| 1 | /*
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| 2 | * Copyright 2002,2004-2005 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.util.facade;
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| 19 |
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| 20 | import org.apache.tools.ant.types.Commandline;
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| 21 |
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| 22 | /**
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| 23 | * Extension of Commandline.Argument with a new attribute that choses
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| 24 | * a specific implementation of the facade.
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| 25 | *
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| 26 | *
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| 27 | * @since Ant 1.5
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| 28 | */
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| 29 | public class ImplementationSpecificArgument extends Commandline.Argument {
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| 30 | private String impl;
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| 31 |
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| 32 | /** Constructor for ImplementationSpecificArgument. */
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| 33 | public ImplementationSpecificArgument() {
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| 34 | super();
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| 35 | }
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| 36 |
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| 37 | /**
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| 38 | * Set the implementation this argument is for.
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| 39 | * @param impl the implementation this command line argument is for.
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| 40 | */
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| 41 | public void setImplementation(String impl) {
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| 42 | this.impl = impl;
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| 43 | }
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| 44 |
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| 45 | /**
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| 46 | * Return the parts this Argument consists of, if the
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| 47 | * implementation matches the chosen implementation.
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| 48 | * @see Commandline.Argument#getParts()
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| 49 | * @param chosenImpl the implementation to check against.
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| 50 | * @return the parts if the implemention matches or an zero length
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| 51 | * array if not.
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| 52 | */
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| 53 | public final String[] getParts(String chosenImpl) {
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| 54 | if (impl == null || impl.equals(chosenImpl)) {
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| 55 | return super.getParts();
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| 56 | } else {
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| 57 | return new String[0];
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| 58 | }
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| 59 | }
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| 60 | }
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