com.facebook.buck.testutil.FakeReadonlyProjectFilesystem.java Source code

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Here is the source code for com.facebook.buck.testutil.FakeReadonlyProjectFilesystem.java

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/*
 * Copyright 2014-present Facebook, Inc.
 *
 * 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.facebook.buck.testutil;

import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;

import java.nio.file.Path;

public class FakeReadonlyProjectFilesystem extends FakeProjectFilesystem {
    private final ImmutableMap<String, String> files;

    public FakeReadonlyProjectFilesystem(ImmutableMap<String, String> files) {
        this.files = files;
    }

    @Override
    public boolean exists(Path path) {
        return files.containsKey(path.normalize().toString());
    }

    @Override
    public Optional<String> readFileIfItExists(Path path) {
        String content = files.get(path.normalize().toString());
        return Optional.fromNullable(content);
    }
}