Ant example source code file (LocationResolver.java)

This example Ant source code file (LocationResolver.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, extension, extension, extensionresolver, file, io, location, location, locationresolver, no, project, string, string

The LocationResolver.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.extension.resolvers;

import java.io.File;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.optional.extension.Extension;
import org.apache.tools.ant.taskdefs.optional.extension.ExtensionResolver;

/**
 * Resolver that just returns s specified location.
 *
 */
public class LocationResolver implements ExtensionResolver {
    private String location;

    /**
     * Sets the location for this resolver
     * @param location the location
     */
    public void setLocation(final String location) {
        this.location = location;
    }

    /**
     * Returns the resolved file
     * @param extension the extension
     * @param project the project
     * @return the file resolved
     * @throws BuildException if no location is set
     */
    public File resolve(final Extension extension,
                        final Project project) throws BuildException {
        if (null == location) {
            final String message = "No location specified for resolver";
            throw new BuildException(message);
        }

        return project.resolveFile(location);
    }
    /**
     * Returns a string representation of the Location
     * @return the string representation
     */
    public String toString() {
        return "Location[" + location + "]";
    }
}