org.eclipse.jdt.core.IJarEntryResource.java Source code

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Here is the source code for org.eclipse.jdt.core.IJarEntryResource.java

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/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.core;

import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.IPath;

/**
 * A jar entry corresponding to a non-Java resource in an archive {@link IPackageFragment} or {@link IPackageFragmentRoot}.
 * <p>
 * One can navigate the non-Java resource tree using the {@link #getChildren()} and {@link #getParent()} methods.
 * Jar entry resources are either files ({@link #isFile()} returns true) or directories ({@link #isFile()} returns false).
 * Files don't have any children and the returned array is always empty.
 * </p><p>
 * Jar entry resources that refer to the same element are guaranteed to be equal, but not necessarily identical.
 * <p>
 *
 * @since 3.3
 */
public interface IJarEntryResource extends IStorage {

    /**
     * Returns the list of children of this jar entry resource.
     * Returns an empty array if this jar entry is a file, or if this jar entry is a directory and it has no children.
     *
     * @return the children of this jar entry resource
     */
    IJarEntryResource[] getChildren();

    /**
     * Returns the full, absolute path of this jar entry resource relative to the archive this jar
     * entry belongs to.
     * <p>
     * A jar entry resource's full path indicates the route from the root of the archive
     * to the jar entry resource.  Within an archive, there is exactly one such path
     * for any given jar entry resource. </p>
     * <p>
     * The returned path is absolute (i.e. it starts with a separator) and it never has a trailing separator.
     * </p>
     *
     * @return the absolute path of this jar entry resource
     */
    @Override
    IPath getFullPath();

    /**
     * Returns the parent of this jar entry resource. This is either an {@link IJarEntryResource}, an {@link IPackageFragment}
     * or an {@link IPackageFragmentRoot}.
     *
     * @return the parent of this jar entry resource
     */
    Object getParent();

    /**
     * Returns the package fragment root this jar entry resource belongs to.
     *
     * @return the package fragment root this jar entry resource belongs to.
     */
    IPackageFragmentRoot getPackageFragmentRoot();

    /**
     * Returns <code>true</code> if this jar entry represents a file.
     * Returns <code>false</code> if it is a directory.
     *
     * @return whether this jar entry is a file
     */
    boolean isFile();

}