/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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 org.apache.cxf.transport.http.policy.impl;
import javax.xml.namespace.QName;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageUtils;
import org.apache.cxf.policy.PolicyCalculator;
import org.apache.cxf.transports.http.configuration.HTTPClientPolicy;
import org.apache.cxf.transports.http.configuration.ObjectFactory;
public class ClientPolicyCalculator implements PolicyCalculator<HTTPClientPolicy> {
/**
* Determines if two HTTPClientPolicy objects are equal. REVISIT: Check if
* this can be replaced by a generated equals method.
*
* @param p1 one client policy
* @param p2 another client policy
* @return true iff the two policies are equal
*/
public boolean equals(HTTPClientPolicy p1, HTTPClientPolicy p2) {
if (p1 == p2) {
return true;
}
boolean result = true;
result &= (p1.isAllowChunking() == p2.isAllowChunking())
&& (p1.isAutoRedirect() == p2.isAutoRedirect())
&& StringUtils.equals(p1.getAccept(), p2.getAccept())
&& StringUtils.equals(p1.getAcceptEncoding(), p2.getAcceptEncoding())
&& StringUtils.equals(p1.getAcceptLanguage(), p2.getAcceptLanguage())
&& StringUtils.equals(p1.getBrowserType(), p2.getBrowserType());
if (!result) {
return false;
}
result &= (p1.getCacheControl() == null ? p2.getCacheControl() == null : p1.getCacheControl()
.equals(p2.getCacheControl()) && p1.getConnection().value().equals(p2.getConnection().value()))
&& (p1.getConnectionTimeout() == p2.getConnectionTimeout())
&& StringUtils.equals(p1.getContentType(), p2.getContentType())
&& StringUtils.equals(p1.getCookie(), p2.getCookie())
&& StringUtils.equals(p1.getDecoupledEndpoint(), p2.getDecoupledEndpoint())
&& StringUtils.equals(p1.getHost(), p2.getHost());
if (!result) {
return false;
}
result &= StringUtils.equals(p1.getProxyServer(), p2.getProxyServer())
&& (p1.isSetProxyServerPort() ? p1.getProxyServerPort() == p2.getProxyServerPort() : !p2
.isSetProxyServerPort())
&& p1.getProxyServerType().value().equals(p2.getProxyServerType().value())
&& (p1.getReceiveTimeout() == p2.getReceiveTimeout())
&& StringUtils.equals(p1.getReferer(), p2.getReferer());
return result;
}
/**
* Returns a new HTTPClientPolicy that is compatible with the two specified
* policies or null if no compatible policy can be determined.
*
* @param p1 one policy
* @param p2 another policy
* @return the compatible policy
*/
public HTTPClientPolicy intersect(HTTPClientPolicy p1, HTTPClientPolicy p2) {
// incompatibilities
if (!compatible(p1, p2)) {
return null;
}
// ok - compute compatible policy
HTTPClientPolicy p = new HTTPClientPolicy();
p.setAccept(StringUtils.combine(p1.getAccept(), p2.getAccept()));
p.setAcceptEncoding(StringUtils.combine(p1.getAcceptEncoding(), p2.getAcceptEncoding()));
p.setAcceptLanguage(StringUtils.combine(p1.getAcceptLanguage(), p2.getAcceptLanguage()));
if (p1.isSetAllowChunking()) {
p.setAllowChunking(p1.isAllowChunking());
} else if (p2.isSetAllowChunking()) {
p.setAllowChunking(p2.isAllowChunking());
}
if (p1.isSetAutoRedirect()) {
p.setAutoRedirect(p1.isAutoRedirect());
} else if (p2.isSetAutoRedirect()) {
p.setAutoRedirect(p2.isAutoRedirect());
}
p.setBrowserType(StringUtils.combine(p1.getBrowserType(), p2.getBrowserType()));
if (p1.isSetCacheControl()) {
p.setCacheControl(p1.getCacheControl());
} else if (p2.isSetCacheControl()) {
p.setCacheControl(p2.getCacheControl());
}
if (p1.isSetConnection()) {
p.setConnection(p1.getConnection());
} else if (p2.isSetConnection()) {
p.setConnection(p2.getConnection());
}
if (p1.isSetContentType()) {
p.setContentType(p1.getContentType());
} else if (p2.isSetContentType()) {
p.setContentType(p2.getContentType());
}
p.setCookie(StringUtils.combine(p1.getCookie(), p2.getCookie()));
p.setDecoupledEndpoint(StringUtils.combine(p1.getDecoupledEndpoint(), p2.getDecoupledEndpoint()));
p.setHost(StringUtils.combine(p1.getHost(), p2.getHost()));
p.setProxyServer(StringUtils.combine(p1.getProxyServer(), p2.getProxyServer()));
if (p1.isSetProxyServerPort()) {
p.setProxyServerPort(p1.getProxyServerPort());
} else if (p2.isSetProxyServerPort()) {
p.setProxyServerPort(p2.getProxyServerPort());
}
if (p1.isSetProxyServerType()) {
p.setProxyServerType(p1.getProxyServerType());
} else if (p2.isSetProxyServerType()) {
p.setProxyServerType(p2.getProxyServerType());
}
p.setReferer(StringUtils.combine(p1.getReferer(), p2.getReferer()));
if (p1.isSetConnectionTimeout()) {
p.setConnectionTimeout(p1.getConnectionTimeout());
} else if (p2.isSetConnectionTimeout()) {
p.setConnectionTimeout(p2.getConnectionTimeout());
}
if (p1.isSetReceiveTimeout()) {
p.setReceiveTimeout(p1.getReceiveTimeout());
} else if (p2.isSetReceiveTimeout()) {
p.setReceiveTimeout(p2.getReceiveTimeout());
}
return p;
}
/**
* Checks if two HTTPClientPolicy objects are compatible.
*
* @param p1 one client policy
* @param p2 another client policy
* @return true iff policies are compatible
*/
public boolean compatible(HTTPClientPolicy p1, HTTPClientPolicy p2) {
if (p1 == p2 || p1.equals(p2)) {
return true;
}
boolean compatible = true;
if (compatible) {
compatible &= StringUtils.compatible(p1.getAccept(), p2.getAccept());
}
if (compatible) {
compatible &= StringUtils.compatible(p1.getAcceptEncoding(), p2.getAcceptEncoding());
}
if (compatible) {
compatible &= StringUtils.compatible(p1.getAcceptLanguage(), p2.getAcceptLanguage());
}
if (compatible) {
compatible &= StringUtils.compatible(p1.getBrowserType(), p2.getBrowserType());
}
if (compatible) {
compatible &= !p1.isSetCacheControl() || !p2.isSetCacheControl()
|| p1.getCacheControl().equals(p2.getCacheControl());
}
if (compatible) {
compatible = !p1.isSetConnection() || !p2.isSetConnection()
|| p1.getConnection().value().equals(p2.getConnection().value());
}
if (compatible) {
compatible = !p1.isSetContentType() || !p2.isSetContentType()
|| p1.getContentType().equals(p2.getContentType());
}
if (compatible) {
compatible &= StringUtils.compatible(p1.getCookie(), p2.getCookie());
}
// REVISIT: Should compatibility require strict equality?
if (compatible) {
compatible &= StringUtils.compatible(p1.getDecoupledEndpoint(), p2.getDecoupledEndpoint());
}
if (compatible) {
compatible &= StringUtils.compatible(p1.getHost(), p2.getHost());
}
if (compatible) {
compatible &= StringUtils.compatible(p1.getProxyServer(), p2.getProxyServer());
}
if (compatible) {
compatible &= !p1.isSetProxyServerPort() || !p2.isSetProxyServerPort()
|| p1.getProxyServerPort() == p2.getProxyServerPort();
}
if (compatible) {
compatible &= !p1.isSetProxyServerType() || !p2.isSetProxyServerType()
|| p1.getProxyServerType().equals(p2.getProxyServerType());
}
if (compatible) {
compatible &= StringUtils.compatible(p1.getReferer(), p2.getReferer());
}
if (compatible) {
compatible &= p1.isAllowChunking() == p2.isAllowChunking();
}
if (compatible) {
compatible &= p1.isAutoRedirect() == p2.isAutoRedirect();
}
return compatible;
}
public boolean isAsserted(Message message, HTTPClientPolicy policy, HTTPClientPolicy refPolicy) {
boolean outbound = MessageUtils.isOutbound(message);
boolean compatible = compatible(policy, refPolicy);
return !outbound || compatible;
}
public Class<HTTPClientPolicy> getDataClass() {
return HTTPClientPolicy.class;
}
public QName getDataClassName() {
return new ObjectFactory().createClient(null).getName();
}
public static String toString(HTTPClientPolicy p) {
StringBuilder buf = new StringBuilder();
buf.append(p);
buf.append("[DecoupledEndpoint=\"");
buf.append(p.getDecoupledEndpoint());
buf.append("\", ReceiveTimeout=");
buf.append(p.getReceiveTimeout());
buf.append("])");
return buf.toString();
}
}