001/*
002 * SonarQube
003 * Copyright (C) 2009-2017 SonarSource SA
004 * mailto:info AT sonarsource DOT com
005 *
006 * This program is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * This program is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public License
017 * along with this program; if not, write to the Free Software Foundation,
018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019 */
020package org.sonar.api.resources;
021
022import org.apache.commons.lang.ArrayUtils;
023import org.apache.commons.lang.StringUtils;
024
025/**
026 * Resource scopes are used to group some types of resources. For example Java methods, Flex methods, C functions
027 * and Cobol paragraphs are grouped in the scope "block unit".
028 * <br>
029 * Scopes are generally used in UI to display/hide some services or in web services.
030 * <br>
031 * Scopes are not extensible by plugins.
032 *
033 * @since 2.6
034 */
035public final class Scopes {
036
037  /**
038   * For example view, subview, project, module or library. Persisted in database.
039   */
040  public static final String PROJECT = "PRJ";
041
042  /**
043   * For example directory or Java package. Persisted in database. A more generic term for this scope could
044   * be "namespace"
045   */
046  public static final String DIRECTORY = "DIR";
047
048  /**
049   * For example a Java file. Persisted in database. A more generic term for this scope could
050   * be "compilation unit". It's the lowest scope in file system units.
051   */
052  public static final String FILE = "FIL";
053
054  /**
055   * Types like Java classes/interfaces. Not persisted in database.
056   * @deprecated since 4.3 resources under FILE level are no more be supported since 4.2.
057   */
058  @Deprecated
059  public static final String PROGRAM_UNIT = "PGU";
060
061  /**
062   * Block units like methods, functions or Cobol paragraphs.
063   * @deprecated since 4.3 resources under FILE level are no more be supported since 4.2.
064   */
065  @Deprecated
066  public static final String BLOCK_UNIT = "BLU";
067
068  public static final String[] SORTED_SCOPES = {PROJECT, DIRECTORY, FILE, PROGRAM_UNIT, BLOCK_UNIT};
069
070  private Scopes() {
071    // only static methods
072  }
073
074  public static boolean isProject(final Resource resource) {
075    return StringUtils.equals(PROJECT, resource.getScope());
076  }
077
078  public static boolean isDirectory(final Resource resource) {
079    return StringUtils.equals(DIRECTORY, resource.getScope());
080  }
081
082  /**
083   * This scope is sometimes called a "compilation unit".
084   */
085  public static boolean isFile(final Resource resource) {
086    return StringUtils.equals(FILE, resource.getScope());
087  }
088
089  /**
090   * A program unit can be a Java class.
091   * @deprecated since 4.3 resources under FILE level are no more be supported since 4.2.
092   */
093  @Deprecated
094  public static boolean isProgramUnit(final Resource resource) {
095    return StringUtils.equals(PROGRAM_UNIT, resource.getScope());
096  }
097
098  /**
099   * @deprecated since 4.3 resources under FILE level are no more be supported since 4.2.
100   */
101  @Deprecated
102  public static boolean isBlockUnit(final Resource resource) {
103    return StringUtils.equals(BLOCK_UNIT, resource.getScope());
104  }
105
106  public static boolean isHigherThan(final Resource resource, final String than) {
107    return isHigherThan(resource.getScope(), than);
108  }
109
110  public static boolean isHigherThan(final String scope, final String than) {
111    int index = ArrayUtils.indexOf(SORTED_SCOPES, scope);
112    int thanIndex = ArrayUtils.indexOf(SORTED_SCOPES, than);
113    return index < thanIndex;
114  }
115
116  public static boolean isHigherThanOrEquals(final Resource resource, final String than) {
117    return isHigherThanOrEquals(resource.getScope(), than);
118  }
119
120  public static boolean isHigherThanOrEquals(final String scope, final String than) {
121    int index = ArrayUtils.indexOf(SORTED_SCOPES, scope);
122    int thanIndex = ArrayUtils.indexOf(SORTED_SCOPES, than);
123    return index <= thanIndex;
124  }
125}