1 | /*
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2 | * Copyright 2003-2004 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 |
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18 | package org.apache.tools.ant.taskdefs;
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19 |
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20 | import org.apache.tools.ant.Task;
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21 | import org.apache.tools.ant.Project;
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22 | import org.apache.tools.ant.BuildException;
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23 | import org.apache.tools.ant.DirectoryScanner;
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24 |
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25 | /**
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26 | * Alters the default excludes for the <strong>entire</strong> build..
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27 | *
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28 | *
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29 | * @since Ant 1.6
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30 | *
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31 | * @ant.task category="utility"
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32 | */
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33 | public class DefaultExcludes extends Task {
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34 | private String add = "";
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35 | private String remove = "";
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36 | private boolean defaultrequested = false;
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37 | private boolean echo = false;
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38 |
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39 | // by default, messages are always displayed
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40 | private int logLevel = Project.MSG_WARN;
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41 |
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42 | /**
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43 | * Does the work.
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44 | *
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45 | * @exception BuildException if something goes wrong with the build
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46 | */
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47 | public void execute() throws BuildException {
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48 | if (!defaultrequested && add.equals("") && remove.equals("") && !echo) {
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49 | throw new BuildException("<defaultexcludes> task must set "
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50 | + "at least one attribute (echo=\"false\""
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51 | + " doesn't count since that is the default");
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52 | }
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53 | if (defaultrequested) {
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54 | DirectoryScanner.resetDefaultExcludes();
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55 | }
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56 | if (!add.equals("")) {
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57 | DirectoryScanner.addDefaultExclude(add);
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58 | }
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59 | if (!remove.equals("")) {
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60 | DirectoryScanner.removeDefaultExclude(remove);
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61 | }
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62 | if (echo) {
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63 | StringBuffer message
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64 | = new StringBuffer("Current Default Excludes:\n");
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65 | String[] excludes = DirectoryScanner.getDefaultExcludes();
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66 | for (int i = 0; i < excludes.length; i++) {
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67 | message.append(" " + excludes[i] + "\n");
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68 | }
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69 | log(message.toString(), logLevel);
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70 | }
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71 | }
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72 |
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73 | /**
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74 | * go back to standard default patterns
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75 | *
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76 | * @param def if true go back to default patterns
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77 | */
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78 | public void setDefault(boolean def) {
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79 | defaultrequested = def;
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80 | }
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81 | /**
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82 | * Pattern to add to the default excludes
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83 | *
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84 | * @param add Sets the value for the pattern to exclude.
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85 | */
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86 | public void setAdd(String add) {
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87 | this.add = add;
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88 | }
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89 |
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90 | /**
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91 | * Pattern to remove from the default excludes.
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92 | *
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93 | * @param remove Sets the value for the pattern that
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94 | * should no longer be excluded.
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95 | */
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96 | public void setRemove(String remove) {
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97 | this.remove = remove;
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98 | }
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99 |
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100 | /**
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101 | * If true, echo the default excludes.
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102 | *
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103 | * @param echo whether or not to echo the contents of
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104 | * the default excludes.
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105 | */
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106 | public void setEcho(boolean echo) {
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107 | this.echo = echo;
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108 | }
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109 |
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110 |
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111 | }
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