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Panda Core is the core module of Panda Framework, it contains commonly used utility classes similar to apache-commons.
package panda.image;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import panda.lang.Classes;
import panda.lang.Systems;
/**
*/
public abstract class Images {
private static Images i = initInstance();
private static Images initInstance() {
if (Systems.IS_OS_ANDROID) {
return (Images)Classes.born("panda.roid.image.AndroidImages");
}
if (Systems.IS_OS_APPENGINE) {
return (Images)Classes.born("panda.gae.image.GaeImages");
}
return new JavaImages();
}
/**
* @return the instance
*/
public static Images i() {
return i;
}
/**
* @return the instance
*/
public static Images getInstance() {
return i;
}
/**
* @param instance the instance to set
*/
public static void setInstance(Images instance) {
Images.i = instance;
}
/**
* @param file image file
* @return image wrapper
* @throws FileNotFoundException if file not found
* @throws IOException if read error
*/
public abstract ImageWrapper read(File file) throws IOException;
/**
* @param data image data
* @return image wrapper
* @throws IOException if the data is not a image
*/
public ImageWrapper read(byte[] data) throws IOException {
return read(new ByteArrayInputStream(data));
}
/**
* @param is image input stream
* @return image wrapper
* @throws RuntimeException if the data is not a image
* @throws IOException if read error
*/
public abstract ImageWrapper read(InputStream is) throws IOException;
}