Storage.java

/*
 * Copyright (C) 2014 Divide.io
 *
 * 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 io.divide.shared.file;

import java.util.Map;
import java.util.Set;

public interface Storage {

    public static final int MODE_PRIVATE = 0x0000;
    public static final int MODE_WORLD_READABLE = 0x0001;
    public static final int MODE_WORLD_WRITEABLE = 0x0002;
    public static final int MODE_APPEND = 0x8000;

    public interface Editor {

        Editor putString(String key, String value);

        Editor putStringSet(String key, Set<String> values);

        Editor putInt(String key, int value);

        Editor putLong(String key, long value);

        Editor putFloat(String key, float value);

        Editor putBoolean(String key, boolean value);

        Editor remove(String key);

        Editor clear();

        boolean commit();

        void apply();
    }

    Map<String, ?> getAll();

    String getString(String key, String defValue);

    Set<String> getStringSet(String key, Set<String> defValues);

    int getInt(String key, int defValue);

    long getLong(String key, long defValue);

    float getFloat(String key, float defValue);

    boolean getBoolean(String key, boolean defValue);

    boolean contains(String key);

    Editor edit();
}