1 | /*
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2 | * Copyright 2001-2002,2004 The Apache Software Foundation
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3 | *
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | *
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16 | */
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17 | package org.apache.tools.ant.taskdefs.optional.ide;
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18 |
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19 | import com.ibm.ivj.util.base.IvjException;
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20 | import com.ibm.ivj.util.base.Package;
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21 | import com.ibm.ivj.util.base.Project;
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22 | import java.io.File;
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23 | import java.util.Enumeration;
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24 | import java.util.StringTokenizer;
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25 | import java.util.Vector;
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26 | import org.apache.tools.ant.DirectoryScanner;
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27 |
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28 | /**
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29 | * Class for scanning a Visual Age for Java workspace for packages matching
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30 | * a certain criteria.
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31 | * <p>
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32 | * These criteria consist of a set of include and exclude patterns. With these
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33 | * patterns, you can select which packages you want to have included, and which
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34 | * packages you want to have excluded. You can add patterns to be excluded by
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35 | * default with the addDefaultExcludes method. The patters that are excluded
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36 | * by default include
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37 | * <ul>
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38 | * <li>IBM*\**</li>
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39 | * <li>Java class libraries\**</li>
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40 | * <li>Sun class libraries*\**</li>
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41 | * <li>JSP Page Compile Generated Code\**</li>
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42 | * <li>VisualAge*\**</li>
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43 | * </ul>
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44 | * <p>
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45 | * This class works like DirectoryScanner.
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46 | *
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47 | * @see org.apache.tools.ant.DirectoryScanner
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48 | *
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49 | */
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50 | class VAJWorkspaceScanner extends DirectoryScanner {
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51 |
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52 | // Patterns that should be excluded by default.
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53 | private static final String[] DEFAULTEXCLUDES = {
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54 | "IBM*/**",
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55 | "Java class libraries/**",
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56 | "Sun class libraries*/**",
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57 | "JSP Page Compile Generated Code/**",
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58 | "VisualAge*/**",
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59 | };
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60 |
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61 | // The packages that where found and matched at least
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62 | // one includes, and matched no excludes.
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63 | private Vector packagesIncluded = new Vector();
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64 |
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65 | /**
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66 | * Adds the array with default exclusions to the current exclusions set.
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67 | */
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68 | public void addDefaultExcludes() {
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69 | int excludesLength = excludes == null ? 0 : excludes.length;
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70 | String[] newExcludes;
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71 | newExcludes = new String[excludesLength + DEFAULTEXCLUDES.length];
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72 | if (excludesLength > 0) {
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73 | System.arraycopy(excludes, 0, newExcludes, 0, excludesLength);
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74 | }
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75 | for (int i = 0; i < DEFAULTEXCLUDES.length; i++) {
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76 | newExcludes[i + excludesLength] = DEFAULTEXCLUDES[i].
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77 | replace('/', File.separatorChar).
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78 | replace('\\', File.separatorChar);
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79 | }
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80 | excludes = newExcludes;
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81 | }
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82 |
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83 | /**
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84 | * Finds all Projects specified in include patterns.
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85 | *
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86 | * @return the projects
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87 | */
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88 | public Vector findMatchingProjects() {
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89 | Project[] projects = VAJLocalUtil.getWorkspace().getProjects();
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90 |
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91 | Vector matchingProjects = new Vector();
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92 |
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93 | boolean allProjectsMatch = false;
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94 | for (int i = 0; i < projects.length; i++) {
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95 | Project project = projects[i];
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96 | for (int j = 0; j < includes.length && !allProjectsMatch; j++) {
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97 | StringTokenizer tok =
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98 | new StringTokenizer(includes[j], File.separator);
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99 | String projectNamePattern = tok.nextToken();
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100 | if (projectNamePattern.equals("**")) {
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101 | // if an include pattern starts with '**',
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102 | // all projects match
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103 | allProjectsMatch = true;
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104 | } else
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105 | if (match(projectNamePattern, project.getName())) {
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106 | matchingProjects.addElement(project);
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107 | break;
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108 | }
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109 | }
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110 | }
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111 |
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112 | if (allProjectsMatch) {
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113 | matchingProjects = new Vector();
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114 | for (int i = 0; i < projects.length; i++) {
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115 | matchingProjects.addElement(projects[i]);
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116 | }
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117 | }
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118 |
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119 | return matchingProjects;
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120 | }
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121 |
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122 | /**
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123 | * Get the names of the packages that matched at least one of the include
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124 | * patterns, and didn't match one of the exclude patterns.
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125 | *
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126 | * @return the matching packages
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127 | */
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128 | public Package[] getIncludedPackages() {
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129 | int count = packagesIncluded.size();
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130 | Package[] packages = new Package[count];
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131 | for (int i = 0; i < count; i++) {
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132 | packages[i] = (Package) packagesIncluded.elementAt(i);
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133 | }
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134 | return packages;
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135 | }
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136 |
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137 | /**
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138 | * Scans the workspace for packages that match at least one include
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139 | * pattern, and don't match any exclude patterns.
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140 | *
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141 | */
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142 | public void scan() {
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143 | if (includes == null) {
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144 | // No includes supplied, so set it to 'matches all'
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145 | includes = new String[1];
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146 | includes[0] = "**";
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147 | }
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148 | if (excludes == null) {
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149 | excludes = new String[0];
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150 | }
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151 |
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152 | // only scan projects which are included in at least one include pattern
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153 | Vector matchingProjects = findMatchingProjects();
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154 | for (Enumeration e = matchingProjects.elements(); e.hasMoreElements();) {
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155 | Project project = (Project) e.nextElement();
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156 | scanProject(project);
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157 | }
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158 | }
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159 |
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160 | /**
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161 | * Scans a project for packages that match at least one include
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162 | * pattern, and don't match any exclude patterns.
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163 | *
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164 | */
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165 | public void scanProject(Project project) {
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166 | try {
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167 | Package[] packages = project.getPackages();
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168 | if (packages != null) {
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169 | for (int i = 0; i < packages.length; i++) {
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170 | Package item = packages[i];
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171 | // replace '.' by file seperator because the patterns are
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172 | // using file seperator syntax (and we can use the match
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173 | // methods this way).
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174 | String name =
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175 | project.getName()
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176 | + File.separator
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177 | + item.getName().replace('.', File.separatorChar);
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178 | if (isIncluded(name) && !isExcluded(name)) {
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179 | packagesIncluded.addElement(item);
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180 | }
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181 | }
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182 | }
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183 | } catch (IvjException e) {
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184 | throw VAJLocalUtil.createBuildException("VA Exception occurred: ", e);
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185 | }
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186 | }
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187 | }
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