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.types;
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18 |
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19 | // java io classes
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20 |
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21 |
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22 |
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23 |
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24 | // java util classes
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25 | import java.util.Enumeration;
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26 | import java.util.Vector;
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27 |
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28 | // ant classes
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29 |
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30 |
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31 |
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32 |
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33 | /**
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34 | * A FilterSetCollection is a collection of filtersets each of which may have
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35 | * a different start/end token settings.
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36 | *
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37 | */
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38 | public class FilterSetCollection {
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39 |
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40 | private Vector filterSets = new Vector();
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41 |
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42 | public FilterSetCollection() {
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43 | }
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44 |
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45 | public FilterSetCollection(FilterSet filterSet) {
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46 | addFilterSet(filterSet);
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47 | }
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48 |
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49 |
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50 | public void addFilterSet(FilterSet filterSet) {
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51 | filterSets.addElement(filterSet);
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52 | }
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53 |
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54 | /**
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55 | * Does replacement on the given string with token matching.
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56 | * This uses the defined begintoken and endtoken values which default to @ for both.
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57 | *
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58 | * @param line The line to process the tokens in.
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59 | * @return The string with the tokens replaced.
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60 | */
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61 | public String replaceTokens(String line) {
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62 | String replacedLine = line;
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63 | for (Enumeration e = filterSets.elements(); e.hasMoreElements();) {
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64 | FilterSet filterSet = (FilterSet) e.nextElement();
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65 | replacedLine = filterSet.replaceTokens(replacedLine);
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66 | }
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67 | return replacedLine;
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68 | }
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69 |
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70 | /**
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71 | * Test to see if this filter set it empty.
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72 | *
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73 | * @return Return true if there are filter in this set otherwise false.
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74 | */
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75 | public boolean hasFilters() {
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76 | for (Enumeration e = filterSets.elements(); e.hasMoreElements();) {
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77 | FilterSet filterSet = (FilterSet) e.nextElement();
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78 | if (filterSet.hasFilters()) {
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79 | return true;
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80 | }
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81 | }
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82 | return false;
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83 | }
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84 | }
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85 |
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86 |
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87 |
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