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A set of classes and interfaces that help building Reports

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/*
 * Copyright (C) 2023 Dynamia Soluciones IT S.A.S - NIT 900302344-1
 * Colombia / South America
 *
 * 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.
 */
package tools.dynamia.reports.jr;

import net.sf.jasperreports.engine.JasperCompileManager;
import tools.dynamia.io.IOUtils;
import tools.dynamia.reports.ReportCompileException;
import tools.dynamia.reports.ReportCompiler;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;

public class JasperReportCompiler implements ReportCompiler {

    @Override
    public File compile(File reportFile) {
        JasperReportExplorerFilter filter = new JasperReportExplorerFilter();
        if (filter.match(reportFile)) {
            File jasperFile = findJasper(reportFile);
            if (!jasperFile.exists() || reportFile.lastModified() > jasperFile.lastModified()) {
                try (FileInputStream input = new FileInputStream(reportFile)) {
                    FileOutputStream output = new FileOutputStream(jasperFile);
                    JasperCompileManager.compileReportToStream(input, output);

                    output.close();
                } catch (Exception e) {
                    throw new ReportCompileException(e);
                }
            }
            return jasperFile;
        } else {
            throw new ReportCompileException("Unsupport report file, should be a JasperReports .jrxml file");
        }

    }

    private File findJasper(File reportFile) {
        File dir = reportFile.getParentFile();
        String name = IOUtils.getFileNameWithoutExtension(reportFile);
        return new File(dir, name + ".jasper");
    }

}