| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.ant.antlib.system; |
| import java.io.File; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| import org.apache.ant.common.antlib.AbstractTask; |
| import org.apache.ant.common.antlib.AntContext; |
| import org.apache.ant.common.service.ComponentService; |
| import org.apache.ant.common.util.ExecutionException; |
| import org.apache.ant.init.InitUtils; |
| |
| /** |
| * Task to add an additional classpath to the given library |
| * |
| * @author <a href="mailto:conor@apache.org">Conor MacNeill</a> |
| * @created 27 January 2002 |
| */ |
| public class LibPath extends AbstractTask { |
| /** The id of the library for which this additional path is being set */ |
| private String libraryId; |
| /** |
| * This is the location, either file or URL of the library or libraries |
| * to be loaded |
| */ |
| private URL url; |
| |
| /** |
| * Sets the libraryId of the LibPath |
| * |
| * @param libraryId the new libraryId value |
| */ |
| public void setLibraryId(String libraryId) { |
| this.libraryId = libraryId; |
| } |
| |
| /** |
| * Sets the URL of the library to be loaded |
| * |
| * @param url the URL from which the library is to be loaded |
| * @exception ExecutionException if the URL cannot be set |
| */ |
| public void setURL(URL url) throws ExecutionException { |
| checkNullURL(); |
| this.url = url; |
| } |
| |
| /** |
| * Set the file from which the library should be loaded. |
| * |
| * @param file the file from which the library should be loaded |
| * @exception ExecutionException if the file attribute cannot be set |
| */ |
| public void setFile(File file) throws ExecutionException { |
| checkNullURL(); |
| try { |
| this.url = InitUtils.getFileURL(file); |
| } catch (MalformedURLException e) { |
| throw new ExecutionException(e); |
| } |
| } |
| |
| /** |
| * Set the dir in which to search for AntLibraries. |
| * |
| * @param dir the dir from which all Ant Libraries found will be loaded. |
| * @exception ExecutionException if the dir attribute cannot be set |
| */ |
| public void setDir(File dir) throws ExecutionException { |
| checkNullURL(); |
| try { |
| this.url = InitUtils.getFileURL(dir); |
| } catch (MalformedURLException e) { |
| throw new ExecutionException(e); |
| } |
| } |
| |
| /** |
| * Validate this task is configured correctly |
| * |
| * @exception ExecutionException if the task is not configured correctly |
| */ |
| public void validateComponent() throws ExecutionException { |
| if (libraryId == null) { |
| throw new ExecutionException("You must specify the id of the" |
| + "library for which you are providing additional classpaths"); |
| } |
| if (url == null) { |
| throw new ExecutionException("You must provide an additional " |
| + "classpath using one of the file, dir or url attributes"); |
| } |
| } |
| |
| /** |
| * Add the libpath to the set of paths associated with the library |
| * |
| * @exception ExecutionException if the library path cannot be addded to |
| * the library |
| */ |
| public void execute() throws ExecutionException { |
| AntContext context = getAntContext(); |
| ComponentService componentService = (ComponentService) |
| context.getCoreService(ComponentService.class); |
| componentService.addLibPath(libraryId, url); |
| } |
| |
| /** |
| * Check if any of the location specifying attributes have already been |
| * set. |
| * |
| * @exception ExecutionException if the search URL has already been set |
| */ |
| private void checkNullURL() throws ExecutionException { |
| if (url != null) { |
| throw new ExecutionException("Location of library has already been " |
| + "set. Please use only one of file, dir or url attributes"); |
| } |
| } |
| } |
| |