| /* |
| * 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.tools.ant.types.selectors; |
| |
| import java.io.File; |
| import java.io.BufferedReader; |
| import java.io.InputStreamReader; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| |
| import org.apache.tools.ant.Project; |
| import org.apache.tools.ant.types.Parameter; |
| import org.apache.tools.ant.BuildException; |
| |
| /** |
| * Selector that filters files based on whether they contain a |
| * particular string. |
| * |
| * @author <a href="mailto:bruce@callenish.com">Bruce Atherton</a> |
| * @since 1.5 |
| */ |
| public class ContainsSelector extends BaseExtendSelector { |
| |
| private String contains = null; |
| private boolean casesensitive = true; |
| public final static String CONTAINS_KEY = "text"; |
| public final static String CASE_KEY = "casesensitive"; |
| |
| |
| public ContainsSelector() { |
| } |
| |
| public String toString() { |
| StringBuffer buf = new StringBuffer("{containsselector text: "); |
| buf.append(contains); |
| buf.append(" casesensitive: "); |
| if (casesensitive) { |
| buf.append("true"); |
| } else { |
| buf.append("false"); |
| } |
| buf.append("}"); |
| return buf.toString(); |
| } |
| |
| /** |
| * The string to search for within a file. |
| * |
| * @param contains the string that a file must contain to be selected. |
| */ |
| public void setText(String contains) { |
| this.contains = contains; |
| } |
| |
| /** |
| * Whether to ignore case in the string being searched. |
| * |
| * @param casesensitive whether to pay attention to case sensitivity |
| */ |
| public void setCasesensitive(boolean casesensitive) { |
| this.casesensitive = casesensitive; |
| } |
| |
| /** |
| * When using this as a custom selector, this method will be called. |
| * It translates each parameter into the appropriate setXXX() call. |
| * |
| * @param parameters the complete set of parameters for this selector |
| */ |
| public void setParameters(Parameter[] parameters) { |
| super.setParameters(parameters); |
| if (parameters != null) { |
| for (int i = 0; i < parameters.length; i++) { |
| String paramname = parameters[i].getName(); |
| if (CONTAINS_KEY.equalsIgnoreCase(paramname)) { |
| setText(parameters[i].getValue()); |
| } |
| else if (CASE_KEY.equalsIgnoreCase(paramname)) { |
| setCasesensitive(Project.toBoolean( |
| parameters[i].getValue())); |
| } |
| else { |
| setError("Invalid parameter " + paramname); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Checks to make sure all settings are kosher. In this case, it |
| * means that the pattern attribute has been set. |
| * |
| */ |
| public void verifySettings() { |
| if (contains == null) { |
| setError("The text attribute is required"); |
| } |
| } |
| |
| /** |
| * The heart of the matter. This is where the selector gets to decide |
| * on the inclusion of a file in a particular fileset. |
| * |
| * @param basedir the base directory the scan is being done from |
| * @param filename is the name of the file to check |
| * @param file is a java.io.File object the selector can use |
| * @return whether the file should be selected or not |
| */ |
| public boolean isSelected(File basedir, String filename, File file) { |
| |
| // throw BuildException on error |
| validate(); |
| |
| if (file.isDirectory()) { |
| return true; |
| } |
| |
| String userstr = contains; |
| if (!casesensitive) { |
| userstr = contains.toLowerCase(); |
| } |
| BufferedReader in = null; |
| try { |
| in = new BufferedReader(new InputStreamReader( |
| new FileInputStream(file))); |
| String teststr = in.readLine(); |
| while (teststr != null) { |
| if (!casesensitive) { |
| teststr = teststr.toLowerCase(); |
| } |
| if (teststr.indexOf(userstr) > -1) { |
| return true; |
| } |
| teststr = in.readLine(); |
| } |
| return false; |
| } |
| catch (IOException ioe) { |
| throw new BuildException("Could not read file " + filename); |
| } |
| finally { |
| try { |
| in.close(); |
| } |
| catch (Exception e) { |
| throw new BuildException("Could not close file " + filename); |
| } |
| } |
| } |
| |
| } |
| |