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package org.hl7.fhir.utilities;
/*
Copyright (c) 2011+, HL7, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of HL7 nor the names of its contributors may be used to
endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashSet;
import java.util.Set;
import java.util.zip.CRC32;
import java.util.zip.Deflater;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;
import org.hl7.fhir.utilities.filesystem.CSFile;
import org.hl7.fhir.utilities.filesystem.ManagedFileAccess;
public class ZipGenerator {
private Set names = new HashSet();
FileOutputStream dest;
ZipOutputStream out;
public ZipGenerator(String filename) throws IOException {
dest = ManagedFileAccess.outStream(filename);
out = new ZipOutputStream(new BufferedOutputStream(dest));
out.setLevel(Deflater.BEST_COMPRESSION);
}
public void close() throws IOException {
out.close();
}
static final int BUFFER = 2048;
public void addFromZip(String zipFilename) throws IOException {
byte[] buf = new byte[1024];
ZipInputStream zin = new ZipInputStream(
ManagedFileAccess.inStream(zipFilename));
try {
ZipEntry entry = zin.getNextEntry();
while (entry != null) {
String name = entry.getName();
names.add(name);
// Add ZIP entry to output stream.
out.putNextEntry(new ZipEntry(name));
// Transfer bytes from the ZIP file to the output file
int len;
while ((len = zin.read(buf)) > 0) {
out.write(buf, 0, len);
}
entry = zin.getNextEntry();
}
} finally {
zin.close();
}
}
public void addFolder(String actualDir, String statedDir, boolean omitIfExists) throws IOException {
File fd = ManagedFileAccess.csfile(actualDir);
String files[] = fd.list();
for (String f : files) {
if (!".DS_Store".equals(f)) {
if (ManagedFileAccess.csfile(Utilities.path(actualDir, f)).isDirectory())
addFolder(Utilities.path(actualDir, f), Utilities.pathURL(statedDir, f), omitIfExists);
else
addFileName(Utilities.pathURL(statedDir, f), Utilities.path(actualDir, f), omitIfExists);
}
}
}
public void addFolder(String actualDir, String statedDir, boolean omitIfExists, String noExt) throws IOException {
File fd = ManagedFileAccess.csfile(actualDir);
String files[] = fd.list();
for (String f : files) {
if (!".DS_Store".equals(f)) {
if (ManagedFileAccess.csfile(Utilities.path(actualDir, f)).isDirectory())
addFolder(Utilities.path(actualDir, f), Utilities.pathURL(statedDir, f), omitIfExists, noExt);
else if (noExt == null || !f.endsWith(noExt))
addFileName(Utilities.pathURL(statedDir, f), Utilities.path(actualDir, f), omitIfExists);
}
}
}
public void addFiles(String actualDir, String statedDir, String ext, String noExt) throws FileNotFoundException, IOException {
byte data[] = new byte[BUFFER];
statedDir = statedDir.replace("\\", "/");
File f = ManagedFileAccess.csfile(actualDir);
String files[] = f.list();
if (files == null) {
System.out.println("no files found in "+f.getName());
} else {
for (int i = 0; i < files.length; i++) {
if (!".DS_Store".equals(files[i])) {
String fn = Utilities.path(actualDir, files[i]);
if ( ManagedFileAccess.csfile(fn).isFile() && ((ext == null || files[i].endsWith(ext)) && (noExt == null || !files[i].endsWith(noExt)))) {
FileInputStream fi = ManagedFileAccess.inStream(fn);
BufferedInputStream origin = new BufferedInputStream(fi, BUFFER);
ZipEntry entry = new ZipEntry(statedDir + files[i]);
names.add(statedDir + files[i]);
out.putNextEntry(entry);
int count;
while ((count = origin.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, count);
}
origin.close();
}
}
}
}
}
public void addFilesFiltered(String actualDir, String statedDir, String ext, String[] noExt) throws FileNotFoundException, IOException {
byte data[] = new byte[BUFFER];
statedDir = statedDir.replace("\\", "/");
File f = ManagedFileAccess.csfile(actualDir);
String files[] = f.list();
for (int i = 0; i < files.length; i++) {
if (!".DS_Store".equals(files[i])) {
if ( ManagedFileAccess.csfile(actualDir + files[i]).isFile() && ((ext == null || files[i].endsWith(ext)))) {
boolean ok = true;
for (String n : noExt) {
ok = ok && !files[i].endsWith(n);
}
if (ok) {
FileInputStream fi = ManagedFileAccess.inStream(actualDir + files[i]);
BufferedInputStream origin = new BufferedInputStream(fi, BUFFER);
ZipEntry entry = new ZipEntry(statedDir + files[i]);
names.add(statedDir + files[i]);
out.putNextEntry(entry);
int count;
while ((count = origin.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, count);
}
origin.close();
}
}
}
}
}
public void addFileSource(String path, String cnt, boolean omitIfExists) throws IOException {
File tmp = Utilities.createTempFile("tmp", ".tmp");
TextFile.stringToFile(cnt, tmp.getAbsolutePath());
addFileName(path, tmp.getAbsolutePath(), omitIfExists);
tmp.delete();
}
public void addFileName(String statedPath, String actualPath, boolean omitIfExists) throws IOException {
if (!omitIfExists || !names.contains(statedPath)) {
byte data[] = new byte[BUFFER];
FileInputStream fi = ManagedFileAccess.inStream(actualPath);
BufferedInputStream origin = new BufferedInputStream(fi, BUFFER);
ZipEntry entry = new ZipEntry(statedPath);
names.add(statedPath);
out.putNextEntry(entry);
int count;
while ((count = origin.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, count);
}
origin.close();
}
}
public void addBytes(String statedPath, byte[] content, boolean omitIfExists) throws IOException {
if (!omitIfExists || !names.contains(statedPath)) {
byte data[] = new byte[BUFFER];
InputStream fi = new ByteArrayInputStream(content);
BufferedInputStream origin = new BufferedInputStream(fi, BUFFER);
ZipEntry entry = new ZipEntry(statedPath);
names.add(statedPath);
out.putNextEntry(entry);
int count;
while ((count = origin.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, count);
}
origin.close();
}
}
public void addMimeTypeFile(String statedPath, String actualPath) throws IOException {
// byte data[] = new byte[BUFFER];
CRC32 crc = new CRC32();
// FileInputStream fi = ManagedFileAccess.inStream(actualPath);
// BufferedInputStream origin = new BufferedInputStream(fi, BUFFER);
out.setLevel(0);
ZipEntry entry = new ZipEntry(statedPath);
entry.setExtra(null);
names.add(statedPath);
String contents = "application/epub+zip";
crc.update(contents.getBytes());
entry.setCompressedSize(contents.length());
entry.setSize(contents.length());
entry.setCrc(crc.getValue());
entry.setMethod(ZipEntry.STORED);
out.putNextEntry(entry);
// int count;
// while ((count = origin.read(data, 0, BUFFER)) != -1) {
// out.write(data, 0, count);
// }
// origin.close();
out.write(contents.getBytes(),0,contents.length());
out.setLevel(Deflater.BEST_COMPRESSION);
}
public void addStream(String statedPath, InputStream fi, boolean omitIfExists) throws IOException {
if (!omitIfExists || !names.contains(statedPath)) {
byte data[] = new byte[BUFFER];
BufferedInputStream origin = new BufferedInputStream(fi, BUFFER);
ZipEntry entry = new ZipEntry(statedPath);
names.add(statedPath);
out.putNextEntry(entry);
int count;
while ((count = origin.read(data, 0, BUFFER)) != -1) {
out.write(data, 0, count);
}
origin.close();
}
}
}
