WarpPI/teavm/src/main/java/ar/com/hjg/pngj/PngHelperInternal2.java

34 lines
888 B
Java
Raw Normal View History

package ar.com.hjg.pngj;
import java.io.File;
import java.io.OutputStream;
/**
* For organization purposes, this class is the onlt that uses classes not in GAE (Google App Engine) white list
* <p>
* You should not use this class in GAE
*/
final class PngHelperInternal2 {
/**
* WARNING: this uses FileOutputStream which is not allowed in GoogleAppEngine
*
* In GAE, dont use this
*
* @param f
* @param allowoverwrite
* @return
*/
static OutputStream ostreamFromFile(File f, boolean allowoverwrite) {
java.io.FileOutputStream os = null; // this will fail in GAE!
if (f.exists() && !allowoverwrite)
throw new PngjOutputException("File already exists: " + f);
try {
os = new java.io.FileOutputStream(f);
} catch (Exception e) {
throw new PngjInputException("Could not open for write" + f, e);
}
return os;
}
}