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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.dmf.mr.resources.streamReaders;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import javax.servlet.http.HttpServletResponse;
import org.onap.dmaap.dmf.mr.CambriaApiException;
import org.onap.dmaap.dmf.mr.backends.Publisher.message;
import org.onap.dmaap.dmf.mr.beans.LogDetails;
import org.onap.dmaap.dmf.mr.resources.CambriaEventSet.reader;
/**
* This stream reader just pulls single lines. It uses the default partition if provided. If
* not, the key is the current time, which does not guarantee ordering.
*
* @author peter
*
*/
public class CambriaTextStreamReader implements reader
{
/**
* This is the constructor for Cambria Text Reader format
* @param is
* @param defPart
* @throws CambriaApiException
*/
public CambriaTextStreamReader ( InputStream is, String defPart ) throws CambriaApiException
{
fReader = new BufferedReader ( new InputStreamReader ( is ) );
fDefPart = defPart;
}
@Override
/**
* next() method iterates through msg length
* throws IOException
* throws CambriaApiException
*
*/
public message next () throws CambriaApiException
{
try
{
final String line = fReader.readLine ();
if ( line == null ) {
return null;
}
return new message ()
{
private LogDetails logDetails;
private boolean transactionEnabled;
/**
* returns boolean value which
* indicates whether transaction is enabled
* @return
*/
public boolean isTransactionEnabled() {
return transactionEnabled;
}
/**
* sets boolean value which
* indicates whether transaction is enabled
*/
public void setTransactionEnabled(boolean transactionEnabled) {
this.transactionEnabled = transactionEnabled;
}
@Override
/**
* @returns key
* It ch4ecks whether fDefPart value is Null.
* If yes, it will return ystem.currentTimeMillis () else
* it will return fDefPart variable value
*/
public String getKey ()
{
return fDefPart == null ? "" + System.currentTimeMillis () : fDefPart;
}
@Override
/**
* returns the message in String type object
* @return
*/
public String getMessage ()
{
return line;
}
@Override
/**
* set log details in logDetails variable
*/
public void setLogDetails(LogDetails logDetails) {
this.logDetails = logDetails;
}
@Override
/**
* get the log details
*/
public LogDetails getLogDetails() {
return this.logDetails;
}
};
}
catch ( IOException e )
{
throw new CambriaApiException ( HttpServletResponse.SC_BAD_REQUEST, e.getMessage () );
}
}
private final BufferedReader fReader;
private final String fDefPart;
}
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