protected String generateScript() {
StringBuffer sb = new StringBuffer();
generateScriptStart(sb);
generateDeclarations(sb);
generateInitMethod(sb);
sb.append("\n");
sb.append("\n");
List expressions = sourceTask.getExpressions();
sb.append(generateMethod(JRExpression.EVALUATION_DEFAULT, expressions));
if (sourceTask.isOnlyDefaultEvaluation()) {
List empty = new ArrayList();
sb.append(generateMethod(JRExpression.EVALUATION_OLD, empty));
sb.append(generateMethod(JRExpression.EVALUATION_ESTIMATED, empty));
} else {
sb.append(generateMethod(JRExpression.EVALUATION_OLD, expressions));
sb.append(generateMethod(JRExpression.EVALUATION_ESTIMATED, expressions));
}
generateScriptEnd(sb);
return sb.toString();
}
protected JRBshGenerator(JRSourceCompileTask sourceTask) {
this.sourceTask = sourceTask;
this.parametersMap = sourceTask.getParametersMap();
this.fieldsMap = sourceTask.getFieldsMap();
this.variablesMap = sourceTask.getVariablesMap();
this.variables = sourceTask.getVariables();
}
protected final String generateMethod(byte evaluationType, List expressionsList) {
StringBuffer sb = new StringBuffer();
/* */
sb.append(" Object evaluate");
sb.append((String) methodSuffixMap.get(new Byte(evaluationType)));
sb.append("(int id)\n");
sb.append(" {\n");
sb.append(" Object value = null;\n");
sb.append("\n");
sb.append(" switch (id)\n");
sb.append(" {\n");
if (expressionsList != null && !expressionsList.isEmpty()) {
JRExpression expression = null;
for (Iterator it = expressionsList.iterator(); it.hasNext(); ) {
expression = (JRExpression) it.next();
sb.append(" case ");
sb.append(sourceTask.getExpressionId(expression));
sb.append(" :\n");
sb.append(" {\n");
sb.append(" value = (");
sb.append(expression.getValueClassName());
sb.append(")(");
sb.append(this.generateExpression(expression, evaluationType));
sb.append(");\n");
sb.append(" break;\n");
sb.append(" }\n");
}
}
/* */
sb.append(" default :\n");
sb.append(" {\n");
sb.append(" }\n");
sb.append(" }\n");
sb.append(" \n");
sb.append(" return value;\n");
sb.append(" }\n");
sb.append("\n");
sb.append("\n");
return sb.toString();
}
protected final void generateScriptStart(StringBuffer sb) {
/* */
sb.append("//\n");
sb.append("// Generated by JasperReports - ");
sb.append((new SimpleDateFormat()).format(new java.util.Date()));
sb.append("\n");
sb.append("//\n");
sb.append("import net.sf.jasperreports.engine.*;\n");
sb.append("import net.sf.jasperreports.engine.fill.*;\n");
sb.append("\n");
sb.append("import java.util.*;\n");
sb.append("import java.math.*;\n");
sb.append("import java.text.*;\n");
sb.append("import java.io.*;\n");
sb.append("import java.net.*;\n");
sb.append("\n");
/* */
String[] imports = sourceTask.getImports();
if (imports != null && imports.length > 0) {
for (int i = 0; i < imports.length; i++) {
sb.append("import ");
sb.append(imports[i]);
sb.append(";\n");
}
}
/* */
sb.append("\n");
sb.append("\n");
sb.append("createBshEvaluator()\n");
sb.append("{\n");
sb.append("\n");
sb.append("\n");
sb.append(" JREvaluator evaluator = null;\n");
sb.append("\n");
}
