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/*
* Copyright 2003-2004 Apache Software Foundation
*
* Licensed 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;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DirectoryScanner;
/**
* Alters the default excludes for the <strong>entire</strong> build..
*
* @author Gus Heck <gus.heck@olin.edu>
*
* @since Ant 1.6
*
* @ant.task category="utility"
*/
public class DefaultExcludes extends Task {
private String add = "";
private String remove = "";
private boolean defaultrequested = false;
private boolean echo = false;
// by default, messages are always displayed
private int logLevel = Project.MSG_WARN;
/**
* Does the work.
*
* @exception BuildException if something goes wrong with the build
*/
public void execute() throws BuildException {
if (!defaultrequested && add.equals("") && remove.equals("") && !echo) {
throw new BuildException("<defaultexcludes> task must set "
+ "at least one attribute (echo=\"false\""
+ " doesn't count since that is the default");
}
if (defaultrequested) {
DirectoryScanner.resetDefaultExcludes();
}
if (!add.equals("")) {
DirectoryScanner.addDefaultExclude(add);
}
if (!remove.equals("")) {
DirectoryScanner.removeDefaultExclude(remove);
}
if (echo) {
StringBuffer message
= new StringBuffer("Current Default Excludes:\n");
String[] excludes = DirectoryScanner.getDefaultExcludes();
for (int i = 0; i < excludes.length; i++) {
message.append(" " + excludes[i] + "\n");
}
log(message.toString(), logLevel);
}
}
/**
* go back to standard default patterns
*
* @param def if true go back to default patterns
*/
public void setDefault(boolean def) {
defaultrequested = def;
}
/**
* Pattern to add to the default excludes
*
* @param add Sets the value for the pattern to exclude.
*/
public void setAdd(String add) {
this.add = add;
}
/**
* Pattern to remove from the default excludes.
*
* @param remove Sets the value for the pattern that
* should no longer be excluded.
*/
public void setRemove(String remove) {
this.remove = remove;
}
/**
* If true, echo the default excludes.
*
* @param echo whether or not to echo the contents of
* the default excludes.
*/
public void setEcho(boolean echo) {
this.echo = echo;
}
}
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