| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.tools.ant.attribute; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.tools.ant.ProjectComponent; |
| import org.apache.tools.ant.RuntimeConfigurable; |
| import org.apache.tools.ant.UnknownElement; |
| |
| |
| /** |
| * An abstract class for if/unless attributes. |
| * This contains a boolean flag to specify whether this is an |
| * if or unless attribute. |
| * @since Ant 1.9.1 |
| */ |
| public abstract class BaseIfAttribute |
| extends ProjectComponent implements EnableAttribute { |
| private boolean positive = true; |
| /** |
| * Set the positive flag. |
| * @param positive the value to use. |
| */ |
| protected void setPositive(boolean positive) { |
| this.positive = positive; |
| } |
| |
| /** |
| * Get the positive flag. |
| * @return the flag. |
| */ |
| protected boolean isPositive() { |
| return positive; |
| } |
| |
| /** |
| * convert the result. |
| * @param val the result to convert |
| * @return val if positive or !val if not. |
| */ |
| protected boolean convertResult(boolean val) { |
| return positive ? val : !val; |
| } |
| |
| /** |
| * Get all the attributes in the ant-attribute:param |
| * namespace and place them in a map. |
| * @param el the element this attribute is in. |
| * @return a map of attributes. |
| */ |
| protected Map getParams(UnknownElement el) { |
| Map ret = new HashMap(); |
| RuntimeConfigurable rc = el.getWrapper(); |
| Map<String, Object> attributes = rc.getAttributeMap(); // This does a copy! |
| for (Map.Entry<String, Object> entry : attributes.entrySet()) { |
| String key = entry.getKey(); |
| String value = (String) entry.getValue(); |
| if (key.startsWith("ant-attribute:param")) { |
| int pos = key.lastIndexOf(':'); |
| ret.put(key.substring(pos + 1), |
| el.getProject().replaceProperties(value)); |
| } |
| } |
| return ret; |
| } |
| } |