net.sf.jasperreports.data.http.HttpDataConnection Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jasperreports Show documentation
Show all versions of jasperreports Show documentation
Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.data.http;
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpEntity;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.util.EntityUtils;
import net.sf.jasperreports.data.DataFileConnection;
import net.sf.jasperreports.engine.JRRuntimeException;
/**
* @author Lucian Chirita ([email protected])
*/
public class HttpDataConnection implements DataFileConnection
{
private static final Log log = LogFactory.getLog(HttpDataConnection.class);
public static final String EXCEPTION_MESSAGE_KEY_NO_RESPONSE = "data.http.no.response";
public static final String EXCEPTION_MESSAGE_KEY_STATUS_CODE_ERROR = "data.http.status.code.error";
private final CloseableHttpClient httpClient;
private final HttpRequestBase request;
private CloseableHttpResponse response;
public HttpDataConnection(CloseableHttpClient httpClient, HttpRequestBase request)
{
this.httpClient = httpClient;
this.request = request;
}
@Override
public InputStream getInputStream()
{
try
{
response = httpClient.execute(request);
StatusLine status = response.getStatusLine();
if (log.isDebugEnabled())
{
log.debug("HTTP response status " + status);
}
HttpEntity entity = response.getEntity();
if (entity == null)
{
throw
new JRRuntimeException(
EXCEPTION_MESSAGE_KEY_NO_RESPONSE,
(Object[])null);
}
if (status.getStatusCode() >= 300)
{
EntityUtils.consumeQuietly(entity);
//FIXME include request URI in the exception? that might be a security issue
throw
new JRRuntimeException(
EXCEPTION_MESSAGE_KEY_STATUS_CODE_ERROR,
new Object[]{status});
}
return entity.getContent();
}
catch (ClientProtocolException e)
{
throw new JRRuntimeException(e);
}
catch (IOException e)
{
throw new JRRuntimeException(e);
}
}
@Override
public void dispose()
{
if (response != null)
{
try
{
response.close();
}
catch (IOException e)
{
if (log.isWarnEnabled())
{
log.warn("Error closing HTTP response", e);
}
}
}
try
{
httpClient.close();
}
catch (IOException e)
{
if (log.isWarnEnabled())
{
log.warn("Error closing HTTP client", e);
}
}
}
}