/**
* Copyright © 2002 Instituto Superior Técnico
*
* This file is part of FenixEdu Academic.
*
* FenixEdu Academic 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.
*
* FenixEdu Academic 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 FenixEdu Academic. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fenixedu.academic.domain.candidacy.util;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import org.fenixedu.academic.domain.candidacy.GenericApplication;
import org.fenixedu.academic.domain.candidacy.GenericApplicationFile;
import org.fenixedu.academic.domain.candidacy.GenericApplicationLetterOfRecomentation;
import org.fenixedu.academic.domain.candidacy.GenericApplicationRecomentation;
import org.fenixedu.academic.domain.exceptions.DomainException;
import pt.ist.fenixframework.Atomic;
import com.google.common.io.ByteStreams;
import com.lowagie.text.pdf.PdfReader;
public class GenericApplicationUploadBean implements Serializable {
private static final long serialVersionUID = 1L;
protected transient InputStream stream;
protected long fileSize;
protected String fileName;
protected String displayName;
public GenericApplicationUploadBean() {
}
public InputStream getStream() throws FileNotFoundException {
return this.stream;
}
public void setStream(InputStream stream) throws IOException {
this.stream = stream;
}
public long getFileSize() {
return fileSize;
}
public void setFileSize(long fileSize) {
this.fileSize = fileSize;
}
public String getFileName() {
return fileName;
}
public void setFileName(String fileName) {
this.fileName = fileName;
}
public String getDisplayName() {
return displayName;
}
public void setDisplayName(String displayName) {
this.displayName = displayName;
}
protected static final int MAX_FILE_SIZE = 3698688;
protected byte[] readStreamContents() throws IOException {
try (final InputStream stream = this.getStream()) {
if (stream == null || getFileSize() == 0) {
return null;
}
if (getFileSize() > MAX_FILE_SIZE) {
throw new DomainException("error.file.to.big");
}
byte[] contents = ByteStreams.toByteArray(stream);
// Ensure the submitted file is a PDF
new PdfReader(contents);
return contents;
}
}
@Atomic
public GenericApplicationFile uploadTo(final GenericApplication application) {
try {
final byte[] content = readStreamContents();
if (content != null && content.length > 0) {
return new GenericApplicationFile(application, displayName, fileName, content);
}
} catch (final IOException ex) {
throw new Error(ex);
}
return null;
}
@Atomic
public GenericApplicationLetterOfRecomentation uploadTo(final GenericApplicationRecomentation recomentation) {
try {
final byte[] content = readStreamContents();
if (content != null && content.length > 0) {
if (recomentation.getLetterOfRecomentation() != null) {
recomentation.getLetterOfRecomentation().delete();
}
return new GenericApplicationLetterOfRecomentation(recomentation, displayName, fileName, content);
}
} catch (final IOException ex) {
throw new Error(ex);
}
return null;
}
}