package org.osgi.service.indexer.impl;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.zip.GZIPInputStream;
import org.junit.Ignore;
import org.osgi.service.indexer.Capability;
import org.osgi.service.indexer.Requirement;
@Ignore
public class Utils {
/** the platform specific EOL */
static private String eol = String.format("%n");
public static final String readStream(InputStream stream) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
try {
StringBuilder result = new StringBuilder();
String line;
while ((line = reader.readLine()) != null) {
if (result.length() > 0) {
result.append(eol);
}
result.append(line);
}
return result.toString();
} finally {
reader.close();
}
}
public static final String decompress(InputStream compressedStream) throws IOException {
GZIPInputStream decompressedStream = new GZIPInputStream(compressedStream);
return readStream(decompressedStream);
}
public static String decompress(String string) throws IOException {
return decompress(new ByteArrayInputStream(string.getBytes()));
}
public static String decompress(byte[] byteArray) throws IOException {
return decompress(new ByteArrayInputStream(byteArray));
}
public static List<Capability> findCaps(String namespace, Collection<Capability> caps) {
List<Capability> result = new ArrayList<Capability>();
for (Capability cap : caps) {
if (namespace.equals(cap.getNamespace()))
result.add(cap);
}
return result;
}
public static List<Requirement> findReqs(String namespace, Collection<Requirement> reqs) {
List<Requirement> result = new ArrayList<Requirement>();
for (Requirement req : reqs) {
if (namespace.equals(req.getNamespace()))
result.add(req);
}
return result;
}
}