oracle.toplink.essentials.internal.weaving.StaticWeaveDirectoryOutputHandler Maven / Gradle / Ivy
package oracle.toplink.essentials.internal.weaving;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.jar.JarEntry;
/**
* The class provides a set of methods to pack passed-in entries into the sepcified archive file.
* the class handle directory output.
*/
public class StaticWeaveDirectoryOutputHandler extends AbstractStaticWeaveOutputHandler{
private URL source=null;
private URL target=null;
/**
* Construct an instance of StaticWeaveDirectoryOutputHandler.
* @param source
* @param target
*/
public StaticWeaveDirectoryOutputHandler(URL source,URL target){
this.source=source;
this.target=target;
}
/**
* create directory into target directory.
* @param dirPath
* @throws IOException
*/
public void addDirEntry(String dirPath)throws IOException {
File file = new File(this.target.getPath()+File.separator+dirPath).getAbsoluteFile();
if (!file.exists()){
file.mkdirs();
}
}
/**
* Write entry bytes into target, this method is usually invoked if class has been tranformed
* @param targetEntry
* @param entryBytes
* @throws IOException
*/
public void addEntry(JarEntry targetEntry,byte[] entryBytes)throws IOException{
File target = new File(this.target.getPath()+targetEntry.getName()).getAbsoluteFile();
if(!target.exists()) {
target.createNewFile();
}
(new FileOutputStream(target)).write(entryBytes);
}
/**
* Write entry into target, this method usually copy original class into target.
* @param jis
* @param entry
* @throws IOException
*/
public void addEntry(InputStream jis,JarEntry entry) throws IOException,URISyntaxException {
File target = new File(this.target.getPath()+entry.getName()).getAbsoluteFile();
if(!target.exists()) {
target.createNewFile();
}
if((new File(this.source.toURI())).isDirectory()){
File sourceEntry = new File(this.source.getPath()+entry.getName());
FileInputStream fis = new FileInputStream(sourceEntry);
byte[] classBytes = new byte[fis.available()];
fis.read(classBytes);
(new FileOutputStream(target)).write(classBytes);
}else{
readwriteStreams(jis,(new FileOutputStream(target)));
}
}
}