/*
* Copyright � 2016 TIBCO Software,Inc.All rights reserved.
* http://community.jaspersoft.com/project/jaspermobile-android
*
* Unless you have purchased a commercial license agreement from TIBCO Jaspersoft,
* the following license terms apply:
*
* This program is part of TIBCO Jaspersoft Mobile for Android.
*
* TIBCO Jaspersoft Mobile 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 3of the License,or
* (at your option)any later version.
*
* TIBCO Jaspersoft Mobile 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 TIBCO Jaspersoft Mobile for Android.If not,see
* <http://www.gnu.org/licenses/lgpl>.
*/
package com.jaspersoft.android.jaspermobile.domain.interactor.report;
import android.os.ParcelFileDescriptor;
import com.jaspersoft.android.jaspermobile.domain.PageRequest;
import com.jaspersoft.android.jaspermobile.domain.PrintRequest;
import com.jaspersoft.android.jaspermobile.domain.ReportPage;
import com.jaspersoft.android.jaspermobile.domain.executor.PostExecutionThread;
import com.jaspersoft.android.jaspermobile.domain.executor.PreExecutionThread;
import com.jaspersoft.android.jaspermobile.domain.interactor.AbstractUseCase;
import com.jaspersoft.android.jaspermobile.domain.repository.report.ReportPageRepository;
import com.jaspersoft.android.jaspermobile.domain.repository.report.ReportRepository;
import com.jaspersoft.android.jaspermobile.internal.di.PerProfile;
import com.jaspersoft.android.sdk.service.rx.report.RxReportExecution;
import org.apache.commons.io.IOUtils;
import java.io.ByteArrayInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.inject.Inject;
import rx.Observable;
import rx.functions.Func1;
/**
* @author Tom Koptel
* @since 2.3
*/
@PerProfile
public class GetPrintReportPageCase extends AbstractUseCase<ParcelFileDescriptor, PrintRequest> {
private final ReportRepository mReportRepository;
private final ReportPageRepository mReportPageRepository;
@Inject
public GetPrintReportPageCase(
PreExecutionThread preExecutionThread,
PostExecutionThread postExecutionThread,
ReportRepository reportRepository,
ReportPageRepository reportPageRepository
) {
super(preExecutionThread, postExecutionThread);
mReportRepository = reportRepository;
mReportPageRepository = reportPageRepository;
}
@Override
protected Observable<ParcelFileDescriptor> buildUseCaseObservable(final PrintRequest request) {
final PageRequest pageRequest = request.getPageRequest();
return mReportRepository.getReport(pageRequest.getUri())
.flatMap(new Func1<RxReportExecution, Observable<ReportPage>>() {
@Override
public Observable<ReportPage> call(RxReportExecution execution) {
return mReportPageRepository.get(execution, pageRequest);
}
}).flatMap(new Func1<ReportPage, Observable<ParcelFileDescriptor>>() {
@Override
public Observable<ParcelFileDescriptor> call(ReportPage page) {
ParcelFileDescriptor destination = request.getDestination();
OutputStream output = new FileOutputStream(destination.getFileDescriptor());
InputStream stream = new ByteArrayInputStream(page.getContent());
try {
IOUtils.copy(stream, output);
} catch (IOException e) {
return Observable.error(e);
}
IOUtils.closeQuietly(stream);
return Observable.just(destination);
}
});
}
}