package com.smartandroid.sa.zip.transform;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import com.smartandroid.sa.zip.ByteSource;
import com.smartandroid.sa.zip.commons.IOUtils;
public abstract class StringZipEntryTransformer implements ZipEntryTransformer {
/**
* The encoding to use, null means platform default.
*/
private final String encoding;
public StringZipEntryTransformer() {
this(null);
}
public StringZipEntryTransformer(String encoding) {
this.encoding = encoding;
}
/**
* Transforms the given String into a new one.
*/
protected abstract String transform(ZipEntry zipEntry, String input)
throws IOException;
public void transform(InputStream in, ZipEntry zipEntry, ZipOutputStream out)
throws IOException {
String data = IOUtils.toString(in, encoding);
data = transform(zipEntry, data);
byte[] bytes = encoding == null ? data.getBytes() : data
.getBytes(encoding);
ByteSource source = new ByteSource(zipEntry.getName(), bytes);
ZipEntrySourceZipEntryTransformer.addEntry(source, out);
}
}