return derived.cast(this);
}
public T setBody(List data) {
resetFormParams();
resetNonMultipartData();
resetMultipartData();
request.compositeByteData = data;
return derived.cast(this);
}
public T setBody(String data) {
resetFormParams();
resetNonMultipartData();
resetMultipartData();
request.stringData = data;
return derived.cast(this);
}
public T setBody(InputStream stream) {
resetFormParams();
resetNonMultipartData();
resetMultipartData();
request.streamData = stream;
return derived.cast(this);
}
public T setBody(BodyGenerator bodyGenerator) {
request.bodyGenerator = bodyGenerator;
return derived.cast(this);
}
public T addQueryParam(String name, String value) {
if (rbQueryParams == null)
rbQueryParams = new ArrayList<>(1);
rbQueryParams.add(new Param(name, value));
return derived.cast(this);
}
public T addQueryParams(List params) {
if (rbQueryParams == null)
rbQueryParams = params;
else
rbQueryParams.addAll(params);
return derived.cast(this);
}
private List map2ParamList(Map> map) {
if (map == null)
return null;
List params = new ArrayList<>(map.size());
for (Map.Entry> entries : map.entrySet()) {
String name = entries.getKey();
for (String value : entries.getValue())
params.add(new Param(name, value));
}
return params;
}
public T setQueryParams(Map> map) {
return setQueryParams(map2ParamList(map));
}
public T setQueryParams(List params) {
// reset existing query
if (isNonEmpty(request.uri.getQuery()))
request.uri = request.uri.withNewQuery(null);
rbQueryParams = params;
return derived.cast(this);
}
public T addFormParam(String name, String value) {
resetNonMultipartData();
resetMultipartData();
if (request.formParams == null)
request.formParams = new ArrayList<>(1);
request.formParams.add(new Param(name, value));
return derived.cast(this);
}
public T setFormParams(Map> map) {
return setFormParams(map2ParamList(map));
}
public T setFormParams(List params) {
resetNonMultipartData();
resetMultipartData();
request.formParams = params;
return derived.cast(this);
}
public T addBodyPart(Part part) {
resetFormParams();
resetNonMultipartData();
if (request.parts == null)
request.parts = new ArrayList();
request.parts.add(part);
return derived.cast(this);
}
public T setProxyServer(ProxyServer proxyServer) {
request.proxyServer = proxyServer;
return derived.cast(this);
}
public T setRealm(Realm realm) {
request.realm = realm;
return derived.cast(this);
}
public T setFollowRedirects(boolean followRedirects) {
request.followRedirects = followRedirects;
return derived.cast(this);
}
public T setRequestTimeout(int requestTimeout) {
request.requestTimeout = requestTimeout;
return derived.cast(this);
}
public T setRangeOffset(long rangeOffset) {
request.rangeOffset = rangeOffset;
return derived.cast(this);
}
public T setMethod(String method) {
request.method = method;
return derived.cast(this);
}
public T setBodyEncoding(String charset) {
request.charset = charset;
return derived.cast(this);
}
public T setConnectionPoolKeyStrategy(ConnectionPoolPartitioning connectionPoolKeyStrategy) {
request.connectionPoolPartitioning = connectionPoolKeyStrategy;
return derived.cast(this);
}
public T setNameResolver(NameResolver nameResolver) {
request.nameResolver = nameResolver;
return derived.cast(this);
}
public T setSignatureCalculator(SignatureCalculator signatureCalculator) {
this.signatureCalculator = signatureCalculator;
return derived.cast(this);
}
private void executeSignatureCalculator() {
/* Let's first calculate and inject signature, before finalizing actual build
* (order does not matter with current implementation but may in future)
*/
if (signatureCalculator != null) {
RequestBuilder rb = new RequestBuilder(request).setSignatureCalculator(null);
rb.rbQueryParams = this.rbQueryParams;
Request unsignedRequest = rb.build();
signatureCalculator.calculateAndAddSignature(unsignedRequest, this);
}
}
private void computeRequestCharset() {
if (request.charset == null) {
try {
final String contentType = request.headers.getFirstValue("Content-Type");
if (contentType != null) {
final String charset = AsyncHttpProviderUtils.parseCharset(contentType);
if (charset != null) {
// ensure that if charset is provided with the Content-Type header,
// we propagate that down to the charset of the Request object
request.charset = charset;
}
}
} catch (Throwable e) {
// NoOp -- we can't fix the Content-Type or charset from here
}
}
}
private void computeRequestLength() {
if (request.length < 0 && request.streamData == null) {
// can't concatenate content-length
final String contentLength = request.headers.getFirstValue("Content-Length");
if (contentLength != null) {
try {
request.length = Long.parseLong(contentLength);
} catch (NumberFormatException e) {
// NoOp -- we wdn't specify length so it will be chunked?
}
}
}
}
private void validateSupportedScheme(Uri uri) {
final String scheme = uri.getScheme();
if (scheme == null || !scheme.equalsIgnoreCase("http") && !scheme.equalsIgnoreCase("https") && !scheme.equalsIgnoreCase("ws")
&& !scheme.equalsIgnoreCase("wss")) {
throw new IllegalArgumentException("The URI scheme, of the URI " + uri
+ ", must be equal (ignoring case) to 'http', 'https', 'ws', or 'wss'");
}
}
private void computeFinalUri() {
if (request.uri == null) {
logger.debug("setUrl hasn't been invoked. Using {}", DEFAULT_REQUEST_URL);
request.uri = DEFAULT_REQUEST_URL;
} else {
validateSupportedScheme(request.uri);
}
request.uri = uriEncoder.encode(request.uri, rbQueryParams);
}
public Request build() {
executeSignatureCalculator();
computeFinalUri();
computeRequestCharset();
computeRequestLength();
return request;
}
}