| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 1999 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.tools.ant.taskdefs; |
| |
| import java.util.Enumeration; |
| import java.util.Properties; |
| import java.io.File; |
| import java.io.FileInputStream; |
| |
| import org.apache.tools.ant.*; |
| |
| /** |
| * This task sets a token filter that is used by the file copy methods |
| * of the project to do token substitution, or sets mutiple tokens by |
| * reading these from a file. |
| * |
| * @author Stefano Mazzocchi <a href="mailto:stefano@apache.org">stefano@apache.org</a> |
| * @author Gero Vermaas <a href="mailto:gero@xs4all.nl">gero@xs4all.nl</a> |
| */ |
| public class Filter extends Task { |
| |
| private String token; |
| private String value; |
| private File filtersFile; |
| |
| public void setToken(String token) { |
| this.token = token; |
| } |
| |
| public void setValue(String value) { |
| this.value = value; |
| } |
| |
| public void setFiltersfile(File filtersFile) { |
| this.filtersFile = filtersFile; |
| } |
| |
| public void execute() throws BuildException { |
| boolean isFiltersFromFile = filtersFile != null && token == null && value == null; |
| boolean isSingleFilter = filtersFile == null && token != null && value != null; |
| |
| if (!isFiltersFromFile && !isSingleFilter) { |
| throw new BuildException("both token and value parameters, or only a filtersFile parameter is required", location); |
| } |
| |
| if (isSingleFilter) { |
| project.addFilter(token, value); |
| } |
| |
| if (isFiltersFromFile) { |
| readFilters(); |
| } |
| } |
| |
| protected void readFilters() throws BuildException { |
| log("Reading filters from " + filtersFile, Project.MSG_VERBOSE); |
| FileInputStream in = null; |
| try { |
| Properties props = new Properties(); |
| in = new FileInputStream(filtersFile); |
| props.load(in); |
| |
| Project proj = getProject(); |
| |
| Enumeration enum = props.propertyNames(); |
| while (enum.hasMoreElements()) { |
| String strPropName = (String)enum.nextElement(); |
| String strValue = props.getProperty(strPropName); |
| proj.addFilter(strPropName, strValue); |
| } |
| } catch (Exception e) { |
| throw new BuildException("Could not read filters from file: " + filtersFile); |
| } finally { |
| if (in != null) { |
| try { |
| in.close(); |
| } catch (java.io.IOException ioex) {} |
| } |
| } |
| } |
| } |