NullResourceEncoder.java revision b5419dc08eb0a0f82821d774435720e5a31bc936 
1package com.bumptech.glide.load.resource;
2
3import com.bumptech.glide.load.ResourceEncoder;
4import com.bumptech.glide.load.engine.Resource;
5
6import java.io.OutputStream;
7
8/**
9 * A simple {@link com.bumptech.glide.load.ResourceEncoder} that never writes data.
10 *
11 * @param <T> The type of the resource that will always fail to be encoded.
12 */
13public class NullResourceEncoder<T> implements ResourceEncoder<T> {
14    private static final NullResourceEncoder NULL_ENCODER = new NullResourceEncoder();
15
16    /**
17     * Returns a NullResourceEncoder for the given type.
18     *
19     * @param <T> The type of data to be written (or in this case not written).
20     */
21    @SuppressWarnings("unchecked")
22    public static <T> NullResourceEncoder<T> get() {
23        return NULL_ENCODER;
24    }
25
26    @Override
27    public boolean encode(Resource<T> data, OutputStream os) {
28        return false;
29    }
30
31    @Override
32    public String getId() {
33        return "";
34    }
35}
36