org.apache.tools.ant.attribute.BaseIfAttribute Maven / Gradle / Ivy
/*
* 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.Iterator;
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 attributes = rc.getAttributeMap(); // This does a copy!
for (Iterator i = attributes.entrySet().iterator(); i.hasNext();) {
Map.Entry entry = (Map.Entry) i.next();
String key = (String) 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;
}
}