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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2009, Red Hat Middleware LLC, and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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.jboss.shrinkwrap.api;

/**
 * Represents a target context within an {@link Archive} under which an {@link Node} may be found. All
 * {@link ArchivePath} contexts are absolute (ie. prepended with the '/' character). {@link ArchivePath}s may have
 * parent contexts, unless the path is at the root.
 *
 * @author ALR
 */
public interface ArchivePath extends Comparable {

    /**
     * Separator character
     */
    char SEPARATOR = '/';

    /**
     * Separator character as a {@link String}
     */
    String SEPARATOR_STRING = new Character(SEPARATOR).toString();

    /**
     * Obtains the context which this {@link ArchivePath} represents
     *
     * @return
     */
    String get();

    /**
     * Obtains the parent of this Path, if exists, else null. For instance if the Path is "/my/path", the parent will be
     * "/my". Each call will result in a new object reference, though subsequent calls upon the same Path will be equal
     * by value.
     *
     * @return
     */
    ArchivePath getParent();
}