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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*
*******************************************************************************/
package org.onap.dmaap.mr.client.impl;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.http.HttpHost;
class MRConstants
{
private static final String PROTOCOL = "http";
public static final String context = "/";
public static final String kBasePath = "events/";
public static final int kStdMRServicePort = 8080;
public static String escape ( String s )
{
try
{
return URLEncoder.encode ( s, "UTF-8");
}
catch ( UnsupportedEncodingException e )
{
throw new IllegalArgumentException(e);
}
}
public static String makeUrl ( String rawTopic )
{
final String cleanTopic = escape ( rawTopic );
final StringBuffer url = new StringBuffer().
append ( MRConstants.context ).
append ( MRConstants.kBasePath ).
append ( cleanTopic );
return url.toString ();
}
public static String makeUrl ( final String host, final String rawTopic )
{
final String cleanTopic = escape ( rawTopic );
final StringBuffer url = new StringBuffer();
if (!host.startsWith("http") || !host.startsWith("https") ) {
url.append( PROTOCOL + "://" );
}
url.append(host);
url.append ( MRConstants.context );
url.append ( MRConstants.kBasePath );
url.append ( cleanTopic );
return url.toString ();
}
public static String makeUrl ( final String host, final String rawTopic, final String transferprotocol,final String parttion )
{
final String cleanTopic = escape ( rawTopic );
final StringBuffer url = new StringBuffer();
if (transferprotocol !=null && !transferprotocol.equals("")) {
url.append( transferprotocol + "://" );
}else{
url.append( PROTOCOL + "://" );
}
url.append(host);
url.append ( MRConstants.context );
url.append ( MRConstants.kBasePath );
url.append ( cleanTopic );
if(parttion!=null && !parttion.equalsIgnoreCase(""))
url.append("?partitionKey=").append(parttion);
return url.toString ();
}
public static String makeConsumerUrl ( String topic, String rawConsumerGroup, String rawConsumerId )
{
final String cleanConsumerGroup = escape ( rawConsumerGroup );
final String cleanConsumerId = escape ( rawConsumerId );
return MRConstants.context + MRConstants.kBasePath + topic + "/" + cleanConsumerGroup + "/" + cleanConsumerId;
}
/**
* Create a list of HttpHosts from an input list of strings. Input strings have
* host[:port] as format. If the port section is not provided, the default port is used.
*
* @param hosts
* @return a list of hosts
*/
public static List<HttpHost> createHostsList(Collection<String> hosts)
{
final ArrayList<HttpHost> convertedHosts = new ArrayList<> ();
for ( String host : hosts )
{
if ( host.length () == 0 ) continue;
convertedHosts.add ( hostForString ( host ) );
}
return convertedHosts;
}
/**
* Return an HttpHost from an input string. Input string has
* host[:port] as format. If the port section is not provided, the default port is used.
*
* @param hosts
* @return a list of hosts
*/
public static HttpHost hostForString ( String host )
{
if ( host.length() < 1 ) throw new IllegalArgumentException ( "An empty host entry is invalid." );
String hostPart = host;
int port = kStdMRServicePort;
final int colon = host.indexOf ( ':' );
if ( colon == 0 ) throw new IllegalArgumentException ( "Host entry '" + host + "' is invalid." );
if ( colon > 0 )
{
hostPart = host.substring ( 0, colon ).trim();
final String portPart = host.substring ( colon + 1 ).trim();
if ( portPart.length () > 0 )
{
try
{
port = Integer.parseInt ( portPart );
}
catch ( NumberFormatException x )
{
throw new IllegalArgumentException ( "Host entry '" + host + "' is invalid.", x );
}
}
// else: use default port on "foo:"
}
return new HttpHost ( hostPart, port );
}
public static String makeConsumerUrl(String host, String fTopic, String fGroup, String fId,final String transferprotocol) {
final String cleanConsumerGroup = escape ( fGroup );
final String cleanConsumerId = escape ( fId );
StringBuffer url = new StringBuffer();
if (transferprotocol !=null && !transferprotocol.equals("")) {
url.append( transferprotocol + "://" );
}else{
url.append( PROTOCOL + "://" );
}
url.append(host);
url.append(context);
url.append(kBasePath);
url.append(fTopic + "/" + cleanConsumerGroup + "/" + cleanConsumerId);
return url.toString();
}
}
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