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Uberfire NIO.2 :: Model

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/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.uberfire.java.nio.base;

import java.util.HashMap;
import java.util.Map;

import static org.uberfire.java.nio.base.AbstractBasicFileAttributeView.CREATION_TIME;
import static org.uberfire.java.nio.base.AbstractBasicFileAttributeView.FILE_KEY;
import static org.uberfire.java.nio.base.AbstractBasicFileAttributeView.IS_DIRECTORY;
import static org.uberfire.java.nio.base.AbstractBasicFileAttributeView.IS_OTHER;
import static org.uberfire.java.nio.base.AbstractBasicFileAttributeView.IS_REGULAR_FILE;
import static org.uberfire.java.nio.base.AbstractBasicFileAttributeView.IS_SYMBOLIC_LINK;
import static org.uberfire.java.nio.base.AbstractBasicFileAttributeView.LAST_ACCESS_TIME;
import static org.uberfire.java.nio.base.AbstractBasicFileAttributeView.LAST_MODIFIED_TIME;
import static org.uberfire.java.nio.base.AbstractBasicFileAttributeView.SIZE;

public class BasicFileAttributesUtil {

    public static Map cleanup(final Map _attrs) {
        final Map attrs = new HashMap(_attrs);

        for (final String key : _attrs.keySet()) {
            if (key.startsWith(IS_REGULAR_FILE) || key.startsWith(IS_DIRECTORY) ||
                    key.startsWith(IS_SYMBOLIC_LINK) || key.startsWith(SIZE) ||
                    key.startsWith(FILE_KEY) || key.startsWith(IS_OTHER) ||
                    key.startsWith(LAST_MODIFIED_TIME) || key.startsWith(LAST_ACCESS_TIME) ||
                    key.startsWith(CREATION_TIME)) {
                attrs.put(key,
                          null);
            }
        }

        return attrs;
    }
}