net.sf.jasperreports.compilers.JavaScriptCompiledData 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.compilers;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRRuntimeException;
/**
* Compiled Java code for reports that use JavaScript as expression language.
*
* @author Lucian Chirita ([email protected])
* @see JavaScriptClassCompiler
*/
public class JavaScriptCompiledData implements Serializable
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
public static final String EXCEPTION_MESSAGE_KEY_TOO_MANY_EXPRESSIONs = "compilers.javascript.too.many.expressions";
protected static class ExpressionIndexes implements Serializable
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private final int defaultExpressionIdx;
private final int oldExpressionIdx;
private final int estimatedExpressionIdx;
public ExpressionIndexes(int defaultExpressionIdx, int oldExpressionIdx, int estimatedExpressionIdx)
{
this.defaultExpressionIdx = defaultExpressionIdx;
this.oldExpressionIdx = oldExpressionIdx;
this.estimatedExpressionIdx = estimatedExpressionIdx;
}
public int getDefaultExpressionIndex()
{
return defaultExpressionIdx;
}
public int getOldExpressionIndex()
{
return oldExpressionIdx;
}
public int getEstimatedExpressionIndex()
{
return estimatedExpressionIdx;
}
}
protected static class CompiledClass implements Serializable
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private final String className;
private final byte[] classBytes;
public CompiledClass(String className, byte[] classBytes)
{
this.className = className;
this.classBytes = classBytes;
}
public String getClassName()
{
return className;
}
public byte[] getClassBytes()
{
return classBytes;
}
}
protected static int makeExpressionIndex(int scriptIndex, int expressionId)
{
if (scriptIndex > 0x7fff || expressionId > 0x7fff)
{
throw
new JRRuntimeException(
EXCEPTION_MESSAGE_KEY_TOO_MANY_EXPRESSIONs,
(Object[])null);
}
return ((scriptIndex & 0x7fff) << 16) | (expressionId & 0x7fff);
}
protected static int scriptIndex(int expressionIndex)
{
return (expressionIndex >> 16) & 0x7fff;
}
protected static int expressionId(int expressionIndex)
{
return expressionIndex & 0x7fff;
}
private final List expressionIndexes = new ArrayList();
private final List compiledClasses = new ArrayList(1);
public void addExpression(int expressionId,
int defaultExpressionIdx, int oldExpressionIdx, int estimatedExpressionIdx)
{
for (int idx = expressionIndexes.size(); idx <= expressionId; ++idx)
{
expressionIndexes.add(idx, null);
}
ExpressionIndexes expressionData = new ExpressionIndexes(defaultExpressionIdx, oldExpressionIdx, estimatedExpressionIdx);
expressionIndexes.set(expressionId, expressionData);
}
public ExpressionIndexes getExpression(int id)
{
if (id >= expressionIndexes.size())
{
throw
new JRRuntimeException(
JavaScriptCompileData.EXCEPTION_MESSAGE_KEY_EXPRESSION_NOT_FOUND,
new Object[]{id});
}
ExpressionIndexes expr = expressionIndexes.get(id);
if (expr == null)
{
throw
new JRRuntimeException(
JavaScriptCompileData.EXCEPTION_MESSAGE_KEY_EXPRESSION_NOT_FOUND,
new Object[]{id});
}
return expr;
}
public void addClass(String className, byte[] data)
{
compiledClasses.add(new CompiledClass(className, data));
}
public CompiledClass getCompiledClass(int classIndex)
{
return compiledClasses.get(classIndex);
}
}