| 1 | /*
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| 2 | * Copyright 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 |
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| 18 | package org.apache.tools.ant.types.selectors;
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| 19 |
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| 20 | import java.io.File;
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| 21 | import java.util.Enumeration;
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| 22 |
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| 23 | /**
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| 24 | * This selector has a collection of other selectors, any of which have to
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| 25 | * select a file in order for this selector to select it.
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| 26 | *
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| 27 | * @since 1.5
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| 28 | */
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| 29 | public class OrSelector extends BaseSelectorContainer {
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| 30 |
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| 31 | /**
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| 32 | * Default constructor.
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| 33 | */
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| 34 | public OrSelector() {
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| 35 | }
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| 36 |
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| 37 | /**
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| 38 | * @return a string representation of the selector
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| 39 | */
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| 40 | public String toString() {
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| 41 | StringBuffer buf = new StringBuffer();
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| 42 | if (hasSelectors()) {
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| 43 | buf.append("{orselect: ");
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| 44 | buf.append(super.toString());
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| 45 | buf.append("}");
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| 46 | }
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| 47 | return buf.toString();
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| 48 | }
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| 49 |
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| 50 | /**
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| 51 | * Returns true (the file is selected) if any of the other selectors
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| 52 | * agree that the file should be selected.
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| 53 | *
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| 54 | * @param basedir the base directory the scan is being done from
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| 55 | * @param filename the name of the file to check
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| 56 | * @param file a java.io.File object for the filename that the selector
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| 57 | * can use
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| 58 | * @return whether the file should be selected or not
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| 59 | */
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| 60 | public boolean isSelected(File basedir, String filename, File file) {
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| 61 | validate();
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| 62 | Enumeration e = selectorElements();
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| 63 | boolean result;
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| 64 |
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| 65 | // First, check that all elements are correctly configured
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| 66 | while (e.hasMoreElements()) {
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| 67 | result = ((FileSelector) e.nextElement()).isSelected(basedir,
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| 68 | filename, file);
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| 69 | if (result) {
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| 70 | return true;
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| 71 | }
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| 72 | }
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| 73 | return false;
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| 74 | }
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| 75 |
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| 76 | }
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| 77 |
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