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/*
* Copyright 2022 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.libraries.mobiledatadownload.file.backends;
import android.net.Uri;
import com.google.android.libraries.mobiledatadownload.file.common.internal.LiteTransformFragments;
import com.google.android.libraries.mobiledatadownload.file.transforms.TransformProtos;
import com.google.common.collect.ImmutableList;
import com.google.mobiledatadownload.TransformProto;
import java.io.File;
/** Helper class for "file:" Uris. TODO(b/62106564) Rename to "localfile". */
public final class FileUri {
static final String SCHEME_NAME = "file";
/** Creates a file: scheme URI builder. */
public static Builder builder() {
return new Builder();
}
/** Builds a URI from a File. */
public static Uri fromFile(File file) {
return builder().fromFile(file).build();
}
private FileUri() {}
/** A builder for file: scheme URIs. */
public static class Builder {
private Uri.Builder uri = new Uri.Builder().scheme("file").authority("").path("/");
private final ImmutableList.Builder<String> encodedSpecs = ImmutableList.builder();
private Builder() {}
public Builder setPath(String path) {
uri.path(path);
return this;
}
public Builder fromFile(File file) {
uri.path(file.getAbsolutePath());
return this;
}
public Builder appendPath(String segment) {
uri.appendPath(segment);
return this;
}
public Builder withTransform(TransformProto.Transform spec) {
encodedSpecs.add(TransformProtos.toEncodedSpec(spec));
return this;
}
public Uri build() {
String fragment = LiteTransformFragments.joinTransformSpecs(encodedSpecs.build());
return uri.encodedFragment(fragment).build();
}
}
}
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