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package com.bumptech.glide.load.model.stream;
import android.content.Context;
import com.bumptech.glide.load.data.DataFetcher;
import com.bumptech.glide.load.data.HttpUrlFetcher;
import com.bumptech.glide.load.model.GenericLoaderFactory;
import com.bumptech.glide.load.model.GlideUrl;
import com.bumptech.glide.load.model.ModelCache;
import com.bumptech.glide.load.model.ModelLoader;
import com.bumptech.glide.load.model.ModelLoaderFactory;
import java.io.InputStream;
/**
* An {@link com.bumptech.glide.load.model.ModelLoader} for translating {@link com.bumptech.glide.load.model.GlideUrl}
* (http/https URLS) into {@link java.io.InputStream} data.
*/
public class HttpUrlGlideUrlLoader implements ModelLoader<GlideUrl, InputStream> {
private final ModelCache<GlideUrl, GlideUrl> modelCache;
/**
* The default factory for {@link com.bumptech.glide.load.model.stream.HttpUrlGlideUrlLoader}s.
*/
public static class Factory implements ModelLoaderFactory<GlideUrl, InputStream> {
private final ModelCache<GlideUrl, GlideUrl> modelCache = new ModelCache<GlideUrl, GlideUrl>(500);
@Override
public ModelLoader<GlideUrl, InputStream> build(Context context, GenericLoaderFactory factories) {
return new HttpUrlGlideUrlLoader(modelCache);
}
@Override
public void teardown() {
// Do nothing.
}
}
public HttpUrlGlideUrlLoader() {
this(null);
}
public HttpUrlGlideUrlLoader(ModelCache<GlideUrl, GlideUrl> modelCache) {
this.modelCache = modelCache;
}
@Override
public DataFetcher<InputStream> getResourceFetcher(GlideUrl model, int width, int height) {
// GlideUrls memoize parsed URLs so caching them saves a few object instantiations and time spent parsing urls.
GlideUrl url = model;
if (modelCache != null) {
url = modelCache.get(model, 0, 0);
if (url == null) {
modelCache.put(model, 0, 0, model);
url = model;
}
}
return new HttpUrlFetcher(url);
}
}
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