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Ant example source code file (DotnetDefine.java)

This example Ant source code file (DotnetDefine.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Ant tags/keywords

buildexception, buildexception, dotnetdefine, dotnetdefine, no, project, project, string, string

The DotnetDefine.java source code

/*
 *  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.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;
    }

    /**
     * Get the name of the definition.
     * @return the name.
     */
    public String getName() {
        return name;
    }

    /**
     * the name of the definition. Required.
     * @param name the name value.
     */
    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 if there is an error.
     */
    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 the owning task.
     * @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;
    }
}

Other Ant examples (source code examples)

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