net.sf.jasperreports.engine.virtualization.LocalVirtualizationInput Maven / Gradle / Ivy
/*
* 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.engine.virtualization;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectStreamClass;
import net.sf.jasperreports.engine.fill.JRVirtualizationContext;
import net.sf.jasperreports.engine.util.LocalVirtualizationSerializer;
/**
* @author Lucian Chirita ([email protected])
*/
public class LocalVirtualizationInput extends VirtualizationInput
{
private final LocalVirtualizationSerializer serializer;
public LocalVirtualizationInput(InputStream in, LocalVirtualizationSerializer serializer,
JRVirtualizationContext virtualizationContext) throws IOException
{
super(in, virtualizationContext);
this.serializer = serializer;
}
@Override
protected Class resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException
{
Class clazz;
try
{
clazz = super.resolveClass(desc);
readShort();
}
catch (ClassNotFoundException e)
{
int loaderIdx = readShort();
clazz = serializer.resolveClass(desc, loaderIdx);
if (clazz == null)
{
throw e;
}
}
return clazz;
}
@Override
protected ObjectStreamClass readClassDescriptor() throws IOException,
ClassNotFoundException
{
int classIdx = readIntCompressed();
Class clazz = serializer.getClassForDescriptorIdx(classIdx);
ObjectStreamClass descriptor = ObjectStreamClass.lookupAny(clazz);
return descriptor;
}
}