blob: 4c5210333eebf9607d1049e5e029a67e9aca157d [file] [log] [blame]
package aQute.lib.osgi;
import java.io.*;
public abstract class AbstractResource implements Resource {
String extra;
byte[] calculated;
long lastModified;
protected AbstractResource(long modified) {
lastModified = modified;
}
public String getExtra() {
return extra;
}
public long lastModified() {
return lastModified;
}
public InputStream openInputStream() throws IOException {
return new ByteArrayInputStream(getLocalBytes());
}
private byte[] getLocalBytes() throws IOException {
try {
if (calculated != null)
return calculated;
return calculated = getBytes();
} catch (IOException e) {
throw e;
} catch (Exception e) {
IOException ee = new IOException("Opening resource");
ee.initCause(e);
throw ee;
}
}
public void setExtra(String extra) {
this.extra = extra;
}
public void write(OutputStream out) throws IOException {
out.write(getLocalBytes());
}
abstract protected byte[] getBytes() throws Exception;
public long size() throws IOException {
return getLocalBytes().length;
}
}