/**

* Jooby https://jooby.io

* Apache License Version 2.0 https://jooby.io/LICENSE.txt

* Copyright 2014 Edgar Espina

*/

package io.jooby.internal;

import io.jooby.Asset;

import io.jooby.MediaType;

import io.jooby.SneakyThrows;

import javax.annotation.Nonnull;

import java.io.IOException;

import java.io.InputStream;

import java.net.JarURLConnection;

import java.util.jar.JarFile;

import java.util.zip.ZipEntry;

public class JarAsset implements Asset {

private final ZipEntry entry;

private final JarFile jar;

public JarAsset(JarURLConnection connection) throws IOException {

connection.setUseCaches(false);

jar = connection.getJarFile();

entry = jar.getEntry(connection.getEntryName());

}

@Override public boolean isDirectory() {

return entry.isDirectory();

}

@Override public long getSize() {

return entry.getSize();

}

@Override public long getLastModified() {

return entry.getTime();

}

@Nonnull @Override public MediaType getContentType() {

return MediaType.byFile(entry.getName());

}

@Override public InputStream stream() {

try {

return jar.getInputStream(entry);

} catch (IOException x) {

throw SneakyThrows.propagate(x);

}

}

@Override public void close() {

try {

jar.close();

} catch (Exception x) {

// silence

}

}

}