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/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed 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.taskdefs.optional.dotnet;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.Project;
/**
* definitions can be conditional. What .NET conditions can not be
* is in any state other than defined and undefined; you cannot give
* a definition a value.
*/
public class DotnetDefine {
private String name;
private String ifCond;
private String unlessCond;
/**
* the name of a property which must be defined for
* the definition to be set. Optional.
* @param condition the name of the property
*/
public void setIf(String condition) {
this.ifCond = condition;
}
/**
* the name of a property which must be undefined for
* the definition to be set. Optional.
* @param condition the name of the property
*/
public void setUnless(String condition) {
this.unlessCond = condition;
}
public String getName() {
return name;
}
/**
* the name of the definition. Required.
* @param name
*/
public void setName(String name) {
this.name = name;
}
/**
* This method gets the value of this definition. Will be null if a condition
* was declared and not met
* @param owner owning task
* @return The value of the definition.
* @throws BuildException
*/
public String getValue(Task owner) throws BuildException {
if (name == null) {
throw new BuildException("No name provided for the define element",
owner.getLocation());
}
if (!isSet(owner)) {
return null;
}
return name;
}
/**
* logic taken from patternset
* @param owner
* @return true if the condition is valid
*/
public boolean isSet(Task owner) {
Project p = owner.getProject();
if (ifCond != null && p.getProperty(ifCond) == null) {
return false;
} else if (unlessCond != null && p.getProperty(unlessCond) != null) {
return false;
}
return true;
}
}
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